RNR


Line plots across dimensions of each concept
Line plots across concepts
Tables

Table of contents



us-gaap:CommonStockValue
us-gaap:ConsolidatedEntities
us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType
us-gaap:PreferredStockParOrStatedValuePerShare
us-gaap:StatementEquityComponents
us-gaap:CommonStockSharesIssued
us-gaap:StatementEquityComponents
us-gaap:CommonStockSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:BenefitsLossesAndExpenses
dei:LegalEntity, us-gaap:ConsolidationItems
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems

us-gaap:ComprehensiveIncomeNetOfTax
dei:LegalEntity, us-gaap:ConsolidationItems
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
dei:LegalEntity, us-gaap:ConsolidationItems
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems

us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:GainLossOnInvestments
dei:LegalEntity, us-gaap:ConsolidationItems
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems

us-gaap:GeneralAndAdministrativeExpense
dei:LegalEntity, us-gaap:ConsolidationItems
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
dei:LegalEntity, us-gaap:ConsolidationItems
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
dei:LegalEntity, us-gaap:ConsolidationItems
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems

us-gaap:IncomeTaxExpenseBenefit
dei:LegalEntity, us-gaap:ConsolidationItems
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems

us-gaap:InterestExpense
dei:LegalEntity, us-gaap:ConsolidationItems
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems

us-gaap:NetIncomeLoss
dei:LegalEntity, us-gaap:ConsolidationItems
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic
dei:LegalEntity, us-gaap:ConsolidationItems
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems

us-gaap:NetInvestmentIncome
dei:LegalEntity, us-gaap:ConsolidationItems
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems

us-gaap:OperatingCostsAndExpenses
dei:LegalEntity, us-gaap:ConsolidationItems
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation
us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:PolicyholderBenefitsAndClaimsIncurredNet
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:PremiumsEarnedNet
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:ProfitLoss
dei:LegalEntity, us-gaap:ConsolidationItems
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems

us-gaap:Revenues
dei:LegalEntity, us-gaap:ConsolidationItems
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems

us-gaap:Assets
dei:LegalEntity, us-gaap:ConsolidatedEntities
dei:LegalEntity, us-gaap:ConsolidationItems
dei:LegalEntity, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems

us-gaap:Liabilities
dei:LegalEntity, us-gaap:ConsolidatedEntities
dei:LegalEntity, us-gaap:ConsolidationItems
dei:LegalEntity, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems

us-gaap:LiabilitiesAndStockholdersEquity
dei:LegalEntity, us-gaap:ConsolidationItems
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems

us-gaap:StockholdersEquity
dei:LegalEntity, us-gaap:ConsolidationItems
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems
us-gaap:StatementEquityComponents

us-gaap:CashAndCashEquivalentsAtCarryingValue
dei:LegalEntity, us-gaap:ConsolidationItems
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
dei:LegalEntity, us-gaap:ConsolidationItems
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidatedEntities
us-gaap:ShortTermInvestments
dei:LegalEntity, us-gaap:ConsolidationItems
us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems
us-gaap:BalanceSheetLocation
us-gaap:Goodwill
us-gaap:BalanceSheetLocation, us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass
us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass
us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

us-gaap:IntangibleAssetsNetExcludingGoodwill
us-gaap:BalanceSheetLocation
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass
us-gaap:BalanceSheetLocation, us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:IntangibleAssetsNetIncludingGoodwill
us-gaap:BalanceSheetLocation
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:EquitySecuritiesFvNi
us-gaap:EquitySecuritiesByIndustry
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency

us-gaap:OtherAssets
dei:LegalEntity, us-gaap:ConsolidationItems
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems

us-gaap:LongTermDebt
dei:LegalEntity, us-gaap:ConsolidationItems
dei:LegalEntity, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:StockholdersEquity
dei:LegalEntity, us-gaap:ConsolidationItems
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue
us-gaap:ConsolidatedEntities

us-gaap:AdditionalPaidInCapital
us-gaap:ConsolidatedEntities

us-gaap:RetainedEarningsAccumulatedDeficit
us-gaap:ConsolidatedEntities

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
us-gaap:ConsolidatedEntities
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodValueNewIssues

us-gaap:NetCashProvidedByUsedInOperatingActivities
dei:LegalEntity, us-gaap:ConsolidationItems
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:NetCashProvidedByUsedInInvestingActivities
dei:LegalEntity, us-gaap:ConsolidationItems
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:NetCashProvidedByUsedInFinancingActivities
dei:LegalEntity, us-gaap:ConsolidationItems
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
dei:LegalEntity, us-gaap:ConsolidationItems
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:NetCashProvidedByUsedInOperatingActivities
dei:LegalEntity, us-gaap:ConsolidationItems
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:NetIncomeLoss
dei:LegalEntity, us-gaap:ConsolidationItems
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems

us-gaap:ProfitLoss
dei:LegalEntity, us-gaap:ConsolidationItems
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems

us-gaap:NetCashProvidedByUsedInInvestingActivities
dei:LegalEntity, us-gaap:ConsolidationItems
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:NetCashProvidedByUsedInFinancingActivities
dei:LegalEntity, us-gaap:ConsolidationItems
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:PaymentsOfDividendsCommonStock
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:PaymentsForRepurchaseOfCommonStock
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:DeferredTaxAssetsValuationAllowance
dei:LegalEntity, us-gaap:CounterpartyName, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities
rnr:CededNetClaimsAndClaimExpenses
us-gaap:InformationByCategoryOfDebtSecurity
rnr:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsInvestmentPortfolioGainLoss
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation
rnr:DerivativeWeightedAverageU.S.DollarEquivalentOfForeignDenominatedNetAssets
us-gaap:InformationByCategoryOfDebtSecurity
rnr:EquitySecuritiesFVNIGainLossTotal
us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
rnr:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisForeignExchangeGainsLosses
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

rnr:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseAmountsDisposed

rnr:NetClaimsAndClaimExpenseRatioPriorYears
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

rnr:NetClaimsAndClaimsExpenseRatioCurrentYear
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

rnr:PaymentsForProceedsFromOtherInvestments
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

rnr:PaymentsForProceedsFromOtherShortTermInvestments
dei:LegalEntity, us-gaap:ConsolidationItems
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

rnr:PaymentsForProceedsFromRepurchaseSaleOfRedeemableNoncontrollingInterest
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

rnr:UnderwritingIncomeLossNet
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:AssumedPremiumsEarned

us-gaap:AssumedPremiumsWritten

us-gaap:CededPremiumsEarned
dei:LegalEntity, us-gaap:ConsolidatedEntities, us-gaap:CounterpartyName
dei:LegalEntity, us-gaap:CounterpartyName, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities

us-gaap:CededPremiumsWritten
dei:LegalEntity, us-gaap:ConsolidatedEntities, us-gaap:CounterpartyName
dei:LegalEntity, us-gaap:CounterpartyName, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities

us-gaap:CombinedRatio
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:CededCreditRiskCollateralization, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType
us-gaap:ConcentrationRiskPercentage1
us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType
us-gaap:CreditRatingStandardPoors, us-gaap:CededCreditRiskCollateralization, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType
us-gaap:InformationByCategoryOfDebtSecurity, us-gaap:InvestmentType
us-gaap:DebtSecuritiesGainLoss
us-gaap:InformationByCategoryOfDebtSecurity
us-gaap:DebtSecuritiesTradingGainLoss
us-gaap:InformationByCategoryOfDebtSecurity
us-gaap:DebtSecuritiesTradingRealizedGainLoss
us-gaap:InformationByCategoryOfDebtSecurity
us-gaap:DebtSecuritiesTradingUnrealizedGainLoss

us-gaap:DepreciationAmortizationAndAccretionNet

us-gaap:DerivativeGainLossOnDerivativeNet
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation
us-gaap:HedgingDesignation

us-gaap:DirectPremiumsEarned

us-gaap:DirectPremiumsWritten

us-gaap:DividendsCommonStock
us-gaap:StatementEquityComponents

us-gaap:DividendsPreferredStock
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems
us-gaap:StatementEquityComponents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:InformationByCategoryOfDebtSecurity
us-gaap:EquitySecuritiesFvNiRealizedGainLoss
us-gaap:InformationByCategoryOfDebtSecurity
us-gaap:EquitySecuritiesFvNiUnrealizedGainLoss
us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:IncomeStatementLocation
us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarnings
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:IncomeStatementLocation
us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems

us-gaap:GainLossOnSaleOfBusiness

us-gaap:GrossInvestmentIncomeOperating
us-gaap:InvestmentType

us-gaap:IncomeLossFromEquityMethodInvestments
dei:LegalEntity, us-gaap:ConsolidationItems
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems

us-gaap:IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions
dei:LegalEntity, us-gaap:ConsolidationItems
us-gaap:IncomeLossFromSubsidiariesNetOfTax
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems

us-gaap:IncreaseDecreaseInDeferredPolicyAcquisitionCosts
dei:LegalEntity, us-gaap:ConsolidationItems
us-gaap:IncreaseDecreaseInDueToRelatedParties
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve

us-gaap:IncreaseDecreaseInPremiumsReceivable

us-gaap:IncreaseDecreaseInPrepaidReinsurancePremiums

us-gaap:IncreaseDecreaseInReinsurancePayables

us-gaap:IncreaseDecreaseInReinsuranceRecoverable

us-gaap:IncreaseDecreaseInUnearnedPremiums

us-gaap:IncreaseDecreaseInUnearnedPremiumsNet

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:InvestmentIncomeInvestmentExpense

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseForeignCurrencyTranslationGainLoss

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:LossRatio
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
dei:LegalEntity
us-gaap:MinorityInterestDecreaseFromRedemptions
us-gaap:CounterpartyName
us-gaap:CounterpartyName, us-gaap:SubsequentEventType
us-gaap:StatementEquityComponents
us-gaap:MinorityInterestPeriodIncreaseDecrease

us-gaap:NetIncomeLossAttributableToRedeemableNoncontrollingInterest
dei:LegalEntity
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems
us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterestInNetIncomeLossOtherNoncontrollingInterestsRedeemable
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:CounterpartyName, us-gaap:SubsequentEventType
us-gaap:NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest
dei:LegalEntity
us-gaap:NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance
dei:LegalEntity, us-gaap:CounterpartyName
dei:LegalEntity, us-gaap:CounterpartyName, us-gaap:SubsequentEventType
dei:LegalEntity, us-gaap:SubsequentEventType
us-gaap:CounterpartyName

us-gaap:NonoperatingGainsLosses
us-gaap:ConsolidationItems

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
dei:LegalEntity, us-gaap:ConsolidationItems
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems
us-gaap:StatementEquityComponents

us-gaap:OtherOperatingIncomeExpenseNet
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems

us-gaap:PaymentsForLossesAndLossAdjustmentExpense

us-gaap:PaymentsForRepurchaseOfPreferredStockAndPreferenceStock
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
dei:LegalEntity, us-gaap:ConsolidatedEntities, us-gaap:CounterpartyName
us-gaap:PaymentsOfCapitalDistribution
dei:LegalEntity, us-gaap:ConsolidatedEntities, us-gaap:CounterpartyName, us-gaap:SubsequentEventType
dei:LegalEntity, us-gaap:CounterpartyName, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities

us-gaap:PaymentsOfDividendsPreferredStockAndPreferenceStock
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
dei:LegalEntity, us-gaap:ConsolidationItems
us-gaap:PaymentsToAcquireBusinessesAndInterestInAffiliates
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:PaymentsToAcquireEquityMethodInvestments
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
dei:LegalEntity, us-gaap:ConsolidatedEntities, us-gaap:CounterpartyName, us-gaap:StatementClassOfStock
us-gaap:PaymentsToAcquireInterestInSubsidiariesAndAffiliates
dei:LegalEntity, us-gaap:ConsolidatedEntities, us-gaap:CounterpartyName, us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType
dei:LegalEntity, us-gaap:CounterpartyName, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities, us-gaap:StatementClassOfStock

us-gaap:PaymentsToAcquireTradingSecuritiesHeldforinvestment
dei:LegalEntity, us-gaap:ConsolidationItems
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:PolicyholderBenefitsAndClaimsIncurredGross

us-gaap:PremiumReceivableCreditLossExpenseReversal

us-gaap:PremiumsWrittenGross
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:PremiumsWrittenNet
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
dei:LegalEntity, us-gaap:ConsolidationItems
us-gaap:ProceedsFromContributionsFromAffiliates
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates

us-gaap:ProceedsFromDivestitureOfInterestInConsolidatedSubsidiaries
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:ProceedsFromIssuanceOfCommonStock
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType
us-gaap:ProceedsFromIssuanceOrSaleOfEquity

us-gaap:ProceedsFromPaymentsForTradingSecurities
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:ProceedsFromSaleAndMaturityOfTradingSecuritiesHeldforinvestment
dei:LegalEntity, us-gaap:ConsolidationItems
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:ReinsuranceCostsAndRecoveriesNet

us-gaap:ReinsuranceRecoverableCreditLossExpenseReversal
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation
us-gaap:StatementClassOfStock
us-gaap:StockRepurchasedDuringPeriodShares
us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType
us-gaap:StatementClassOfStock
us-gaap:StockRepurchasedDuringPeriodValue
us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType
us-gaap:StatementEquityComponents

us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense
us-gaap:StatementClassOfStock
us-gaap:TreasuryStockAcquiredAverageCostPerShare
us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType

us-gaap:UnderwritingExpenseRatio
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:UndistributedEarnings

us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic
us-gaap:FinancialInstrument, us-gaap:IncomeStatementLocation
us-gaap:UnrealizedGainLossOnInvestments
dei:LegalEntity, us-gaap:ConsolidatedEntities, us-gaap:CounterpartyName
us-gaap:VariableInterestEntityOwnershipPercentage
dei:LegalEntity, us-gaap:ConsolidatedEntities, us-gaap:CounterpartyName, us-gaap:SubsequentEventType
dei:LegalEntity, us-gaap:CounterpartyName, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities
us-gaap:BalanceSheetLocation, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
rnr:AssumedAndCededReInsuranceContractsLiabilitiesFairValue
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency
us-gaap:InvestmentType
rnr:DebtSecuritiesWeightedAverageYieldToMaturity

rnr:DeferredTaxAssetLiabilityBeforeValuationAllowanceNet

rnr:DeferredTaxLiabilitiesDeferredExpenseDeferredAcquisitionCosts

rnr:DeferredTaxLiabilitiesDepreciationAndAmortization

rnr:DeferredTaxLiabilitiesEquityMethodInvestmentsAvailableForSaleInvestmentsandDerivatives

rnr:DeferredTaxLiabilitiesValueOfBusinessAcquired
rnr:FiniteAndIndefiniteLivedIntangibleAssets
rnr:ExpectedAmortizationofOtherIntangibleAssets
rnr:FiniteAndIndefiniteLivedIntangibleAssets, us-gaap:BalanceSheetLocation
rnr:FiniteAndIndefiniteLivedIntangibleAssets, us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

rnr:IntangibleAssetsExcludingGoodwillAccumulatedImpairmentLoss
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

rnr:LiabilityforUnpaidClaimsandClaimsAdjustmentExpenseAdditionalCaseReservesAmount
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

rnr:PrivateEquityInvestmentsandOtherEntitiesCommitmentsFulfilled

rnr:PrivateEquityInvestmentsandOtherEntitiesInitialCommitments

rnr:PrivateEquityInvestmentsandOtherEntitiesUnfundedCommitments

rnr:ShortdurationInsuranceContractsLiabilityforUnpaidClaimsandClaimAdjustmentExpenseUnamortizedFairValueAdjustmentsAssociatedWithAcquisition
us-gaap:StatementBusinessSegments

rnr:TradingSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCostBasis

rnr:TradingSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue

rnr:TradingSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCostBasis

rnr:TradingSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue

rnr:TradingSecuritiesDebtMaturitiesAfterTenYearsAmortizedCostBasis

rnr:TradingSecuritiesDebtMaturitiesAfterTenYearsFairValue

rnr:TradingSecuritiesDebtMaturitiesWithinOneYearAmortizedCostBasis

rnr:TradingSecuritiesDebtMaturitiesWithinOneYearFairValue
dei:LegalEntity, us-gaap:BalanceSheetLocation, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities
rnr:VariableInterestEntityInvestmentInParticipatingNotes
dei:LegalEntity, us-gaap:ConsolidatedEntities, us-gaap:BalanceSheetLocation

srt:PayablesToBrokerDealersAndClearingOrganizations
dei:LegalEntity, us-gaap:ConsolidationItems
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:AccountsReceivableRelatedParties

us-gaap:AccruedInvestmentIncomeReceivable
dei:LegalEntity, us-gaap:ConsolidationItems
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:AlternativeInvestment
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:InvestmentType
us-gaap:InvestmentType
us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:MeasurementInputType, us-gaap:ValuationTechnique
us-gaap:AlternativeInvestmentMeasurementInput
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementFrequency, us-gaap:MeasurementInputType, us-gaap:ValuationTechnique
us-gaap:Range, us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:MeasurementInputType, us-gaap:ValuationTechnique
us-gaap:Range, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementFrequency, us-gaap:MeasurementInputType, us-gaap:ValuationTechnique

us-gaap:AssetsHeldByInsuranceRegulators

us-gaap:AssetsHeldInTrust
dei:LegalEntity, rnr:ReinsuranceTrustFund, us-gaap:Range, us-gaap:StatutoryAccountingPracticesByJurisdiction
dei:LegalEntity, rnr:ReinsuranceTrustFund, us-gaap:StatutoryAccountingPracticesByJurisdiction
dei:LegalEntity, us-gaap:ConsolidatedEntities
us-gaap:AssetsNet
dei:LegalEntity, us-gaap:ConsolidatedEntities, us-gaap:CounterpartyName
dei:LegalEntity, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill

us-gaap:DebtInstrumentCarryingAmount
dei:LegalEntity, us-gaap:ConsolidatedEntities
us-gaap:DebtInstrumentFaceAmount

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredPolicyAcquisitionCosts
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:DeferredTaxAssetsDeferredIncome

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOtherTaxCarryforwards

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsUnearnedPremiumsReserve

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets
us-gaap:BusinessAcquisition, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanBenefitObligation
us-gaap:BusinessAcquisition, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanFairValueOfPlanAssets
us-gaap:BusinessAcquisition, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanFundedStatusOfPlan
us-gaap:BalanceSheetLocation
us-gaap:DepositContractsLiabilities

us-gaap:DerivativeAssetCollateralObligationToReturnCashOffset
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:BalanceSheetLocation, us-gaap:HedgingDesignation
us-gaap:HedgingDesignation

us-gaap:DerivativeAssets
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:BalanceSheetLocation, us-gaap:HedgingDesignation
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency
us-gaap:HedgingDesignation

us-gaap:DerivativeCollateralRightToReclaimCash
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:BalanceSheetLocation, us-gaap:HedgingDesignation
us-gaap:HedgingDesignation

us-gaap:DerivativeFairValueOfDerivativeAsset
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:BalanceSheetLocation, us-gaap:HedgingDesignation
us-gaap:HedgingDesignation

us-gaap:DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:BalanceSheetLocation, us-gaap:HedgingDesignation
us-gaap:HedgingDesignation

us-gaap:DerivativeFairValueOfDerivativeLiability
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:BalanceSheetLocation, us-gaap:HedgingDesignation
us-gaap:HedgingDesignation

us-gaap:DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:BalanceSheetLocation, us-gaap:HedgingDesignation
us-gaap:HedgingDesignation

us-gaap:DerivativeLiabilities
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:BalanceSheetLocation, us-gaap:HedgingDesignation
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency
us-gaap:HedgingDesignation

us-gaap:DerivativeLiabilityCollateralRightToReclaimCashOffset
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:BalanceSheetLocation, us-gaap:HedgingDesignation
us-gaap:HedgingDesignation
rnr:FixedRate, us-gaap:Currency, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeNotionalAmount
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:Position
us-gaap:ConsolidatedEntities
us-gaap:DueFromAffiliates
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:EquityMethodInvestmentOwnershipPercentage

us-gaap:EquityMethodInvestments
dei:LegalEntity, us-gaap:ConsolidatedEntities
dei:LegalEntity, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:InvestmentType
us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueNetAssetLiability
us-gaap:FairValueByMeasurementFrequency
us-gaap:BalanceSheetLocation
us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo
us-gaap:BalanceSheetLocation
us-gaap:FinanceLeaseRightOfUseAsset

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:BalanceSheetLocation, us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:BalanceSheetLocation, us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:BalanceSheetLocation, us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:BalanceSheetLocation, us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:BalanceSheetLocation, us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:BalanceSheetLocation, us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:BalanceSheetLocation
us-gaap:GoodwillGross

us-gaap:IntangibleAssetsGrossExcludingGoodwill
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

us-gaap:Investments
dei:LegalEntity, us-gaap:ConsolidationItems
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
us-gaap:ShortTermDebtType
us-gaap:LettersOfCreditOutstandingAmount

us-gaap:LiabilityForClaimsAndClaimsAdjustmentExpense
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsAmount
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet
us-gaap:ConsolidationItems
us-gaap:StatementBusinessSegments

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseReportedClaimsAmount
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:LineOfCredit
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LineOfCreditFacility
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:CreditFacility, us-gaap:LineOfCreditFacility
us-gaap:CreditFacility, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType
dei:LegalEntity, us-gaap:DebtInstrument, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType
us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity

us-gaap:LongTermDebtFairValue
dei:LegalEntity, us-gaap:DebtInstrument, us-gaap:FairValueByMeasurementBasis, us-gaap:LongtermDebtType
dei:LegalEntity, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:FairValueByMeasurementBasis

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
us-gaap:DebtInstrument
us-gaap:MinimumNetWorthRequiredForCompliance
us-gaap:Ownership
us-gaap:MinorityInterestOwnershipPercentageByParent
us-gaap:Ownership, us-gaap:SubsequentEventType
us-gaap:ConsolidatedEntities
us-gaap:NotesAndLoansPayable
us-gaap:IncomeTaxAuthority
us-gaap:OperatingLossCarryforwards

us-gaap:OtherAssetsFairValueDisclosure
us-gaap:BalanceSheetLocation, us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:ValuationTechnique
us-gaap:FairValueByAssetClass, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency

us-gaap:OtherLiabilities
dei:LegalEntity, us-gaap:ConsolidationItems
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems

us-gaap:OtherLiabilitiesFairValueDisclosure
us-gaap:BalanceSheetLocation, us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByAssetClass, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementFrequency, us-gaap:ValuationTechnique
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency

us-gaap:OtherLongTermInvestments
us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:ValuationTechnique
us-gaap:FairValueByAssetClass, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency
us-gaap:InvestmentType

us-gaap:OtherShortTermInvestments
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency
us-gaap:StatementScenario, us-gaap:StatementClassOfStock
us-gaap:PreferredStockRedemptionAmount

us-gaap:PreferredStockValue
us-gaap:ConsolidatedEntities

us-gaap:PremiumsReceivableAllowanceForDoubtfulAccounts

us-gaap:PremiumsReceivableAtCarryingValue
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:PrepaidReinsurancePremiums
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:ReceivablesFromBrokersDealersAndClearingOrganizations
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:RedeemableNoncontrollingInterestEquityCarryingAmount
dei:LegalEntity
dei:LegalEntity, us-gaap:ConsolidatedEntities
dei:LegalEntity, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:ReinsurancePayable
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

us-gaap:ReinsuranceRecoverables

us-gaap:ReinsuranceRecoverablesAllowance

us-gaap:ReinsuranceRecoverablesOnPaidAndUnpaidLosses
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems
us-gaap:StatementBusinessSegments
dei:LegalEntity, us-gaap:ConsolidationItems
us-gaap:RelatedPartyTransactionDueFromToRelatedParty
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidationItems

us-gaap:RetainedEarningsUndistributedEarningsFromEquityMethodInvestees

us-gaap:SecuritiesForReverseRepurchaseAgreements
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant

us-gaap:ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet
us-gaap:ShortdurationInsuranceContractsAccidentYear
us-gaap:ShortdurationInsuranceContractsAccidentYear, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearEight
us-gaap:StatementBusinessSegments
us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearFive
us-gaap:StatementBusinessSegments
us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearFour
us-gaap:StatementBusinessSegments
us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearNine
us-gaap:StatementBusinessSegments
us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearOne
us-gaap:StatementBusinessSegments
us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearSeven
us-gaap:StatementBusinessSegments
us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearSix
us-gaap:StatementBusinessSegments
us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearTen
us-gaap:StatementBusinessSegments
us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearThree
us-gaap:StatementBusinessSegments
us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearTwo

us-gaap:ShortdurationInsuranceContractsIncurredButNotReportedIbnrClaimsLiabilityNet
us-gaap:ShortdurationInsuranceContractsAccidentYear
us-gaap:ShortdurationInsuranceContractsAccidentYear, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments

us-gaap:ShortdurationInsuranceContractsIncurredClaimsAndAllocatedClaimAdjustmentExpenseNet
us-gaap:ShortdurationInsuranceContractsAccidentYear
us-gaap:ShortdurationInsuranceContractsAccidentYear, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments

us-gaap:ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNet
us-gaap:StatementBusinessSegments

us-gaap:ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNetNotSeparatelyPresented
us-gaap:StatementBusinessSegments

us-gaap:ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndClaimAdjustmentExpenseOtherReconcilingItem

us-gaap:ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseAccumulatedUnallocatedClaimAdjustmentExpense
us-gaap:StatementBusinessSegments
us-gaap:StatutoryAccountingPracticesByJurisdiction
us-gaap:StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPaymentsWithoutRegulatoryApproval
us-gaap:StatutoryAccountingPracticesByJurisdiction
us-gaap:StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance
us-gaap:StatutoryAccountingPracticesByJurisdiction
us-gaap:StatutoryAccountingPracticesStatutoryCapitalAndSurplusRequired
us-gaap:StatementClassOfStock
us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1

us-gaap:SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesCarryingAmount
us-gaap:InvestmentType
us-gaap:InvestmentType
us-gaap:SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesCost

us-gaap:SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesFairValue
us-gaap:InvestmentType
us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersByAffiliationWithRegistrant
us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersDeferredPolicyAcquisitionCosts
us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersByAffiliationWithRegistrant
us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersReservesForUnpaidClaimsAndClaimsAdjustmentExpense
us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersByAffiliationWithRegistrant
us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersUnearnedPremiums

us-gaap:SupplementaryInsuranceInformationDeferredPolicyAcquisitionCosts
us-gaap:StatementBusinessSegments

us-gaap:SupplementaryInsuranceInformationLiabilityForFuturePolicyBenefitsLossesClaimsAndLossExpenseReserves
us-gaap:StatementBusinessSegments

us-gaap:SupplementaryInsuranceInformationUnearnedPremiums
us-gaap:StatementBusinessSegments

us-gaap:TradingSecuritiesDebt
us-gaap:ConsolidatedEntities
us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByAssetClass, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency
us-gaap:FinancialInstrument

us-gaap:TradingSecuritiesDebtAmortizedCost
us-gaap:ConsolidatedEntities
us-gaap:FinancialInstrument

us-gaap:UnearnedPremiums
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ValuationAllowancesAndReservesType
us-gaap:ValuationAllowancesAndReservesBalance

Plots across concepts


IncomeStatement
Comprehensive Income Net Of Tax
Expenses
General And Administrative Expense
Balance Sheet
Operating Lease Right Of Use Asset
Assets
Derivative Assets
Current Assets
Cash And Cash Equivalents At Carrying Value
NonCurrent Assets
Operating Lease Right Of Use Asset
Liabilities
Derivative Liabilities
Noncurrent Liabilities
Long Term Debt
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
CashFlow
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInOperatingActivities
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
Shares
Weighted Average Number Of Shares Outstanding Basic
DividendsAndRepurchase
Dividends Common Stock
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Due Year Four

