NVR


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

Table of contents



us-gaap:CommonStockSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted
us-gaap:StatementBusinessSegments
us-gaap:CostOfGoodsAndServicesSold
us-gaap:StatementBusinessSegments
us-gaap:GeneralAndAdministrativeExpense
us-gaap:StatementBusinessSegments
us-gaap:GrossProfit

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxesPaidNet

us-gaap:InterestExpense
us-gaap:ConsolidationItems
us-gaap:StatementBusinessSegments

us-gaap:InterestPaidNet

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents
us-gaap:StatementBusinessSegments
us-gaap:OperatingIncomeLoss
us-gaap:StatementBusinessSegments
us-gaap:OtherIncome

us-gaap:Revenues
us-gaap:StatementBusinessSegments
us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:Assets
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments

us-gaap:Liabilities
us-gaap:StatementBusinessSegments

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
us-gaap:PropertyPlantAndEquipmentByType, us-gaap:StatementBusinessSegments
us-gaap:PropertyPlantAndEquipmentGross
us-gaap:StatementBusinessSegments
us-gaap:PropertyPlantAndEquipmentByType, us-gaap:StatementBusinessSegments
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
us-gaap:StatementBusinessSegments
us-gaap:PropertyPlantAndEquipmentByType, us-gaap:StatementBusinessSegments
us-gaap:PropertyPlantAndEquipmentNet
us-gaap:StatementBusinessSegments

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
us-gaap:BalanceSheetLocation
us-gaap:ConsolidationItems
us-gaap:IntangibleAssetsNetIncludingGoodwill

us-gaap:DeferredTaxAssetsLiabilitiesNet
us-gaap:ConsolidationItems
us-gaap:OperatingLeaseRightOfUseAsset
us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
us-gaap:OtherAssets

us-gaap:OperatingLeaseLiability
us-gaap:StatementBusinessSegments

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:TreasuryStockValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:DepreciationDepletionAndAmortization

us-gaap:IncreaseDecreaseInInventories

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:ShareBasedCompensation
us-gaap:ConsolidationItems

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:EffectiveIncomeTaxRateContinuingOperations
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
us-gaap:PlanName
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:UnrecognizedTaxBenefits

nvr:AdjustmentToIncomeTaxExpenseIncomeTaxEffectFromShareBasedCompensationNet
us-gaap:ConsolidationItems
nvr:ConsolidationAdjustmentsAndOther

nvr:ContractLandDepositImpairmentRecoveries

nvr:ContractLandDepositImpairmentRecovery

nvr:ContractLandDepositReserveAdjustment
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems
nvr:CorporateCapitalAllocationCharge
us-gaap:ConsolidationItems, us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments

nvr:CostsAccruedForNewWarrantyContractsAndChangesInEstimatesForPreExistingWarranties
us-gaap:StatementEquityComponents
nvr:DeferredCompensationActivityAdjustments

nvr:DevelopmentCostsTransferredToInventory

nvr:FairValueMeasurementsSecurityPriceChangeGainLossIncludedInEarnings
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:StatementBusinessSegments

nvr:LoansClosed

nvr:SaleOfLandUnderDevelopment
us-gaap:SubsequentEventType

nvr:StockIssuedDuringPeriodSharesTreasuryStockReissuedUponExerciseOfStockOptionAndOther
us-gaap:ConsolidationItems
nvr:UnallocatedCorporateOverhead

us-gaap:AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition
us-gaap:StatementEquityComponents

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions
us-gaap:StatementEquityComponents
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:HedgingDesignation, us-gaap:StatementBusinessSegments
us-gaap:DerivativeGainLossOnDerivativeNet

us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:StatementBusinessSegments
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:StatementBusinessSegments
us-gaap:FairValueOptionChangesInFairValueGainLoss1

us-gaap:FinanceLeaseInterestExpense

us-gaap:FinanceLeaseInterestPaymentOnLiability

us-gaap:FinanceLeasePrincipalPayments

us-gaap:FinanceLeaseRightOfUseAssetAmortization

us-gaap:GainLossOnSaleOfMortgageLoans

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInContractWithCustomerLiability

us-gaap:IncreaseDecreaseInDepositsOutstanding

us-gaap:IncreaseDecreaseInReceivables

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
us-gaap:StatementBusinessSegments
us-gaap:InterestAndFeeIncomeLoansHeldForSaleMortgages

us-gaap:InterestCostsIncurred

us-gaap:LeaseCost

us-gaap:OperatingLeaseExpense

us-gaap:OperatingLeasePayments

us-gaap:OtherOperatingActivitiesCashFlowStatement

us-gaap:PaymentsForOriginationOfMortgageLoansHeldForSale

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:PaymentsToAcquireInterestInJointVenture

us-gaap:PaymentsToAcquireLand
us-gaap:DebtInstrument
us-gaap:ProceedsFromDebtNetOfIssuanceCosts

us-gaap:ProceedsFromIssuanceOfSeniorLongTermDebt

us-gaap:ProceedsFromSaleOfMortgageLoansHeldForSale

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProductWarrantyAccrualPayments

us-gaap:RealEstateInventoryCapitalizedInterestCostsCostOfSales1

us-gaap:RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

us-gaap:ShortTermLeaseCost
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised

us-gaap:TreasuryStockSharesAcquired

us-gaap:TreasuryStockValueAcquiredCostMethod
us-gaap:StatementEquityComponents

dei:EntityCommonStockSharesOutstanding

nvr:AggregateAdditionalFundingCommitments

nvr:AggregateAdditionalFundingCommitmentsRelatedToRawLandPropertyDevelopment
us-gaap:ConsolidationItems
nvr:ConsolidationEntriesAndOtherForAssets

nvr:ContingentForfeitableDepositsWithLandDevelopers

nvr:ContingentObligationsUnderBondOrLetterOfCreditArrangements

nvr:ContractLandDeposits
us-gaap:ConsolidatedEntities
us-gaap:OtherCommitments
us-gaap:ConsolidatedEntities
nvr:ContractLandDepositsOnLotPurchaseAgreements
us-gaap:OtherCommitments

nvr:ExpectedDevelopmentCredit

nvr:ExpectedProductionOfFinishedLotsFromJointVentures

nvr:FairValueMeasurementAssumedGainLossFromLoanSale
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:StatementBusinessSegments

nvr:FairValueMeasurementsChangesInServicingRightsValue
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:StatementBusinessSegments

nvr:FairValueMeasurementsInterestRateMovementEffect
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:StatementBusinessSegments
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:StatementBusinessSegments
nvr:FairValuePrincipalAmountLoansHeldforSale

nvr:JointVentureLotsControlledByCompany

nvr:JointVentureLotsEitherUnderContractWithUnrelatedPartiesOrNotUnderContract
us-gaap:ConsolidatedEntities
nvr:LetterOfCreditOnLotPurchaseAgreements
us-gaap:OtherCommitments
us-gaap:ConsolidatedEntities
nvr:LettersOfCreditOnRawLandContracts

nvr:LettersOfCreditRelatedToLots

nvr:LossReserveOnContractLandDeposits
us-gaap:ConsolidationItems
us-gaap:StatementBusinessSegments
nvr:LotsAndHousingUnitsCoveredUnderSalesAgreementsWithCustomers
us-gaap:ConsolidatedEntities
nvr:LotsControlledByCompany
us-gaap:OtherCommitments

nvr:MortgageRepurchaseReserveRealEstate
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty
nvr:NumberOfFinishedLotsExpectedToBeDevelopedFromRawParcelsOfLand