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:CommonStockValue ▅▆▇▇▇▃▄▄▄▄▃▂▂▂▂▂▂▂▂▂▂▃▃▄▄▄▁▁▂▂▃▄▄▄▄▅▆▇▇▇▇▇█48.02649.9750.81150.8150.81144.03444.14844.15244.16244.15942.20740.26640.26340.24640.02440.02940.28240.78541.18741.15641.49643.09543.70144.12146.01346.02638.44238.88840.52340.85643.64644.39144.38544.5145.54248.22850.60951.76551.54351.78751.75351.74254.11NANANA
 us-gaap:PreferredStockParOrStatedValuePerShare us-gaap:StatementClassOfStock,us-gaap:SubsequentEventType us-gaap:SeriesGPreferredStock,us-gaap:SubsequentEventNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CommonStockSharesIssued us-gaap:StatementEquityComponents us-gaap:CommonStockNANA50.811NANANA44.148NANANA42.207NANANA40.024NANANA41.187NANANA43.701NANANA38.442NANANA43.646NANANA45.542NANANA51.543NANANANANANANA
 us-gaap:CommonStockSharesOutstanding us-gaap:StatementEquityComponents us-gaap:CommonStockNANA50.811NANANA44.148NANANA42.207NANANA40.024NANANA41.187NANANA43.701NANANA38.442NANANA43.646NANANA45.542NANANA51.543NANANA54.11NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ▇▇▇▇▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▇▇▇▇▇▁▁▇▇▁▁█48.22649.57950.11150.09445.00343.44143.55243.53743.52142.09140.11139.63739.65439.59939.47839.59140.02440.62340.70740.73341.88542.91243.51344.91345.65740.02138.14539.43340.39541.90343.76944.13544.24344.2947.29749.11951.01250.98150.860.0509730.0510551.50453.6670.0539650.05604458.887
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic ▇▇▇▇▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▇▇▇▇▇▁▁▇▇▁▁█48.16349.57950.02250.00944.93943.44143.46743.46243.48342.06540.11139.62439.64139.55239.47839.59139.93740.40840.47440.51341.69342.57743.13144.56445.30339.63137.75238.97539.73641.23843.1643.3343.37243.46146.44248.39450.27850.37750.5010.0505010.05049351.50453.1660.0534670.05553858.407
us-gaap:EarningsPerShareBasic ▇▃▆▅█▄▅▅▇▆▄▅▆▅▄▁▆▅▅▆▅▅▅▅▅▆▆▅▅▆▆▆▅▆▅▆▅▆▅▅▅▃▅▆▆▅9.36-5.873.750.9412.64-1.890.770.838.366.43-2.10.824.781.42-0.09-12.754.252.261.73.583.232.972.111.681.64.184.461.723.03.616.144.090.614.320.883.672.783.931.590.960.48-4.692.253.733.692.75
us-gaap:EarningsPerShareDiluted ▇▃▆▅█▄▅▅▇▆▄▅▆▅▄▁▆▅▅▅▅▅▅▅▅▆▆▅▅▅▆▆▅▆▅▆▅▆▅▅▅▃▅▆▆▅9.35-5.873.740.9412.63-1.890.770.838.356.43-2.10.824.781.42-0.09-12.754.242.251.693.563.222.952.091.661.594.144.421.72.953.566.054.010.64.230.873.622.753.881.580.950.48-4.692.233.73.662.73
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 EBT Margin us-gaap:ConsolidatedEntities,us-gaap:ConsolidationItems srt:ParentCompany,srt:ReportableLegalEntitiesNANA16.73415.75631.773-17.58842.259-1.3069.1339.2787.7396.3695.9425.3715.1315.836NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Net profit Margin us-gaap:ConsolidatedEntities,us-gaap:ConsolidationItems srt:ParentCompany,srt:ReportableLegalEntitiesNANA16.73415.75631.773-17.58842.259-1.3069.1339.2787.7396.3695.9425.3715.1315.836NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:BenefitsLossesAndExpenses ▅▇▇█▅▅▆▆▅▃▄▄▂▃▃█▂▃▂▂▂▂▂▂▂▂▁▂▂▂▁▂▂▁▂▂▁▁▁▂▂▅▁▂▁▂885.7721211.9131213.6121266.148816.699879.9371068.42939.54780.05446.462680.835579.474222.831329.186447.8681357.206287.331339.458270.417255.721304.116267.195243.053250.536308.413216.72497.82162.364168.952144.07775.431151.904204.436107.837289.135149.784126.34992.57586.348155.36217.184710.96148.604152.80353.516177.39
us-gaap:ComprehensiveIncomeNetOfTax ▇▂▅▅█▄▄▅▇▆▄▅▆▅▄▁▅▅▅▅▅▅▅▅▅▅▅▅▅▅▆▅▄▅▅▅▅▆▅▅▄▃▅▆▆▅462.428-283.385186.54256.071581.732-72.64336.03554.744374.644282.869-74.66742.007196.08962.2782.206-498.917176.95796.45673.543152.704142.593133.14797.64980.39178.48173.364175.94973.321126.303156.43273.816184.99233.148189.17749.855190.946150.563211.40791.18951.07431.7-239.261129.017216.946212.198164.955
us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest █▄▅▆██▅▇▇▇▄▆▇▆▅▁▆▆▆▆▆▆▆▆▆▆▆▆▆▆▇▆▆▆▆▇▆▇▆▆▆▄▁▆▇▆113.544-46.85-5.46719.301118.72898.091-2.62262.05771.81270.222-49.2696.4454.48329.8990.056-204.27737.61234.32716.21935.64130.63544.59128.06831.15312.16739.66244.21530.47736.07842.76854.19144.33114.01538.6079.69251.08333.62453.64125.3885.04421.9-85.495-209.55933.92450.35312.288
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest ▇▃▅▅█▅▅▅▇▆▄▅▆▅▅▁▆▅▅▅▅▅▅▅▅▆▆▅▅▆▆▆▅▆▅▆▅▆▅▅▅▃▅▆▆▅575.972-330.235181.07575.372700.4625.44833.413116.801446.456353.091-123.93648.447250.57292.1772.262-703.194214.569130.78389.762188.345173.228177.738125.717111.54490.647213.026220.164103.798162.381199.198328.007229.32347.163227.78459.547242.029184.187265.048116.57756.11853.6-324.756145.446250.87262.551177.243
us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense ██▇▆▇▆▆▆▇▄▄▃▃▃▃▃▃▃▃▃▂▂▂▃▂▂▂▂▂▂▁▂▁▁▂▁▁▁▁▁▁▁▁▁▁▁285.59267.234238.283215.18233.61210.604208.618202.181227.482123.951120.465109.761105.05297.71198.59876.76188.25183.28274.14680.5869.00565.59255.39978.12661.66643.40139.74937.5533.47733.731.02637.69931.76725.00939.38524.43825.60824.11125.10126.05713.88332.33518.80326.14323.5826.435
us-gaap:GainLossOnInvestments ▆▁▆▆█▃▄▄▆▆▃▄▄▃▄▄▅▄▄▅▅▅▄▄▄▄▄▄▄▄▅▄▄▄▄▅▄▅▄▄▄▄▄▅▅▅200.347-360.424258.745224.208448.39-110.70717.89731.938194.003170.645-88.65413.63-17.901-82.144-7.71642.05258.11343.373-49.96759.8769.77261.653-42.817-41.138-26.71241.74930.475-31.09727.12814.92761.86428.472-69.54413.8510.61776.25831.00346.11323.9216.98334.979-5.214-66.14992.34270.05148.2
us-gaap:GeneralAndAdministrativeExpense ▂▂▄█▂▃▃▃▄▇▃▂▂▂▁▁▁▁▂▂▂▂▂▂▃█▂▁▁▁▁▁▄▁▁▁▁▁▂▁▁▁▁▂▁▁10.12510.40521.03148.0511.89815.99117.64213.84423.84738.78912.1086.8418.3016.7334.2374.4134.6365.28611.88811.5375.7528.22510.9827.50213.03245.59810.5833.9053.9544.5453.3044.30721.5884.5293.9643.854.0674.8118.6073.5824.0112.0644.7445.594.4935.309
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▇▃▅▅█▅▅▅▇▆▄▅▆▅▅▁▆▅▅▅▅▅▅▅▅▅▆▅▅▅▆▆▅▆▅▆▅▆▅▅▅▃▅▆▆▅591.513-350.011181.71166.145731.73716.32736.885111.608458.33360.659-132.83850.28256.37388.843.425-722.471218.254132.60883.55186.745179.168180.925134.322107.70489.154165.196220.978104.132162.222199.532329.778239.66848.551235.47859.295240.691184.149263.956122.15962.58763.738-323.301138.488229.216252.892171.762
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments NANA181.71166.145731.73716.32736.885111.608458.33360.659-132.83850.28256.37388.843.425-722.471218.254132.60883.55186.745179.168180.925134.322107.70489.154165.196220.978104.132162.222199.532329.778239.66848.551235.47859.295240.691184.149263.956122.15962.58763.738-323.301NANANANA
 us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments dei:LegalEntity,us-gaap:ConsolidationItems rnr:SubsidiaryIssuerThree,srt:ReportableLegalEntitiesNANA-7.701-6.08-19.922-25.899-16.304-15.058-15.099-18.451-13.725-14.992-15.752-18.136-13.253-14.1NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments us-gaap:ConsolidatedEntities,us-gaap:ConsolidationItems srt:NonGuarantorSubsidiaries,srt:ReportableLegalEntitiesNANA192.55774.574737.31675.479-37.598162.973511.522402.465-85.00556.479272.803105.90258.121-707.095NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments us-gaap:ConsolidatedEntities,us-gaap:ConsolidationItems srt:ParentCompany,srt:ReportableLegalEntitiesNANA-3.143-2.87914.702-32.82725.819-16.001-2.537-31.902-7.07-2.457-2.87-0.734-1.799-1.891NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments us-gaap:ConsolidationItems srt:ConsolidationEliminationsNANA-0.0020.53-0.359-0.42658.169-22.012-42.127-0.196-18.2866.261-0.0772.551-3.203-2.094NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeTaxExpenseBenefit ▆▃▄▄▇▄▄▅▆▅▄▅▅▄█▃▅▅▄▅▅▅▅▄▅▁▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅13.862-19.516-9.923-8.24429.875-8.846-3.4553.6649.4757.531-8.8521.4514.506-3.40741.226-18.9773.9040.334-7.7-1.3166.6122.7448.453-4.573-1.842-47.9040.4010.245-0.2040.1661.3360.2230.2470.1220.4240.1440.898-0.0372.945-1.435-1.773-0.0520.196-2.399-0.958-2.963
us-gaap:InterestExpense ▆▆▆▆▆████▆▆▆▆▆▆▆▅▅▅▅▅▅▅▅▅▂▂▂▂▂▂▂▂▂▂▃▂▂▂▂▂▃▃▃▃▁11.83311.91211.84111.84311.84214.92715.49615.5815.53411.75411.76511.76911.76811.76711.77711.79910.09110.52610.53410.53610.53610.53810.35910.3629.6985.2514.2894.294.2924.2934.2974.2984.35.0345.7725.8915.7165.7185.7215.7225.736.1956.3036.1646.2063.156
us-gaap:NetIncomeLoss ▇▂▆▅█▄▅▅▇▆▄▅▆▅▄▁▅▅▅▅▅▅▅▅▅▅▅▅▅▅▆▅▄▆▅▅▅▆▅▅▄▃▅▆▆▅464.107-283.645197.10155.088583.134-72.91842.96245.887377.043282.906-74.71742.389197.38462.3082.143-499.217176.73897.94775.031152.42141.921133.5997.80181.12478.829173.438176.36273.41126.348156.598274.251185.33534.289196.74950.3189.41151.02210.17990.52158.01333.514-239.283132.968215.325220.816175.622
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest NANA-5.46719.301118.72898.091-2.62262.05771.81270.222-49.2696.4454.48329.8990.056-204.27737.61234.32716.21935.64130.63544.59128.06831.15312.16739.66244.21530.47736.07842.76854.19144.33114.01538.6079.69251.08333.62453.64125.3885.04421.903-85.49216.43237.52451.91510.55
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic ▇▂▅▅█▄▄▅▇▆▄▄▆▅▄▁▅▅▅▅▅▅▅▅▅▅▅▅▅▅▆▅▄▆▅▅▅▆▅▅▄▃▅▆▆▅456.818-290.934189.81247.799575.845-81.97433.77336.698367.854273.717-83.90632.681191.78856.713-3.452-504.812171.14292.35269.436146.825136.325127.99592.20675.52973.233167.843170.76767.815120.752151.003268.656179.7426.806190.47441.655180.66142.27201.42981.77149.26324.764-248.033122.575204.75210.241165.047
us-gaap:NetInvestmentIncome ▆▆▆▆▇▇███▆▅▆▆▅▆▄▅▅▅▅▅▄▅▄▄▄▄▄▄▄▆▅▄▄▄▅▃▆▅▁▄▅▅▅▄▆80.92579.80481.71783.54389.30599.473112.695113.844115.83281.46253.33880.69671.35656.47673.46440.25754.16354.32547.31651.42354.12428.86345.91828.33838.60439.70725.88624.94134.54138.94878.73259.93127.32443.61540.49745.16414.74366.97152.331-27.9433.32860.28152.50359.5726.17365.709
us-gaap:OperatingCostsAndExpenses ▆▅▂▄▄█▇▅▆▃▆▂▁▂58.20355.31141.10449.04549.07767.46164.57153.41559.81444.93358.85940.59337.54341.272NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax us-gaap:DerivativeInstrumentRisk,us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship,us-gaap:HedgingDesignation us-gaap:ForeignExchangeForward,us-gaap:NetInvestmentHedging,us-gaap:DesignatedAsHedgingInstrument▅▃█▃▁█▃▅▄▄▄▄▄2.437-2.08911.492-1.957-8.69410.844-3.1493.2640.8440.00.00.00.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax us-gaap:DerivativeInstrumentRisk,us-gaap:HedgingDesignation rnr:ForeignCurrencyForwardContractsInvestmentOperations,us-gaap:DesignatedAsHedgingInstrument▅▃█▃▁█▃▅▄▄▄▄▄2.437-2.08911.492-1.957-8.69410.844-3.1493.2640.8440.00.00.00.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PolicyholderBenefitsAndClaimsIncurredNet ▄▆▆▆▄▄▅▅▄▂▄▃▁▂▃█▂▂▂▂▂▂▂▂▂▂▁▂▂▁▁▁▂▁▂▂▁▁▁▂▂▅▁▂▁520.021867.051901.353942.03510.272570.954762.093654.52453.373227.035477.638410.5160.167171.703304.0641221.696142.587193.081123.901112.575167.75126.605102.013100.028169.34476.853-12.00369.64781.38858.915-20.85460.928103.96227.251186.89373.21549.55115.5523.55177.83151.261628.537-27.12877.936-18.803NA
us-gaap:PremiumsEarnedNet ██▇▇▇▆▆▆▆▄▄▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▁▁▁▂▁▂▂▂▂▂▁▂▁▁▁▂▁▁▁▁1192.791153.8361029.0851000.1831010.096913.098970.125906.748911.502550.028574.613531.849429.385440.282421.473547.792382.265366.045351.901346.521351.402353.606361.575362.388379.828296.76256.487258.979260.416286.534256.765294.717291.889271.255283.651262.623244.416278.665199.109229.224217.175305.541189.742212.355212.171250.653
us-gaap:ProfitLoss ▇▃▅▅█▅▅▅▇▆▄▅▆▅▅▁▆▅▅▅▅▅▅▅▅▆▆▅▅▅▆▆▅▆▅▆▅▆▅▅▅▃▅▆▆▅577.651-330.495191.63474.389701.86225.17340.34107.944448.855353.128-123.98648.829251.86792.2072.199-703.494214.35132.27491.25188.061172.556178.181125.869112.27790.996213.1220.577103.887162.426199.366328.442229.66648.304235.35659.992240.493184.644263.82115.90963.05755.417-324.775149.4252.849272.731186.172
us-gaap:Revenues █▄▇▇█▅▆▅▆▄▃▃▃▂▃▃▃▂▂▂▃▂▂▂▂▂▂▁▂▂▂▂▁▂▂▂▂▂▁▁▁▂▁▂▂▂1477.285861.9021395.3231332.2931548.436896.2641105.3051051.1481238.38807.121547.997629.754479.204417.986491.293634.735505.585472.066353.967442.466483.284448.12377.375358.24397.567381.92318.798266.496331.174343.609405.209391.572252.987343.315348.43390.475310.498356.531208.507217.947280.922387.66187.092382.019306.408349.152
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:Assets ██▇█▇▇▆▆▆▆▄▄▄▃▃▃▃▃▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁32726.75532236.09730820.5830995.8430479.75427465.51926330.09425644.2126086.96124559.618676.19617096.39417023.37815922.20215226.13115044.92413705.6813319.62712352.08212659.53112544.76312153.91311560.87111906.72112053.18611287.1988203.558356.9358515.6258163.7058179.1318353.9558467.3838096.927928.6288793.5088959.5188353.5987744.9128117.4098166.348015.18138.278NANANA
us-gaap:Liabilities ██▇▇▇▇▆▆▆▆▄▄▄▄▃▃▃▃▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁21852.7321748.1919872.01320217.70219745.48318550.14717287.41916913.94217461.65316896.16711579.41610675.89510669.88910060.5859538.259608.1837508.3427270.7996309.9116687.1886719.1436311.9835782.7236187.056227.435536.4783206.1273529.9093655.7923414.4463174.8873693.6063998.273654.2983453.3133999.7514211.7193758.3983478.6523933.2564019.6383975.3213441.409NANANA
us-gaap:LiabilitiesAndStockholdersEquity ██▇█▇▇▆▆▆▆▄▄▄▃▃▃▃▃▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁32726.75532236.09730820.5830995.8430479.75427465.51926330.09425644.2126086.96124559.618676.19617096.39417023.37815922.20215226.13115044.92413705.6813319.62712352.08212659.53112544.76312153.91311560.87111906.72112053.18611287.1988203.558356.9358515.6258163.7058179.1318353.9558467.3838096.927928.6288793.5088959.5188353.5987744.9128117.4098166.348015.18138.278NANANA
us-gaap:StockholdersEquity ▇▇███▅▅▅▅▅▄▃▃▃▃▃▄▃▃▃▃▃▃▃▃▃▂▁▂▁▂▁▁▁▁▂▂▂▁▁▁▁▂7217.6067078.3377560.2487390.8217347.1725683.5265971.3675951.2355912.8425554.0335045.084886.5214860.0614436.2534391.3754403.0124955.2554860.8374866.5774807.794703.2174760.5934732.1844697.6434836.9444782.2893865.7153735.863835.9413762.2783904.3843710.7143568.2973563.1053503.0653838.9563843.013794.5653605.1933547.8143515.2713499.9023936.325NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:CashAndCashEquivalentsAtCarryingValue █▆█▆▅▄▆▄▃▅▅▂▂▃▆▃▃▂▂▂▂▂▂▂▂▃▂▁▁▁▂▁▁▂▁▁▁▁▁▁▁▁▁▁▁▁1789.7561286.6611736.8131287.3781185.844896.2161379.068871.251670.6261021.2751107.922453.041548.472647.9731361.592581.576623.15454.087421.157493.33455.521449.149506.885524.546398.09557.618525.584300.547294.457327.163408.032266.35285.594335.625325.358249.123264.232260.982216.984235.058237.737252.631277.738248.12220.299267.279
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents █▅█▅▅▃▆▃▂▄▄▁▁1789.7561286.6611736.8131287.3781185.844896.2161379.068871.251670.6261021.2751107.922453.041548.472NA1361.592NANANA421.157NANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:ShortTermInvestments us-gaap:ConsolidatedEntities srt:ParentCompanyNANA125.392NANANA189.446NANANA72.917NANANA121.628NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures dei:LegalEntity,us-gaap:ConsolidationItems rnr:SubsidiaryIssuerThree,srt:ReportableLegalEntitiesNANA1521.8291517.0621384.9681392.4191426.8381279.0421278.1291249.2181215.6631235.547NANA1141.733NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures us-gaap:ConsolidatedEntities srt:ParentCompanyNANA6757.962NANANA5204.26NANANA4414.475NANANA4105.76NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures us-gaap:ConsolidatedEntities,us-gaap:ConsolidationItems srt:NonGuarantorSubsidiaries,srt:ReportableLegalEntitiesNANA700.249736.15718.374641.1030.00.00.00.00.00.0NANA0.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures us-gaap:ConsolidatedEntities,us-gaap:ConsolidationItems srt:ParentCompany,srt:ReportableLegalEntitiesNANA6757.9626493.4076355.6995017.4275204.265579.1915613.9925039.0574414.4754544.513NANA4105.76NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures us-gaap:ConsolidationItems srt:ConsolidationEliminationsNANA-8980.04-8746.619-8459.041-7050.949-6679.345-6909.019-6953.403-6347.585-5688.596-5837.142NANA-5283.633NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Goodwill us-gaap:BalanceSheetLocation rnr:GoodwillAndOtherIntangibleAssetsNANA211.013NANANA210.665NANANA197.59NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill us-gaap:BalanceSheetLocation,us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass rnr:GoodwillAndOtherIntangibleAssets,us-gaap:OtherIntangibleAssetsNANA10.269NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill us-gaap:EquityMethodInvestmentNonconsolidatedInvestee,us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees,us-gaap:OtherIntangibleAssetsNANA9.145NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass us-gaap:OtherIntangibleAssetsNANA19.414NANANA26.186NANANA19.414NANANA10.267NANANA10.267NANANA10.267NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill NANA50.996NANANA65.868NANANA56.966NANANA54.471NANANA65.458NANANA82.9NANANA14.975NANANA18.917NANANA22.179NANANA27.536NANANANANANANA
 us-gaap:IntangibleAssetsNetExcludingGoodwill us-gaap:BalanceSheetLocation rnr:GoodwillAndOtherIntangibleAssetsNANA38.628NANANA51.561NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IntangibleAssetsNetExcludingGoodwill us-gaap:EquityMethodInvestmentNonconsolidatedInvestee us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvesteesNANA12.368NANANA14.326NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IntangibleAssetsNetExcludingGoodwill us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:CustomerRelationshipsNANA31.277NANANA39.353NANANA37.198NANANA43.825NANANA53.316NANANA62.164NANANA12.505NANANANANANANANANANANANANANANANANANANA
 us-gaap:IntangibleAssetsNetExcludingGoodwill us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:TrademarksNANA0.305NANANA0.329NANANA0.354NANANA0.379NANANA0.403NANANA0.427NANANA0.451NANANANANANANANANANANANANANANANANANANA
 us-gaap:IntangibleAssetsNetExcludingGoodwill us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass us-gaap:LicensingAgreementsNANA19.414NANANA26.186NANANA19.414NANANA10.267NANANA10.267NANANA10.267NANANA1.867NANANANANANANANANANANANANANANANANANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:BalanceSheetLocation,us-gaap:FiniteLivedIntangibleAssetsByMajorClass rnr:GoodwillAndOtherIntangibleAssets,us-gaap:OtherIntangibleAssetsNANA28.359NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:EquityMethodInvestmentNonconsolidatedInvestee,us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees,us-gaap:OtherIntangibleAssetsNANA3.223NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:OtherIntangibleAssetsNANA31.582NANANA39.682NANANA37.552NANANA35.288NANANA43.329NANANA57.297NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IntangibleAssetsNetIncludingGoodwill ▇▇▇▇▇▇████▇▇▇▇▇▇▇▇▇▇▇▇████▁▁▁▁▁▁▁▁▁246.576248.08249.641257.437258.591260.076262.226263.259265.217267.151237.418238.803240.187241.572243.145244.787246.43248.325251.186254.678258.17261.662265.154270.213275.743281.3347.9027.9548.0078.0598.1118.9788.2828.3848.486NANANA8.894NANANANANANANA
us-gaap:DeferredTaxAssetsLiabilitiesNet NANA49.264NANANA43.904NANANA64.663NANANA56.693NANANA80.122NANANA78.372NANANA0.26NANANA0.169NANANA-0.144NANANA-0.408NANANA-0.592NANANA
us-gaap:OperatingLeaseRightOfUseAsset NANA29.8NANANA42.8NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:EquitySecuritiesFvNi ▆▅█▅▄▂▄▃▁▃▂▃577.09503.137702.617547.381470.087360.444436.931379.422273.646389.937310.252413.271NANA388.254NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:LongTermDebt ▆▆▆▆▆▆███▇▆▆▆▆▆▆▆▅▅▅▅▅▅▅▅▅▁1137.3041136.7831136.2651135.741135.2161134.6951384.1051383.4981382.891191.499991.127990.749990.371989.995989.623989.245988.866945.701948.663951.62954.577957.536966.079969.221972.362826.774249.522NANANANANANANANANANANANA349.224349.201549.178549.155NANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NANA7.379NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NANA4.107NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour NANA2.987NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA2.864NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA8.767NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:StockholdersEquity ▇▇███▅▅▅▅▅▄▃▃▃▃▃▄▃▃▃▃▃▃▃▃▃▂▁▂▁▂▁▁▁▁▂▂▂▁▁▁▁▂7217.6067078.3377560.2487390.8217347.1725683.5265971.3675951.2355912.8425554.0335045.084886.5214860.0614436.2534391.3754403.0124955.2554860.8374866.5774807.794703.2174760.5934732.1844697.6434836.9444782.2893865.7153735.863835.9413762.2783904.3843710.7143568.2973563.1053503.0653838.9563843.013794.5653605.1933547.8143515.2713499.9023936.325NANANA
us-gaap:CommonStockValue ▅▆▇▇▇▃▄▄▄▄▃▂▂▂▂▂▂▂▂▂▂▃▃▄▄▄▁▁▂▂▃▄▄▄▄▅▆▇▇▇▇▇█48.02649.9750.81150.8150.81144.03444.14844.15244.16244.15942.20740.26640.26340.24640.02440.02940.28240.78541.18741.15641.49643.09543.70144.12146.01346.02638.44238.88840.52340.85643.64644.39144.38544.5145.54248.22850.60951.76551.54351.78751.75351.74254.11NANANA
us-gaap:AdditionalPaidInCapital ▆▇███▃▃▃▃▃▂▁▁▁▁▁▁▂▂▂▂▃▃▃▄▄▁1153.8811450.6271623.2061615.3281602.738502.608568.277560.166552.21543.889296.09942.39535.09438.55237.35532.85267.583131.173216.558213.053242.561422.422507.674551.683750.484754.9410.0NANANANANANANANANANA0.3790.0NANANANANANANA
us-gaap:RetainedEarningsAccumulatedDeficit █▇█▇▇▆▆▆▆▅▄▄▄▄▄▄▅▅▅▄▄▄▃▃▃▃▂▂▂▂▃▂▂▂▁▂▂▂▁▁▁▁▂5504.765065.1225373.8735201.7665171.6894613.5484710.8814691.9294670.3394317.4554058.2074155.3434135.8053957.2613913.7723929.974447.5294289.2374207.6994150.964016.8233893.4113778.7013699.5793637.4543577.983423.8573293.1433391.53317.4593456.6073261.7573119.0033112.5453043.9013226.6613229.873179.4332991.892925.6042889.7192878.3153312.392NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▁▁▁▃▃▄▄▅▃▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▅▅▅▅▅▅▅▅▅▅▇▇▆▇▆▆███-14.061-12.382-12.642-2.083-3.066-1.664-1.9394.988-3.869-1.47-1.433-1.483-1.1010.1940.2240.161-0.139-0.3581.1332.6212.3371.6652.1082.262.9933.3423.4163.8293.9183.9634.1314.5664.9096.0513.62214.06712.53112.98811.7611.09218.03119.84519.823NANANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:ConsolidatedEntities srt:ParentCompanyNANA-12.642NANANA-1.939NANANA-1.433NANANA0.224NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents us-gaap:AdditionalPaidInCapitalNANA0.0-0.0421088.7720.00.00.00.0248.259248.0530.00.00.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents us-gaap:CommonStockNANA0.00.06.7770.00.00.00.01.7391.9470.00.00.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▃▃▇▅▅▅█▅▅▅▄▆▅▂▅▄▃▃▃▄▃▂▄▃▂▁▄▃▃▂▅▃▂▃▃▃▃▃▂▃▂▂▂▃▂▃128.631206.538662.956472.814381.499475.466872.763480.463406.82377.149333.175539.415386.46-37.349424.085280.679119.984221.03999.826252.831126.879-9.707252.59191.51789.235-118.605267.268220.003126.74746.639409.923208.37948.917128.502181.263231.889132.673171.104-28.553163.4937.293-6.297-1.721207.92357.929230.589
us-gaap:NetCashProvidedByUsedInInvestingActivities █▄▅▅▂▄▄▅▁▄▄▄▄▄▆▅▆▆▅▅▆▆▅▇▅▆▆▆▆▇▅▅▆▇▇▆▆▅▆▆▆▇▇▆▆▆581.518-463.131-249.87-327.257-1197.28-530.282-649.88-261.79-1460.932-616.042-472.308-642.373-717.213-704.71972.423-252.39866.437-28.896-190.26-149.82974.425101.132-183.627155.001-372.41762.00413.359-80.794-92.106301.194-308.84-165.787-60.761219.873271.694-62.821-90.577-189.97352.927-139.289101.527299.866145.827-121.423108.351-24.145
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▂▃▃█▁▄▃▆▄▇▃▄▃▄▃▃▂▃▃▂▂▃▂▄▃▃▂▃▁▃▃▃▁▁▂▃▃▃▃▂▁▂▃▂▂-206.114-193.57932.907-45.2531107.177-429.617287.097-23.223703.705152.538795.5378.601235.29626.906284.882-73.974-21.233-160.81524.214-64.301-191.881-154.42-86.896-215.888121.34297.777-60.624-140.681-65.2-428.17312.085-34.24-35.26-341.54-377.024-187.126-36.29561.875-41.738-24.777-154.771-320.95-163.827-24.221-240.521-103.023
 us-gaap:NetCashProvidedByUsedInFinancingActivities dei:LegalEntity,us-gaap:ConsolidationItems rnr:SubsidiaryIssuerThree,srt:ReportableLegalEntitiesNANA0.00.00.0-250.00.00.00.00.00.00.00.00.00.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NetCashProvidedByUsedInFinancingActivities us-gaap:ConsolidatedEntities,us-gaap:ConsolidationItems srt:NonGuarantorSubsidiaries,srt:ReportableLegalEntitiesNANA59.967-20.17936.68442.599311.1311.22531.579-16.847569.66231.48711.77552.759304.668NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NetCashProvidedByUsedInFinancingActivities us-gaap:ConsolidatedEntities,us-gaap:ConsolidationItems srt:ParentCompany,srt:ReportableLegalEntitiesNANA-27.06-25.0741070.493-222.216-24.034-24.443172.126169.385225.875-22.886223.521-25.853-19.786NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▇▁▇▅▆▁▇▅▂▃█▃503.095-450.152449.435101.534289.628-482.852507.817200.625-350.649-86.647654.881-95.431NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet ▅▇▁▄▄▇▁▄▄▆▂▄▄█▁▄▄▅▄▄▄▄▃▄▄▅▃▄▄▅▃▄▄▄▄▄▅▄▄▄▄▄▄▄▄▄105.965423.421-445.711-49.127-89.004405.528-528.463-44.16916.942304.339-369.775-18.495-20.892632.442-500.667-100.1413.29659.412-55.622-20.202-19.30710.131-121.542-3.886-36.276158.812-145.413-23.80724.701215.665-209.26724.974-25.51449.915-58.06413.53976.124-26.02-28.72-42.82539.98142.646-1.476-9.2264.272.256
us-gaap:NetCashProvidedByUsedInOperatingActivities ▃▃▇▅▅▅█▅▅▅▄▆▅▂▅▄▃▃▃▄▃▂▄▃▂▁▄▃▃▂▅▃▂▃▃▃▃▃▂▃▂▂▂▃▂▃128.631206.538662.956472.814381.499475.466872.763480.463406.82377.149333.175539.415386.46-37.349424.085280.679119.984221.03999.826252.831126.879-9.707252.59191.51789.235-118.605267.268220.003126.74746.639409.923208.37948.917128.502181.263231.889132.673171.104-28.553163.4937.293-6.297-1.721207.92357.929230.589
us-gaap:NetIncomeLoss ▇▂▆▅█▄▅▅▇▆▄▅▆▅▄▁▅▅▅▅▅▅▅▅▅▅▅▅▅▅▆▅▄▆▅▅▅▆▅▅▄▃▅▆▆▅464.107-283.645197.10155.088583.134-72.91842.96245.887377.043282.906-74.71742.389197.38462.3082.143-499.217176.73897.94775.031152.42141.921133.5997.80181.12478.829173.438176.36273.41126.348156.598274.251185.33534.289196.74950.3189.41151.02210.17990.52158.01333.514-239.283132.968215.325220.816175.622
us-gaap:ProfitLoss ▇▃▅▅█▅▅▅▇▆▄▅▆▅▅▁▆▅▅▅▅▅▅▅▅▆▆▅▅▅▆▆▅▆▅▆▅▆▅▅▅▃▅▆▆▅577.651-330.495191.63474.389701.86225.17340.34107.944448.855353.128-123.98648.829251.86792.2072.199-703.494214.35132.27491.25188.061172.556178.181125.869112.27790.996213.1220.577103.887162.426199.366328.442229.66648.304235.35659.992240.493184.644263.82115.90963.05755.417-324.775149.4252.849272.731186.172
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities █▄▅▅▂▄▄▅▁▄▄▄▄▄▆▅▆▆▅▅▆▆▅▇▅▆▆▆▆▇▅▅▆▇▇▆▆▅▆▆▆▇▇▆▆▆581.518-463.131-249.87-327.257-1197.28-530.282-649.88-261.79-1460.932-616.042-472.308-642.373-717.213-704.71972.423-252.39866.437-28.896-190.26-149.82974.425101.132-183.627155.001-372.41762.00413.359-80.794-92.106301.194-308.84-165.787-60.761219.873271.694-62.821-90.577-189.97352.927-139.289101.527299.866145.827-121.423108.351-24.145
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▂▃▃█▁▄▃▆▄▇▃▄▃▄▃▃▂▃▃▂▂▃▂▄▃▃▂▃▁▃▃▃▁▁▂▃▃▃▃▂▁▂▃▂▂-206.114-193.57932.907-45.2531107.177-429.617287.097-23.223703.705152.538795.5378.601235.29626.906284.882-73.974-21.233-160.81524.214-64.301-191.881-154.42-86.896-215.888121.34297.777-60.624-140.681-65.2-428.17312.085-34.24-35.26-341.54-377.024-187.126-36.29561.875-41.738-24.777-154.771-320.95-163.827-24.221-240.521-103.023
 us-gaap:NetCashProvidedByUsedInFinancingActivities dei:LegalEntity,us-gaap:ConsolidationItems rnr:SubsidiaryIssuerThree,srt:ReportableLegalEntitiesNANA0.00.00.0-250.00.00.00.00.00.00.00.00.00.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NetCashProvidedByUsedInFinancingActivities us-gaap:ConsolidatedEntities,us-gaap:ConsolidationItems srt:NonGuarantorSubsidiaries,srt:ReportableLegalEntitiesNANA59.967-20.17936.68442.599311.1311.22531.579-16.847569.66231.48711.77552.759304.668NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NetCashProvidedByUsedInFinancingActivities us-gaap:ConsolidatedEntities,us-gaap:ConsolidationItems srt:ParentCompany,srt:ReportableLegalEntitiesNANA-27.06-25.0741070.493-222.216-24.034-24.443172.126169.385225.875-22.886223.521-25.853-19.786NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PaymentsOfDividendsCommonStock ▇████▅▅▅▅▅▃▃▃▃▃▃▃▃▃▃▃▃▃▃▄▄▁▁▂▂▂▂▂▂▃▃▄▄▃▃▃▃▄▄▄▅17.1817.81717.70517.72217.70415.35914.82115.10814.9714.46913.2313.14313.24413.22412.74612.74712.8513.02712.69712.68812.91313.28513.08413.40413.75913.7211.07811.28411.65111.89912.31112.29812.32912.32912.61513.06813.78713.88613.36113.37813.3613.36113.55513.64613.94314.792
us-gaap:PaymentsForRepurchaseOfCommonStock █▅▁▁▁▂309.015171.6450.00.00.062.621NANA0.00.00.00.00.00.00.042.65165.93180.0090.044.431179.83785.16662.524196.6140.290.44639.335160.80751.8262.73666.49918.91510.697111.299205.848167.3586.4763.63516.8270.00.0174.79237.5470.0207.677203.658
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value4849505050444444444442404040404040404141414343444646383840404344444445485051515151515461
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.20.20.20.20.20.20.20.20.20.20.20.20.30.30.30.30.30.30.30.30.40.40.40.40.40.50.50.50.50.50.50.50.50.60.50.60.60.70.60.60.60.70.8