nvr:NumberOfFinishedLotsIntendedToBeDevelopedFromRawParcelsOfLand
us-gaap:ConsolidatedEntities
nvr:RefundableDeposits
us-gaap:OtherCommitments
us-gaap:AwardType, us-gaap:PlanName
nvr:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingNumber
us-gaap:PlanName
us-gaap:PlanName
nvr:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndRestrictedShareUnitsOutstandingNumber
us-gaap:StatementBusinessSegments
nvr:UnsoldLotsAndHousingUnits
us-gaap:StatementBusinessSegments
us-gaap:AccountsPayableAndOtherAccruedLiabilities
us-gaap:StatementBusinessSegments
us-gaap:AccountsPayableCurrentAndNoncurrent
us-gaap:StatementBusinessSegments
us-gaap:AccountsReceivableNet
dei:LegalEntity
us-gaap:AccruedLiabilitiesCurrentAndNoncurrent
us-gaap:ConsolidatedEntities, us-gaap:BalanceSheetLocation, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
us-gaap:BalanceSheetLocation
us-gaap:CapitalizedContractCostNet

us-gaap:CommonStockSharesHeldInEmployeeTrust

us-gaap:CommonStockSharesHeldInEmployeeTrustShares
us-gaap:StatementBusinessSegments
us-gaap:ContractWithCustomerLiability
us-gaap:DebtInstrument
us-gaap:DebtInstrumentInterestRateEffectivePercentage
us-gaap:DebtInstrument
us-gaap:DebtInstrumentUnamortizedDiscountPremiumNet

us-gaap:DeferredCompensationLiabilityCurrentAndNoncurrent
us-gaap:ConsolidationItems
us-gaap:DeferredIncomeTaxAssetsNet
us-gaap:StatementBusinessSegments

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsInventory

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves

us-gaap:DepositsAssets
us-gaap:StatementBusinessSegments
us-gaap:BalanceSheetLocation, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:StatementBusinessSegments
us-gaap:DerivativeAssetFairValueGrossLiability
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:StatementBusinessSegments
us-gaap:BalanceSheetLocation, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:StatementBusinessSegments
us-gaap:DerivativeFairValueOfDerivativeAsset
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:StatementBusinessSegments
us-gaap:BalanceSheetLocation, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:StatementBusinessSegments
us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:StatementBusinessSegments
us-gaap:BalanceSheetLocation, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:StatementBusinessSegments
us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:StatementBusinessSegments
us-gaap:DerivativeNotionalAmount
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:StatementBusinessSegments
us-gaap:FairValueDisclosureOffbalanceSheetRisksFaceAmountLiability

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDueInNextRollingTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueInRollingAfterYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueInRollingYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueInRollingYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueInRollingYearThree

us-gaap:FinanceLeaseLiabilityPaymentsDueInRollingYearTwo

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

us-gaap:FinanceLeaseRightOfUseAsset
us-gaap:ConsolidationItems
us-gaap:StatementBusinessSegments

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent

us-gaap:GuaranteeObligationsMaximumExposure
us-gaap:StatementBusinessSegments
us-gaap:InventoryOperativeBuilders

us-gaap:InventoryRealEstateLandAndLandDevelopmentCosts
us-gaap:StatementBusinessSegments

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterRollingYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextRollingTwelveMonths
us-gaap:DebtInstrument
us-gaap:LettersOfCreditOutstandingAmount
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:LineOfCreditFacilityFairValueOfAmountOutstanding
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:StatementBusinessSegments
us-gaap:LoansReceivableHeldForSaleNetNotPartOfDisposalGroup
us-gaap:StatementBusinessSegments
us-gaap:DebtInstrument, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:LongTermDebtFairValue
us-gaap:DebtInstrument, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:StatementBusinessSegments

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:ProductWarrantyAccrual

us-gaap:RealEstateInventoryCapitalizedInterestCosts
us-gaap:StatementBusinessSegments
us-gaap:RealEstateInventoryConstructionMaterials
us-gaap:ConsolidatedEntities, us-gaap:BalanceSheetLocation, us-gaap:StatementBusinessSegments
us-gaap:RestrictedCashAndCashEquivalents
us-gaap:StatementBusinessSegments
us-gaap:DebtInstrument
us-gaap:SeniorNotes
us-gaap:DebtInstrument, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
us-gaap:PlanName
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
us-gaap:AwardType, us-gaap:PlanName
us-gaap:AwardType
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
us-gaap:LeaseContractualTerm
us-gaap:ShortTermLeaseCommitmentAmount

us-gaap:SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:StatementBusinessSegments
us-gaap:TradeAndLoansReceivablesHeldForSaleNetNotPartOfDisposalGroup
us-gaap:StatementBusinessSegments
us-gaap:DebtInstrument
us-gaap:UnamortizedDebtIssuanceExpense

us-gaap:UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

Plots across concepts


IncomeStatement
Net Income Loss
Expenses
Interest Expense
Balance Sheet
Operating Lease Liability
Assets
Cash And Cash Equivalents At Carrying Value
Current Assets
Cash And Cash Equivalents At Carrying Value
Liabilities
Operating Lease Liability
Stockholders Equity
Common Stock Value
CashFlow
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInOperatingActivities
Share Based Compensation
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
Shares
Weighted Average Number Of Shares Outstanding Basic
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Undiscounted Excess Amount