us-gaap:CommonStockValue us-gaap:ConsolidatedEntities

srt:ParentCompany


Common
Period End2020-12-312019-12-312018-12-312017-12-31
Value50444240
Percentage of CommonStockValue100.0100.0100.0100.0
Percentage of Assets0.20.20.20.3
Percentage of Assets srt:ParentCompany0.60.70.80.8

Preferred Stock Par Or Stated Value Per Share

us-gaap:PreferredStockParOrStatedValuePerShare us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType

us-gaap:PreferredStockParOrStatedValuePerShare

us-gaap:SeriesGPreferredStock, us-gaap:SubsequentEvent


Preferred
Period End2021-07-12
Value1.0
Percentage of PreferredStockParOrStatedValuePerShare100.0

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued us-gaap:StatementEquityComponents

us-gaap:CommonStockSharesIssued

us-gaap:CommonStock


Common
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value50444240414338434551
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding us-gaap:StatementEquityComponents

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStock


Common
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value5044424041433843455154
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4849505045434343434240393939393940404040414243444540383940414344444447495150500.0509730.0510551530.0539650.05604458
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4849505044434343434240393939393939404040414243444539373839414343434346485050500.0505010.05049351530.0534670.05553858
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value9.36-5.873.750.9412.64-1.890.770.838.366.43-2.10.824.781.42-0.09-12.754.252.261.73.583.232.972.111.681.64.184.461.723.03.616.144.090.614.320.883.672.783.931.590.960.48-4.692.253.733.692.75
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value9.35-5.873.740.9412.63-1.890.770.838.356.43-2.10.824.781.42-0.09-12.754.242.251.693.563.222.952.091.661.594.144.421.72.953.566.054.010.64.230.873.622.753.881.580.950.48-4.692.233.73.662.73
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Benefits Losses And Expenses

us-gaap:BenefitsLossesAndExpenses

us-gaap:BenefitsLossesAndExpenses


Benefits
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value88512111213126681687910689397804466805792223294471357287339270255304267243250308216971621681447515120410728914912692861552177104815253177
Percentage of BenefitsLossesAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues60.0140.687.095.052.798.296.789.463.055.3124.292.046.578.891.2213.856.871.976.457.862.959.664.469.977.656.730.760.951.041.918.638.880.831.483.038.440.726.041.471.377.3183.426.040.017.550.8

us-gaap:BenefitsLossesAndExpenses dei:LegalEntity, us-gaap:ConsolidationItems

rnr:SubsidiaryIssuerThree, srt:ReportableLegalEntities


Benefits
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value8.0637.602202718181721171617201415
Percentage of BenefitsLossesAndExpenses0.70.62.63.11.81.92.34.82.52.97.86.23.21.1
Percentage of Revenues0.60.61.33.01.71.71.42.73.12.73.64.92.92.4
Percentage of Revenues rnr:SubsidiaryIssuerThree srt:ReportableLegalEntities0.0499.52197.11965.90.0567.1644.9688.70.0952.81035.9929.60.01090.2

us-gaap:BenefitsLossesAndExpenses us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Benefits
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1196125080286311028977203926395682043124301338
Percentage of BenefitsLossesAndExpenses98.698.898.398.1103.295.592.487.993.998.191.695.196.298.6
Percentage of Revenues85.893.951.996.399.885.358.248.6116.790.342.674.987.7210.9
Percentage of Revenues srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities0.094.452.192.00.084.658.549.40.091.042.874.70.0212.0

srt:ParentCompany, srt:ReportableLegalEntities


Benefits
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1918171516141141148.8268.8126.1056.937.727
Percentage of BenefitsLossesAndExpenses1.61.52.11.71.51.61.59.22.21.54.01.91.50.6
Percentage of Revenues1.41.41.11.71.51.40.95.12.71.41.81.51.41.2
Percentage of Revenues srt:ParentCompany srt:ReportableLegalEntities0.0118.353.7-86.60.0-1125.2127.8443.80.0138.6148.3113.70.0132.4

us-gaap:BenefitsLossesAndExpenses us-gaap:ConsolidationItems

srt:ConsolidationEliminations


Benefits
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-10.894-11.08-24.242-25.895-69.5819.41229-8.6069.377-14.659-7.534-10.162-4.408-4.592
Percentage of BenefitsLossesAndExpenses-0.9-0.9-3.0-2.9-6.51.03.8-1.91.4-2.5-3.4-3.1-1.0-0.3
Percentage of Revenues-0.8-0.8-1.6-2.9-6.30.92.4-1.11.7-2.3-1.6-2.4-0.9-0.7
Percentage of Revenues srt:ConsolidationEliminations0.0105.098.598.40.0-74.7-241.197.80.0174.699.0133.50.068.7

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value462-283.38518656581-72.6433654374282-74.66742196622.206-498.9171769673152142133978078173175731261562731843318949190150211915131-239.261129216212164
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues31.3-32.913.44.237.6-8.13.35.230.335.0-13.66.740.914.90.4-78.635.020.420.834.529.529.725.922.419.745.455.227.538.145.567.647.213.155.114.348.948.559.343.723.411.3-61.769.056.869.347.2

us-gaap:ComprehensiveIncomeNetOfTax dei:LegalEntity, us-gaap:ConsolidationItems

rnr:SubsidiaryIssuerThree, srt:ReportableLegalEntities


Comprehensive
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-41.0861482-56.6378.610.8691516-33.197-1.4867.422-20.134-26.657-27.145
Percentage of ComprehensiveIncomeNetOfTax-22.026.714.178.023.91.64.15.944.5-3.53.8-32.3-1208.45.4
Percentage of Revenues-2.91.15.3-6.30.80.11.22.1-6.1-0.21.5-4.8-5.4-4.3
Percentage of Revenues rnr:SubsidiaryIssuerThree srt:ReportableLegalEntities0.0985.28631.8-4080.50.027.0551.7534.20.0-84.5441.0-921.00.0-1906.2

us-gaap:ComprehensiveIncomeNetOfTax us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Comprehensive
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value8947585-13.457-36.454103426324-31.07472137637-488.069
Percentage of ComprehensiveIncomeNetOfTax48.284.5100.718.5-101.2190.0113.9114.941.6113.5108.7123.21688.897.8
Percentage of Revenues6.43.637.8-1.5-3.39.934.440.3-5.77.644.518.47.6-76.9
Percentage of Revenues srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities0.03.638.0-1.40.09.834.640.90.07.644.718.30.0-77.3

srt:ParentCompany, srt:ReportableLegalEntities


Comprehensive
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value18656581-72.6434245377282-74.71742197622.143-499.217
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0117.883.8100.6100.0100.1100.9100.7100.097.1100.1
Percentage of Revenues13.44.237.6-8.13.84.430.435.1-13.66.741.214.90.4-78.6
Percentage of Revenues srt:ParentCompany srt:ReportableLegalEntities0.0355.91830.9413.00.0-3513.64128.43049.20.0665.63321.81160.10.0-8554.1

us-gaap:ComprehensiveIncomeNetOfTax us-gaap:ConsolidationItems

srt:ConsolidationEliminations


Comprehensive
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-48.759-62.375-667.6737013-98.854-451.225-349.44369-53.27-224.47-56.8963.96512
Percentage of ComprehensiveIncomeNetOfTax-26.1-111.2-114.8-96.538.5-180.6-120.4-123.5-93.6-126.8-114.5-91.4179.5-102.8
Percentage of Revenues-3.5-4.7-43.17.81.3-9.4-36.4-43.312.7-8.5-46.8-13.60.880.8
Percentage of Revenues srt:ConsolidationEliminations0.0591.22714.0-266.30.0784.63653.93970.00.0634.32949.3747.50.0-7668.8

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value113-46.85-5.4671911898-2.622627170-49.2696.4454290.056-204.2773734163530442831123944303642544414389.692513353255.04421-85.495-209.559335012
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues7.7-5.4-0.41.47.710.9-0.25.95.88.7-9.01.011.47.20.0-32.27.47.34.68.16.310.07.48.73.110.413.911.410.912.413.411.35.511.22.813.110.815.012.22.37.8-22.1-112.08.916.43.5

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Comprehensive
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-5.4671911898-2.622627170-49.2696.4454290.056-204.277
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-0.41.47.710.9-0.25.95.88.7-9.01.011.47.20.0-32.2
Percentage of Revenues srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities0.01.57.710.40.05.95.88.80.01.011.47.10.0-32.4

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value575-330.235181757002533116446353-123.93648250922.262-703.194214130891881731771251119021322010316219932822947227592421842651165653-324.756145250262177
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues39.0-38.313.05.745.22.83.011.136.143.7-22.67.752.322.10.5-110.842.427.725.442.635.839.733.331.122.855.869.138.949.058.080.958.618.666.317.162.059.374.355.925.719.1-83.877.765.785.750.8

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest dei:LegalEntity, us-gaap:ConsolidationItems

rnr:SubsidiaryIssuerThree, srt:ReportableLegalEntities


Comprehensive
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-41.0861482-56.6378.610.8691516-33.197-1.4867.422-20.134-26.657-27.145
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest-22.719.911.7-222.625.80.73.44.726.8-3.13.0-21.8-1178.53.9
Percentage of Revenues-2.91.15.3-6.30.80.11.22.1-6.1-0.21.5-4.8-5.4-4.3
Percentage of Revenues rnr:SubsidiaryIssuerThree srt:ReportableLegalEntities0.0985.28631.8-4080.50.027.0551.7534.20.0-84.5441.0-921.00.0-1906.2

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Comprehensive
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value846670484-39.076166498395-80.3395426710637-692.346
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest46.688.5100.6332.6-116.9142.2111.6111.964.8111.7106.8115.71649.498.5
Percentage of Revenues6.05.045.59.4-3.515.840.249.0-14.78.655.925.57.6-109.1
Percentage of Revenues srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities0.05.045.79.00.015.740.449.70.08.756.125.50.0-109.6

srt:ParentCompany, srt:ReportableLegalEntities


Comprehensive
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value18656581-72.6434245377282-74.71742197622.143-499.217
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest103.074.483.0-285.5127.139.384.580.160.387.578.867.694.771.0
Percentage of Revenues13.44.237.6-8.13.84.430.435.1-13.66.741.214.90.4-78.6
Percentage of Revenues srt:ParentCompany srt:ReportableLegalEntities0.0355.91830.9413.00.0-3513.64128.43049.20.0665.63321.81160.10.0-8554.1

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest us-gaap:ConsolidationItems

srt:ConsolidationEliminations


Comprehensive
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-48.759-62.375-667.6737013-98.854-451.225-349.44369-53.27-224.47-56.8963.96512
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest-26.9-82.8-95.3275.441.6-84.6-101.1-99.0-56.4-110.0-89.6-61.7175.1-72.9
Percentage of Revenues-3.5-4.7-43.17.81.3-9.4-36.4-43.312.7-8.5-46.8-13.60.880.8
Percentage of Revenues srt:ConsolidationEliminations0.0591.22714.0-266.30.0784.63653.93970.00.0634.32949.3747.50.0-7668.8

Deferred Policy Acquisition Cost Amortization Expense

us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense

us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value285267238215233210208202227123120109105979876888374806965557861433937333331373125392425242526133218262326
Percentage of DeferredPolicyAcquisitionCostAmortizationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues19.331.017.116.215.123.518.919.218.415.422.017.421.923.420.112.117.517.620.918.214.314.614.721.815.511.412.514.110.19.87.79.612.67.311.36.38.26.812.012.04.98.310.16.87.77.6

us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Deferred
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value241214231210208202227123120109105979876
Percentage of DeferredPolicyAcquisitionCostAmortizationExpense101.399.599.1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues17.316.115.023.518.919.218.415.422.017.421.923.420.112.1
Percentage of Revenues srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities0.016.215.022.40.019.118.515.60.017.622.023.30.012.2

srt:ParentCompany, srt:ReportableLegalEntities


Deferred
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1.0252.0510.00.00.00.00.00.00.00.00.00.00.0
Percentage of DeferredPolicyAcquisitionCostAmortizationExpense0.50.90.00.00.00.00.00.00.00.00.00.00.0
Percentage of Revenues0.10.10.00.00.00.00.00.00.00.00.00.00.0
Percentage of Revenues srt:ParentCompany srt:ReportableLegalEntities6.56.5-0.00.0-0.00.00.00.00.00.00.00.00.0

us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Deferred
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-0.0010.0010.0-0.0210.006-0.1920.0-0.002-0.0010.0010.00.001-0.001-0.0010.00.00.00.00.0
Percentage of DeferredPolicyAcquisitionCostAmortizationExpense-0.00.00.0-0.00.0-0.10.0-0.0-0.00.00.00.0-0.0-0.00.00.00.00.00.0
Percentage of Revenues-0.00.00.0-0.00.0-0.00.0-0.0-0.00.00.00.0-0.0-0.00.00.00.00.00.0
Percentage of Revenues us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, rnr:CasualtyandSpecialtySegment


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value17615416311613812511712213770696464565959595447583945
Percentage of DeferredPolicyAcquisitionCostAmortizationExpense61.857.868.554.259.459.556.560.760.656.657.858.561.158.360.777.267.765.164.473.157.469.3
Percentage of Revenues11.917.911.78.89.014.010.711.711.18.712.710.213.413.612.29.311.811.513.513.38.210.1
Percentage of Revenues us-gaap:OperatingSegments rnr:CasualtyandSpecialtySegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, rnr:PropertySegment


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value1091127598948590798953504540403817282926212920
Percentage of DeferredPolicyAcquisitionCostAmortizationExpense38.242.231.545.840.640.543.539.339.443.442.241.538.941.739.222.832.334.935.626.942.630.7
Percentage of Revenues7.413.15.47.46.19.58.27.67.26.79.37.28.59.77.92.85.66.27.54.96.14.5
Percentage of Revenues us-gaap:OperatingSegments rnr:PropertySegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Gain Loss On Investments

us-gaap:GainLossOnInvestments

us-gaap:GainLossOnInvestments


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value200-360.424258224448-110.7071731194170-88.65413-17.901-82.144-7.716425843-49.967596961-42.817-41.138-26.7124130-31.09727146128-69.5441310763146231634-5.214-66.149927048
Percentage of GainLossOnInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues13.6-41.818.516.829.0-12.41.63.015.721.1-16.22.2-3.7-19.7-1.66.611.59.2-14.113.514.413.8-11.3-11.5-6.710.99.6-11.78.24.315.37.3-27.54.03.019.510.012.911.57.812.5-1.3-35.424.222.913.8

us-gaap:GainLossOnInvestments dei:LegalEntity, us-gaap:ConsolidationItems

rnr:SubsidiaryIssuerThree, srt:ReportableLegalEntities


Gain
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-0.039-0.0210.0530.116-0.080.020.1020.1090.07-0.073-0.067-0.259-0.2620.051
Percentage of GainLossOnInvestments-0.0-0.00.0-0.1-0.40.10.10.1-0.1-0.50.40.33.40.1
Percentage of Revenues-0.0-0.00.00.0-0.00.00.00.00.0-0.0-0.0-0.1-0.10.0
Percentage of Revenues rnr:SubsidiaryIssuerThree srt:ReportableLegalEntities0.0-1.45.68.40.00.63.73.50.0-4.2-4.0-11.80.03.6

us-gaap:GainLossOnInvestments us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Gain
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value258222433-89.7056.89728183161-80.9129.4-19.563-79.938-9.03539
Percentage of GainLossOnInvestments99.999.496.681.038.590.194.594.691.369.0109.397.3117.194.4
Percentage of Revenues18.516.728.0-10.00.62.714.820.0-14.81.5-4.1-19.1-1.86.3
Percentage of Revenues srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities0.016.828.1-9.60.02.714.920.30.01.5-4.1-19.10.06.3

srt:ParentCompany, srt:ReportableLegalEntities


Gain
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.2031.32415-21.1184.8921.9834.5161.0021.454-0.1760.016-0.661-1.5120.11
Percentage of GainLossOnInvestments0.10.63.419.127.36.22.30.6-1.6-1.3-0.10.819.60.3
Percentage of Revenues0.00.11.0-2.40.40.20.40.10.3-0.00.0-0.2-0.30.0
Percentage of Revenues srt:ParentCompany srt:ReportableLegalEntities0.08.447.3120.10.0-151.849.410.80.0-2.80.3-12.30.01.9

us-gaap:GainLossOnInvestments us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Gain
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value258224448-110.7071731194170-88.65413-17.901-82.144-7.716425843-49.967596961
Percentage of GainLossOnInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues18.516.829.0-12.41.63.015.721.1-16.22.2-3.7-19.7-1.66.611.59.2-14.113.514.413.8
Percentage of Revenues us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

General And Administrative Expense

us-gaap:GeneralAndAdministrativeExpense

us-gaap:GeneralAndAdministrativeExpense


General
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value10102148111517132338126.8418.3016.7334.2374.4134.6365.28611115.7528.225107.5021345103.9053.9544.5453.3044.307214.5293.9643.854.0674.8118.6073.5824.0112.0644.7445.594.4935.309
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.71.21.53.60.81.81.61.31.94.82.21.11.71.60.90.70.91.13.42.61.21.82.92.13.311.93.31.51.21.30.81.18.51.31.11.01.31.34.11.61.40.52.51.51.51.5

us-gaap:GeneralAndAdministrativeExpense dei:LegalEntity, us-gaap:ConsolidationItems

rnr:SubsidiaryIssuerThree, srt:ReportableLegalEntities


General
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.0080.0070.00.00.00.0070.0090.00.00.00.0070.00.00.0
Percentage of GeneralAndAdministrativeExpense0.00.00.00.00.00.10.00.00.00.00.10.00.00.0
Percentage of Revenues0.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Revenues rnr:SubsidiaryIssuerThree srt:ReportableLegalEntities0.00.50.00.00.00.20.30.00.00.00.40.00.00.0

us-gaap:GeneralAndAdministrativeExpense us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


General
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value2.459363.3647.312225.0118-1.922-6.2673.0633.2583.0490.331-0.221
Percentage of GeneralAndAdministrativeExpense11.776.228.345.7126.136.275.8-5.0-51.844.839.245.37.8-5.0
Percentage of Revenues0.22.70.20.82.00.51.5-0.2-1.10.50.70.70.1-0.0
Percentage of Revenues srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities0.02.80.20.80.00.51.5-0.20.00.50.70.70.0-0.0

srt:ParentCompany, srt:ReportableLegalEntities


General
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value18118.5348.6798.7756.9483.84238123.7785.0363.6843.9064.634
Percentage of GeneralAndAdministrativeExpense88.323.871.754.349.750.216.1100.1104.855.260.754.792.2105.0
Percentage of Revenues1.30.90.61.00.80.70.34.82.30.61.10.90.80.7
Percentage of Revenues srt:ParentCompany srt:ReportableLegalEntities0.072.626.9-49.30.0-532.042.1418.50.059.384.868.60.079.4

us-gaap:GeneralAndAdministrativeExpense us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


General
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value10102148111517132338126.8418.3016.7334.2374.4134.6365.28611115.7528.225
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.71.21.53.60.81.81.61.31.94.82.21.11.71.60.90.70.91.13.42.61.21.8
Percentage of Revenues us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value591-350.011181667311636111458360-132.838502568843-722.471218132831861791801341078916522010416219932923948235592401842631226263-323.301138229252171
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues40.0-40.613.05.047.31.83.310.637.044.7-24.28.053.521.28.8-113.843.228.123.642.237.140.435.630.122.443.369.339.149.058.181.461.219.268.617.061.659.374.058.628.722.7-83.474.060.082.549.2

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest dei:LegalEntity, us-gaap:ConsolidationItems

rnr:SubsidiaryIssuerThree, srt:ReportableLegalEntities


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-38.9941273-59.5686.292-0.6931315-33.639-3.3265.4-21.949-24.539-30.452
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest-21.518.910.1-364.817.1-0.63.04.225.3-6.62.1-24.7-56.54.2
Percentage of Revenues-2.80.94.8-6.60.6-0.11.11.9-6.1-0.51.1-5.3-5.0-4.8
Percentage of Revenues rnr:SubsidiaryIssuerThree srt:ReportableLegalEntities0.0822.97761.1-4291.60.0-21.5489.2481.20.0-189.2320.9-1004.10.0-2138.5

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value946072992-37.598162511402-85.0055627210558-707.095
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest52.191.399.8564.2-101.9146.0111.6111.664.0112.3106.4119.3133.897.9
Percentage of Revenues6.84.547.110.3-3.415.541.349.9-15.59.056.925.311.8-111.4
Percentage of Revenues srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities0.04.647.49.80.015.441.550.60.09.057.225.30.0-112.0

srt:ParentCompany, srt:ReportableLegalEntities


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value19755581-72.54445376282-76.65642199614.802-501.299
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest108.684.479.5-444.0120.940.382.178.557.784.977.969.511.169.4
Percentage of Revenues14.14.237.6-8.14.04.330.435.1-14.06.841.714.81.0-79.0
Percentage of Revenues srt:ParentCompany srt:ReportableLegalEntities0.0354.31830.9412.20.0-3447.24119.03050.10.0670.03360.11148.60.0-8589.8

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest us-gaap:ConsolidationItems

srt:ConsolidationEliminations


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-71.258-62.588-653.6515615-98.854-451.225-349.44369-53.27-224.47-56.8963.96512
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest-39.2-94.6-89.3344.741.1-88.6-98.4-96.9-52.6-105.9-87.6-64.19.1-71.0
Percentage of Revenues-5.1-4.7-42.26.31.4-9.4-36.4-43.312.7-8.5-46.8-13.60.880.8
Percentage of Revenues srt:ConsolidationEliminations0.0593.32657.0-213.80.0784.63653.93970.00.0634.32949.3747.50.0-7668.8

Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value181667311636111458360-132.838502568843-722.471218132831861791801341078916522010416219932923948235592401842631226263-323.301
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues13.05.047.31.83.310.637.044.7-24.28.053.521.28.8-113.843.228.123.642.237.140.435.630.122.443.369.339.149.058.181.461.219.268.617.061.659.374.058.628.722.7-83.4

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments dei:LegalEntity, us-gaap:ConsolidationItems

rnr:SubsidiaryIssuerThree, srt:ReportableLegalEntities


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-7.701-6.08-19.922-25.899-16.304-15.058-15.099-18.451-13.725-14.992-15.752-18.136-13.253-14.1
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments-4.2-9.2-2.7-158.6-44.2-13.5-3.3-5.110.3-29.8-6.1-20.4-30.52.0
Percentage of Revenues-0.6-0.5-1.3-2.9-1.5-1.4-1.2-2.3-2.5-2.4-3.3-4.3-2.7-2.2
Percentage of Revenues rnr:SubsidiaryIssuerThree srt:ReportableLegalEntities0.0-399.5-2097.1-1865.90.0-467.1-544.9-588.70.0-852.8-935.9-829.60.0-990.2

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1927473775-37.598162511402-85.0055627210558-707.095
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments106.0112.7100.8462.3-101.9146.0111.6111.664.0112.3106.4119.3133.897.9
Percentage of Revenues13.85.647.68.4-3.415.541.349.9-15.59.056.925.311.8-111.4
Percentage of Revenues srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities0.05.647.98.00.015.441.550.60.09.057.225.30.0-112.0

srt:ParentCompany, srt:ReportableLegalEntities


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-3.143-2.87914-32.82725-16.001-2.537-31.902-7.07-2.457-2.87-0.734-1.799-1.891
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments-1.7-4.42.0-201.170.0-14.3-0.6-8.85.3-4.9-1.1-0.8-4.10.3
Percentage of Revenues-0.2-0.20.9-3.72.3-1.5-0.2-4.0-1.3-0.4-0.6-0.2-0.4-0.3
Percentage of Revenues srt:ParentCompany srt:ReportableLegalEntities0.0-18.346.3186.60.01225.2-27.8-343.80.0-38.6-48.3-13.70.0-32.4

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments us-gaap:ConsolidationItems

srt:ConsolidationEliminations


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-0.0020.53-0.359-0.42658-22.012-42.127-0.196-18.2866.261-0.0772.551-3.203-2.094
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments-0.00.8-0.0-2.6157.7-19.7-9.2-0.113.812.5-0.02.9-7.40.3
Percentage of Revenues-0.00.0-0.0-0.05.3-2.1-3.4-0.0-3.31.0-0.00.6-0.7-0.3
Percentage of Revenues srt:ConsolidationEliminations0.0-5.01.51.60.0174.7341.12.20.0-74.61.0-33.50.031.3

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value13-19.516-9.923-8.24429-8.846-3.4553.6649.4757.531-8.8521.4514.506-3.40741-18.9773.9040.334-7.7-1.3166.6122.7448.453-4.573-1.842-47.9040.4010.245-0.2040.1661.3360.2230.2470.1220.4240.1440.898-0.0372.945-1.435-1.773-0.0520.196-2.399-0.958-2.963
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.9-2.3-0.7-0.61.9-1.0-0.30.30.80.9-1.60.20.9-0.88.4-3.00.80.1-2.2-0.31.40.62.2-1.3-0.5-12.50.10.1-0.10.00.30.10.10.00.10.00.3-0.01.4-0.7-0.6-0.00.1-0.6-0.3-0.8

us-gaap:IncomeTaxExpenseBenefit dei:LegalEntity, us-gaap:ConsolidationItems

rnr:SubsidiaryIssuerThree, srt:ReportableLegalEntities


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-1.96-6.531-1.338-2.186-1.554-1.562-1.732-1.662-0.442-1.84-2.022-1.8152.118-3.307
Percentage of IncomeTaxExpenseBenefit19.879.2-4.524.745.0-42.6-18.3-22.15.0-126.8-44.953.35.117.4
Percentage of Revenues-0.1-0.5-0.1-0.2-0.1-0.1-0.1-0.2-0.1-0.3-0.4-0.40.4-0.5
Percentage of Revenues rnr:SubsidiaryIssuerThree srt:ReportableLegalEntities0.0-429.1-140.8-157.50.0-48.4-62.5-53.00.0-104.7-120.1-83.00.0-232.2

us-gaap:IncomeTaxExpenseBenefit us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-8.221-2.44132-7.078-4.9435.774107.309-4.6161.9813.789-0.75520-14.449
Percentage of IncomeTaxExpenseBenefit82.829.6109.280.0143.1157.6113.197.152.1136.584.122.250.676.1
Percentage of Revenues-0.6-0.22.1-0.8-0.40.50.90.9-0.80.30.8-0.24.2-2.3
Percentage of Revenues srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities0.0-0.22.1-0.80.00.50.90.90.00.30.8-0.20.0-2.3

srt:ParentCompany, srt:ReportableLegalEntities


Income
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.728-1.4040.4181.642-0.867-0.8540.079-1.9390.2842.271-0.6162.659-2.082
Percentage of IncomeTaxExpenseBenefit-8.8-4.7-4.7-47.5-23.7-9.01.021.919.650.418.16.411.0
Percentage of Revenues0.1-0.10.00.1-0.1-0.10.0-0.40.00.5-0.10.5-0.3
Percentage of Revenues srt:ParentCompany srt:ReportableLegalEntities4.6-4.4-2.40.066.4-9.40.90.04.538.2-11.50.0-35.7

us-gaap:IncomeTaxExpenseBenefit us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value13-19.516-9.923-8.24429-8.846-3.4553.6649.4757.531-8.8521.4514.506-3.40741-18.9773.9040.334-7.7-1.3166.6122.744
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.9-2.3-0.7-0.61.9-1.0-0.30.30.80.9-1.60.20.9-0.88.4-3.00.80.1-2.2-0.31.40.6
Percentage of Revenues us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1111111111141515151111111111111110101010101010109.6985.2514.2894.294.2924.2934.2974.2984.35.0345.7725.8915.7165.7185.7215.7225.736.1956.3036.1646.2063.156
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.81.40.80.90.81.71.41.51.31.52.11.92.52.82.41.92.02.23.02.42.22.42.72.92.41.41.31.61.31.21.11.11.71.51.71.51.81.62.72.62.01.63.41.62.00.9

us-gaap:InterestExpense dei:LegalEntity, us-gaap:ConsolidationItems

rnr:SubsidiaryIssuerThree, srt:ReportableLegalEntities


Interest
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value6.9966.9936.9069.969109.2579.2549.2529.2569.2579.2549.2529.2569.258
Percentage of InterestExpense59.159.058.366.866.059.459.678.778.778.778.678.678.678.5
Percentage of Revenues0.50.50.41.10.90.90.71.11.71.51.92.21.91.5
Percentage of Revenues rnr:SubsidiaryIssuerThree srt:ReportableLegalEntities0.0459.5726.9718.20.0287.1334.0295.20.0526.6549.9423.20.0650.1

us-gaap:InterestExpense us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Interest
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value111211110.4640.6150.5870.619-3.1742.5122.5142.5152.5212.541
Percentage of InterestExpense100.1101.497.377.23.03.93.85.3-27.021.321.421.421.421.5
Percentage of Revenues0.80.90.71.30.00.10.00.1-0.60.40.50.60.50.4
Percentage of Revenues srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities0.00.90.71.20.00.10.00.10.00.40.50.60.00.4

srt:ParentCompany, srt:ReportableLegalEntities


Interest
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value3.833.8294.0963.8284.8025.7085.6931.8831.9891.4781.1081.1081.1080.183
Percentage of InterestExpense32.332.334.625.631.036.636.616.016.912.69.49.49.41.6
Percentage of Revenues0.30.30.30.40.40.50.50.20.40.20.20.30.20.0
Percentage of Revenues srt:ParentCompany srt:ReportableLegalEntities0.024.312.9-21.80.0-437.162.320.30.023.218.620.60.03.1

us-gaap:InterestExpense us-gaap:ConsolidationItems

srt:ConsolidationEliminations


Interest
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-10.834-10.988-10.685-10.3870.00.00.00.03.694-1.478-1.108-1.108-1.108-0.183
Percentage of InterestExpense-91.5-92.8-90.2-69.60.00.00.00.031.4-12.6-9.4-9.4-9.4-1.6
Percentage of Revenues-0.8-0.8-0.7-1.20.00.00.00.00.7-0.2-0.2-0.3-0.2-0.0
Percentage of Revenues srt:ConsolidationEliminations0.0104.243.439.50.0-0.0-0.0-0.00.017.614.614.60.02.7

us-gaap:CorporateNonSegment


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value11111111111415151511111111111111101010101010
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.81.40.80.90.81.71.41.51.31.52.11.92.52.82.41.92.02.23.02.42.22.4
Percentage of Revenues us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value464-283.64519755583-72.9184245377282-74.71742197622.143-499.2171769775152141133978178173176731261562741853419650189151210905833-239.283132215220175
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues31.4-32.914.14.137.7-8.13.94.430.435.1-13.66.741.214.90.4-78.635.020.721.234.429.429.825.922.619.845.455.327.538.245.667.747.313.657.314.448.548.659.043.426.611.9-61.771.156.472.150.3

us-gaap:NetIncomeLoss dei:LegalEntity, us-gaap:ConsolidationItems

rnr:SubsidiaryIssuerThree, srt:ReportableLegalEntities


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-37.0341975-57.3827.8460.8691516-33.197-1.4867.422-20.134-26.657-27.145
Percentage of NetIncomeLoss-18.834.612.978.718.31.94.15.944.4-3.53.8-32.3-1243.95.4
Percentage of Revenues-2.71.44.8-6.40.70.11.22.1-6.1-0.21.5-4.8-5.4-4.3
Percentage of Revenues rnr:SubsidiaryIssuerThree srt:ReportableLegalEntities0.01252.07901.9-4134.10.027.0551.7534.20.0-84.5441.0-921.00.0-1906.2

us-gaap:NetIncomeLoss us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value108435781.105-30.03395428324-31.12482147637-488.369
Percentage of NetIncomeLoss54.979.099.2-1.5-69.9207.3113.8114.941.7113.4108.7123.21735.597.8
Percentage of Revenues7.83.337.40.1-2.79.134.640.3-5.77.644.818.47.6-76.9
Percentage of Revenues srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities0.03.337.60.10.09.034.840.90.07.745.018.30.0-77.3

srt:ParentCompany, srt:ReportableLegalEntities


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value19755583-72.9184245377282-74.71742197622.143-499.217
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues14.14.137.7-8.13.94.430.435.1-13.66.741.214.90.4-78.6
Percentage of Revenues srt:ParentCompany srt:ReportableLegalEntities0.0349.61835.3414.60.0-3513.64128.43049.20.0665.63321.81160.10.0-8554.1

us-gaap:NetIncomeLoss us-gaap:ConsolidationItems

srt:ConsolidationEliminations


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-71.258-62.588-653.6515615-98.854-451.225-349.44369-53.27-224.47-56.8963.96512
Percentage of NetIncomeLoss-36.2-113.6-112.1-77.235.3-215.4-119.7-123.5-93.5-125.7-113.7-91.3184.8-102.7
Percentage of Revenues-5.1-4.7-42.26.31.4-9.4-36.4-43.312.7-8.5-46.8-13.60.880.8
Percentage of Revenues srt:ConsolidationEliminations0.0593.32657.0-213.80.0784.63653.93970.00.0634.32949.3747.50.0-7668.8

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-5.4671911898-2.622627170-49.2696.4454290.056-204.2773734163530442831123944303642544414389.692513353255.04421-85.49216375110
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-0.41.47.710.9-0.25.95.88.7-9.01.011.47.20.0-32.27.47.34.68.16.310.07.48.73.110.413.911.410.912.413.411.35.511.22.813.110.815.012.22.37.8-22.18.89.816.93.0

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value456-290.93418947575-81.9743336367273-83.9063219156-3.452-504.8121719269146136127927573167170671201512681792619041180142201814924-248.033122204210165
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues30.9-33.813.63.637.2-9.13.13.529.733.9-15.35.240.013.6-0.7-79.533.919.619.633.228.228.624.421.118.443.953.625.436.543.966.345.910.655.512.046.345.856.539.222.68.8-64.065.553.668.647.3

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic dei:LegalEntity, us-gaap:ConsolidationItems

rnr:SubsidiaryIssuerThree, srt:ReportableLegalEntities


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-37.0341975-57.3827.8460.8691516-33.197-1.4867.422-20.134-26.657-27.145
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic-19.539.913.070.023.22.44.26.139.6-4.53.9-35.5772.25.4
Percentage of Revenues-2.71.44.8-6.40.70.11.22.1-6.1-0.21.5-4.8-5.4-4.3
Percentage of Revenues rnr:SubsidiaryIssuerThree srt:ReportableLegalEntities0.01252.07901.9-4134.10.027.0551.7534.20.0-84.5441.0-921.00.0-1906.2

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value108435781.105-30.03395428324-31.12482147637-488.369
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic57.191.1100.5-1.3-88.9259.3116.6118.737.1147.1111.9135.3-1077.496.7
Percentage of Revenues7.83.337.40.1-2.79.134.640.3-5.77.644.818.47.6-76.9
Percentage of Revenues srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities0.03.337.60.10.09.034.840.90.07.745.018.30.0-77.3

srt:ParentCompany, srt:ReportableLegalEntities


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value18947575-81.9743336367273-83.9063219156-3.452-504.812
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues13.63.637.2-9.13.13.529.733.9-15.35.240.013.6-0.7-79.5
Percentage of Revenues srt:ParentCompany srt:ReportableLegalEntities0.0303.41812.4466.10.0-2810.04027.72950.20.0513.13227.71055.90.0-8650.0

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic us-gaap:ConsolidationItems

srt:ConsolidationEliminations


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-71.258-62.588-653.6515615-98.854-451.225-349.44369-53.27-224.47-56.8963.96512
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic-37.5-130.9-113.5-68.744.9-269.4-122.7-127.7-83.3-163.0-117.0-100.3-114.7-101.6
Percentage of Revenues-5.1-4.7-42.26.31.4-9.4-36.4-43.312.7-8.5-46.8-13.60.880.8
Percentage of Revenues srt:ConsolidationEliminations0.0593.32657.0-213.80.0784.63653.93970.00.0634.32949.3747.50.0-7668.8

Net Investment Income

us-gaap:NetInvestmentIncome

us-gaap:NetInvestmentIncome


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value807981838999112113115815380715673405454475154284528383925243438785927434045146652-27.94336052592665
Percentage of NetInvestmentIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues5.59.35.96.35.811.110.210.89.410.19.712.814.913.515.06.310.711.513.411.611.26.412.27.99.710.48.19.410.411.319.415.310.812.711.611.64.718.825.1-12.811.915.528.115.68.518.8

us-gaap:NetInvestmentIncome dei:LegalEntity, us-gaap:ConsolidationItems

rnr:SubsidiaryIssuerThree, srt:ReportableLegalEntities


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.0010.0160.110.8831.5641.9062.0172.062.2381.5411.2061.2341.2471.335
Percentage of NetInvestmentIncome0.00.00.10.91.41.71.72.54.21.91.72.21.73.3
Percentage of Revenues0.00.00.00.10.10.20.20.30.40.20.30.30.30.2
Percentage of Revenues rnr:SubsidiaryIssuerThree srt:ReportableLegalEntities0.01.111.663.60.059.172.865.70.087.771.756.50.093.8

us-gaap:NetInvestmentIncome us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value8384899811111311479538071567239
Percentage of NetInvestmentIncome101.8100.9100.299.198.999.999.397.499.799.799.999.798.997.7
Percentage of Revenues6.06.35.811.010.110.89.39.89.712.814.913.514.86.2
Percentage of Revenues srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities0.06.45.810.50.010.79.310.00.012.914.913.40.06.2

srt:ParentCompany, srt:ReportableLegalEntities


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value9.41010101010108.2776.2876.5425.9276.0356.6435.725
Percentage of NetInvestmentIncome11.512.211.710.59.29.09.210.211.88.18.310.79.014.2
Percentage of Revenues0.70.80.71.20.91.00.91.01.11.01.21.41.40.9
Percentage of Revenues srt:ParentCompany srt:ReportableLegalEntities0.064.732.8-59.60.0-785.8116.989.20.0102.799.7112.40.098.1

us-gaap:NetInvestmentIncome us-gaap:ConsolidationItems

srt:ConsolidationEliminations


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-10.835-10.957-10.708-10.44-11.412-12.6-12.349-8.802-8.909-8.398-7.611-7.611-7.611-6.686
Percentage of NetInvestmentIncome-13.3-13.1-12.0-10.5-10.1-11.1-10.7-10.8-16.7-10.4-10.7-13.5-10.4-16.6
Percentage of Revenues-0.8-0.8-0.7-1.2-1.0-1.2-1.0-1.1-1.6-1.3-1.6-1.8-1.5-1.1
Percentage of Revenues srt:ConsolidationEliminations0.0103.943.539.70.0100.0100.0100.00.0100.0100.0100.00.0100.0

us-gaap:CorporateNonSegment


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value80798183899911211311581538071567340545447515428
Percentage of NetInvestmentIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues5.59.35.96.35.811.110.210.89.410.19.712.814.913.515.06.310.711.513.411.611.26.4
Percentage of Revenues us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Operating Costs And Expenses

us-gaap:OperatingCostsAndExpenses

us-gaap:OperatingCostsAndExpenses


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value5855414949676453594458403741
Percentage of OperatingCostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues3.96.42.93.73.27.55.85.14.85.610.76.47.89.9

us-gaap:OperatingCostsAndExpenses dei:LegalEntity, us-gaap:ConsolidationItems

rnr:SubsidiaryIssuerThree, srt:ReportableLegalEntities


Operating
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1.0590.60213178.5299.0188.60712
Percentage of OperatingCostsAndExpenses2.61.228.525.713.216.914.427.4
Percentage of Revenues0.10.00.91.90.80.90.71.5
Percentage of Revenues rnr:SubsidiaryIssuerThree srt:ReportableLegalEntities0.039.61470.11247.70.0279.7310.6393.5

us-gaap:OperatingCostsAndExpenses us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Operating
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value39464662109342142
Percentage of OperatingCostsAndExpenses96.294.294.393.3169.365.235.594.9
Percentage of Revenues2.83.53.07.09.93.31.75.3
Percentage of Revenues srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities0.03.53.06.70.03.31.75.4

srt:ParentCompany, srt:ReportableLegalEntities


Operating
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.5592.3352.392.7322.8632.0392.1350.469
Percentage of OperatingCostsAndExpenses1.44.84.94.04.43.83.61.0
Percentage of Revenues0.00.20.20.30.30.20.20.1
Percentage of Revenues srt:ParentCompany srt:ReportableLegalEntities0.014.87.5-15.50.0-156.123.45.1

us-gaap:OperatingCostsAndExpenses us-gaap:ConsolidationItems

srt:ConsolidationEliminations


Operating
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-0.06-0.092-13.557-15.508-56.2077.53327-10.489
Percentage of OperatingCostsAndExpenses-0.1-0.2-27.6-23.0-87.014.146.6-23.3
Percentage of Revenues-0.0-0.0-0.9-1.7-5.10.72.3-1.3
Percentage of Revenues srt:ConsolidationEliminations0.00.955.158.90.0-59.8-225.7119.2

us-gaap:CorporateNonSegment


Operating
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.054-0.0010.0-0.841-0.0210.0340.0
Percentage of OperatingCostsAndExpenses0.1-0.00.0-1.3-0.00.10.0
Percentage of Revenues0.0-0.00.0-0.1-0.00.00.0
Percentage of Revenues us-gaap:CorporateNonSegment0.00.00.00.00.00.00.0

us-gaap:OperatingCostsAndExpenses us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, rnr:CasualtyandSpecialtySegment


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value19191415172325192316
Percentage of OperatingCostsAndExpenses33.236.036.431.235.534.840.235.938.536.5
Percentage of Revenues1.32.31.11.11.12.62.31.81.92.0
Percentage of Revenues us-gaap:OperatingSegments rnr:CasualtyandSpecialtySegment0.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, rnr:PropertySegment


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value38352633314439343628
Percentage of OperatingCostsAndExpenses66.864.063.868.764.565.261.164.161.563.5
Percentage of Revenues2.64.11.92.52.04.93.63.33.03.5
Percentage of Revenues us-gaap:OperatingSegments rnr:PropertySegment0.00.00.00.00.00.00.00.00.00.0

Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:ForeignExchangeForward, us-gaap:NetInvestmentHedging, us-gaap:DesignatedAsHedgingInstrument


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value2.437-2.08911-1.957-8.69410-3.1493.2640.8440.00.00.00.0
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0
Percentage of Revenues0.2-0.20.8-0.1-0.61.2-0.30.30.10.00.00.00.0
Percentage of Revenues us-gaap:ForeignExchangeForward us-gaap:NetInvestmentHedging us-gaap:DesignatedAsHedgingInstrument0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

rnr:ForeignCurrencyForwardContractsInvestmentOperations, us-gaap:DesignatedAsHedgingInstrument


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value2.437-2.08911-1.957-8.69410-3.1493.2640.8440.00.00.00.0
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0
Percentage of Revenues0.2-0.20.8-0.1-0.61.2-0.30.30.10.00.00.00.0
Percentage of Revenues rnr:ForeignCurrencyForwardContractsInvestmentOperations us-gaap:DesignatedAsHedgingInstrument0.00.00.00.00.00.00.00.00.00.00.00.00.0

Policyholder Benefits And Claims Incurred Net

us-gaap:PolicyholderBenefitsAndClaimsIncurredNet

us-gaap:PolicyholderBenefitsAndClaimsIncurredNet


Policyholder
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value52086790194251057076265445322747741060171304122114219312311216712610210016976-12.003698158-20.85460103271867349153.55177151628-27.12877-18.803
Percentage of PolicyholderBenefitsAndClaimsIncurredNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues35.2100.664.670.733.063.768.962.336.628.187.265.212.641.161.9192.528.240.935.025.434.728.327.027.942.620.1-3.826.124.617.1-5.115.641.17.953.618.816.04.41.735.753.8162.1-14.520.4-6.1

us-gaap:PolicyholderBenefitsAndClaimsIncurredNet us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Policyholder
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value901942510570762654453227477410601713041221
Percentage of PolicyholderBenefitsAndClaimsIncurredNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues64.670.733.063.768.962.336.628.187.265.212.641.161.9192.5
Percentage of Revenues srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities0.071.133.160.80.061.736.828.60.065.712.641.00.0193.5

us-gaap:PolicyholderBenefitsAndClaimsIncurredNet us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Policyholder
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0.3430.02-0.044-0.107-0.2180.161-0.0020.019-0.109-0.018-0.0880.018-0.873-0.155-0.227-0.328-0.305-0.8080.085-0.082
Percentage of PolicyholderBenefitsAndClaimsIncurredNet0.00.0-0.0-0.0-0.00.0-0.00.0-0.0-0.0-0.10.0-0.3-0.0-0.2-0.2-0.2-0.70.1-0.1
Percentage of Revenues0.00.0-0.0-0.0-0.00.0-0.00.0-0.0-0.0-0.00.0-0.2-0.0-0.0-0.1-0.1-0.20.0-0.0
Percentage of Revenues us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:PolicyholderBenefitsAndClaimsIncurredNet us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, rnr:CasualtyandSpecialtySegment


Policyholder
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value422368365351346426338316306170202144134141123177109154988987104
Percentage of PolicyholderBenefitsAndClaimsIncurredNet81.342.540.537.367.974.644.448.367.675.342.335.2223.682.240.514.577.080.179.379.852.182.8
Percentage of Revenues28.642.726.226.322.447.630.630.124.821.236.923.028.133.825.128.021.732.727.820.318.123.4
Percentage of Revenues us-gaap:OperatingSegments rnr:CasualtyandSpecialtySegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, rnr:PropertySegment


Policyholder
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value9749853559016414442433814656275265-74.269301811044333825238021
Percentage of PolicyholderBenefitsAndClaimsIncurredNet18.757.559.562.732.125.455.751.732.424.757.764.8-123.417.859.885.523.220.120.920.947.917.2
Percentage of Revenues6.657.938.444.410.616.238.432.211.96.950.342.2-15.57.337.0164.56.58.27.35.316.64.9
Percentage of Revenues us-gaap:OperatingSegments rnr:PropertySegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Premiums Earned Net

us-gaap:PremiumsEarnedNet

us-gaap:PremiumsEarnedNet


Premiums
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value11921153102910001010913970906911550574531429440421547382366351346351353361362379296256258260286256294291271283262244278199229217305189212212250
Percentage of PremiumsEarnedNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues80.7133.973.875.165.2101.987.886.373.668.1104.984.589.6105.385.886.375.677.599.478.372.778.995.8101.295.577.780.597.278.683.463.475.3115.479.081.467.378.778.295.5105.277.378.8101.455.669.271.8

us-gaap:PremiumsEarnedNet us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Premiums
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value102910001010913970906911550574531429440421547
Percentage of PremiumsEarnedNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues73.875.165.2101.987.886.373.668.1104.984.589.6105.385.886.3
Percentage of Revenues srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities0.075.565.697.30.085.574.069.20.085.190.0105.10.086.8

us-gaap:PremiumsEarnedNet us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, rnr:CasualtyandSpecialtySegment


Premiums
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value632548521483518491502462486259246238225215206210190179169173160178
Percentage of PremiumsEarnedNet53.047.650.748.351.453.951.851.053.447.142.844.952.548.949.038.549.748.948.250.245.650.4
Percentage of Revenues42.863.737.436.333.554.945.544.039.332.144.937.947.051.542.033.237.637.948.039.333.239.8
Percentage of Revenues us-gaap:OperatingSegments rnr:CasualtyandSpecialtySegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, rnr:PropertySegment


Premiums
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value560605507516491421467444425290328293204225215336192186181172191175
Percentage of PremiumsEarnedNet47.052.449.351.748.646.148.249.046.652.957.255.147.551.151.061.550.351.151.749.854.449.6
Percentage of Revenues37.970.236.338.831.747.042.342.334.336.060.046.542.653.843.853.138.039.651.439.039.539.1
Percentage of Revenues us-gaap:OperatingSegments rnr:PropertySegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value577-330.495191747012540107448353-123.98648251922.199-703.494214132911881721781251129021322010316219932822948235592401842631156355-324.775149252272186
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues39.1-38.313.75.645.32.83.610.336.243.8-22.67.852.622.10.4-110.842.428.025.842.535.739.833.431.322.955.869.239.049.058.081.158.719.168.617.261.659.574.055.628.919.7-83.879.966.289.053.3

us-gaap:ProfitLoss dei:LegalEntity, us-gaap:ConsolidationItems

rnr:SubsidiaryIssuerThree, srt:ReportableLegalEntities


Profit
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-37.0341975-57.3827.8460.8691516-33.197-1.4867.422-20.134-26.657-27.145
Percentage of ProfitLoss-19.325.610.7-228.019.40.83.44.726.8-3.02.9-21.8-1212.23.9
Percentage of Revenues-2.71.44.8-6.40.70.11.22.1-6.1-0.21.5-4.8-5.4-4.3
Percentage of Revenues rnr:SubsidiaryIssuerThree srt:ReportableLegalEntities0.01252.07901.9-4134.10.027.0551.7534.20.0-84.5441.0-921.00.0-1906.2

us-gaap:ProfitLoss us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Profit
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1026269799-32.655157500395-80.3895426910637-692.646
Percentage of ProfitLoss53.784.599.4394.1-80.9145.6111.6111.964.8111.6106.8115.71693.898.5
Percentage of Revenues7.44.745.011.1-3.015.040.449.0-14.78.756.125.57.6-109.1
Percentage of Revenues srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities0.04.745.310.60.014.840.649.70.08.756.425.50.0-109.7

srt:ParentCompany, srt:ReportableLegalEntities


Profit
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value19755583-72.9184245377282-74.71742197622.143-499.217
Percentage of ProfitLoss102.974.183.1-289.7106.542.584.080.160.386.878.467.697.571.0
Percentage of Revenues14.14.137.7-8.13.94.430.435.1-13.66.741.214.90.4-78.6
Percentage of Revenues srt:ParentCompany srt:ReportableLegalEntities0.0349.61835.3414.60.0-3513.64128.43049.20.0665.63321.81160.10.0-8554.1

us-gaap:ProfitLoss us-gaap:ConsolidationItems

srt:ConsolidationEliminations


Profit
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-71.258-62.588-653.6515615-98.854-451.225-349.44369-53.27-224.47-56.8963.96512
Percentage of ProfitLoss-37.2-84.1-93.1223.637.6-91.6-100.5-99.0-56.4-109.1-89.1-61.7180.1-72.9
Percentage of Revenues-5.1-4.7-42.26.31.4-9.4-36.4-43.312.7-8.5-46.8-13.60.880.8
Percentage of Revenues srt:ConsolidationEliminations0.0593.32657.0-213.80.0784.63653.93970.00.0634.32949.3747.50.0-7668.8

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1477861139513321548896110510511238807547629479417491634505472353442483448377358397381318266331343405391252343348390310356208217280387187382306349
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues dei:LegalEntity, us-gaap:ConsolidationItems

rnr:SubsidiaryIssuerThree, srt:ReportableLegalEntities


Revenuesdei:
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.3621.5220.951.3882.4553.2242.7713.1343.3281.7581.6832.1861.1741.424
Percentage of Revenues0.00.10.10.20.20.30.20.40.60.30.40.50.20.2
Percentage of Revenues0.00.10.10.20.20.30.20.40.60.30.40.50.20.2
Percentage of Revenues rnr:SubsidiaryIssuerThree srt:ReportableLegalEntities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Revenuesus-gaap:
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value138913251540938106510601232794554625476418488631
Percentage of Revenues99.699.599.5104.796.4100.999.598.5101.299.299.5100.299.599.5
Percentage of Revenues99.699.599.5104.796.4100.999.598.5101.299.299.5100.299.599.5
Percentage of Revenues srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:ParentCompany, srt:ReportableLegalEntities