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:CommonStockSharesOutstanding NANA3.696NANANA3.633NANANA3.578NANANA3.691NANANA3.693NANANA3.891NANANA4.049NANANA4.433725NANANA4.91413NANANA4.977633NANANA5.663556NANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ▁█3.8973.935NA3.9393.8613.908NA3.9883.9593.955NA4.0564.1424.22NA4.2634.2024.097NA4.1254.1654.135NA4.2964.2624.235NA4.3544.4954.62NA4.6955.0135.122NA5.1325.2215.159NA5.4375.9296.02NA6.0116.405
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic ▁█3.6233.673NA3.7063.6823.663NA3.6723.6123.607NA3.6123.6353.675NA3.7473.7483.705NA3.8583.93.884NA4.054.0664.057NA4.1964.3494.467NA4.5884.8894.979NA4.9995.1065.044NA5.3015.7855.823NA5.7486.123
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount ▁█0.0180.023NA0.0210.330.026NA0.2510.3180.363NA0.3710.3490.015NA0.0080.0090.079NA0.0880.0780.046NA0.0280.0370.028NA0.7580.7530.093NA0.1797120.1369620.123938NA0.1533060.1606720.470217NA0.4509340.4491340.442095NA0.4412520.435548
us-gaap:EarningsPerShareBasic █▆▇▆▄▅▆▆▆▅▆▅▅▄▄▄▄▃▄▃▃▂▄▃▃▂▃▃▂▁▃▂▂▁▂▂▂▁▁▁▁▁▂▁▂88.6967.7282.2600000000000269.1944.5647.9769.8860.9458.252.2364.3600000000000154.2155.945.1933.40000000000000643.2639.4627.7839.8330.4323.5116.8133.8699999999999928.7522.979.6323.8221.4915.685.3421.24000000000000218.0810.377.0412.27999999999999810.69.173.996.4400000000000018.196.652.6110.327.6511.64
us-gaap:EarningsPerShareDiluted █▆█▆▅▅▆▆▅▅▆▅▅▄▃▄▄▃▄▃▃▂▄▃▃▂▃▃▂▁▃▂▂▁▂▂▂▁▁▁▁▁▂▁▂82.4563.2176.9365.1142.544.9664.4156.1153.0947.6458.5748.2849.0539.3428.8838.0235.1925.1237.828.4622.0115.7931.9227.1121.919.2223.2420.715.175.1621.1517.6710.116.8411.9810.338.973.96.327.986.482.529.967.3111.13
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
 COGS Ratio us-gaap:StatementBusinessSegments nvr:HomeBuildingSegment█▁2224.561963.711NANA1588.7581555.707NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 COGS Ratio us-gaap:StatementBusinessSegments us-gaap:HomeBuildingNANANA1920.7511588.7581555.7071946.8591873.3311757.4481643.2061954.4031809.3451750.4631490.0931781.4941633.726NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 EBT margin us-gaap:StatementBusinessSegments nvr:HomeBuildingSegment█▁2224.561963.711NANA1588.7581555.707NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 EBT margin us-gaap:StatementBusinessSegments nvr:MortgageBankingSegment▁█59.03877.735NANA31.6126.821NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 EBT margin us-gaap:StatementBusinessSegments us-gaap:HomeBuildingNANANA1920.7511588.7581555.7071946.8591873.3311757.4481643.2061954.4031809.3451750.4631490.0931781.4941633.726NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 EBT margin us-gaap:StatementBusinessSegments us-gaap:MortgageBankingNANANA69.26131.6126.82143.33637.93342.74643.80540.14543.06236.84239.32134.84234.194NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Gross Margin us-gaap:StatementBusinessSegments nvr:HomeBuildingSegmentNANA2263.6731920.7511588.7581555.7071946.8591873.3311757.4481643.206NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:StatementBusinessSegments nvr:HomeBuildingSegment█▁2224.561963.711NANA1588.7581555.707NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:StatementBusinessSegments us-gaap:HomeBuildingNANANA1920.7511588.7581555.7071946.8591873.3311757.4481643.2061954.4031809.3451750.4631490.0931781.4941633.726NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 SG&A Ratio us-gaap:StatementBusinessSegments nvr:HomeBuildingSegment█▁2224.561963.711NANA1588.7581555.707NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 SG&A Ratio us-gaap:StatementBusinessSegments us-gaap:HomeBuildingNANANA1920.7511588.7581555.7071946.8591873.3311757.4481643.2061954.4031809.3451750.4631490.0931781.4941633.726NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
 us-gaap:CostOfGoodsAndServicesSold us-gaap:StatementBusinessSegments nvr:HomeBuildingSegment█▁1721.6731577.453NANA1284.4931294.743NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CostOfGoodsAndServicesSold us-gaap:StatementBusinessSegments us-gaap:HomeBuildingNANANA1536.0441284.4931294.7431567.3921518.2761425.3881338.8061590.7351472.6491416.7971211.9461438.3071307.971NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GeneralAndAdministrativeExpense us-gaap:StatementBusinessSegments nvr:MortgageBankingSegment█▁22.61321.656NANA18.75818.211NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GeneralAndAdministrativeExpense us-gaap:StatementBusinessSegments us-gaap:MortgageBankingNANANA20.1818.75818.21121.85920.40720.83416.75821.46721.3421.79619.23518.33818.01NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GrossProfit us-gaap:StatementBusinessSegments nvr:HomeBuildingSegmentNANA441.552384.707304.265260.964379.467355.055332.06304.4NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic █▆▇▆▄▃▆▅▅▄▅▅▅▄▅▅▄▃▄▄▃▂▄▄▃▁▃▃▂▁▃▃▂▁▂▂417.465312.006385.37321.457209.831161.375295.302267.174244.712218.607277.438249.71241.586190.998261.318244.464208.968132.161228.662185.003144.72103.312207.169184.996148.68462.363151.224143.791108.82449.707151.82131.5980.18155.10596.03184.133NANANANANANANANANA
us-gaap:IncomeTaxExpenseBenefit ▆▅▅▅▄▁▃▄▃▃▄▄▃▃█▅▄▃▅▅▄▃▅▅▄▃▄▄▄▃▄▄▃▃▃▃▂▂▃▃▃▂▃▃▄96.1763.24480.36664.99145.756-14.32839.16543.38734.50330.20145.2853.89438.41224.949136.69982.36261.09129.23877.77167.61153.04438.00973.16568.52655.28923.30551.77353.63940.64625.85854.00948.65529.49120.06435.40431.13317.11710.83518.05325.53324.9099.66127.81520.94646.983
us-gaap:IncomeTaxesPaidNet █▁▄▄▁▁▃▃▄▁▃▃▄▁▅▄▅▁▄▃▄▂▄▄▃▂▃▃▂▂▃▃▁▁▂▂▂▁▂▁▁▁▂▁▁169.9282.63576.86274.4749.3022.43844.79937.6369.172.31655.40439.49382.9363.33390.28370.57992.2917.07970.86758.03973.56216.51670.82971.0638.32314.45860.06858.64434.46728.66158.01542.2639.7043.24223.5521.01315.417-0.37627.038.73.39810.63523.2457.7141.024
us-gaap:InterestExpense ███▇▆▄▄▄▄▄▄▄▄▄▄▄▄▄▄▃▃▃▃▄▄▄▄▄▃▄▄▃▃▃▃▁13.2713.39713.17411.6879.5256.4866.5716.2936.3016.2156.2736.1976.3296.2826.3156.125.9145.8366.1815.6244.8145.0885.6046.0815.9565.9185.8485.7755.7235.7945.7635.6825.3745.5665.4951.511NANANANANANANANANA
us-gaap:InterestPaidNet █▇▇▇▂▇▂▇▂▇▂▇▂▇▂▇▁▇▂▇▁▆▂▇▂▇▂▇▂▇▂▇▂▇▂▂▂▂▂▂▂▂▂▂▃14.26112.61411.84812.3640.41912.1740.41311.9880.14211.910.11211.9150.17411.9770.13911.819-0.24311.5360.02311.333-1.27110.8370.23312.0920.18212.0390.21212.0860.13912.0270.20312.0660.21512.3920.3360.1180.2690.3180.4210.5230.5430.5130.6510.6273.94
us-gaap:NetIncomeLoss █▆█▇▄▅▇▆▅▅▆▅▅▄▄▄▄▃▄▃▃▂▄▃▃▂▃▃▂▁▃▃▂▁▂▂▂▁▁▂▂▁▂▂▂321.295248.762305.004256.466164.075175.703256.137223.787210.209188.406232.158195.816203.174166.049124.619162.102147.877102.923150.891117.39291.67665.303134.004116.4793.39539.05899.45190.15268.17823.84997.81182.93550.6935.04160.62753.046.83820.12332.39243.40938.44515.17458.69843.94471.276
 us-gaap:OperatingIncomeLoss us-gaap:StatementBusinessSegments nvr:HomeBuildingSegment█▁391.113266.425NANA203.971156.133NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OperatingIncomeLoss us-gaap:StatementBusinessSegments us-gaap:HomeBuildingNANANA280.954203.971156.133276.346251.782225.683194.403261.088230.164229.313174.577247.797231.864NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OtherIncome us-gaap:StatementBusinessSegments nvr:HomeBuildingSegment█▁1.6321.586NANA2.4085.336NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OtherIncome us-gaap:StatementBusinessSegments nvr:MortgageBankingSegment█▁0.9880.867NANA0.6790.649NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OtherIncome us-gaap:StatementBusinessSegments us-gaap:HomeBuildingNANANA1.9882.4085.3366.5136.6965.8335.7374.8582.842.1641.9772.2721.715NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OtherIncome us-gaap:StatementBusinessSegments us-gaap:MortgageBankingNANANA0.8870.6790.6490.8180.8190.6810.5390.7220.6590.6410.5240.650.583NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:Revenues █▇█▇▅▅▇▆▆▅▇▆▆▅▆▅▅▄▆▅▄▃▅▄▄▃▄▄▃▂▄▄▃▂▃▂▂▁▂▂▂▁▂▂▃2283.5982041.4462344.0151990.0121620.3681582.5271990.1951911.2641800.1941687.0111994.5481852.4071787.3051529.4141816.3361667.921544.4921277.0921752.7661537.5691388.1831144.0261555.2751402.3511243.633957.7491328.0381203.1661102.054811.311242.1521188.9671009.892770.256943.738870.637769.783600.492741.288707.476695.881514.504811.005676.169964.504
 us-gaap:SellingGeneralAndAdministrativeExpense us-gaap:StatementBusinessSegments nvr:HomeBuildingSegment▁█113.406121.419NANA102.702110.167NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:SellingGeneralAndAdministrativeExpense us-gaap:StatementBusinessSegments us-gaap:HomeBuildingNANANA105.741102.702110.167109.634109.969112.21115.734107.438109.372106.517105.54797.66295.606NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:Assets ███▇▆▅▄▅▄▄▃▃▃▃▃▃▃▃▂▃▃▂▂▂▂▂▂▂▂▂▂▂▂▃▂▂▁▁▁▁▂▂▂5854.4365820.8085777.1415499.924730.023887.5233809.8153843.3593603.243362.7713165.9333089.8233009.3952846.0652989.2793049.5112918.0872742.2992643.9432663.2162698.4242541.6512515.1312570.6822596.2352376.1342351.3352413.0762382.0632524.7532486.1482518.8972531.1672665.0552604.8422480.7261990.961850.9121779.4851799.6162175.6752275.7282260.061NANA
us-gaap:Liabilities ███▇▆▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▃▃▃▄▃▃▃▃▃▃▃▁▁▁▁▁▁▁2812.1482774.3012674.0672580.9272117.6081470.6041468.5711471.9021483.8011463.9951357.3711407.5071401.8241379.2571383.7871398.8351382.311334.0191339.5021364.0771340.8231285.1881275.9661330.1921321.3541210.8971227.081261.6821282.8481198.6711224.7961243.8031210.8881112.9631124.3651101.418469.136432.671404.686453.597524.879457.527519.687NANA
us-gaap:LiabilitiesAndStockholdersEquity ███▇▆▅▄▅▄▄▃▃▃▃▃▃▃▃▂▃▃▂▂▂▂▂▂▂▂▂▂▂▂▃▂▂▁▁▁▁▂▂▂5854.4365820.8085777.1415499.924730.023887.5233809.8153843.3593603.243362.7713165.9333089.8233009.3952846.0652989.2793049.5112918.0872742.2992643.9432663.2162698.4242541.6512515.1312570.6822596.2352376.1342351.3352413.0762382.0632524.7532486.1482518.8972531.1672665.0552604.8422480.7261990.961850.9121779.4851799.6162175.6752275.7282260.061NANA
us-gaap:StockholdersEquity ███▇▆▆▅▅▅▄▃▃▃▂▃▃▃▂▂▂▂▂▁▁▂▁▁▁▁▂▂▂▂▃▂▂▂▂▂▂▃▄▃3042.2883046.5073103.0742918.9932612.4122416.9192341.2442371.4572119.4391898.7761808.5621682.3161607.5711466.8081605.4921650.6761535.7771408.281304.4411299.1391357.6011256.4631239.1651240.491274.8811165.2371124.2551151.3941099.2151326.0821261.3521275.0941320.2791552.0921480.4771379.3081521.8241418.2411374.7991346.0191650.7961818.2011740.374NANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:CashAndCashEquivalentsAtCarryingValue NANA2809.782NANANA1160.804NANANA732.248NANANA667.863628.061529.313493.761396.619262.428364.494318.982425.316387.462497.585532.513545.419466.293553.705879.323866.253814.197778.4241087.7311153.5071078.548593.263575.159480.794497.122930.3961220.2951193.751055.8431090.882
 us-gaap:CashAndCashEquivalentsAtCarryingValue dei:LegalEntity nvr:ConsolidatedJointVentureNANA0.269NANANA0.281NANANA0.32NANANA1.069NANA1.211.2141.211.2920.9950.991.1691.8541.5450.481NANANANANANANANANANANANANANANANANANA