Revenuesus-gaap:
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value161531-17.58842-1.3069.1339.2787.7396.3695.9425.3715.1315.836
Percentage of Revenues1.21.22.1-2.03.8-0.10.71.11.41.01.21.31.00.9
Percentage of Revenues1.21.22.1-2.03.8-0.10.71.11.41.01.21.31.00.9
Percentage of Revenues srt:ParentCompany srt:ReportableLegalEntities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues us-gaap:ConsolidationItems

srt:ConsolidationEliminations


Revenuesus-gaap:
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-10.896-10.55-24.601-26.321-11.412-12.6-12.349-8.802-8.909-8.398-7.611-7.611-7.611-6.686
Percentage of Revenues-0.8-0.8-1.6-2.9-1.0-1.2-1.0-1.1-1.6-1.3-1.6-1.8-1.5-1.1
Percentage of Revenues-0.8-0.8-1.6-2.9-1.0-1.2-1.0-1.1-1.6-1.3-1.6-1.8-1.5-1.1
Percentage of Revenues srt:ConsolidationEliminations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value3272632236308203099530479274652633025644260862455918676170961702315922152261504413705133191235212659125441215311560119061205311287820383568515816381798353846780967928879389598353774481178166801581387926
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets dei:LegalEntity, us-gaap:ConsolidatedEntities

rnr:MonaLisaRe, us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Assetsdei:
Period End2021-06-302021-03-312020-12-312019-12-31
Value6684234000.006
Percentage of Assets2.01.31.30.0
Percentage of Assets2.01.31.30.0
Percentage of Assets rnr:MonaLisaRe us-gaap:VariableInterestEntityNotPrimaryBeneficiary100.0100.0100.0100.0

rnr:UpsilonRFOReLtd., us-gaap:VariableInterestEntityPrimaryBeneficiary


Assetsdei:
Period End2021-06-302021-03-312020-12-312019-12-31
Value4099390038003100
Percentage of Assets12.512.112.311.8
Percentage of Assets12.512.112.311.8
Percentage of Assets rnr:UpsilonRFOReLtd. us-gaap:VariableInterestEntityPrimaryBeneficiary100.0100.0100.0100.0

rnr:VermeerReinsuranceLtd., us-gaap:VariableInterestEntityPrimaryBeneficiary


Assetsdei:
Period End2021-06-302021-03-312020-12-312019-12-31
Value1200120011001000
Percentage of Assets3.73.73.63.8
Percentage of Assets3.73.73.63.8
Percentage of Assets rnr:VermeerReinsuranceLtd. us-gaap:VariableInterestEntityPrimaryBeneficiary100.0100.0100.0100.0

us-gaap:Assets dei:LegalEntity, us-gaap:ConsolidationItems

rnr:SubsidiaryIssuerThree, srt:ReportableLegalEntities


Assetsdei:
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value14971469139614431737159716081590156716221605
Percentage of Assets4.94.74.65.36.66.26.26.58.49.510.5
Percentage of Assets4.94.74.65.36.66.26.26.58.49.510.5
Percentage of Assets rnr:SubsidiaryIssuerThree srt:ReportableLegalEntities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets dei:LegalEntity, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities

rnr:MonaLisaRe, us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Assetsdei:
Period End2020-09-302020-06-302019-12-312019-06-30
Value4084160.0060.006
Percentage of Assets1.31.40.00.0
Percentage of Assets1.31.40.00.0
Percentage of Assets rnr:MonaLisaRe us-gaap:VariableInterestEntityNotPrimaryBeneficiary100.0100.0100.0100.0

rnr:UpsilonRFOReLtd., us-gaap:VariableInterestEntityPrimaryBeneficiary


Assetsdei:
Period End2020-09-302020-06-302019-12-31
Value350035003100
Percentage of Assets11.311.511.8
Percentage of Assets11.311.511.8
Percentage of Assets rnr:UpsilonRFOReLtd. us-gaap:VariableInterestEntityPrimaryBeneficiary100.0100.0100.0

rnr:VermeerReinsuranceLtd., us-gaap:VariableInterestEntityPrimaryBeneficiary


Assetsdei:
Period End2020-09-302020-06-302019-12-31
Value130011001000
Percentage of Assets4.23.63.8
Percentage of Assets4.23.63.8
Percentage of Assets rnr:VermeerReinsuranceLtd. us-gaap:VariableInterestEntityPrimaryBeneficiary100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidatedEntities

srt:ParentCompany


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value7974639553684909
Percentage of Assets25.924.328.732.2
Percentage of Assets25.924.328.732.2
Percentage of Assets srt:ParentCompany100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Assetsus-gaap:
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value3142031491307382764625520230882354422024165541676714653
Percentage of Assets101.9101.6100.8100.796.990.090.389.788.698.196.2
Percentage of Assets101.9101.6100.8100.796.990.090.389.788.698.196.2
Percentage of Assets srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:ParentCompany, srt:ReportableLegalEntities


Assetsus-gaap:
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value79747813775762096395664466306110536852574909
Percentage of Assets25.925.225.522.624.325.925.424.928.730.832.2
Percentage of Assets25.925.225.522.624.325.925.424.928.730.832.2
Percentage of Assets srt:ParentCompany srt:ReportableLegalEntities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidationItems

srt:ConsolidationEliminations


Assetsus-gaap:
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value-10072.517-9778.517-9412.248-7832.983-7617.606-5973.313-5993.718-5456.109-5103.5-6840.683-6220.894
Percentage of Assets-32.7-31.5-30.9-28.5-28.9-23.3-23.0-22.2-27.3-40.0-40.9
Percentage of Assets-32.7-31.5-30.9-28.5-28.9-23.3-23.0-22.2-27.3-40.0-40.9
Percentage of Assets srt:ConsolidationEliminations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2185221748198722021719745185501728716913174611689611579106751066910060953896087508727063096687671963115782618762275536320635293655341431743693399836543453399942113758347839334019397534413298
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets66.867.564.565.264.867.565.766.066.968.862.062.462.763.262.663.954.854.651.152.853.651.950.052.051.749.139.142.242.941.838.844.247.245.143.645.547.045.044.948.549.249.642.341.6

us-gaap:Liabilities dei:LegalEntity, us-gaap:ConsolidatedEntities

rnr:MonaLisaRe, us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Liabilitiesdei:
Period End2021-06-302021-03-312020-12-312019-12-31
Value6684234000.006
Percentage of Liabilities3.11.92.00.0
Percentage of Assets2.01.31.30.0
Percentage of Assets rnr:MonaLisaRe us-gaap:VariableInterestEntityNotPrimaryBeneficiary100.0100.0100.0100.0

rnr:UpsilonRFOReLtd., us-gaap:VariableInterestEntityPrimaryBeneficiary


Liabilitiesdei:
Period End2021-06-302021-03-312020-12-312019-12-31
Value4099390038003100
Percentage of Liabilities18.817.919.117.9
Percentage of Assets12.512.112.311.8
Percentage of Assets rnr:UpsilonRFOReLtd. us-gaap:VariableInterestEntityPrimaryBeneficiary100.0100.0100.0100.0

rnr:VermeerReinsuranceLtd., us-gaap:VariableInterestEntityPrimaryBeneficiary


Liabilitiesdei:
Period End2021-06-302021-03-312020-12-312019-12-31
Value76473623
Percentage of Liabilities0.30.20.20.1
Percentage of Assets0.20.10.10.1
Percentage of Assets rnr:VermeerReinsuranceLtd. us-gaap:VariableInterestEntityPrimaryBeneficiary6.34.03.32.3

us-gaap:Liabilities dei:LegalEntity, us-gaap:ConsolidationItems

rnr:SubsidiaryIssuerThree, srt:ReportableLegalEntities


Liabilitiesdei:
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value8487837298511086955967965959981948
Percentage of Liabilities4.33.93.74.66.35.65.55.78.39.29.9
Percentage of Assets2.82.52.43.14.13.73.73.95.15.76.2
Percentage of Assets rnr:SubsidiaryIssuerThree srt:ReportableLegalEntities56.653.352.259.062.659.860.160.761.260.559.1

us-gaap:Liabilities dei:LegalEntity, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities

rnr:MonaLisaRe, us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Liabilitiesdei:
Period End2020-09-302020-06-302019-12-312019-06-30
Value4084160.0060.006
Percentage of Liabilities2.02.10.00.0
Percentage of Assets1.31.40.00.0
Percentage of Assets rnr:MonaLisaRe us-gaap:VariableInterestEntityNotPrimaryBeneficiary100.0100.0100.0100.0

rnr:UpsilonRFOReLtd., us-gaap:VariableInterestEntityPrimaryBeneficiary


Liabilitiesdei:
Period End2020-09-302020-06-302019-12-31
Value350035003100
Percentage of Liabilities17.317.717.9
Percentage of Assets11.311.511.8
Percentage of Assets rnr:UpsilonRFOReLtd. us-gaap:VariableInterestEntityPrimaryBeneficiary100.0100.0100.0

rnr:VermeerReinsuranceLtd., us-gaap:VariableInterestEntityPrimaryBeneficiary


Liabilitiesdei:
Period End2020-09-302020-06-302019-12-31
Value2505923
Percentage of Liabilities1.20.30.1
Percentage of Assets0.80.20.1
Percentage of Assets rnr:VermeerReinsuranceLtd. us-gaap:VariableInterestEntityPrimaryBeneficiary19.25.42.3

us-gaap:Liabilities us-gaap:ConsolidatedEntities

srt:ParentCompany


Liabilitiesus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value414424323517
Percentage of Liabilities2.12.52.85.4
Percentage of Assets1.31.61.73.4
Percentage of Assets srt:ParentCompany5.26.66.010.5

us-gaap:Liabilities us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Liabilitiesus-gaap:
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value22621230402179219169160191565816198158121070598198668
Percentage of Liabilities113.8114.0110.4103.392.792.692.893.692.492.090.9
Percentage of Assets73.474.371.569.860.861.162.164.457.357.456.9
Percentage of Assets srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities72.073.270.969.362.867.868.871.864.758.659.2

srt:ParentCompany, srt:ReportableLegalEntities


Liabilitiesus-gaap:
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value414422410525424693717556323370517
Percentage of Liabilities2.12.12.12.82.54.14.13.32.83.55.4
Percentage of Assets1.31.41.31.91.62.72.82.31.72.23.4
Percentage of Assets srt:ParentCompany srt:ReportableLegalEntities5.25.45.38.56.610.410.89.16.07.110.5

us-gaap:Liabilities us-gaap:ConsolidationItems

srt:ConsolidationEliminations


Liabilitiesus-gaap:
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value-4011.851-4028.405-3186.524-1995.669-243.461-393.577-422.298-438.352-414.448-496.946-597.556
Percentage of Liabilities-20.2-19.9-16.1-10.8-1.4-2.3-2.4-2.6-3.6-4.7-6.3
Percentage of Assets-13.0-13.0-10.5-7.3-0.9-1.5-1.6-1.8-2.2-2.9-3.9
Percentage of Assets srt:ConsolidationEliminations39.841.233.925.53.26.67.08.08.17.39.6

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value3272632236308203099530479274652633025644260862455918676170961702315922152261504413705133191235212659125441215311560119061205311287820383568515816381798353846780967928879389598353774481178166801581387926
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilitiesAndStockholdersEquity dei:LegalEntity, us-gaap:ConsolidationItems

rnr:SubsidiaryIssuerThree, srt:ReportableLegalEntities


Liabilities
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value14971469139614431737159716081590156716221605
Percentage of LiabilitiesAndStockholdersEquity4.94.74.65.36.66.26.26.58.49.510.5
Percentage of Assets4.94.74.65.36.66.26.26.58.49.510.5
Percentage of Assets rnr:SubsidiaryIssuerThree srt:ReportableLegalEntities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilitiesAndStockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Liabilities
Period End2020-12-312019-12-312018-12-312017-12-31
Value7974639553684909
Percentage of LiabilitiesAndStockholdersEquity25.924.328.732.2
Percentage of Assets25.924.328.732.2
Percentage of Assets srt:ParentCompany100.0100.0100.0100.0

us-gaap:LiabilitiesAndStockholdersEquity us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Liabilities
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value3142031491307382764625520230882354422024165541676714653
Percentage of LiabilitiesAndStockholdersEquity101.9101.6100.8100.796.990.090.389.788.698.196.2
Percentage of Assets101.9101.6100.8100.796.990.090.389.788.698.196.2
Percentage of Assets srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:ParentCompany, srt:ReportableLegalEntities


Liabilities
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value79747813775762096395664466306110536852574909
Percentage of LiabilitiesAndStockholdersEquity25.925.225.522.624.325.925.424.928.730.832.2
Percentage of Assets25.925.225.522.624.325.925.424.928.730.832.2
Percentage of Assets srt:ParentCompany srt:ReportableLegalEntities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilitiesAndStockholdersEquity us-gaap:ConsolidationItems

srt:ConsolidationEliminations


Liabilities
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value-10072.517-9778.517-9412.248-7832.983-7617.606-5973.313-5993.718-5456.109-5103.5-6840.683-6220.894
Percentage of LiabilitiesAndStockholdersEquity-32.7-31.5-30.9-28.5-28.9-23.3-23.0-22.2-27.3-40.0-40.9
Percentage of Assets-32.7-31.5-30.9-28.5-28.9-23.3-23.0-22.2-27.3-40.0-40.9
Percentage of Assets srt:ConsolidationEliminations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value72177078756073907347568359715951591255545045488648604436439144034955486048664807470347604732469748364782386537353835376239043710356835633503383838433794360535473515349939363840
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets22.122.024.523.824.120.722.723.222.722.627.028.628.527.928.829.336.236.539.438.037.539.240.939.540.142.447.144.745.046.147.744.442.144.044.243.742.945.446.543.743.043.748.448.5

us-gaap:StockholdersEquity dei:LegalEntity, us-gaap:ConsolidationItems

rnr:SubsidiaryIssuerThree, srt:ReportableLegalEntities


Stockholders
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value649686667592650642640625608641656
Percentage of StockholdersEquity8.69.39.110.410.910.810.811.312.113.114.9
Percentage of Assets2.12.22.22.22.52.52.52.53.33.84.3
Percentage of Assets rnr:SubsidiaryIssuerThree srt:ReportableLegalEntities43.446.747.841.037.440.239.939.338.839.540.9

us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-31
Value7560597150454391
Percentage of StockholdersEquity100.0100.0100.0100.0
Percentage of Assets24.522.727.028.8
Percentage of Assets srt:ParentCompany94.893.494.089.5

us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Stockholders
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value54115063555852456429465046334102379754134688
Percentage of StockholdersEquity71.668.575.792.3107.778.278.473.975.3110.8106.8
Percentage of Assets17.616.318.219.124.418.117.816.720.331.730.8
Percentage of Assets srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities17.216.118.119.025.220.119.718.622.932.332.0

srt:ParentCompany, srt:ReportableLegalEntities


Stockholders
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value75607390734756835971595159125554504548864391
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets24.523.824.120.722.723.222.722.627.028.628.8
Percentage of Assets srt:ParentCompany srt:ReportableLegalEntities94.894.694.791.593.489.689.290.994.092.989.5

us-gaap:StockholdersEquity us-gaap:ConsolidationItems

srt:ConsolidationEliminations


Stockholders
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value-6060.666-5750.112-6225.724-5837.314-7374.145-5579.736-5571.42-5017.757-4689.052-6343.737-5623.338
Percentage of StockholdersEquity-80.2-77.8-84.7-102.7-123.5-93.8-94.2-90.3-92.9-129.8-128.1
Percentage of Assets-19.7-18.6-20.4-21.3-28.0-21.8-21.4-20.4-25.1-37.1-36.9
Percentage of Assets srt:ConsolidationEliminations60.258.866.174.596.893.493.092.091.992.790.4

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value-14.061-12.382-12.642-2.083-3.066-1.664-1.9394.988-3.869-1.47-1.433-1.483-1.1010.1940.2240.161-0.139-0.3581.1332.6212.3371.6652.1082.262.9933.3423.4163.8293.9183.9634.1314.5664.9096.051314121211111819194175
Percentage of StockholdersEquity-0.2-0.2-0.2-0.0-0.0-0.0-0.00.1-0.1-0.0-0.0-0.0-0.00.00.00.0-0.0-0.00.00.10.00.00.00.00.10.10.10.10.10.10.10.10.10.20.40.40.30.30.30.30.50.60.51.10.0
Percentage of Assets-0.0-0.0-0.0-0.0-0.0-0.0-0.00.0-0.0-0.0-0.0-0.0-0.00.00.00.0-0.0-0.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.20.20.10.20.20.10.20.20.20.50.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value115314501623161516025025685605525432964235383732671312162132424225075517507540.00.00.00.00.00.00.00.00.00.00.00.3790.09.3315.7680.00.00.00.0
Percentage of StockholdersEquity16.020.521.521.921.88.89.59.49.39.85.90.90.70.90.90.71.42.74.44.45.28.910.711.715.515.80.00.00.00.00.00.00.00.00.00.00.00.00.00.30.20.00.00.00.0
Percentage of Assets3.54.55.35.25.31.82.22.22.12.21.60.20.20.20.20.20.51.01.81.71.93.54.44.66.26.70.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value484950505044444444444240404040404040414141434344464638384040434444444548505151515151546161
Percentage of StockholdersEquity0.70.70.70.70.70.80.70.70.70.80.80.80.80.90.90.90.80.80.80.90.90.90.90.91.01.01.01.01.11.11.11.21.21.21.31.31.31.41.41.51.51.51.41.60.0
Percentage of Assets0.10.20.20.20.20.20.20.20.20.20.20.20.20.30.30.30.30.30.30.30.30.40.40.40.40.40.50.50.50.50.50.50.50.50.60.50.60.60.70.60.60.60.70.80.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:PreferredStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value525525525525525525650650650650650650650400400400400400400400400400400400400400400400400400400400400400400550550550550550550550550650650
Percentage of StockholdersEquity7.37.46.97.17.19.210.910.911.011.712.913.313.49.09.19.18.18.28.28.38.58.48.58.58.38.410.310.710.410.610.210.811.211.211.414.314.314.515.315.515.615.714.016.90.0
Percentage of Assets1.61.61.71.71.71.92.52.52.52.63.53.83.82.52.62.72.93.03.23.23.23.33.53.43.33.54.94.84.74.94.94.84.74.95.06.36.16.67.16.86.76.96.88.20.0
Percentage of Assets us-gaap:PreferredStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value550450655373520151714613471046914670431740584155413539573913392944474289420741504016389337783699363735773423329333913317345632613119311230433226322931792991292528892878331230872245
Percentage of StockholdersEquity76.371.671.170.470.481.278.978.879.077.780.485.085.189.289.189.389.888.286.586.385.481.879.978.875.274.888.688.188.488.288.587.987.487.486.984.184.083.883.082.582.282.284.180.40.0
Percentage of Assets16.815.717.416.817.016.817.918.317.917.621.724.324.324.925.726.132.532.234.132.832.032.032.731.130.231.741.739.439.840.642.339.036.838.438.436.736.038.138.636.035.435.940.739.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value178912861736128711858961379871670102111074535486471361581623454421493455449506524398557525300294327408266285335325249264260216235237252277248220267203185257
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.54.05.64.23.93.35.23.42.64.25.92.63.24.18.93.94.53.43.43.93.63.74.44.43.34.96.43.63.54.05.03.23.44.14.12.82.93.12.82.92.93.23.40.00.00.02.60.00.0

us-gaap:CashAndCashEquivalentsAtCarryingValue dei:LegalEntity, us-gaap:ConsolidationItems

rnr:SubsidiaryIssuerThree, srt:ReportableLegalEntities


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-312017-12-312017-09-302016-12-312015-12-31
Value16118.374168.7313.3244.4565.8489.6044.3721.1751.4697.6639.3970.677
Percentage of CashAndCashEquivalentsAtCarryingValue0.90.90.71.80.60.40.70.60.91.00.20.11.32.20.1
Percentage of Assets0.10.00.00.10.00.00.00.00.10.00.00.00.10.10.0
Percentage of Assets rnr:SubsidiaryIssuerThree srt:ReportableLegalEntities1.10.80.61.10.50.20.30.40.60.30.00.10.00.00.0

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:ConsolidatedEntities

srt:ParentCompany


Cash
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value29263.534147.06710
Percentage of CashAndCashEquivalentsAtCarryingValue1.71.90.31.11.72.0
Percentage of Assets0.10.10.00.10.10.1
Percentage of Assets srt:ParentCompany0.40.40.10.30.00.0

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-312017-12-312017-09-302016-12-312015-12-31
Value1690126511728771334859657100810914446381345561397483
Percentage of CashAndCashEquivalentsAtCarryingValue97.398.398.897.996.898.698.098.898.598.298.598.896.594.595.3
Percentage of Assets5.54.13.83.25.13.42.54.15.82.64.08.83.73.24.2
Percentage of Assets srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities5.44.03.83.25.23.72.84.66.62.70.09.20.00.00.0

srt:ParentCompany, srt:ReportableLegalEntities


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-312017-12-312017-09-302016-12-312015-12-31
Value29105.4663.066265.0995.1963.073.5343.7348.1514127.06710
Percentage of CashAndCashEquivalentsAtCarryingValue1.70.80.50.31.90.60.80.30.30.81.31.12.11.72.0
Percentage of Assets0.10.00.00.00.10.00.00.00.00.00.10.10.10.10.1
Percentage of Assets srt:ParentCompany srt:ReportableLegalEntities0.40.10.10.00.40.10.10.10.10.10.00.30.00.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312016-12-31
Value178912861736128711858961379871670102111074535481361421
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.54.05.64.23.93.35.23.42.64.25.92.63.28.93.4

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents dei:LegalEntity, us-gaap:ConsolidationItems

rnr:SubsidiaryIssuerThree, srt:ReportableLegalEntities


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312016-12-31
Value16118.374168.7313.3244.4565.8489.6044.3724.7451.4699.397
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents0.90.90.71.80.60.40.70.60.91.00.90.12.2
Percentage of Assets0.10.00.00.10.00.00.00.00.10.00.00.00.1
Percentage of Assets rnr:SubsidiaryIssuerThree srt:ReportableLegalEntities1.10.80.61.10.50.20.30.40.60.30.00.10.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents us-gaap:ConsolidatedEntities

srt:ParentCompany


Cash
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value29263.534147.067
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents1.71.90.31.11.7
Percentage of Assets0.10.10.00.10.1
Percentage of Assets srt:ParentCompany0.40.40.10.30.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312016-12-31
Value1690126511728771334859657101210914445411345397
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents97.398.398.897.996.898.698.099.198.598.298.798.894.5
Percentage of Assets5.54.13.83.25.13.42.54.15.82.63.28.83.2
Percentage of Assets srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities5.44.03.83.25.23.72.84.66.62.70.09.20.0

srt:ParentCompany, srt:ReportableLegalEntities


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312016-12-31
Value29105.4663.066265.0995.1963.073.5343.7342.502147.067
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents1.70.80.50.31.90.60.80.30.30.80.51.11.7
Percentage of Assets0.10.00.00.00.10.00.00.00.00.00.00.10.1
Percentage of Assets srt:ParentCompany srt:ReportableLegalEntities0.40.10.10.00.40.10.10.10.10.10.00.30.0

Short Term Investments

us-gaap:ShortTermInvestments us-gaap:ConsolidatedEntities

us-gaap:ShortTermInvestments

srt:ParentCompany


Short
Period End2020-12-312019-12-312018-12-312017-12-31
Value12518972121
Percentage of ShortTermInvestments100.0100.0100.0100.0
Percentage of Assets0.40.70.40.8
Percentage of Assets srt:ParentCompany1.63.01.42.5

Investments In Affiliates Subsidiaries Associates And Joint Ventures

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures dei:LegalEntity, us-gaap:ConsolidationItems

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures

rnr:SubsidiaryIssuerThree, srt:ReportableLegalEntities


Investments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value15211517138413921426127912781249121512351141
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.94.94.55.15.45.04.95.16.57.27.5
Percentage of Assets rnr:SubsidiaryIssuerThree srt:ReportableLegalEntities101.6103.299.296.582.180.179.578.577.576.171.1

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures us-gaap:ConsolidatedEntities

srt:ParentCompany


Investments
Period End2020-12-312019-12-312018-12-312017-12-31
Value6757520444144105
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures444.1364.7363.1359.6
Percentage of Assets21.919.823.627.0
Percentage of Assets srt:ParentCompany84.781.482.283.6

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Investments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value7007367186410.00.00.00.00.00.00.0
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures46.048.551.946.00.00.00.00.00.00.00.0
Percentage of Assets2.32.42.42.30.00.00.00.00.00.00.0
Percentage of Assets srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities2.22.32.32.30.00.00.00.00.00.00.0

srt:ParentCompany, srt:ReportableLegalEntities


Investments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value67576493635550175204557956135039441445444105
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures444.1428.0458.9360.3364.7436.2439.2403.4363.1367.8359.6
Percentage of Assets21.920.920.918.319.821.821.520.523.626.627.0
Percentage of Assets srt:ParentCompany srt:ReportableLegalEntities84.783.181.980.881.484.084.782.582.286.483.6

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures us-gaap:ConsolidationItems

srt:ConsolidationEliminations


Investments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value-8980.04-8746.619-8459.041-7050.949-6679.345-6909.019-6953.403-6347.585-5688.596-5837.142-5283.633
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures-590.1-576.5-610.8-506.4-468.1-540.2-544.0-508.1-467.9-472.4-462.8
Percentage of Assets-29.1-28.2-27.8-25.7-25.4-26.9-26.7-25.8-30.5-34.1-34.7
Percentage of Assets srt:ConsolidationEliminations89.289.489.990.087.7115.7116.0116.3111.585.384.9

Goodwill

us-gaap:Goodwill us-gaap:BalanceSheetLocation

us-gaap:Goodwill

rnr:GoodwillAndOtherIntangibleAssets


Goodwillus-gaap:
Period End2020-12-312019-12-312018-12-31
Value211210197
Percentage of Goodwill100.0100.0100.0
Percentage of Assets0.70.81.1
Percentage of Assets rnr:GoodwillAndOtherIntangibleAssets0.00.00.0

Indefinite Lived Intangible Assets Excluding Goodwill

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill us-gaap:BalanceSheetLocation, us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill

rnr:GoodwillAndOtherIntangibleAssets, us-gaap:OtherIntangibleAssets


Indefinite
Period End2020-12-31
Value10
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwill100.0
Percentage of Assets0.0
Percentage of Assets rnr:GoodwillAndOtherIntangibleAssets us-gaap:OtherIntangibleAssets0.0

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees, us-gaap:OtherIntangibleAssets


Indefinite
Period End2020-12-31
Value9.145
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwill89.1
Percentage of Assets0.0
Percentage of Assets us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees us-gaap:OtherIntangibleAssets0.0

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

us-gaap:OtherIntangibleAssets


Indefinite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value192619101010
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwill189.10.00.00.00.00.0
Percentage of Assets0.10.10.10.10.10.1
Percentage of Assets us-gaap:OtherIntangibleAssets0.00.00.00.00.00.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value50655654658214182227
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.30.30.40.50.70.20.20.30.4

us-gaap:IntangibleAssetsNetExcludingGoodwill us-gaap:BalanceSheetLocation

rnr:GoodwillAndOtherIntangibleAssets


Intangible
Period End2020-12-312019-12-31
Value3851
Percentage of IntangibleAssetsNetExcludingGoodwill75.778.3
Percentage of Assets0.10.2
Percentage of Assets rnr:GoodwillAndOtherIntangibleAssets0.00.0

us-gaap:IntangibleAssetsNetExcludingGoodwill us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees


Intangible
Period End2020-12-312019-12-31
Value1214
Percentage of IntangibleAssetsNetExcludingGoodwill24.321.7
Percentage of Assets0.00.1
Percentage of Assets us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees0.00.0

us-gaap:IntangibleAssetsNetExcludingGoodwill us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CustomerRelationships


Intangible
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value31393743536212
Percentage of IntangibleAssetsNetExcludingGoodwill61.359.765.380.581.575.083.5
Percentage of Assets0.10.10.20.30.40.50.2
Percentage of Assets us-gaap:CustomerRelationships0.00.00.00.00.00.00.0

us-gaap:Trademarks


Intangible
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value0.3050.3290.3540.3790.4030.4270.451
Percentage of IntangibleAssetsNetExcludingGoodwill0.60.50.60.70.60.53.0
Percentage of Assets0.00.00.00.00.00.00.0
Percentage of Assets us-gaap:Trademarks0.00.00.00.00.00.00.0

us-gaap:IntangibleAssetsNetExcludingGoodwill us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

us-gaap:LicensingAgreements


Intangible
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value1926191010101.867
Percentage of IntangibleAssetsNetExcludingGoodwill38.139.834.118.815.712.412.5
Percentage of Assets0.10.10.10.10.10.10.0
Percentage of Assets us-gaap:LicensingAgreements0.00.00.00.00.00.00.0