 us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:ConsolidationItems nvr:CorporateAndReconcilingItemsNANA2714.72NANANA1110.892NANANA688.783NANANA645.087NANANA375.748NANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:ConsolidationItems nvr:CorporateReconcilingItemsAndEliminations███▇▆▃▃▃▂▂▂▂▁▁▂▂▁▁▁2597.5652753.1232714.722539.461982.891078.5981110.8921068.172860.956805.195688.783598.789417.341414.763645.087611.094518.482482.689375.748NANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:StatementBusinessSegments nvr:HomeBuildingSegment▁█▆2597.5652753.1232714.72NANANA1110.892NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:StatementBusinessSegments nvr:MortgageBankingSegment▁▁█20.75721.06163.547NANANA29.412NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:StatementBusinessSegments us-gaap:HomeBuildingNANANA2539.461982.891078.5981110.8921068.172860.956805.195688.783598.789NANA645.087NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:StatementBusinessSegments us-gaap:MortgageBankingNANANA21.54617.98613.39829.41226.76521.36311.25823.09211.081NANA21.707NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ███▇▆▃▃▃▂▂▂▂▁▁▂▂▁▁▁2664.8262814.5172809.7822592.4752027.9971118.2671160.8041116.06906.409840.699732.248632.55458.48450.711689.557643.933548.176510.74416.037NANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType,us-gaap:StatementBusinessSegments nvr:OfficeFacilitiesAndOtherEquipment,nvr:HomeBuildingSegmentNANA39.647NANANA39.218NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType,us-gaap:StatementBusinessSegments nvr:OfficeFacilitiesAndOtherEquipment,nvr:MortgageBankingSegmentNANA14.716NANANA14.617NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType,us-gaap:StatementBusinessSegments nvr:ProductionFacility,nvr:HomeBuildingSegmentNANA77.42NANANA71.295NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType,us-gaap:StatementBusinessSegments us-gaap:FurnitureAndFixtures,nvr:HomeBuildingSegmentNANA32.686NANANA31.352NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:StatementBusinessSegments nvr:HomeBuildingSegmentNANA165.525NANANA148.916NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment us-gaap:PropertyPlantAndEquipmentByType,us-gaap:StatementBusinessSegments nvr:OfficeFacilitiesAndOtherEquipment,nvr:MortgageBankingSegmentNANA10.172NANANA8.789NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment us-gaap:StatementBusinessSegments nvr:HomeBuildingSegmentNANA107.739NANANA96.656NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentNet us-gaap:PropertyPlantAndEquipmentByType,us-gaap:StatementBusinessSegments nvr:OfficeFacilitiesAndOtherEquipment,nvr:MortgageBankingSegmentNANA4.544NANANA5.828NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentNet us-gaap:StatementBusinessSegments nvr:HomeBuildingSegment▁▄█54.37955.7257.786NANANA52.26NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentNet us-gaap:StatementBusinessSegments nvr:MortgageBankingSegment▁▆█4.2364.464.544NANANA5.828NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentNet us-gaap:StatementBusinessSegments us-gaap:HomeBuildingNANANA58.5750.45950.90552.2650.46348.27943.26942.23442.399NANA43.191NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentNet us-gaap:StatementBusinessSegments us-gaap:MortgageBankingNANANA4.8965.2585.5795.8286.0586.246.2746.516.763NANA6.327NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures ▁▁▁▂▂▂▁▁▁▂▂▂▃▃▃▃▃▄▄▄▄▄▅▅▆▆▇▇▇▇█▇██▇21.725.923.628.728.427.826.724.625.031.129.431.7540.043.045.542.344.047.749.451.553.155.760.563.768.574.482.087.185.586.392.785.490.892.582.9NANANA89.5NANANA37.2NANA
 us-gaap:IntangibleAssetsNetIncludingGoodwill us-gaap:ConsolidationItems nvr:CorporateAndReconcilingItemsNANA49.678NANANA49.834NANANA49.989NANANA50.144NANANA51.526NANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IntangibleAssetsNetIncludingGoodwill us-gaap:ConsolidationItems nvr:CorporateReconcilingItemsAndEliminations▁▁▁▁▂▂▂▂▂▂▂▃▃▃▃▄▅▇█49.60149.6449.67849.71749.75649.79549.83449.87249.91149.9549.98950.02850.06650.10550.14450.4950.83551.18151.526NANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:DeferredTaxAssetsLiabilitiesNet NANA140.245NANANA122.676NANANA118.604NANANA119.519NANANA180.81NANANA170.786NANANA172.688NANANA168.512NANANA151.662NANANA164.416NANANA192.487NANA
 us-gaap:OperatingLeaseRightOfUseAsset us-gaap:ConsolidationItems nvr:CorporateAndReconcilingItemsNANA53.11NANANA63.825NANANA0.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OperatingLeaseRightOfUseAsset us-gaap:ConsolidationItems nvr:CorporateReconcilingItemsAndEliminations█▆▇▇▇▇████▁61.7450.7753.1154.96457.70160.00363.82563.50565.02765.5190.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OperatingLeaseRightOfUseAsset us-gaap:StatementBusinessSegments nvr:HomeBuildingSegment█▁▂61.7450.7753.11NANANA63.825NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OperatingLeaseRightOfUseAsset us-gaap:StatementBusinessSegments nvr:MortgageBankingSegment▁▅█11.62712.08712.439NANANA13.345NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OperatingLeaseRightOfUseAsset us-gaap:StatementBusinessSegments us-gaap:HomeBuildingNANANA54.96457.70160.00363.82563.50565.02765.5190.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OperatingLeaseRightOfUseAsset us-gaap:StatementBusinessSegments us-gaap:MortgageBankingNANANA13.37614.22615.61313.34513.85714.07812.370.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:StockholdersEquity ███▇▆▆▅▅▅▄▃▃▃▂▃▃▃▂▂▂▂▂▁▁▂▁▁▁▁▂▂▂▂▃▂▂▂▂▂▂▃▄▃3042.2883046.5073103.0742918.9932612.4122416.9192341.2442371.4572119.4391898.7761808.5621682.3161607.5711466.8081605.4921650.6761535.7771408.281304.4411299.1391357.6011256.4631239.1651240.491274.8811165.2371124.2551151.3941099.2151326.0821261.3521275.0941320.2791552.0921480.4771379.3081521.8241418.2411374.7991346.0191650.7961818.2011740.374NANA
us-gaap:AdditionalPaidInCapitalCommonStock ██▇▇▇▇▇▆▆▆▅▅▅▅▅▄▄▄▄▄▄▄▄▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▁▁▁2314.5642272.0062214.4262188.2072151.6232127.3152055.4072020.181962.1561899.11820.2231762.3231721.6961678.11644.1971626.1121607.9581570.271515.8281499.771483.0641467.01447.7951420.2141389.7251370.7631325.4951299.5331277.7551259.411212.051208.6531196.3851184.9611169.6991134.3061113.1181074.2151072.7791054.2341037.2991014.017951.234NANA
us-gaap:RetainedEarningsAccumulatedDeficit ██▇▇▇▆▆▆▅▅▅▅▄▄▄▄▄▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁9381.1779059.8828811.128506.1168249.658085.5757909.8727653.7357429.9487219.7397031.3336799.1756603.3596400.1856231.946107.3215945.2195797.3425695.3765544.4855427.0935335.4175270.1145136.115019.644926.2454887.1874787.7364697.5844629.4064605.5574507.7464424.8114374.1214339.084278.4534225.4534178.6154158.4924126.14082.6914044.2464029.072NANA
us-gaap:TreasuryStockValue ██▇▇▇▇▇▆▆▆▆▆▅▅▅▅▅▅▄▄▄▄▄▄▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▁▁▁8653.6598285.5877922.6787775.5367789.0677796.1777624.2417302.6647272.8717220.2697043.26879.3886717.696611.6836270.8516082.9636017.6065959.5385906.9695745.3225552.7625546.165478.955316.045134.695131.9775088.6334936.0814876.334562.944556.4614441.5114301.1234007.1964028.5084033.6573816.9533834.7953856.6783834.5213469.43240.2683240.138NANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue ▄▅▅▄▅▂▇▇▆▆██▆▃▄▄▃▃▄▃▃▃▅▄▄▄▆▆▅▃▁▄▃▂▅▆▅▅▅▅13.37914.47115.22913.63914.4347.49219.85220.7718.57719.33324.01123.58618.5959.50911.88411.21110.87810.58911.13911.08110.82910.54914.21713.57112.90413.39918.35318.23315.93810.7033.91111.73310.5898.06314.70516.96316.73316.4416.50716.261NANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:NetCashProvidedByUsedInOperatingActivities ▄▇█▄▇▁█▄▁▅▅192.762328.258345.929208.671302.22868.441357.099206.81774.764227.855231.311NANANANANANANANANANANANANANANANANA-1.294-15.786182.057178.679-12.421-78.09385.934106.059-18.44790.8386.04420.642-16.19-9.033140.987-19.29351.857
us-gaap:NetCashProvidedByUsedInInvestingActivities ▂▂█▂▂▂▁▂▃▃▃-3.228-3.3948.166-4.293-4.548-3.258-5.963-4.523-0.919-1.879-1.69NANANANANANANANANANANANANANANANANA-12.1650.005-15.924-1.846-2.701-14.006-17.343-2.953-2.024-0.291-1.4981.06-64.9663.53823.707148.854-52.89
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁▁▂▆█▃▁▄▃▃▃-339.225-320.129-136.788360.1612.05-107.72-306.3927.357-8.135-117.525-129.923NANANANANANANANANANANANANANANANANA-312.15928.851-114.077-141.06-294.18526.3236.368382.17938.5753.818-20.874-454.976-208.74332.04-26.787-164.6-250.377
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▁▂▃▆█▂▂▃▂▃-149.6914.735217.307564.478909.73-42.53744.744209.65165.71108.451NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:DepreciationDepletionAndAmortization ▆▇▇███▇▇▇▇▇▇▇▇██████▇▇▇▇▇▇▇▆▅▅▅▄▃▃▂▂▂▁▁▁▁▁▁▁▁4.8355.2035.1915.5475.6325.6225.4495.2235.0845.0625.1155.0294.9885.0365.585.5935.7955.6995.6785.6575.4875.4475.3525.4415.465.2815.0314.6574.2163.714.0163.5273.0762.7722.2782.0921.9251.8051.7241.7121.6381.5981.7151.821.847
us-gaap:IncreaseDecreaseInInventories ▆▆▃▇▆▇▂▆▆▅▂▄▆▆▂▄▆▆▁▅▄█▂▅▆▆▂▅▆▆▂▄▆▇▃▄▅▆▄▅▅▅▂▆▃143.581120.71-54.104160.63687.5168.352-149.16198.721116.55928.059-167.96-12.54589.22398.193-130.3611.608132.517140.334-224.6369.116-13.931254.639-154.95175.917129.62584.212-144.72859.955109.773102.729-178.815-24.86596.689159.852-64.757-1.8264.69299.635-48.88844.85742.13561.423-131.495138.295-79.208
us-gaap:NetCashProvidedByUsedInOperatingActivities ▄▇█▄▇▁█▄▁▅▅192.762328.258345.929208.671302.22868.441357.099206.81774.764227.855231.311NANANANANANANANANANANANANANANANANA-1.294-15.786182.057178.679-12.421-78.09385.934106.059-18.44790.8386.04420.642-16.19-9.033140.987-19.29351.857
us-gaap:NetIncomeLoss █▆█▇▄▅▇▆▅▅▆▅▅▄▄▄▄▃▄▃▃▂▄▃▃▂▃▃▂▁▃▃▂▁▂▂▂▁▁▂▂▁▂▂▂321.295248.762305.004256.466164.075175.703256.137223.787210.209188.406232.158195.816203.174166.049124.619162.102147.877102.923150.891117.39291.67665.303134.004116.4793.39539.05899.45190.15268.17823.84997.81182.93550.6935.04160.62753.046.83820.12332.39243.40938.44515.17458.69843.94471.276
us-gaap:ShareBasedCompensation ▄▅▅▄▅▂▇▇▆▆██▆▃▄▄▃▃▄▃▃▃▅▄▄▄▆▆▅▃▁▄▃▂▅▆▅▅▅▅▅▅▄▇▅13.37914.47115.22913.63914.4347.49219.85220.7718.57719.33324.01123.58618.5959.50911.88411.21110.87810.58911.13911.08110.82910.54914.21713.57112.90413.39918.35318.23315.93810.7033.91111.73310.5898.06314.70516.96316.73316.4416.50716.26116.12515.5812.38619.92415.148
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:NetCashProvidedByUsedInInvestingActivities ▂▂█▂▂▂▁▂▃▃▃-3.228-3.3948.166-4.293-4.548-3.258-5.963-4.523-0.919-1.879-1.69NANANANANANANANANANANANANANANANANA-12.1650.005-15.924-1.846-2.701-14.006-17.343-2.953-2.024-0.291-1.4981.06-64.9663.53823.707148.854-52.89
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▂▂▂▃▃▂▃▃▃▃▃▃▃▂▃▃▃▃▃▃▄▃▃▃▂▃▃▄█▃▃▃▃▂▁▃▂▂▂▁▄▁▂▁▂3.5163.1043.794.1124.7073.515.9596.0415.4145.2854.8475.5676.1383.1134.5995.8864.6235.1615.8564.746.3425.4314.8094.8833.6924.8934.3486.51915.3725.4334.9475.9814.6333.4551.9984.3683.1042.8952.771.1966.4661.0122.6351.3872.04
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁▁▂▆█▃▁▄▃▃▃-339.225-320.129-136.788360.1612.05-107.72-306.3927.357-8.135-117.525-129.923NANANANANANANANANANANANANANANANANA-312.15928.851-114.077-141.06-294.18526.3236.368382.17938.5753.818-20.874-454.976-208.74332.04-26.787-164.6-250.377
us-gaap:PaymentsForRepurchaseOfCommonStock ██▄▁▁▅▇▂▃▅▅▄▃█▅▂▂▃▄▅▁▃▄▅▁▂▄▂▇▂▃▄376.941377.425154.4960.00.0216.582332.87561.06387.98216.499188.765173.831126.296357.242191.96770.69373.95985.547163.608195.2359.40787.101167.921194.1616.18663.099158.10861.988314.8732.578118.682140.83NANA7.153NANANA22.674365.743NANA39.786201.209NA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesOutstanding


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
Value3696000.03633000.03578000.03691000.03693000.03891000.04049000.04433700.04914100.04977600.05663600.0
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 End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value3897000.03935000.03939000.03861000.03908000.03988000.03959000.03955000.04056000.04142000.04220000.04263000.04202000.04097000.04125000.04165000.04135000.04296000.04262000.04235000.04354000.04495000.04620000.04695000.05013000.05122000.05132000.05221000.05159000.05437000.05929000.06020000.06011000.06405000.06399000.0
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value3623000.03673000.03706000.03682000.03663000.03672000.03612000.03607000.03612000.03635000.03675000.03747000.03748000.03705000.03858000.03900000.03884000.04050000.04066000.04057000.04196000.04349000.04467000.04588000.04889000.04979000.04999000.05106000.05044000.05301000.05785000.05823000.05748000.06123000.06066000.0
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value18000.023000.021000.0330000.026000.0251000.0318000.0363000.0371000.0349000.015000.08000.09000.079000.088000.078000.046000.028000.037000.028000.0758000.0753000.093000.0179710.0136960.0123940.0153310.0160670.0470220.0450930.0449130.0442100.0441250.0435550.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value88.6967.7282.2669.1944.5647.9769.8860.9458.252.2364.3654.2155.945.1933.443.2639.4627.7839.8330.4323.5116.8133.8728.7522.979.6323.8221.4915.685.3421.2418.0810.377.0412.2810.69.173.996.448.196.652.6110.327.6511.645.29
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
Value82.4563.2176.9365.1142.544.9664.4156.1153.0947.6458.5748.2849.0539.3428.8838.0235.1925.1237.828.4622.0115.7931.9227.1121.919.2223.2420.715.175.1621.1517.6710.116.8411.9810.338.973.96.327.986.482.529.967.3111.135.01
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