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:BalanceSheetLocation, us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsNet

rnr:GoodwillAndOtherIntangibleAssets, us-gaap:OtherIntangibleAssets


Finite
Period End2020-12-31
Value28
Percentage of FiniteLivedIntangibleAssetsNet100.0
Percentage of Assets0.1
Percentage of Assets rnr:GoodwillAndOtherIntangibleAssets us-gaap:OtherIntangibleAssets0.0

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees, us-gaap:OtherIntangibleAssets


Finite
Period End2020-12-31
Value3.223
Percentage of FiniteLivedIntangibleAssetsNet11.4
Percentage of Assets0.0
Percentage of Assets us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees us-gaap:OtherIntangibleAssets0.0

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:OtherIntangibleAssets


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value313937354357
Percentage of FiniteLivedIntangibleAssetsNet111.40.00.00.00.00.0
Percentage of Assets0.10.20.20.20.40.5
Percentage of Assets us-gaap:OtherIntangibleAssets0.00.00.00.00.00.0

Intangible Assets Net Including Goodwill

us-gaap:IntangibleAssetsNetIncludingGoodwill

us-gaap:IntangibleAssetsNetIncludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value2462482492572582602622632652672372382402412432442462482512542582612652702752817.9027.9548.0078.0598.1118.9788.2828.3848.4868.894
Percentage of IntangibleAssetsNetIncludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.80.80.80.80.80.91.01.01.01.11.31.41.41.51.61.61.81.92.02.02.12.22.32.32.32.50.10.10.10.10.10.10.10.10.10.1

us-gaap:IntangibleAssetsNetIncludingGoodwill us-gaap:BalanceSheetLocation

rnr:GoodwillAndOtherIntangibleAssets


Intangible
Period End2020-12-312019-12-31
Value249262
Percentage of IntangibleAssetsNetIncludingGoodwill100.0100.0
Percentage of Assets0.81.0
Percentage of Assets rnr:GoodwillAndOtherIntangibleAssets0.00.0

us-gaap:IntangibleAssetsNetIncludingGoodwill us-gaap:ConsolidatedEntities

srt:ParentCompany


Intangible
Period End2020-12-312019-12-312018-12-312017-12-31
Value112116120124
Percentage of IntangibleAssetsNetIncludingGoodwill44.944.350.751.4
Percentage of Assets0.40.40.60.8
Percentage of Assets srt:ParentCompany1.41.82.22.5

us-gaap:IntangibleAssetsNetIncludingGoodwill us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Intangible
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value137144144144146145146147116117118
Percentage of IntangibleAssetsNetIncludingGoodwill55.156.155.955.755.755.555.455.349.349.148.6
Percentage of Assets0.40.50.50.50.60.60.60.60.60.70.8
Percentage of Assets srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities0.40.50.50.50.60.60.60.70.70.70.8

srt:ParentCompany, srt:ReportableLegalEntities


Intangible
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value112113114115116117118119120121124
Percentage of IntangibleAssetsNetIncludingGoodwill44.943.944.144.344.344.544.644.750.750.951.4
Percentage of Assets0.40.40.40.40.40.50.50.50.60.70.8
Percentage of Assets srt:ParentCompany srt:ReportableLegalEntities1.41.41.51.91.81.81.82.02.22.32.5

us-gaap:IntangibleAssetsNetIncludingGoodwill us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees


Intangible
Period End2020-12-312019-12-31
Value2224
Percentage of IntangibleAssetsNetIncludingGoodwill9.29.5
Percentage of Assets0.10.1
Percentage of Assets us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees0.00.0

Deferred Tax Assets Liabilities Net

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:DeferredTaxAssetsLiabilitiesNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value4943645680780.260.169-0.144-0.408-0.592
Percentage of DeferredTaxAssetsLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.30.40.60.70.00.0-0.0-0.0-0.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2020-12-312019-12-31
Value2942
Percentage of OperatingLeaseRightOfUseAsset100.0100.0
Percentage of Assets0.10.2

Equity Securities Fv Ni

us-gaap:EquitySecuritiesFvNi

us-gaap:EquitySecuritiesFvNi


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value577503702547470360436379273389310413388
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.81.62.31.81.51.31.71.51.01.61.72.42.5

us-gaap:EquitySecuritiesFvNi us-gaap:EquitySecuritiesByIndustry

rnr:BasicMaterialsSector


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value6.0517.8047.2636.3596.5965.0295.4565.1542.1815.0863.4784.2094.717
Percentage of EquitySecuritiesFvNi1.01.61.01.21.41.41.21.40.81.31.11.01.2
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets rnr:BasicMaterialsSector0.00.00.00.00.00.00.00.00.00.00.00.00.0

rnr:ConsumerSector


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value58454441443635341131202624
Percentage of EquitySecuritiesFvNi10.29.16.37.69.410.28.29.14.38.06.76.46.4
Percentage of Assets0.20.10.10.10.10.10.10.10.00.10.10.20.2
Percentage of Assets rnr:ConsumerSector0.00.00.00.00.00.00.00.00.00.00.00.00.0

rnr:ExchangeTradedFundsETFs


Equity
Period End2021-06-30
Value126
Percentage of EquitySecuritiesFvNi22.0
Percentage of Assets0.4
Percentage of Assets rnr:ExchangeTradedFundsETFs0.0

us-gaap:CommercialAndIndustrialSector


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value32484333383338361337243434
Percentage of EquitySecuritiesFvNi5.79.76.26.28.29.48.89.74.99.67.98.48.8
Percentage of Assets0.10.20.10.10.10.10.10.10.10.20.10.20.2
Percentage of Assets us-gaap:CommercialAndIndustrialSector0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FinancialServicesSector


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value227241452323228162248207211222200262253
Percentage of EquitySecuritiesFvNi39.448.064.459.148.745.256.854.677.457.164.663.465.3
Percentage of Assets0.70.71.51.00.80.60.90.80.80.91.11.51.7
Percentage of Assets us-gaap:FinancialServicesSector0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:HealthcareSector


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value32363533373229269.79126182521
Percentage of EquitySecuritiesFvNi5.67.25.06.18.09.16.86.93.66.96.16.15.5
Percentage of Assets0.10.10.10.10.10.10.10.10.00.10.10.10.1
Percentage of Assets us-gaap:HealthcareSector0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TechnologySector


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value931231191081148879702466426049
Percentage of EquitySecuritiesFvNi16.224.517.019.924.424.718.118.59.017.013.614.612.8
Percentage of Assets0.30.40.40.40.40.30.30.30.10.30.20.40.3
Percentage of Assets us-gaap:TechnologySector0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value577503702547470360436379273389310413388
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.81.62.31.81.51.31.71.51.01.61.72.42.5
Percentage of Assets us-gaap:FairValueInputsLevel1 us-gaap:FairValueMeasurementsRecurring0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value577503702547470360436379273389310413388
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.81.62.31.81.51.31.71.51.01.61.72.42.5
Percentage of Assets us-gaap:FairValueMeasurementsRecurring0.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Assets

us-gaap:OtherAssets

us-gaap:OtherAssets


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1963183633062983123463443443531351211221271211641761731751811601671862712572731351088996108113196193218215193205180176219176205172
Percentage of OtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.61.01.21.01.01.11.31.31.31.40.70.70.70.80.81.11.31.31.41.41.31.41.62.32.12.41.71.31.01.21.31.42.32.42.82.42.22.52.32.22.72.22.52.2

us-gaap:OtherAssets dei:LegalEntity, us-gaap:ConsolidationItems

rnr:SubsidiaryIssuerThree, srt:ReportableLegalEntities


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value13138.4479.93712295317313313367430
Percentage of OtherAssets3.74.52.83.23.585.992.188.7232.1301.8355.1
Percentage of Assets0.00.00.00.00.01.21.21.31.72.12.8
Percentage of Assets rnr:SubsidiaryIssuerThree srt:ReportableLegalEntities0.90.90.60.70.718.519.819.720.022.626.8

us-gaap:OtherAssets us-gaap:ConsolidatedEntities

srt:ParentCompany


Other
Period End2020-12-312019-12-312018-12-312017-12-31
Value932847458433
Percentage of OtherAssets256.7244.8339.6357.6
Percentage of Assets3.03.22.52.8
Percentage of Assets srt:ParentCompany11.713.28.58.8

us-gaap:OtherAssets us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value510400394300301-1806.661-1871.207-1793.255-1403.6368476
Percentage of OtherAssets140.5130.7132.296.087.1-524.3-542.5-507.2-1038.869.863.3
Percentage of Assets1.71.31.31.11.1-7.0-7.2-7.3-7.50.50.5
Percentage of Assets srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities1.61.31.31.11.2-7.8-7.9-8.1-8.50.50.5

srt:ParentCompany, srt:ReportableLegalEntities


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value932924848784847795805766458450433
Percentage of OtherAssets256.7301.7284.5251.0244.8230.9233.4216.7339.6369.8357.6
Percentage of Assets3.03.02.82.93.23.13.13.12.52.62.8
Percentage of Assets srt:ParentCompany srt:ReportableLegalEntities11.711.810.912.613.212.012.112.58.58.68.8

us-gaap:OtherAssets us-gaap:ConsolidationItems

srt:ConsolidationEliminations


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value-1092.477-1031.893-953.452-782.034-825.957104510791051743-800.59-840.768
Percentage of OtherAssets-300.8-336.9-319.5-250.2-238.6303.5312.9297.5550.4-657.7-693.6
Percentage of Assets-3.5-3.3-3.1-2.8-3.14.14.14.34.0-4.7-5.5
Percentage of Assets srt:ConsolidationEliminations10.810.610.110.010.8-17.5-18.0-19.3-14.611.713.5

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1137113611361135113511341384138313821191991990990989989989988945948951954957966969972826249349349549549300
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.53.53.73.73.74.15.35.45.34.95.35.85.86.26.56.67.27.17.77.57.67.98.48.18.17.33.04.34.36.96.73.8

us-gaap:LongTermDebt dei:LegalEntity, us-gaap:ConsolidationItems

rnr:SubsidiaryIssuerThree, srt:ReportableLegalEntities


Long
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value846772720721970843843843843842841
Percentage of LongTermDebt74.568.063.563.670.161.061.070.885.185.185.1
Percentage of Assets2.72.52.42.63.73.33.23.44.54.95.5
Percentage of Assets rnr:SubsidiaryIssuerThree srt:ReportableLegalEntities56.552.651.650.055.952.852.553.053.851.952.5

us-gaap:LongTermDebt dei:LegalEntity, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

rnr:DaVinciReHoldingsLtd., rnr:A4.750SeniorNotesDueMay12025, us-gaap:SeniorNotes


Long
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value148148148148148148148148148148147147147147147147147
Percentage of LongTermDebt13.113.113.113.113.110.710.710.712.414.914.914.914.914.914.914.915.5
Percentage of Assets0.50.50.50.50.50.60.60.60.60.80.90.90.91.01.01.11.2
Percentage of Assets rnr:DaVinciReHoldingsLtd. rnr:A4.750SeniorNotesDueMay12025 us-gaap:SeniorNotes0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

rnr:RenaissanceReFinanceInc., rnr:A3.450SeniorNotesDueJuly12027, us-gaap:SeniorNotes


Long
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value2962962962962962962962962952952952952952952952950.0
Percentage of LongTermDebt26.126.126.126.126.121.421.421.424.829.829.829.829.829.829.829.80.0
Percentage of Assets0.91.01.01.01.11.11.21.11.21.61.71.71.91.92.02.20.0
Percentage of Assets rnr:RenaissanceReFinanceInc. rnr:A3.450SeniorNotesDueJuly12027 us-gaap:SeniorNotes0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

rnr:RenaissanceReFinanceInc., rnr:A3.600SeniorNotesDue2029, us-gaap:SeniorNotes


Long
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value3923923923913913913913910.0
Percentage of LongTermDebt34.534.534.534.534.528.328.328.30.0
Percentage of Assets1.21.31.31.31.41.51.51.50.0
Percentage of Assets rnr:RenaissanceReFinanceInc. rnr:A3.600SeniorNotesDue2029 us-gaap:SeniorNotes0.00.00.00.00.00.00.00.00.0

rnr:RenaissanceReFinanceInc., rnr:A3.700SeniorNotesDueApril12025, us-gaap:SeniorNotes


Long
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value298298298298298298297297297297297
Percentage of LongTermDebt26.326.326.326.326.321.521.521.525.030.030.0
Percentage of Assets0.91.01.01.01.11.11.21.11.21.62.0
Percentage of Assets rnr:RenaissanceReFinanceInc. rnr:A3.700SeniorNotesDueApril12025 us-gaap:SeniorNotes0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LongTermDebt us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Long
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value9861003972711148148148148148147147
Percentage of LongTermDebt86.888.485.662.710.710.710.712.414.914.914.9
Percentage of Assets3.23.23.22.60.60.60.60.60.80.91.0
Percentage of Assets srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities3.13.23.22.60.60.60.60.70.90.91.0

srt:ParentCompany, srt:ReportableLegalEntities


Long
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value392392391483391691691500300352417
Percentage of LongTermDebt34.534.534.542.628.350.050.042.030.335.542.1
Percentage of Assets1.31.31.31.81.52.72.62.01.62.12.7
Percentage of Assets srt:ParentCompany srt:ReportableLegalEntities4.95.05.17.86.110.410.48.25.66.78.5

us-gaap:LongTermDebt us-gaap:ConsolidationItems

srt:ConsolidationEliminations


Long
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value-1089.012-1032.416-949.753-781.415-125.974-300.0-300.0-300.0-300.0-352.0-417.0
Percentage of LongTermDebt-95.8-90.9-83.7-68.9-9.1-21.7-21.7-25.2-30.3-35.5-42.1
Percentage of Assets-3.5-3.3-3.1-2.8-0.5-1.2-1.1-1.2-1.6-2.1-2.7
Percentage of Assets srt:ConsolidationEliminations10.810.610.110.01.75.05.05.55.95.16.7

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-31
Value7379000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0
Percentage of Assets0.0

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-31
Value4107000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0
Percentage of Assets0.0

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-31
Value2987000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0
Percentage of Assets0.0

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value2864000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets0.0

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value8767000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets0.0

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2020-12-312019-12-31
Value2942
Percentage of OperatingLeaseLiability100.0100.0
Percentage of Assets0.10.2

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-31
Value34
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0
Percentage of Assets0.1

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value72177078756073907347568359715951591255545045488648604436439144034955486048664807470347604732469748364782386537353835376239043710356835633503383838433794360535473515349939363840
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets22.122.024.523.824.120.722.723.222.722.627.028.628.527.928.829.336.236.539.438.037.539.240.939.540.142.447.144.745.046.147.744.442.144.044.243.742.945.446.543.743.043.748.448.5

us-gaap:StockholdersEquity dei:LegalEntity, us-gaap:ConsolidationItems

rnr:SubsidiaryIssuerThree, srt:ReportableLegalEntities


Stockholders
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value649686667592650642640625608641656
Percentage of StockholdersEquity8.69.39.110.410.910.810.811.312.113.114.9
Percentage of Assets2.12.22.22.22.52.52.52.53.33.84.3
Percentage of Assets rnr:SubsidiaryIssuerThree srt:ReportableLegalEntities43.446.747.841.037.440.239.939.338.839.540.9

us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-31
Value7560597150454391
Percentage of StockholdersEquity100.0100.0100.0100.0
Percentage of Assets24.522.727.028.8
Percentage of Assets srt:ParentCompany94.893.494.089.5

us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Stockholders
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value54115063555852456429465046334102379754134688
Percentage of StockholdersEquity71.668.575.792.3107.778.278.473.975.3110.8106.8
Percentage of Assets17.616.318.219.124.418.117.816.720.331.730.8
Percentage of Assets srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities17.216.118.119.025.220.119.718.622.932.332.0

srt:ParentCompany, srt:ReportableLegalEntities


Stockholders
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value75607390734756835971595159125554504548864391
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets24.523.824.120.722.723.222.722.627.028.628.8
Percentage of Assets srt:ParentCompany srt:ReportableLegalEntities94.894.694.791.593.489.689.290.994.092.989.5

us-gaap:StockholdersEquity us-gaap:ConsolidationItems

srt:ConsolidationEliminations


Stockholders
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value-6060.666-5750.112-6225.724-5837.314-7374.145-5579.736-5571.42-5017.757-4689.052-6343.737-5623.338
Percentage of StockholdersEquity-80.2-77.8-84.7-102.7-123.5-93.8-94.2-90.3-92.9-129.8-128.1
Percentage of Assets-19.7-18.6-20.4-21.3-28.0-21.8-21.4-20.4-25.1-37.1-36.9
Percentage of Assets srt:ConsolidationEliminations60.258.866.174.596.893.493.092.091.992.790.4

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value-14.061-12.382-12.642-2.083-3.066-1.664-1.9394.988-3.869-1.47-1.433-1.483-1.1010.1940.2240.161-0.139-0.3581.1332.6212.3371.6652.1082.262.9933.3423.4163.8293.9183.9634.1314.5664.9096.051314121211111819194175
Percentage of StockholdersEquity-0.2-0.2-0.2-0.0-0.0-0.0-0.00.1-0.1-0.0-0.0-0.0-0.00.00.00.0-0.0-0.00.00.10.00.00.00.00.10.10.10.10.10.10.10.10.10.20.40.40.30.30.30.30.50.60.51.10.0
Percentage of Assets-0.0-0.0-0.0-0.0-0.0-0.0-0.00.0-0.0-0.0-0.0-0.0-0.00.00.00.0-0.0-0.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.20.20.10.20.20.10.20.20.20.50.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value115314501623161516025025685605525432964235383732671312162132424225075517507540.00.00.00.00.00.00.00.00.00.00.00.3790.09.3315.7680.00.00.00.0
Percentage of StockholdersEquity16.020.521.521.921.88.89.59.49.39.85.90.90.70.90.90.71.42.74.44.45.28.910.711.715.515.80.00.00.00.00.00.00.00.00.00.00.00.00.00.30.20.00.00.00.0
Percentage of Assets3.54.55.35.25.31.82.22.22.12.21.60.20.20.20.20.20.51.01.81.71.93.54.44.66.26.70.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value484950505044444444444240404040404040414141434344464638384040434444444548505151515151546161
Percentage of StockholdersEquity0.70.70.70.70.70.80.70.70.70.80.80.80.80.90.90.90.80.80.80.90.90.90.90.91.01.01.01.01.11.11.11.21.21.21.31.31.31.41.41.51.51.51.41.60.0
Percentage of Assets0.10.20.20.20.20.20.20.20.20.20.20.20.20.30.30.30.30.30.30.30.30.40.40.40.40.40.50.50.50.50.50.50.50.50.60.50.60.60.70.60.60.60.70.80.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:PreferredStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value525525525525525525650650650650650650650400400400400400400400400400400400400400400400400400400400400400400550550550550550550550550650650
Percentage of StockholdersEquity7.37.46.97.17.19.210.910.911.011.712.913.313.49.09.19.18.18.28.28.38.58.48.58.58.38.410.310.710.410.610.210.811.211.211.414.314.314.515.315.515.615.714.016.90.0
Percentage of Assets1.61.61.71.71.71.92.52.52.52.63.53.83.82.52.62.72.93.03.23.23.23.33.53.43.33.54.94.84.74.94.94.84.74.95.06.36.16.67.16.86.76.96.88.20.0
Percentage of Assets us-gaap:PreferredStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value550450655373520151714613471046914670431740584155413539573913392944474289420741504016389337783699363735773423329333913317345632613119311230433226322931792991292528892878331230872245
Percentage of StockholdersEquity76.371.671.170.470.481.278.978.879.077.780.485.085.189.289.189.389.888.286.586.385.481.879.978.875.274.888.688.188.488.288.587.987.487.486.984.184.083.883.082.582.282.284.180.40.0
Percentage of Assets16.815.717.416.817.016.817.918.317.917.621.724.324.324.925.726.132.532.234.132.832.032.032.731.130.231.741.739.439.840.642.339.036.838.438.436.736.038.138.636.035.435.940.739.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value4849505050444444444442404040404040404141414343444646383840404344444445485051515151515461
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.20.20.20.20.20.20.20.20.20.20.20.20.30.30.30.30.30.30.30.30.40.40.40.40.40.50.50.50.50.50.50.50.50.60.50.60.60.70.60.60.60.70.8

us-gaap:CommonStockValue us-gaap:ConsolidatedEntities

srt:ParentCompany


Common
Period End2020-12-312019-12-312018-12-312017-12-31
Value50444240
Percentage of CommonStockValue100.0100.0100.0100.0
Percentage of Assets0.20.20.20.3
Percentage of Assets srt:ParentCompany0.60.70.80.8

Additional Paid In Capital

us-gaap:AdditionalPaidInCapital

us-gaap:AdditionalPaidInCapital


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312012-03-312011-12-31
Value115314501623161516025025685605525432964235383732671312162132424225075517507540.00.3790.0
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0
Percentage of Assets3.54.55.35.25.31.82.22.22.12.21.60.20.20.20.20.20.51.01.81.71.93.54.44.66.26.70.00.00.0

us-gaap:AdditionalPaidInCapital us-gaap:ConsolidatedEntities

srt:ParentCompany


Additional
Period End2020-12-312019-12-312018-12-312017-12-31
Value162356829637
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0
Percentage of Assets5.32.21.60.2
Percentage of Assets srt:ParentCompany20.48.95.50.8

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value55045065537352015171461347104691467043174058415541353957391339294447428942074150401638933778369936373577342332933391331734563261311931123043322632293179299129252889287833123087
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets16.815.717.416.817.016.817.918.317.917.621.724.324.324.925.726.132.532.234.132.832.032.032.731.130.231.741.739.439.840.642.339.036.838.438.436.736.038.138.636.035.435.940.739.0

us-gaap:RetainedEarningsAccumulatedDeficit us-gaap:ConsolidatedEntities

srt:ParentCompany


Retained
Period End2020-12-312019-12-312018-12-312017-12-31
Value5373471040583913
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0
Percentage of Assets17.417.921.725.7
Percentage of Assets srt:ParentCompany67.473.775.679.7

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value-14.061-12.382-12.642-2.083-3.066-1.664-1.9394.988-3.869-1.47-1.433-1.483-1.1010.1940.2240.161-0.139-0.3581.1332.6212.3371.6652.1082.262.9933.3423.4163.8293.9183.9634.1314.5664.9096.0513141212111118191941
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.0-0.0-0.0-0.0-0.0-0.0-0.00.0-0.0-0.0-0.0-0.0-0.00.00.00.0-0.0-0.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.20.20.10.20.20.10.20.20.20.5

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:ConsolidatedEntities

srt:ParentCompany


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-31
Value-12.642-1.939-1.4330.224
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0
Percentage of Assets-0.0-0.0-0.00.0
Percentage of Assets srt:ParentCompany-0.2-0.0-0.00.0

Stock Issued During Period Value New Issues

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueNewIssues

us-gaap:AdditionalPaidInCapital


Stock
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.0-0.04210880.00.00.00.02482480.00.00.0
Percentage of StockIssuedDuringPeriodValueNewIssues0.0100.0100.00.00.00.00.0100.0100.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stock
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.00.06.7770.00.00.00.01.7391.9470.00.00.0
Percentage of StockIssuedDuringPeriodValueNewIssues0.0-0.00.60.00.00.00.00.70.80.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value128206662472381475872480406377333539386-37.34942428011922199252126-9.70725219189-118.6052672201264640920848128181231132171-28.55316337-6.297-1.72120757230
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues8.724.047.535.524.653.079.045.732.946.760.885.780.6-8.986.344.223.746.828.257.126.3-2.266.953.522.4-31.183.882.638.313.6101.253.219.337.452.059.442.748.0-13.775.013.3-1.6-0.954.418.966.0

us-gaap:NetCashProvidedByUsedInOperatingActivities dei:LegalEntity, us-gaap:ConsolidationItems

rnr:SubsidiaryIssuerThree, srt:ReportableLegalEntities


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-11.167-6.015-20.91-21.0683972.649-12.39-21.2024648-9.156-23.449-4.797
Percentage of NetCashProvidedByUsedInOperatingActivities-1.7-1.3-5.5-4.445.60.6-3.0-5.613.99.0-2.462.8-1.1
Percentage of Revenues-0.8-0.5-1.4-2.436.00.3-1.0-2.68.57.7-1.9-5.6-1.0
Percentage of Revenues rnr:SubsidiaryIssuerThree srt:ReportableLegalEntities-3084.8-395.2-2201.1-1517.916206.882.2-447.1-676.51395.82775.8-544.0-1072.7-408.6

us-gaap:NetCashProvidedByUsedInOperatingActivities us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value67546740148993500461713285489395-7.684426
Percentage of NetCashProvidedByUsedInOperatingActivities101.998.8105.1103.010.7104.3113.3189.285.790.7102.320.6100.5
Percentage of Revenues48.435.125.954.68.547.737.288.452.177.782.5-1.886.7
Percentage of Revenues srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities48.635.226.052.28.847.337.489.851.578.282.9-1.887.2

srt:ParentCompany, srt:ReportableLegalEntities


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-1.596111.3416.839378-21.809-42.403-317.296-3.791.314-0.308-6.8752.761
Percentage of NetCashProvidedByUsedInOperatingActivities-0.22.50.41.443.4-4.5-10.4-84.1-1.10.2-0.118.40.7
Percentage of Revenues-0.10.90.10.834.3-2.1-3.4-39.3-0.70.2-0.1-1.60.6
Percentage of Revenues srt:ParentCompany srt:ReportableLegalEntities-9.573.74.2-38.9896.01669.9-464.3-3419.9-49.020.6-5.2-128.053.8

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value581-463.131-249.87-327.257-1197.28-530.282-649.88-261.79-1460.932-616.042-472.308-642.373-717.213-704.71972-252.39866-28.896-190.26-149.82974101-183.627155-372.4176213-80.794-92.106301-308.84-165.787-60.761219271-62.821-90.577-189.97352-139.289101299145-121.423108-24.145
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues39.4-53.7-17.9-24.6-77.3-59.2-58.8-24.9-118.0-76.3-86.2-102.0-149.7-168.614.7-39.813.1-6.1-53.8-33.915.422.6-48.743.3-93.716.24.2-30.3-27.887.7-76.2-42.3-24.064.078.0-16.1-29.2-53.325.4-63.936.177.477.9-31.835.4-6.9

us-gaap:NetCashProvidedByUsedInInvestingActivities dei:LegalEntity, us-gaap:ConsolidationItems

rnr:SubsidiaryIssuerThree, srt:ReportableLegalEntities


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value168.76613278-392.47-3.7811017-41.219-49.1721223-1.397
Percentage of NetCashProvidedByUsedInInvestingActivities-6.5-2.7-1.1-52.560.41.4-0.8-2.88.77.7-1.8-3.3-1.9
Percentage of Revenues1.20.70.931.1-35.5-0.40.92.2-7.5-7.82.75.5-0.3
Percentage of Revenues rnr:SubsidiaryIssuerThree srt:ReportableLegalEntities4488.1576.01388.920059.5-15986.6-117.3396.9556.7-1238.6-2797.0756.11059.2-119.0

us-gaap:NetCashProvidedByUsedInInvestingActivities us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-314.079-354.691-141.041-1000.69172-305.554-1343.829-779.074-207.279-615.766-500.439-753.39554
Percentage of NetCashProvidedByUsedInInvestingActivities125.7108.411.8188.7-11.2116.792.0126.543.995.969.8106.975.3
Percentage of Revenues-22.5-26.6-9.1-111.76.6-29.1-108.5-96.5-37.8-97.8-104.4-180.211.1
Percentage of Revenues srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities-22.6-26.8-9.2-106.66.8-28.8-109.1-98.0-37.4-98.5-104.9-179.911.2

srt:ParentCompany, srt:ReportableLegalEntities


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value4718-1069.434191-333.25246-127.597147-222.28522-228.8612619
Percentage of NetCashProvidedByUsedInInvestingActivities-19.2-5.789.3-36.251.3-17.68.7-23.947.1-3.531.9-3.726.7
Percentage of Revenues3.41.4-69.121.4-30.24.4-10.318.3-40.63.6-47.86.33.9
Percentage of Revenues srt:ParentCompany srt:ReportableLegalEntities286.6118.5-3365.9-1091.6-788.6-3534.1-1397.11589.2-2872.3358.0-3851.6488.2376.4