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold us-gaap:StatementBusinessSegments

us-gaap:CostOfGoodsAndServicesSold

nvr:HomeBuildingSegment


Cost
Period End2021-06-302021-03-312020-06-302020-03-31
Value1721157712841294
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0
Percentage of Revenues75.477.379.381.8
Percentage of Revenues nvr:HomeBuildingSegment77.480.380.883.2

us-gaap:HomeBuilding


Cost
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
Value1536128412941567151814251338159014721416121114381307
Percentage of CostOfGoodsAndServicesSold0.0100.0100.00.00.00.00.00.00.00.00.00.00.0
Percentage of Revenues77.279.381.878.879.479.279.479.879.579.379.279.278.4
Percentage of Revenues us-gaap:HomeBuilding80.080.883.280.581.081.181.581.481.480.981.380.780.1

General And Administrative Expense

us-gaap:GeneralAndAdministrativeExpense us-gaap:StatementBusinessSegments

us-gaap:GeneralAndAdministrativeExpense

nvr:MortgageBankingSegment


General
Period End2021-06-302021-03-312020-06-302020-03-31
Value22211818
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0
Percentage of Revenues1.01.11.21.2
Percentage of Revenues nvr:MortgageBankingSegment38.327.959.367.9

us-gaap:MortgageBanking


General
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
Value20181821202016212121191818
Percentage of GeneralAndAdministrativeExpense0.0100.0100.00.00.00.00.00.00.00.00.00.00.0
Percentage of Revenues1.01.21.21.11.11.21.01.11.21.21.31.01.1
Percentage of Revenues us-gaap:MortgageBanking29.159.367.950.453.848.738.353.549.659.248.952.652.7

Gross Profit

us-gaap:GrossProfit us-gaap:StatementBusinessSegments

us-gaap:GrossProfit

nvr:HomeBuildingSegment


Gross
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value441384304260379355332304
Percentage of GrossProfit100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues18.819.318.816.519.118.618.418.0
Percentage of Revenues nvr:HomeBuildingSegment19.520.019.216.819.519.018.918.5

Income Loss From Continuing Operations Before Income Taxes Domestic

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value417312385321209161295267244218277249241190261244208132228185144103207184148621511431084915113180559684
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues18.315.316.416.212.910.214.814.013.613.013.913.513.512.514.414.713.510.313.012.010.49.013.313.212.06.511.412.09.96.112.211.17.97.210.29.7

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic us-gaap:ConsolidationItems

nvr:CorporateReconcilingItemsAndEliminations


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value422.5445119-20.63616127.7145.617211125175.88525156.744
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic10.10.816.29.2-12.86.14.93.52.28.95.910.38.34.513.910.86.5
Percentage of Revenues1.90.12.61.2-1.30.90.70.50.31.20.71.51.10.51.71.10.6
Percentage of Revenues nvr:CorporateReconcilingItemsAndEliminations0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value37530936326919018226925023221027424422017924021919112619415912996181163138731381221025614014678579794
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic89.999.294.383.890.8112.891.393.995.196.599.197.891.194.192.289.791.795.584.986.189.293.587.688.292.9117.191.985.393.9114.692.4111.498.5104.3101.0112.9
Percentage of Revenues16.415.215.513.511.811.513.613.112.912.513.813.212.311.813.313.212.49.911.110.49.38.411.711.611.17.610.510.29.37.011.312.37.87.510.310.9
Percentage of Revenues us-gaap:OperatingSegments0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, nvr:MortgageBankingSegment


Income
Period End2021-06-302021-03-312020-06-302020-03-31
Value40591511
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic9.719.17.57.4
Percentage of Revenues1.82.91.00.8
Percentage of Revenues us-gaap:OperatingSegments nvr:MortgageBankingSegment0.00.00.00.0

us-gaap:OperatingSegments, us-gaap:MortgageBanking


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
Value52151126222629242719222019
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic16.57.57.49.18.510.713.58.710.98.111.87.97.9
Percentage of Revenues2.71.00.81.31.21.51.81.21.51.11.51.11.2
Percentage of Revenues us-gaap:OperatingSegments us-gaap:MortgageBanking0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic us-gaap:ConsolidationItems, us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, nvr:MidAtlantic, nvr:HomeBuildingSegment


Income
Period End2021-06-302021-03-312020-06-302020-03-31
Value1741299881
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic41.841.446.750.6
Percentage of Revenues7.66.36.15.2
Percentage of Revenues us-gaap:OperatingSegments nvr:MidAtlantic nvr:HomeBuildingSegment0.00.00.00.0

us-gaap:OperatingSegments, nvr:MidAtlantic, us-gaap:HomeBuilding


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
Value10498811301241239914311511291123109
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic32.646.750.644.246.750.645.551.846.146.547.747.444.8
Percentage of Revenues5.36.15.26.66.56.95.97.26.26.36.06.86.6
Percentage of Revenues us-gaap:OperatingSegments nvr:MidAtlantic us-gaap:HomeBuilding0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, nvr:MidEast, nvr:HomeBuildingSegment


Income
Period End2021-06-302021-03-312020-06-302020-03-31
Value59482731
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic14.315.713.019.3
Percentage of Revenues2.62.41.72.0
Percentage of Revenues us-gaap:OperatingSegments nvr:MidEast nvr:HomeBuildingSegment0.00.00.00.0

us-gaap:OperatingSegments, nvr:MidEast, us-gaap:HomeBuilding


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
Value45273147504035545142274644
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic14.013.019.316.118.816.516.219.520.717.514.217.818.4
Percentage of Revenues2.31.72.02.42.62.22.12.72.82.41.82.62.7
Percentage of Revenues us-gaap:OperatingSegments nvr:MidEast us-gaap:HomeBuilding0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, nvr:NorthEast, nvr:HomeBuildingSegment


Income
Period End2021-06-302021-03-312020-06-302020-03-31
Value21156.65810
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic5.24.93.26.3
Percentage of Revenues0.90.70.40.6
Percentage of Revenues us-gaap:OperatingSegments nvr:NorthEast nvr:HomeBuildingSegment0.00.00.00.0

us-gaap:OperatingSegments, nvr:NorthEast, us-gaap:HomeBuilding


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
Value146.6581015131111181816151818
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic4.43.26.35.34.94.75.26.87.46.98.27.07.7
Percentage of Revenues0.70.40.60.80.70.60.70.91.00.91.01.01.1
Percentage of Revenues us-gaap:OperatingSegments nvr:NorthEast us-gaap:HomeBuilding0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, nvr:SouthEast, nvr:HomeBuildingSegment


Income
Period End2021-06-302021-03-312020-06-302020-03-31
Value78564247
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic18.918.220.429.2
Percentage of Revenues3.52.82.63.0
Percentage of Revenues us-gaap:OperatingSegments nvr:SouthEast nvr:HomeBuildingSegment0.00.00.00.0

us-gaap:OperatingSegments, nvr:SouthEast, us-gaap:HomeBuilding


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
Value52424749393035343129233126
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic16.320.429.216.814.912.616.012.412.612.112.212.111.0
Percentage of Revenues2.62.63.02.52.11.72.11.71.71.61.51.71.6
Percentage of Revenues us-gaap:OperatingSegments nvr:SouthEast us-gaap:HomeBuilding0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic us-gaap:StatementBusinessSegments

nvr:HomeBuildingSegment


Income
Period End2021-06-302021-03-312020-06-302020-03-31
Value378253194149
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic90.681.292.892.9
Percentage of Revenues16.612.412.09.5
Percentage of Revenues nvr:HomeBuildingSegment17.012.912.39.6

nvr:MortgageBankingSegment


Income
Period End2021-06-302021-03-312020-06-302020-03-31
Value39581511
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic9.418.87.27.1
Percentage of Revenues1.72.90.90.7
Percentage of Revenues nvr:MortgageBankingSegment66.475.447.542.7

us-gaap:HomeBuilding


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
Value269194149270245219188255224223168241226
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic83.992.892.991.492.089.886.291.989.892.488.392.592.5
Percentage of Revenues13.512.09.513.612.912.211.212.812.112.511.013.313.6
Percentage of Revenues us-gaap:HomeBuilding14.012.39.613.913.112.511.513.112.412.811.313.613.8

us-gaap:MortgageBanking


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
Value51151125212530222518221918
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic16.17.27.18.68.010.213.88.110.27.611.77.57.5
Percentage of Revenues2.60.90.71.31.11.41.81.11.41.01.51.11.1
Percentage of Revenues us-gaap:MortgageBanking74.847.542.758.356.458.668.955.759.249.757.056.053.9

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
Value9663806445-14.328394334304553382413682612977675338736855235153402554482920353117101825249.66127204620
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 Revenues4.23.13.43.32.8-0.92.02.31.91.82.32.92.11.67.54.94.02.34.44.43.83.34.74.94.42.43.94.53.73.24.34.12.92.63.83.62.21.82.43.63.61.93.43.14.90.0

Income Taxes Paid Net

us-gaap:IncomeTaxesPaidNet

us-gaap:IncomeTaxesPaidNet


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
Value1692.63576749.3022.4384437692.3165539823.3339070927.07970587316707138146058342858429.7043.242232115-0.376278.73.39810237.7141.0248.686
Percentage of IncomeTaxesPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues7.40.13.33.70.60.22.32.03.80.12.82.14.60.25.04.26.00.64.03.85.31.44.65.13.11.54.54.93.13.54.73.61.00.42.52.42.0-0.13.61.20.52.12.91.10.10.0