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-206.114-193.57932-45.2531107-429.617287-23.2237031527958.60123526284-73.974-21.233-160.81524-64.301-191.881-154.42-86.896-215.88812197-60.624-140.681-65.2-428.17312-34.24-35.26-341.54-377.024-187.126-36.29561-41.738-24.777-154.771-320.95-163.827-24.221-240.521-103.023
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-14.0-22.52.4-3.471.5-47.926.0-2.256.818.9145.21.449.16.458.0-11.7-4.2-34.16.8-14.5-39.7-34.5-23.0-60.330.525.6-19.0-52.8-19.7-124.63.0-8.7-13.9-99.5-108.2-47.9-11.717.4-20.0-11.4-55.1-82.8-87.6-6.3-78.5-29.5

us-gaap:NetCashProvidedByUsedInFinancingActivities dei:LegalEntity, us-gaap:ConsolidationItems

rnr:SubsidiaryIssuerThree, srt:ReportableLegalEntities


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value0.00.00.0-250.00.00.00.00.00.00.00.00.00.0
Percentage of NetCashProvidedByUsedInFinancingActivities0.0-0.00.058.20.0-0.00.00.00.00.00.00.00.0
Percentage of Revenues0.00.00.0-27.90.00.00.00.00.00.00.00.00.0
Percentage of Revenues rnr:SubsidiaryIssuerThree srt:ReportableLegalEntities0.00.00.0-18011.50.00.00.00.00.00.00.00.00.0

us-gaap:NetCashProvidedByUsedInFinancingActivities us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value59-20.17936423111.22531-16.847569311152304
Percentage of NetCashProvidedByUsedInFinancingActivities182.244.63.3-9.9108.4-5.375.5-11.071.6366.15.0196.1106.9
Percentage of Revenues4.3-1.52.44.828.10.142.9-2.1104.05.02.512.662.0
Percentage of Revenues srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities4.3-1.52.44.529.20.143.1-2.1102.75.02.512.662.3

srt:ParentCompany, srt:ReportableLegalEntities


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-27.06-25.0741070-222.216-24.034-24.443172169225-22.886223-25.853-19.786
Percentage of NetCashProvidedByUsedInFinancingActivities-82.255.496.751.7-8.4105.324.5111.028.4-266.195.0-96.1-6.9
Percentage of Revenues-1.9-1.969.1-24.8-2.2-2.313.921.041.2-3.646.6-6.2-4.0
Percentage of Revenues srt:ParentCompany srt:ReportableLegalEntities-161.7-159.13369.21263.5-56.91871.61884.71825.72918.7-359.33761.7-481.3-385.6

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value503-450.152449101289-482.852507200-350.649-86.647654-95.431
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues34.1-52.232.27.618.7-53.945.919.1-28.3-10.7119.5-15.2

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect dei:LegalEntity, us-gaap:ConsolidationItems

rnr:SubsidiaryIssuerThree, srt:ReportableLegalEntities


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value5.082.751-7.7157.3585.407-1.132-1.392-3.7565.232-0.373
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect1.12.7-2.7-1.51.1-0.60.44.30.80.4
Percentage of Revenues0.40.2-0.50.80.5-0.1-0.1-0.51.0-0.1
Percentage of Revenues rnr:SubsidiaryIssuerThree srt:ReportableLegalEntities1403.3180.7-812.1530.1220.2-35.1-50.2-119.8157.2-21.2

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value42593294-466.816475201-351.709-82.427646-96.334
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect94.692.3101.896.793.6100.6100.395.198.7100.9
Percentage of Revenues30.57.019.0-52.143.019.2-28.4-10.2118.0-15.3
Percentage of Revenues srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities30.67.119.1-49.744.619.0-28.5-10.4116.6-15.4

srt:ParentCompany, srt:ReportableLegalEntities


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value195.0572.4-23.39421-0.0972.126-0.464-0.21.232
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect4.35.00.84.84.2-0.0-0.60.5-0.0-1.3
Percentage of Revenues1.40.40.2-2.61.9-0.00.2-0.1-0.00.2
Percentage of Revenues srt:ParentCompany srt:ReportableLegalEntities115.432.17.6133.050.57.423.3-5.0-2.619.3

Increase Decrease In Other Operating Capital Net

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value105423-445.711-49.127-89.004405-528.463-44.16916304-369.775-18.495-20.892632-500.667-100.1413.29659-55.622-20.202-19.30710-121.542-3.886-36.276158-145.413-23.80724215-209.26724-25.51449-58.0641376-26.02-28.72-42.8253942-1.476-9.2264.272.256
Percentage of IncreaseDecreaseInOtherOperatingCapitalNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value128206662472381475872480406377333539386-37.34942428011922199252126-9.70725219189-118.6052672201264640920848128181231132171-28.55316337-6.297-1.72120757230
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues8.724.047.535.524.653.079.045.732.946.760.885.780.6-8.986.344.223.746.828.257.126.3-2.266.953.522.4-31.183.882.638.313.6101.253.219.337.452.059.442.748.0-13.775.013.3-1.6-0.954.418.966.0

us-gaap:NetCashProvidedByUsedInOperatingActivities dei:LegalEntity, us-gaap:ConsolidationItems

rnr:SubsidiaryIssuerThree, srt:ReportableLegalEntities


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-11.167-6.015-20.91-21.0683972.649-12.39-21.2024648-9.156-23.449-4.797
Percentage of NetCashProvidedByUsedInOperatingActivities-1.7-1.3-5.5-4.445.60.6-3.0-5.613.99.0-2.462.8-1.1
Percentage of Revenues-0.8-0.5-1.4-2.436.00.3-1.0-2.68.57.7-1.9-5.6-1.0
Percentage of Revenues rnr:SubsidiaryIssuerThree srt:ReportableLegalEntities-3084.8-395.2-2201.1-1517.916206.882.2-447.1-676.51395.82775.8-544.0-1072.7-408.6

us-gaap:NetCashProvidedByUsedInOperatingActivities us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value67546740148993500461713285489395-7.684426
Percentage of NetCashProvidedByUsedInOperatingActivities101.998.8105.1103.010.7104.3113.3189.285.790.7102.320.6100.5
Percentage of Revenues48.435.125.954.68.547.737.288.452.177.782.5-1.886.7
Percentage of Revenues srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities48.635.226.052.28.847.337.489.851.578.282.9-1.887.2

srt:ParentCompany, srt:ReportableLegalEntities


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-1.596111.3416.839378-21.809-42.403-317.296-3.791.314-0.308-6.8752.761
Percentage of NetCashProvidedByUsedInOperatingActivities-0.22.50.41.443.4-4.5-10.4-84.1-1.10.2-0.118.40.7
Percentage of Revenues-0.10.90.10.834.3-2.1-3.4-39.3-0.70.2-0.1-1.60.6
Percentage of Revenues srt:ParentCompany srt:ReportableLegalEntities-9.573.74.2-38.9896.01669.9-464.3-3419.9-49.020.6-5.2-128.053.8

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value464-283.64519755583-72.9184245377282-74.71742197622.143-499.2171769775152141133978178173176731261562741853419650189151210905833-239.283132215220175
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues31.4-32.914.14.137.7-8.13.94.430.435.1-13.66.741.214.90.4-78.635.020.721.234.429.429.825.922.619.845.455.327.538.245.667.747.313.657.314.448.548.659.043.426.611.9-61.771.156.472.150.3

us-gaap:NetIncomeLoss dei:LegalEntity, us-gaap:ConsolidationItems

rnr:SubsidiaryIssuerThree, srt:ReportableLegalEntities


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-37.0341975-57.3827.8460.8691516-33.197-1.4867.422-20.134-26.657-27.145
Percentage of NetIncomeLoss-18.834.612.978.718.31.94.15.944.4-3.53.8-32.3-1243.95.4
Percentage of Revenues-2.71.44.8-6.40.70.11.22.1-6.1-0.21.5-4.8-5.4-4.3
Percentage of Revenues rnr:SubsidiaryIssuerThree srt:ReportableLegalEntities-10230.41252.07901.9-4134.1319.627.0551.7534.2-997.5-84.5441.0-921.0-2270.6-1906.2

us-gaap:NetIncomeLoss us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value108435781.105-30.03395428324-31.12482147637-488.369
Percentage of NetIncomeLoss54.979.099.2-1.5-69.9207.3113.8114.941.7113.4108.7123.21735.597.8
Percentage of Revenues7.83.337.40.1-2.79.134.640.3-5.77.644.818.47.6-76.9
Percentage of Revenues srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities7.83.337.60.1-2.89.034.840.9-5.67.745.018.37.6-77.3

srt:ParentCompany, srt:ReportableLegalEntities


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value19755583-72.9184245377282-74.71742197622.143-499.217
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues14.14.137.7-8.13.94.430.435.1-13.66.741.214.90.4-78.6
Percentage of Revenues srt:ParentCompany srt:ReportableLegalEntities1177.8349.61835.3414.6101.7-3513.64128.43049.2-965.5665.63321.81160.141.8-8554.1

us-gaap:NetIncomeLoss us-gaap:ConsolidationItems

srt:ConsolidationEliminations


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-71.258-62.588-653.6515615-98.854-451.225-349.44369-53.27-224.47-56.8963.96512
Percentage of NetIncomeLoss-36.2-113.6-112.1-77.235.3-215.4-119.7-123.5-93.5-125.7-113.7-91.3184.8-102.7
Percentage of Revenues-5.1-4.7-42.26.31.4-9.4-36.4-43.312.7-8.5-46.8-13.60.880.8
Percentage of Revenues srt:ConsolidationEliminations654.0593.32657.0-213.8-133.0784.63653.93970.0-784.2634.32949.3747.5-52.0-7668.8

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value577-330.495191747012540107448353-123.98648251922.199-703.494214132911881721781251129021322010316219932822948235592401842631156355-324.775149252272186
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues39.1-38.313.75.645.32.83.610.336.243.8-22.67.852.622.10.4-110.842.428.025.842.535.739.833.431.322.955.869.239.049.058.081.158.719.168.617.261.659.574.055.628.919.7-83.879.966.289.053.3

us-gaap:ProfitLoss dei:LegalEntity, us-gaap:ConsolidationItems

rnr:SubsidiaryIssuerThree, srt:ReportableLegalEntities


Profit
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-37.0341975-57.3827.8460.8691516-33.197-1.4867.422-20.134-26.657-27.145
Percentage of ProfitLoss-19.325.610.7-228.019.40.83.44.726.8-3.02.9-21.8-1212.23.9
Percentage of Revenues-2.71.44.8-6.40.70.11.22.1-6.1-0.21.5-4.8-5.4-4.3
Percentage of Revenues rnr:SubsidiaryIssuerThree srt:ReportableLegalEntities-10230.41252.07901.9-4134.1319.627.0551.7534.2-997.5-84.5441.0-921.0-2270.6-1906.2

us-gaap:ProfitLoss us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Profit
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1026269799-32.655157500395-80.3895426910637-692.646
Percentage of ProfitLoss53.784.599.4394.1-80.9145.6111.6111.964.8111.6106.8115.71693.898.5
Percentage of Revenues7.44.745.011.1-3.015.040.449.0-14.78.756.125.57.6-109.1
Percentage of Revenues srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities7.44.745.310.6-3.114.840.649.7-14.58.756.425.57.6-109.7

srt:ParentCompany, srt:ReportableLegalEntities


Profit
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value19755583-72.9184245377282-74.71742197622.143-499.217
Percentage of ProfitLoss102.974.183.1-289.7106.542.584.080.160.386.878.467.697.571.0
Percentage of Revenues14.14.137.7-8.13.94.430.435.1-13.66.741.214.90.4-78.6
Percentage of Revenues srt:ParentCompany srt:ReportableLegalEntities1177.8349.61835.3414.6101.7-3513.64128.43049.2-965.5665.63321.81160.141.8-8554.1

us-gaap:ProfitLoss us-gaap:ConsolidationItems

srt:ConsolidationEliminations


Profit
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-71.258-62.588-653.6515615-98.854-451.225-349.44369-53.27-224.47-56.8963.96512
Percentage of ProfitLoss-37.2-84.1-93.1223.637.6-91.6-100.5-99.0-56.4-109.1-89.1-61.7180.1-72.9
Percentage of Revenues-5.1-4.7-42.26.31.4-9.4-36.4-43.312.7-8.5-46.8-13.60.880.8
Percentage of Revenues srt:ConsolidationEliminations654.0593.32657.0-213.8-133.0784.63653.93970.0-784.2634.32949.3747.5-52.0-7668.8

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value581-463.131-249.87-327.257-1197.28-530.282-649.88-261.79-1460.932-616.042-472.308-642.373-717.213-704.71972-252.39866-28.896-190.26-149.82974101-183.627155-372.4176213-80.794-92.106301-308.84-165.787-60.761219271-62.821-90.577-189.97352-139.289101299145-121.423108-24.145
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues39.4-53.7-17.9-24.6-77.3-59.2-58.8-24.9-118.0-76.3-86.2-102.0-149.7-168.614.7-39.813.1-6.1-53.8-33.915.422.6-48.743.3-93.716.24.2-30.3-27.887.7-76.2-42.3-24.064.078.0-16.1-29.2-53.325.4-63.936.177.477.9-31.835.4-6.9

us-gaap:NetCashProvidedByUsedInInvestingActivities dei:LegalEntity, us-gaap:ConsolidationItems

rnr:SubsidiaryIssuerThree, srt:ReportableLegalEntities


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value168.76613278-392.47-3.7811017-41.219-49.1721223-1.397
Percentage of NetCashProvidedByUsedInInvestingActivities-6.5-2.7-1.1-52.560.41.4-0.8-2.88.77.7-1.8-3.3-1.9
Percentage of Revenues1.20.70.931.1-35.5-0.40.92.2-7.5-7.82.75.5-0.3
Percentage of Revenues rnr:SubsidiaryIssuerThree srt:ReportableLegalEntities4488.1576.01388.920059.5-15986.6-117.3396.9556.7-1238.6-2797.0756.11059.2-119.0

us-gaap:NetCashProvidedByUsedInInvestingActivities us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-314.079-354.691-141.041-1000.69172-305.554-1343.829-779.074-207.279-615.766-500.439-753.39554
Percentage of NetCashProvidedByUsedInInvestingActivities125.7108.411.8188.7-11.2116.792.0126.543.995.969.8106.975.3
Percentage of Revenues-22.5-26.6-9.1-111.76.6-29.1-108.5-96.5-37.8-97.8-104.4-180.211.1
Percentage of Revenues srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities-22.6-26.8-9.2-106.66.8-28.8-109.1-98.0-37.4-98.5-104.9-179.911.2

srt:ParentCompany, srt:ReportableLegalEntities


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value4718-1069.434191-333.25246-127.597147-222.28522-228.8612619
Percentage of NetCashProvidedByUsedInInvestingActivities-19.2-5.789.3-36.251.3-17.68.7-23.947.1-3.531.9-3.726.7
Percentage of Revenues3.41.4-69.121.4-30.24.4-10.318.3-40.63.6-47.86.33.9
Percentage of Revenues srt:ParentCompany srt:ReportableLegalEntities286.6118.5-3365.9-1091.6-788.6-3534.1-1397.11589.2-2872.3358.0-3851.6488.2376.4

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-206.114-193.57932-45.2531107-429.617287-23.2237031527958.60123526284-73.974-21.233-160.81524-64.301-191.881-154.42-86.896-215.88812197-60.624-140.681-65.2-428.17312-34.24-35.26-341.54-377.024-187.126-36.29561-41.738-24.777-154.771-320.95-163.827-24.221-240.521-103.023
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-14.0-22.52.4-3.471.5-47.926.0-2.256.818.9145.21.449.16.458.0-11.7-4.2-34.16.8-14.5-39.7-34.5-23.0-60.330.525.6-19.0-52.8-19.7-124.63.0-8.7-13.9-99.5-108.2-47.9-11.717.4-20.0-11.4-55.1-82.8-87.6-6.3-78.5-29.5

us-gaap:NetCashProvidedByUsedInFinancingActivities dei:LegalEntity, us-gaap:ConsolidationItems

rnr:SubsidiaryIssuerThree, srt:ReportableLegalEntities


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value0.00.00.0-250.00.00.00.00.00.00.00.00.00.0
Percentage of NetCashProvidedByUsedInFinancingActivities0.0-0.00.058.20.0-0.00.00.00.00.00.00.00.0
Percentage of Revenues0.00.00.0-27.90.00.00.00.00.00.00.00.00.0
Percentage of Revenues rnr:SubsidiaryIssuerThree srt:ReportableLegalEntities0.00.00.0-18011.50.00.00.00.00.00.00.00.00.0

us-gaap:NetCashProvidedByUsedInFinancingActivities us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value59-20.17936423111.22531-16.847569311152304
Percentage of NetCashProvidedByUsedInFinancingActivities182.244.63.3-9.9108.4-5.375.5-11.071.6366.15.0196.1106.9
Percentage of Revenues4.3-1.52.44.828.10.142.9-2.1104.05.02.512.662.0
Percentage of Revenues srt:NonGuarantorSubsidiaries srt:ReportableLegalEntities4.3-1.52.44.529.20.143.1-2.1102.75.02.512.662.3

srt:ParentCompany, srt:ReportableLegalEntities


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-27.06-25.0741070-222.216-24.034-24.443172169225-22.886223-25.853-19.786
Percentage of NetCashProvidedByUsedInFinancingActivities-82.255.496.751.7-8.4105.324.5111.028.4-266.195.0-96.1-6.9
Percentage of Revenues-1.9-1.969.1-24.8-2.2-2.313.921.041.2-3.646.6-6.2-4.0
Percentage of Revenues srt:ParentCompany srt:ReportableLegalEntities-161.7-159.13369.21263.5-56.91871.61884.71825.72918.7-359.33761.7-481.3-385.6

Payments Of Dividends Common Stock

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsOfDividendsCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value17171717171514151414131313131212121312121213131313131111111112121212121313131313131313131314
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfDividendsCommonStock us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:ParentCompany, srt:ReportableLegalEntities


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value17171715141514141313131312
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3091710.00.00.0620.00.00.00.00.00.00.04265800.04417985621960.290.4463916051262661810111205167863.635160.00.0174370.0207203
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.00.00.00.0100.00.00.00.00.00.00.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.00.0100.0100.0

us-gaap:PaymentsForRepurchaseOfCommonStock us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:ParentCompany, srt:ReportableLegalEntities


Payments
Period End2020-12-312020-09-302020-06-302020-03-312017-12-31
Value0.00.00.0620.0
Percentage of PaymentsForRepurchaseOfCommonStock0.00.00.0100.00.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value887535301817615648343.537
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

rnr:CededNetClaimsAndClaimExpenses dei:LegalEntity, us-gaap:CounterpartyName, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities

rnr:CededNetClaimsAndClaimExpenses

rnr:RenaissanceReinsuranceLtd., rnr:FibonacciReinsuranceLtd., us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Ceded
Period End2020-09-302019-09-30
Value6400000.00
Percentage of CededNetClaimsAndClaimExpenses100.00.0

rnr:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsInvestmentPortfolioGainLoss us-gaap:InformationByCategoryOfDebtSecurity

rnr:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsInvestmentPortfolioGainLoss

us-gaap:Derivative


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-9.329149.0222.0332433-3.212113713-8.0212.5631.038-4.3641.854-4.02
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsInvestmentPortfolioGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

rnr:DerivativeWeightedAverageU.S.DollarEquivalentOfForeignDenominatedNetAssets us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation

rnr:DerivativeWeightedAverageU.S.DollarEquivalentOfForeignDenominatedNetAssets

us-gaap:ForeignExchangeForward, us-gaap:NetInvestmentHedging, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value58-97.219-54.58-59.2574760.96179800.00.00.00.0
Percentage of DerivativeWeightedAverageU.S.DollarEquivalentOfForeignDenominatedNetAssets100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

rnr:EquitySecuritiesFVNIGainLossTotal us-gaap:InformationByCategoryOfDebtSecurity

rnr:EquitySecuritiesFVNIGainLossTotal

us-gaap:EquitySecurities


Equity
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value65-67.922123108-120.984-26.52313512911-1.13830
Percentage of EquitySecuritiesFVNIGainLossTotal100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

rnr:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisForeignExchangeGainsLosses us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

rnr:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisForeignExchangeGainsLosses

us-gaap:OtherInvestments, us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1000.03000.018000.013000.00-21000.021000.0-8000.0-7000.0-1000.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisForeignExchangeGainsLosses100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

rnr:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisForeignExchangeGainsLosses us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1000.03000.018000.013000.00-21000.021000.0-8000.0-7000.0-1000.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisForeignExchangeGainsLosses100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

rnr:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseAmountsDisposed

rnr:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseAmountsDisposed


Liability
Period End2020-12-31
Value0.0
Percentage of LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseAmountsDisposed0.0

rnr:NetClaimsAndClaimExpenseRatioPriorYears

rnr:NetClaimsAndClaimExpenseRatioPriorYears


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-4.4-0.8-2.7-5.4-0.0150.015-0.002-0.0110-0.0080.004-0.018-0.364-0.071-0.0220.022-0.1180.079-0.044-0.132-0.084-0.0050.005-0.194-0.087-0.075-0.063-0.098-0.065-0.058-0.045-0.024-0.092-0.1390.007-0.077-0.186-0.2-0.009-0.037-0.096-0.223-0.009-0.174-0.379
Percentage of NetClaimsAndClaimExpenseRatioPriorYears100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

rnr:NetClaimsAndClaimExpenseRatioPriorYears us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, rnr:CasualtyandSpecialtySegment


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-0.1-0.70.2-3.1-0.01700.002-0.006-0.022-0.024-0.018-0.03-0.058-0.018-0.0180.022-0.110.169-0.011-0.152-0.1020.025
Percentage of NetClaimsAndClaimExpenseRatioPriorYears2.387.5-7.457.4113.30.0-100.054.50.0300.0-450.0166.715.925.481.8100.093.2213.925.0115.2121.4-500.0

us-gaap:OperatingSegments, rnr:PropertySegment


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-9.1-0.9-5.9-7.5-0.0130.033-0.007-0.0170.0260.0070.029-0.008-0.701-0.122-0.0250.024-0.124-0.005-0.076-0.108-0.069-0.034
Percentage of NetClaimsAndClaimExpenseRatioPriorYears206.8112.5218.5138.986.7220.0350.0154.50.0-87.5725.044.4192.6171.8113.6109.1105.1-6.3172.781.882.1680.0

rnr:NetClaimsAndClaimsExpenseRatioCurrentYear

rnr:NetClaimsAndClaimsExpenseRatioCurrentYear


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value48.075.97.599.60.520.610.0660.7330.4970.4210.1050.790.5040.461-0.0962.2080.4910.4480.0350.4570.5610.363-0.0180.470.5330.334-0.0120.3670.3780.264-0.0250.2310.4480.2390.1210.3560.3890.256-0.2260.3770.7922.28-0.0730.5410.29
Percentage of NetClaimsAndClaimsExpenseRatioCurrentYear100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

rnr:NetClaimsAndClaimsExpenseRatioCurrentYear us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, rnr:CasualtyandSpecialtySegment


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value67.067.8-1.675.70.6840.8670.0020.690.6520.6830.0720.6360.6550.673-0.0260.8190.6880.6940.0180.6690.6470.563
Percentage of NetClaimsAndClaimsExpenseRatioCurrentYear139.689.3-21.376.0131.5142.13.094.1131.2162.268.680.5130.0146.027.137.1140.1154.951.4146.4115.3155.1

us-gaap:OperatingSegments, rnr:PropertySegment


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value26.483.317.1121.90.3470.3110.1330.7780.320.1860.1370.9150.3370.258-0.143.0770.2960.2130.0530.2440.4890.158
Percentage of NetClaimsAndClaimsExpenseRatioCurrentYear55.0109.7228.0122.466.751.0201.5106.164.444.2130.5115.866.956.0145.8139.460.347.5151.453.487.243.5

rnr:PaymentsForProceedsFromOtherInvestments

rnr:PaymentsForProceedsFromOtherInvestments


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value15812711511107972-3.41382516818139824-2.6333-36.402113.9871339-8.81-8.283-6.7027.95215-6.022-66.568-2.116121-155.166-9.855-33.08-109.566-22.581-28.3449.663-24.062-50.75961-38.083-36.016-19.41-50.538-16.101
Percentage of PaymentsForProceedsFromOtherInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

rnr:PaymentsForProceedsFromOtherInvestments us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value11511107972-3.41382516818139824
Percentage of PaymentsForProceedsFromOtherInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

rnr:PaymentsForProceedsFromOtherShortTermInvestments

rnr:PaymentsForProceedsFromOtherShortTermInvestments


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-735.87711132-441.386286704538-610.5665981374-29.062403467594-510.337422-30.382-245.693247117-111.89-134.009226-535.865-247.367-112.795-23.44567-22.236-67.3131287.564-81.99519210113-489.472305-638.203585-300.7324914492-72.02-137.978
Percentage of PaymentsForProceedsFromOtherShortTermInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

rnr:PaymentsForProceedsFromOtherShortTermInvestments dei:LegalEntity, us-gaap:ConsolidationItems

rnr:SubsidiaryIssuerThree, srt:ReportableLegalEntities


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value27-104.376116-278.2582677.7133.5984.946-9.6614.205-0.9245.9250.188
Percentage of PaymentsForProceedsFromOtherShortTermInvestments86.323.640.7-39.549.7-1.30.60.433.21.0-0.21.0-0.0

rnr:PaymentsForProceedsFromOtherShortTermInvestments us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-3.838-311.629302896189-656.4996591309-57.163428473639-468.209
Percentage of PaymentsForProceedsFromOtherShortTermInvestments-11.970.6105.7127.435.1107.5110.295.3196.7106.4101.3107.591.7

srt:ParentCompany, srt:ReportableLegalEntities


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value8.27-25.381-132.726858238-58.8345436-29.55-1.32-54.728-37.707
Percentage of PaymentsForProceedsFromOtherShortTermInvestments25.65.8-46.312.215.3-6.3-9.84.0-127.3-7.3-0.3-9.27.4

rnr:PaymentsForProceedsFromRepurchaseSaleOfRedeemableNoncontrollingInterest

rnr:PaymentsForProceedsFromRepurchaseSaleOfRedeemableNoncontrollingInterest


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-127.433-13.006-59.96720-36.684-42.599-311.131-1.22-531.57916-569.662-31.487-11.775-52.759-304.66810
Percentage of PaymentsForProceedsFromRepurchaseSaleOfRedeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

rnr:PaymentsForProceedsFromRepurchaseSaleOfRedeemableNoncontrollingInterest us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-59.96720-36.684-42.599-311.131-1.22-531.57916-569.662-31.487-11.775-52.759-304.668
Percentage of PaymentsForProceedsFromRepurchaseSaleOfRedeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

rnr:UnderwritingIncomeLossNet

rnr:UnderwritingIncomeLossNet


Underwriting
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value328-35.76-151.655-206.07221764-65.157-3.368170154-82.349-29.015226129-10.381-793.202109421031126310513912994130173104991511881511131724.127122127196
Percentage of UnderwritingIncomeLossNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

rnr:UnderwritingIncomeLossNet us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Underwriting
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-0.29-0.0730.0440.1071.08-0.1460.16-0.0190.036-0.022-0.094-0.1510.8840.1240.2290.3150.4230.79-0.1060.022
Percentage of UnderwritingIncomeLossNet0.20.00.00.2-1.74.30.1-0.0-0.00.1-0.0-0.1-8.5-0.00.20.70.40.7-0.20.0

rnr:UnderwritingIncomeLossNet us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, rnr:CasualtyandSpecialtySegment


Underwriting
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value136.035-21.3870.55316-83.153204.465191.749-47.43214122.57211-43.1092.804-49.2983.0318.8828.810.505
Percentage of UnderwritingIncomeLossNet4.2-16.914.1-0.37.6-129.8-32.0-132.611.11.157.6-51.45.72.0-110.35.42.6-116.32.97.913.90.5

us-gaap:OperatingSegments, rnr:PropertySegment


Underwriting
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value315-41.795-129.978-206.552200147-87.062-7.687151152-34.953-43.899213127-22.718-750.2171069110010354104
Percentage of UnderwritingIncomeLossNet95.8116.985.7100.292.4229.6133.6228.288.898.942.4151.394.398.1218.894.697.2215.596.791.486.399.5

us-gaap:AssumedPremiumsEarned

us-gaap:AssumedPremiumsEarned


Assumed
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value145514161345130112811149123311461202765811760601605575712520498482471464456461456468382359354350385347387380366
Percentage of AssumedPremiumsEarned100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssumedPremiumsWritten

us-gaap:AssumedPremiumsWritten


Assumed
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1834242778610041524187876375213771453460551886107432257675984826937670181830233762761211018049169168170686625741296556553513363260427110503
Percentage of AssumedPremiumsWritten100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CededPremiumsEarned

us-gaap:CededPremiumsEarned


Ceded
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value45042445243040937038434338130531530224223522122619419117316715113612712011010812211310411310310399105
Percentage of CededPremiumsEarned100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CededPremiumsEarned dei:LegalEntity, us-gaap:ConsolidatedEntities, us-gaap:CounterpartyName

rnr:MonaLisaRe, us-gaap:VariableInterestEntityNotPrimaryBeneficiary, rnr:DaVinciReinsuranceLtd.


Ceded
Period End2021-06-302021-03-312020-06-302020-03-31
Value1.41.7-3.36.7
Percentage of CededPremiumsEarned0.30.4-0.81.8

rnr:MonaLisaRe, us-gaap:VariableInterestEntityNotPrimaryBeneficiary, rnr:RenaissanceReinsuranceLtd.


Ceded
Period End2021-06-302021-03-312020-06-302020-03-31
Value3.19.5-12.224
Percentage of CededPremiumsEarned0.72.2-3.06.6

us-gaap:CededPremiumsEarned dei:LegalEntity, us-gaap:CounterpartyName, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities

rnr:MonaLisaRe, rnr:DaVinciReinsuranceLtd., us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Ceded
Period End2020-09-30
Value1.7
Percentage of CededPremiumsEarned0.4

rnr:MonaLisaRe, rnr:RenaissanceReinsuranceLtd., us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Ceded
Period End2020-09-30
Value6.1
Percentage of CededPremiumsEarned1.4

rnr:RenaissanceReinsuranceLtd., rnr:FibonacciReinsuranceLtd., us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Ceded
Period End2020-09-302019-09-30
Value0.0030.053
Percentage of CededPremiumsEarned0.00.0

us-gaap:CededPremiumsWritten

us-gaap:CededPremiumsWritten


Ceded
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value5818281892435217551801564536351361723724961191572713771031462393509910215323921411652543.338551441986.3283123917113362131571.03629177
Percentage of CededPremiumsWritten100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CededPremiumsWritten dei:LegalEntity, us-gaap:ConsolidatedEntities, us-gaap:CounterpartyName

rnr:MonaLisaRe, us-gaap:VariableInterestEntityNotPrimaryBeneficiary, rnr:DaVinciReinsuranceLtd.


Ceded
Period End2021-06-302021-03-312020-06-302020-03-31
Value-0.16.40.06.7
Percentage of CededPremiumsWritten-0.00.80.00.9

rnr:MonaLisaRe, us-gaap:VariableInterestEntityNotPrimaryBeneficiary, rnr:RenaissanceReinsuranceLtd.


Ceded
Period End2021-06-302021-03-312020-06-302020-03-31
Value-2.9280.024
Percentage of CededPremiumsWritten-0.53.40.03.2

us-gaap:CededPremiumsWritten dei:LegalEntity, us-gaap:CounterpartyName, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities

rnr:MonaLisaRe, rnr:DaVinciReinsuranceLtd., us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Ceded
Period End2020-09-30
Value0.0
Percentage of CededPremiumsWritten0.0

rnr:MonaLisaRe, rnr:RenaissanceReinsuranceLtd., us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Ceded
Period End2020-09-30
Value0.0
Percentage of CededPremiumsWritten0.0

rnr:RenaissanceReinsuranceLtd., rnr:FibonacciReinsuranceLtd., us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Ceded
Period End2020-09-302019-09-30
Value0.0030.053
Percentage of CededPremiumsWritten0.00.0

us-gaap:CombinedRatio

us-gaap:CombinedRatio


Combined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value72.4103.14.5120.60.7850.930.0591.0040.8130.720.1091.0550.4720.706-0.1162.4480.7130.884-0.0070.6740.8190.703-0.0120.6420.7520.559-0.0570.5950.6170.472-0.0520.4860.6120.362
Percentage of CombinedRatio100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CombinedRatio us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, rnr:CasualtyandSpecialtySegment


Combined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value97.898.9-0.199.90.9681.169-0.0060.990.9610.9930.0630.9380.9420.988-0.0551.2040.9851.2750.0050.9490.9450.997
Percentage of CombinedRatio135.195.9-2.282.8123.3125.7-10.298.6118.2137.957.888.9199.6139.947.449.2138.1144.2-71.4140.8115.4141.8

us-gaap:OperatingSegments, rnr:PropertySegment


Combined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value43.8106.99.3140.00.5910.6510.1261.0170.6430.4760.1621.15-0.0470.435-0.1543.2270.4450.511-0.0170.4020.7130.403
Percentage of CombinedRatio60.5103.7206.7116.175.370.0213.6101.379.166.1148.6109.0-10.061.6132.8131.862.457.8242.959.687.157.3

us-gaap:ConcentrationRiskPercentage1 us-gaap:CededCreditRiskCollateralization, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType

us-gaap:ConcentrationRiskPercentage1

us-gaap:CededCreditRiskSecured, us-gaap:ReinsuranceRecoverable, us-gaap:ReinsurerConcentrationRisk


Concentration
Period End2021-03-312020-03-312019-03-312018-03-312017-03-31
Value45.20.5210.6580.5220.545
Percentage of ConcentrationRiskPercentage1100.0100.0100.0100.0100.0

us-gaap:ConcentrationRiskPercentage1 us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType

us-gaap:AllowanceForReinsuranceRecoverable, rnr:CustomerConcentrationRiskCustomerOne


Concentration
Period End2021-03-312020-03-312019-03-312018-03-312017-03-31
Value12.70.1810.1760.1610.111
Percentage of ConcentrationRiskPercentage128.134.726.730.820.4

us-gaap:AllowanceForReinsuranceRecoverable, rnr:CustomerConcentrationRiskCustomerThree


Concentration
Period End2021-03-312020-03-312019-03-312018-03-312017-03-31
Value5.10.0720.120.1420.084
Percentage of ConcentrationRiskPercentage111.313.818.227.215.4

us-gaap:AllowanceForReinsuranceRecoverable, rnr:CustomerConcentrationRiskCustomerTwo


Concentration
Period End2021-03-312020-03-312019-03-312018-03-312017-03-31
Value7.60.0790.1320.1520.092
Percentage of ConcentrationRiskPercentage116.815.220.129.116.9

us-gaap:ReinsuranceRecoverable, rnr:CustomerConcentrationRiskCustomerOne


Concentration
Period End2021-03-312020-03-312019-03-312018-03-312017-03-31
Value15.00.1540.120.0930.104
Percentage of ConcentrationRiskPercentage133.229.618.217.819.1

us-gaap:ReinsuranceRecoverable, rnr:CustomerConcentrationRiskCustomerThree


Concentration
Period End2021-03-312020-03-312019-03-312018-03-312017-03-31
Value6.10.0730.0650.0670.073
Percentage of ConcentrationRiskPercentage113.514.09.912.813.4

us-gaap:ReinsuranceRecoverable, rnr:CustomerConcentrationRiskCustomerTwo


Concentration
Period End2021-03-312020-03-312019-03-312018-03-312017-03-31
Value10.20.0820.0690.0810.075
Percentage of ConcentrationRiskPercentage122.615.710.515.513.8

us-gaap:ConcentrationRiskPercentage1 us-gaap:CreditRatingStandardPoors, us-gaap:CededCreditRiskCollateralization, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType

srt:StandardPoorsAMinusRating, us-gaap:CededCreditRiskUnsecured, us-gaap:ReinsuranceRecoverable, us-gaap:ReinsurerConcentrationRisk


Concentration
Period End2021-03-312020-03-312019-03-312018-03-31
Value52.90.460.3210.38
Percentage of ConcentrationRiskPercentage1117.088.348.872.8

srt:StandardPoorsBBBPlusRating, us-gaap:CededCreditRiskUnsecured, us-gaap:ReinsuranceRecoverable, us-gaap:ReinsurerConcentrationRisk


Concentration
Period End2021-03-312020-03-312019-03-312018-03-31
Value1.90.0190.0210.012
Percentage of ConcentrationRiskPercentage14.23.63.22.3

us-gaap:DebtSecuritiesGainLoss us-gaap:InformationByCategoryOfDebtSecurity, us-gaap:InvestmentType

us-gaap:DebtSecuritiesGainLoss

us-gaap:OtherInvestments, rnr:CatastropheBonds


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.002-19.083-9.742124.452-14.352-4.5229.242-11.902-2.21
Percentage of DebtSecuritiesGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherInvestments, rnr:OtherInvestmentsOther


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value373.20124137.721-45.6945.079-6.7859.1461.578
Percentage of DebtSecuritiesGainLoss1880150.0-16.8-246.9108.1173.4318.4-112.3-73.4-76.8-71.4

us-gaap:DebtSecuritiesTradingGainLoss us-gaap:InformationByCategoryOfDebtSecurity

us-gaap:DebtSecuritiesTradingGainLoss

us-gaap:FixedMaturities


Debt
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value97-276.62713033747143
Percentage of DebtSecuritiesTradingGainLoss100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesTradingRealizedGainLoss us-gaap:InformationByCategoryOfDebtSecurity

us-gaap:DebtSecuritiesTradingRealizedGainLoss

us-gaap:FixedMaturities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value33205755105573730211.43-17.06-10.098-21.386-21.27-2.86210
Percentage of DebtSecuritiesTradingRealizedGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesTradingUnrealizedGainLoss us-gaap:InformationByCategoryOfDebtSecurity

us-gaap:DebtSecuritiesTradingUnrealizedGainLoss

us-gaap:FixedMaturities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value64-297.0182316197-20.345-72.9561712110316-8.73-9.42-55.372-40.4615.545
Percentage of DebtSecuritiesTradingUnrealizedGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepreciationAmortizationAndAccretionNet

us-gaap:DepreciationAmortizationAndAccretionNet


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-9.6741.747186.604-4.121-4.405-31.725-10.71-12.923-3.606-30.8136.1951113127.0875.1096.39107.3072.2848.75214-8.5587.5824.81317147.1148.3059.17315131214161513159.7916.7261019131213
Percentage of DepreciationAmortizationAndAccretionNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeGainLossOnDerivativeNet

us-gaap:DerivativeGainLossOnDerivativeNet


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-8.4924.07331.8411450199.3972619130.617-3.9936.1898.613-2.7193.663-6.596-8.1995.99106.8994.502
Percentage of DerivativeGainLossOnDerivativeNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeGainLossOnDerivativeNet us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation

rnr:ForeignCurrencyForwardContractsInvestmentOperations, us-gaap:Nondesignated, us-gaap:ForeignCurrencyGainLoss


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value-1.84-5.061-2.507-0.73-7.6136.4-0.2350.9110.591.1454.4340.651.343-0.6910.024-0.04-0.267-0.6332.115-0.4892.641-5.8580.8842.185-3.4179.215.1378.827
Percentage of DerivativeGainLossOnDerivativeNet21.7-124.3-7.5-39.7-50.812.8-1.29.72.25.932.4105.3-33.60.00.00.00.00.00.00.00.00.00.00.0-55.2106.9-188.9241.0

rnr:ForeignCurrencyForwardContractsUnderwritingAndNonInvestmentOperations, us-gaap:Nondesignated, us-gaap:ForeignCurrencyGainLoss


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value0.24-3.641152.4956.908-0.3325-5.912-11.6164.4426.067-2.596-6.3746.7431.2892.0565.2231.06-6.8455.097-3.815-1.3743.8390.817-10.213.6113.688-1.34
Percentage of DerivativeGainLossOnDerivativeNet-2.8-89.545.8135.546.1-0.7134.5-62.9-43.022.944.4-420.7159.60.00.00.00.00.00.00.00.00.00.00.0-165.041.9-135.6-36.6

us-gaap:CreditDefaultSwap, us-gaap:Nondesignated, us-gaap:GainLossOnInvestmentsMember1


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value1.1690.2551.706-0.0871.974-4.8971.5220.0651.0464.41-1.878-0.1910.884-1.9210.877-1.2750.6220.1021.0630.6870.305-0.09-0.570.1950.0220.04-0.058-0.072
Percentage of DerivativeGainLossOnDerivativeNet-13.86.35.1-4.713.2-9.88.00.73.922.8-13.7-31.0-22.10.00.00.00.00.00.00.00.00.00.00.00.40.52.1-2.0

us-gaap:EquityContract, us-gaap:Nondesignated, us-gaap:GainLossOnInvestmentsMember1


Derivative
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.0-4.3355.188-30.8988.9771.0237.7142.447-0.5590.0290.028
Percentage of DerivativeGainLossOnDerivativeNet0.0-235.534.6-61.747.010.928.612.6-4.14.7-0.7

us-gaap:InterestRateContract, us-gaap:Nondesignated, us-gaap:GainLossOnInvestmentsMember1


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value-11.295157.5544.9852.55788-18.2887.199238.503-5.932.76-0.087-2.3370.812-3.016-0.89-0.158101.04-9.456-19.3597.014-16.81719-4.408-11.272-1.805
Percentage of DerivativeGainLossOnDerivativeNet133.0381.022.7270.817.1175.7-95.776.685.543.9-43.4447.32.20.00.00.00.00.00.00.00.00.00.00.0319.7-51.2414.6-49.3

us-gaap:InterestRateSwap, us-gaap:Nondesignated, us-gaap:GainLossOnInvestmentsMember1


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-0.078-0.901-0.5180.2430.5022.107-0.5830.8870.8350.349-0.213-0.0060.241-0.1060.1650.2710.00.00.00.0
Percentage of DerivativeGainLossOnDerivativeNet0.9-22.1-1.613.23.44.2-3.19.43.11.8-1.6-1.0-6.00.00.00.00.00.00.00.0

us-gaap:TotalReturnSwap, us-gaap:Nondesignated, us-gaap:GainLossOnInvestmentsMember1


Derivative
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.8750.281.22714-21.1375.161.964.5010.5340.00.00.0
Percentage of DerivativeGainLossOnDerivativeNet-10.30.866.694.5-42.227.020.916.72.80.00.0-0.0

us-gaap:DerivativeGainLossOnDerivativeNet us-gaap:HedgingDesignation

us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value2.437-2.089-1.957-8.694103.2640.844
Percentage of DerivativeGainLossOnDerivativeNet-28.7-51.3-106.3-58.121.634.73.1

us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-09-30
Value-10.9296.159213.7982339226.13326192.480.617-3.9931.6883.167-2.0044.6880.3716.7296.335-10.325-26.68111-13.616.1898.6133.663
Percentage of DerivativeGainLossOnDerivativeNet128.7151.365.4206.3158.178.4116.565.396.9100.018.1100.0100.00.00.00.00.00.00.00.00.00.00.00.0100.0100.0100.0

us-gaap:DirectPremiumsEarned

us-gaap:DirectPremiumsEarned


Direct
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value188162135128138134120103908978736970676156584243373327262122181814141211109.873
Percentage of DirectPremiumsEarned100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DirectPremiumsWritten

us-gaap:DirectPremiumsWritten


Direct
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value259225148138177147142108991108774908585646773545357433331343022201913151216108.9757.193118.4637.7416.4239.3096.2523.5881.4662.586
Percentage of DirectPremiumsWritten100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStock

us-gaap:DividendsCommonStock


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312013-09-302012-09-30
Value17171717171514151414131313131213
Percentage of DividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStock us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value17171717171514151414131313131212121312121213131313131111111112121212121313131313131313131314
Percentage of DividendsCommonStock99.9100.1100.0100.1100.099.799.5100.1100.599.8100.2100.399.6100.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0100.00.00.00.0100.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DividendsPreferredStock

us-gaap:DividendsPreferredStock


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value7.2897.2897.2897.2897.2899.0569.1899.1899.1899.1899.1899.7085.5965.5955.5955.5955.5965.5955.5955.5955.5965.5955.5955.5955.5965.5955.5955.5955.5965.5955.5955.5957.4836.2758.6458.758.758.758.758.758.758.7510101010
Percentage of DividendsPreferredStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsPreferredStock us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:ParentCompany, srt:ReportableLegalEntities


Dividends
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value7.2897.2897.2899.0569.1899.1899.1899.1899.1899.7085.5965.5955.5955.595
Percentage of DividendsPreferredStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsPreferredStock us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value7.2897.2897.2897.2897.2899.0569.1899.1899.1899.1899.1899.7085.5965.5955.5955.5955.5965.5955.5955.5955.5965.595
Percentage of DividendsPreferredStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsPreferredStock us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value7.2897.2897.2897.2897.2899.0569.1899.1899.1899.1899.1899.7085.5965.5955.5955.5955.5965.5955.5955.5955.5965.5955.5955.5955.5965.5955.5955.5955.5965.5955.5955.5957.4836.2758.6458.758.758.758.758.758.758.7510101010
Percentage of DividendsPreferredStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Effect
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-940000.020000.03442000.01230000.0-1768000.01581000.0-2163000.05175000.0-242000.0-292000.0-1523000.0-1074000.0
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Effect
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value3441000.01374000.0-1768000.01581000.0-2163000.05175000.0-242000.0-292000.0-1523000.0-1074000.0
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0111.7100.0100.0100.0100.0100.0100.0100.0100.0

srt:ParentCompany, srt:ReportableLegalEntities


Effect
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value1000.0-144000.000000000
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents0.0-11.7-0.00.0-0.00.0-0.0-0.0-0.0-0.0

us-gaap:EquitySecuritiesFvNiRealizedGainLoss us-gaap:InformationByCategoryOfDebtSecurity

us-gaap:EquitySecuritiesFvNiRealizedGainLoss

us-gaap:EquitySecurities


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value931091.533160.422-15.0470.396-0.072
Percentage of EquitySecuritiesFvNiRealizedGainLoss100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquitySecuritiesFvNiUnrealizedGainLoss us-gaap:InformationByCategoryOfDebtSecurity

us-gaap:EquitySecuritiesFvNiUnrealizedGainLoss

us-gaap:EquitySecurities


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-27.845-177.809152107107-105.93756-26.451
Percentage of EquitySecuritiesFvNiUnrealizedGainLoss100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarnings us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:IncomeStatementLocation

us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarnings

rnr:OtherAssetsLiabilities, us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring, us-gaap:OtherOperatingIncomeExpense


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value440000.096000.0844000.0575000.0-1713000.0-2897000.0-1317000.0-1188000.0-935000.01093000.0502000.01754000.0439000.0206000.0
Percentage of FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarnings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherInvestments, us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring, us-gaap:GainLossOnInvestmentsMember1


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value1415000.0-3936000.04830000.04044000.0-380000.0-14156000.0-15946000.0-592000.03493000.0
Percentage of FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarnings321.6-4100.0572.3703.322.2488.61210.849.8-373.6

us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarnings us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:IncomeStatementLocation

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring, us-gaap:GainLossOnInvestmentsMember1


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value1415000.0-3936000.04830000.04044000.0-380000.0-14156000.0-2901000.0-592000.03493000.0
Percentage of FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarnings321.6-4100.0572.3703.322.2488.6220.349.8-373.6

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring, us-gaap:OtherOperatingIncomeExpense


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value440000.096000.0844000.0575000.0-1713000.0-2897000.0-981000.0-1780000.02558000.0-18000.0
Percentage of FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarnings100.0100.0100.0100.0100.0100.074.5149.8-273.6-1.6

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases

rnr:OtherAssetsLiabilities, us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.2120.3060.4470.4720.4820.6110.1710.5352.950.897-0.0889.668-0.3230.034
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherInvestments, us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Fair
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-5.00.00.00.0-20.962-0.0670.0-7.629-10.262
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases-2358.50.00.00.0-3430.8-39.20.0-258.6-1144.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-4.7880.3060.4470.4720.482-20.3510.1040.535-4.679-9.365
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases-2258.5100.0100.0100.0100.0-3330.860.8100.0-158.6-1044.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales

us-gaap:OtherInvestments, us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Fair
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-06-30
Value-0.9460.0-0.548-0.79-8.7990.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales100.00.0100.0100.0100.00.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Fair
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-06-30
Value-0.9460.0-0.548-0.79-8.7990.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales100.00.0100.0100.0100.00.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements

rnr:OtherAssetsLiabilities, us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Fair
Period End2020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.00.0-5.7390.00.00.00.020.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements0.00.0100.00.00.00.0100.00.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Fair
Period End2020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-31
Value0.00.0-5.7390.00.00.00.02
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements0.00.0100.00.00.00.0100.0

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax


Foreign
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3.234-22.7882317-7.195-5.728-1.126-8.2759.309-2.846-0.932-4.566-10.6873.757-0.49-0.1563.1098.165-5.42-5.986-0.69-1.6921.2030.616-1.74-3.13-0.1075.0362.392-1.0611.7470.488-1.0851.7561.2723.0012.41-1.46-0.4-2.65-4.5210.66-4.646-0.529-0.609-11.342
Percentage of ForeignCurrencyTransactionGainLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Foreign
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1612-13.2181.602-29.3146.51115-2.845-0.93-4.569-10.6863.76-0.49-0.156
Percentage of ForeignCurrencyTransactionGainLossBeforeTax69.473.1183.7-28.02603.4-78.7165.1100.099.8100.1100.0100.1100.0100.0

srt:ParentCompany, srt:ReportableLegalEntities


Foreign
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value7.1314.2336.695-7.3328-14.786-6.059-0.001-0.0020.003-0.001-0.0030.00.0
Percentage of ForeignCurrencyTransactionGainLossBeforeTax30.624.3-93.1128.0-2503.4178.7-65.10.00.2-0.10.0-0.1-0.0-0.0

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax us-gaap:ConsolidationItems

srt:ConsolidationEliminations


Foreign
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-0.0010.462-0.6720.00.00.00.00.00.00.00.00.00.00.0
Percentage of ForeignCurrencyTransactionGainLossBeforeTax-0.02.79.3-0.0-0.0-0.00.0-0.0-0.0-0.0-0.00.0-0.0-0.0

us-gaap:CorporateNonSegment


Foreign
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value3.234-22.7882317-7.195-5.728-1.126-8.2759.309-2.846-0.932-4.566-10.6873.757-0.49-0.1563.1098.165-5.42-5.986-0.69-1.692
Percentage of ForeignCurrencyTransactionGainLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnSaleOfBusiness

us-gaap:GainLossOnSaleOfBusiness


Gain
Period End2020-12-312020-09-30
Value0-30200000.0
Percentage of GainLossOnSaleOfBusiness0.0100.0

us-gaap:GrossInvestmentIncomeOperating

us-gaap:GrossInvestmentIncomeOperating


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value88838787931041161191208557847559774458585155573249314242
Percentage of GrossInvestmentIncomeOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GrossInvestmentIncomeOperating us-gaap:InvestmentType

rnr:CatastropheBonds


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1614131313141212118.691
Percentage of GrossInvestmentIncomeOperating18.917.415.515.514.513.611.010.79.810.2

rnr:OtherInvestmentsOther


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value9.3393.8014.0832.5981.1071.6298.833220.637.245-4.8718.665108.02312-11.4912.8994.0723.0728.7655.0353.3091.0297.2610.6743.508
Percentage of GrossInvestmentIncomeOperating10.64.64.73.01.21.67.618.90.58.5-8.510.314.213.416.3-26.05.07.06.015.88.710.12.122.71.68.2

us-gaap:CashAndCashEquivalents


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.1590.1020.1920.4410.8371.5041.8751.9782.3061.5171.1021.1041.0390.5650.360.3520.2950.1890.2040.2460.2090.1290.1120.080.1270.148
Percentage of GrossInvestmentIncomeOperating0.20.10.20.50.91.41.61.71.91.81.91.31.40.90.50.80.50.30.40.40.40.40.20.30.30.3

us-gaap:EquitySecurities


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value1.6261.4911.6281.5591.6661.5511.5391.3260.9161.0271.3830.9031.490.6980.9980.930.8890.8110.910.7970.8651.6632.0381.7911.9132.604
Percentage of GrossInvestmentIncomeOperating1.81.81.91.81.81.51.31.10.81.22.41.12.01.21.32.11.51.41.81.41.55.14.15.64.56.1

us-gaap:FixedMaturities


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value5962666869738582886160555045464544433839463638373325
Percentage of GrossInvestmentIncomeOperating67.675.576.677.475.170.373.769.673.471.9104.965.967.176.360.2102.476.474.875.572.079.8109.976.4116.080.060.6

us-gaap:ShortTermInvestments


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.7820.5731.0471.6116.0491211151711119.4037.6335.3043.6062.7712.9811.7241.7261.1741.2271.00.4660.2670.2970.197
Percentage of GrossInvestmentIncomeOperating0.90.71.21.86.511.69.912.614.813.819.611.110.28.94.76.35.13.03.42.12.13.10.90.80.70.5

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value8.732-5.558-1.8685.4579.0414.5645.8745.8776.8124.6614.1437.6485.8260.8572.21.7945.543-1.5074.96-11.636.0221.6113.2965.736.165.2954.8389.8067.2324.1996.2747.3133.7725.8356.6124.316.8465.47-22.7024.7945.128-23.753-10.39-6.743.162.156
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments dei:LegalEntity, us-gaap:ConsolidationItems

rnr:SubsidiaryIssuerThree, srt:ReportableLegalEntities


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.41.5270.7870.3890.9711.2980.6520.9651.020.290.5441.2110.1890.038
Percentage of IncomeLossFromEquityMethodInvestments-21.428.08.78.516.522.19.620.724.63.89.3141.38.62.1

us-gaap:IncomeLossFromEquityMethodInvestments us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-2.2683.938.2544.1754.9034.5796.163.6963.1237.3585.282-0.3542.0111.756
Percentage of IncomeLossFromEquityMethodInvestments121.472.091.391.583.577.990.479.375.496.290.7-41.391.497.9

us-gaap:IncomeLossFromEquityMethodInvestments us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value8.732-5.558-1.8685.4579.0414.5645.8745.8776.8124.6614.1437.6485.8260.8572.21.7945.543-1.5074.96-11.636.0221.611
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions

us-gaap:IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2.043-17.891-2.4682.2956.01-7.3982.5163.6260.585-5.965-9.2445.7546.9480.314130.7454.514-24.8184.669-12.4811.8930.415-1.2164.4813.1463.6763.4718.5596.7561.2043.4025.58-0.4856.9537.0073.4413.9354.933-25.0296.8035.013-26.368-9.003-7.3553.13-10.731
Percentage of IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromSubsidiariesNetOfTax dei:LegalEntity, us-gaap:ConsolidationItems

us-gaap:IncomeLossFromSubsidiariesNetOfTax

rnr:SubsidiaryIssuerThree, srt:ReportableLegalEntities


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-31.2931893-33.66922142833-19.9141121-3.813-11.286-16.352
Percentage of IncomeLossFromSubsidiariesNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromSubsidiariesNetOfTax us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-97.953-14.182-7.388160.00.00.00.00.00.00.00.00.00.0
Percentage of IncomeLossFromSubsidiariesNetOfTax313.0-76.2-7.9-49.40.00.00.00.0-0.00.00.0-0.0-0.0-0.0

srt:ParentCompany, srt:ReportableLegalEntities


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value20058567-39.6731861378314-69.58645202626.601-499.408
Percentage of IncomeLossFromSubsidiariesNetOfTax-640.7315.5605.5117.883.1424.81321.7939.1349.4386.9957.5-1637.2-58.53054.1

us-gaap:IncomeLossFromSubsidiariesNetOfTax us-gaap:ConsolidationItems

srt:ConsolidationEliminations


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-71.256-63.118-653.29256-42.991-76.842-409.098-349.24788-59.531-224.393-59.4477.163514
Percentage of IncomeLossFromSubsidiariesNetOfTax227.7-339.3-697.6-168.4-190.3-534.9-1427.7-1041.5-442.7-510.3-1060.91559.1-63.5-3148.4

us-gaap:IncreaseDecreaseInDeferredPolicyAcquisitionCosts

us-gaap:IncreaseDecreaseInDeferredPolicyAcquisitionCosts


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value96153-63.825-36.912-5.58975-44.267-72.498-60.77258-21.072-13.4223450-8.3634.8084153-16.516204387-14.219402735-20.049-10.6571840-22.16-21.8384725-30.6-22.8053427-27.504-19.6333421-28.915-20.4192612
Percentage of IncreaseDecreaseInDeferredPolicyAcquisitionCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInDueToRelatedParties dei:LegalEntity, us-gaap:ConsolidationItems

us-gaap:IncreaseDecreaseInDueToRelatedParties

rnr:SubsidiaryIssuerThree, srt:ReportableLegalEntities


Increase
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value702713150.666-7.7560.7116.629-26.813147.22714-4.571
Percentage of IncreaseDecreaseInDueToRelatedParties100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInDueToRelatedParties us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems

srt:NonGuarantorSubsidiaries, srt:ReportableLegalEntities


Increase
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-90.045-58.821229-141.597673-1.656-37.703-8.5443426-1.043140-24.944
Percentage of IncreaseDecreaseInDueToRelatedParties-128.0-216.71715.6-926.9101162.621.4-5302.8-128.9-128.3179.9-14.4997.9545.7

srt:ParentCompany, srt:ReportableLegalEntities


Increase
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1931-243.146126-674.3689.388362.1-7.667-32.145-6.227-154.87729
Percentage of IncreaseDecreaseInDueToRelatedParties28.0116.7-1815.6826.9-101256.5-121.05197.731.728.6-215.3-86.2-1098.0-645.7

us-gaap:IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve

us-gaap:IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-8.641572480693-41.2382278111793-92.3031123
Percentage of IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPremiumsReceivable

us-gaap:IncreaseDecreaseInPremiumsReceivable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value5531033-442.489-183.999414505-200.058-340.734387578-249.907-172.552275380-216.644-12.567250295-194.008-151.336238316-86.189-204.621202193-190.711-206.398168194-261.85-218.205299163-209.875-270.306267232-223.285-238.356358252-150.507-257.947509-77.995
Percentage of IncreaseDecreaseInPremiumsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPrepaidReinsurancePremiums

us-gaap:IncreaseDecreaseInPrepaidReinsurancePremiums


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value131406-258.688-183.933114384-204.266-186.48772330-179.311-130.005130261-102.21-69.56677186-70.161-21.67188214-27.774-17.78643130-101.168-71.98560141-100.208-48.4644493-112.51-88.6513485-106.025-81.12911965-100.45-98.02415429
Percentage of IncreaseDecreaseInPrepaidReinsurancePremiums100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInReinsurancePayables

us-gaap:IncreaseDecreaseInReinsurancePayables


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value235766-427.452-173.603318944-79.91-369.447270837-68.857-114.121326769-45.364-18.0480298-100.6772013594-9.2211635-46.575-57.0389175-65.966-28.437