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value131313119.5256.4866.5716.2936.3016.2156.2736.1976.3296.2826.3156.125.9145.8366.1815.6244.8145.0885.6046.0815.9565.9185.8485.7755.7235.7945.7635.6825.3745.5665.4951.511
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.60.70.60.60.60.40.30.30.40.40.30.30.40.40.30.40.40.50.40.40.30.40.40.40.50.60.40.50.50.70.50.50.50.70.60.2

us-gaap:InterestExpense us-gaap:ConsolidationItems

nvr:CorporateReconcilingItemsAndEliminations


Interest
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value1212119.1446.1945.9666.0245.9745.9536.0315.9875.8125.6245.5645.3224.5394.827
Percentage of InterestExpense96.596.996.696.095.594.895.696.196.195.395.395.095.195.394.694.394.9
Percentage of Revenues0.60.60.60.60.40.30.30.40.30.30.40.30.40.40.30.30.4
Percentage of Revenues nvr:CorporateReconcilingItemsAndEliminations0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:InterestExpense us-gaap:StatementBusinessSegments

nvr:HomeBuildingSegment


Interest
Period End2021-06-302021-03-312020-06-302020-03-31
Value12139.1666.214
Percentage of InterestExpense96.897.196.295.8
Percentage of Revenues0.60.60.60.4
Percentage of Revenues nvr:HomeBuildingSegment0.60.70.60.4

nvr:MortgageBankingSegment


Interest
Period End2021-06-302021-03-312020-06-302020-03-31
Value0.420.3910.3590.272
Percentage of InterestExpense3.22.93.84.2
Percentage of Revenues0.00.00.00.0
Percentage of Revenues nvr:MortgageBankingSegment0.70.51.11.0

us-gaap:HomeBuilding


Interest
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
Value119.1666.2146.3016.0086.0335.9936.0145.9686.0476.0075.9975.821
Percentage of InterestExpense96.896.295.895.995.595.796.495.996.395.595.695.095.1
Percentage of Revenues0.60.60.40.30.30.30.40.30.30.30.40.30.3
Percentage of Revenues us-gaap:HomeBuilding0.60.60.40.30.30.30.40.30.30.30.40.30.4

us-gaap:MortgageBanking


Interest
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
Value0.3780.3590.2720.270.2850.2680.2220.2590.2290.2820.2750.3180.299
Percentage of InterestExpense3.23.84.24.14.54.33.64.13.74.54.45.04.9
Percentage of Revenues0.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Revenues us-gaap:MortgageBanking0.51.11.00.60.80.60.50.60.50.80.70.90.9

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


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
Value141211120.419120.413110.142110.112110.174110.13911-0.243110.02311-1.271100.233120.182120.212120.139120.203120.215120.3360.1180.2690.3180.4210.5230.5430.5130.6510.6273.940.587
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.60.60.50.60.00.80.00.60.00.70.00.60.00.80.00.7-0.00.90.00.7-0.10.90.00.90.01.30.01.00.01.50.01.00.01.60.00.00.00.10.10.10.10.10.10.10.40.0

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
Value321248305256164175256223210188232195203166124162147102150117916513411693399990682397825035605346203243381558437132
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 Revenues14.112.213.012.910.111.112.911.711.711.211.610.611.410.96.99.79.68.18.67.66.65.78.68.37.54.17.57.56.22.97.97.05.04.56.46.16.13.44.46.15.52.97.26.57.40.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value32124830525616417525622321018823219520316612416214710215011791651341169339999068235035605346203243
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues14.112.213.012.910.111.112.911.711.711.211.610.611.410.96.99.79.68.18.67.66.65.78.68.37.54.17.57.56.22.95.04.56.46.16.13.44.46.1
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Operating Income Loss

us-gaap:OperatingIncomeLoss us-gaap:StatementBusinessSegments

us-gaap:OperatingIncomeLoss

nvr:HomeBuildingSegment


Operating
Period End2021-06-302021-03-312020-06-302020-03-31
Value391266203156
Percentage of OperatingIncomeLoss100.0100.0100.0100.0
Percentage of Revenues17.113.112.69.9
Percentage of Revenues nvr:HomeBuildingSegment17.613.612.810.0

us-gaap:HomeBuilding


Operating
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
Value280203156276251225194261230229174247231
Percentage of OperatingIncomeLoss0.0100.0100.00.00.00.00.00.00.00.00.00.00.0
Percentage of Revenues14.112.69.913.913.212.511.513.112.412.811.413.613.9
Percentage of Revenues us-gaap:HomeBuilding14.612.810.014.213.412.811.813.412.713.111.713.914.2

Other Income

us-gaap:OtherIncome us-gaap:StatementBusinessSegments

us-gaap:OtherIncome

nvr:HomeBuildingSegment


Other
Period End2021-06-302021-03-312020-06-302020-03-31
Value1.6321.5862.4085.336
Percentage of OtherIncome100.0100.0100.0100.0
Percentage of Revenues0.10.10.10.3
Percentage of Revenues nvr:HomeBuildingSegment0.10.10.20.3

nvr:MortgageBankingSegment


Other
Period End2021-06-302021-03-312020-06-302020-03-31
Value0.9880.8670.6790.649
Percentage of OtherIncome60.554.728.212.2
Percentage of Revenues0.00.00.00.0
Percentage of Revenues nvr:MortgageBankingSegment1.71.12.12.4

us-gaap:HomeBuilding


Other
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
Value1.9882.4085.3366.5136.6965.8335.7374.8582.842.1641.9772.2721.715
Percentage of OtherIncome0.0100.0100.00.00.00.00.00.00.00.00.00.00.0
Percentage of Revenues0.10.10.30.30.40.30.30.20.20.10.10.10.1
Percentage of Revenues us-gaap:HomeBuilding0.10.20.30.30.40.30.30.20.20.10.10.10.1

us-gaap:MortgageBanking


Other
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
Value0.8870.6790.6490.8180.8190.6810.5390.7220.6590.6410.5240.650.583
Percentage of OtherIncome0.028.212.20.00.00.00.00.00.00.00.00.00.0
Percentage of Revenues0.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Revenues us-gaap:MortgageBanking1.32.12.41.92.21.61.21.81.51.71.31.91.7

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value2283204123441990162015821990191118001687199418521787152918161667154412771752153713881144155514021243957132812031102811124211881009770943870769600741707695514811676964
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues us-gaap:StatementBusinessSegments

nvr:HomeBuildingSegment


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2224196322631920158815551946187317571643
Percentage of Revenues97.496.296.696.598.098.397.898.097.697.4
Percentage of Revenues97.496.296.696.598.098.397.898.097.697.4
Percentage of Revenues nvr:HomeBuildingSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nvr:MortgageBankingSegment


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value59778069312643374243
Percentage of Revenues2.63.83.43.52.01.72.22.02.42.6
Percentage of Revenues2.63.83.43.52.01.72.22.02.42.6
Percentage of Revenues nvr:MortgageBankingSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:HomeBuilding


Revenuesus-gaap:
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value192015881555194618731757164319541809175014901781163315121247
Percentage of Revenues96.598.098.397.898.097.697.498.097.797.997.498.197.997.997.7
Percentage of Revenues96.598.098.397.898.097.697.498.097.797.997.498.197.997.997.7
Percentage of Revenues us-gaap:HomeBuilding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MortgageBanking


Revenuesus-gaap:
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value693126433742434043363934343129
Percentage of Revenues3.52.01.72.22.02.42.62.02.32.12.61.92.12.12.3
Percentage of Revenues3.52.01.72.22.02.42.62.02.32.12.61.92.12.12.3
Percentage of Revenues us-gaap:MortgageBanking100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments

nvr:MidAtlantic, nvr:HomeBuildingSegment


Revenuesus-gaap:
Period End2021-06-302021-03-312020-06-302020-03-31
Value1048936839774
Percentage of Revenues45.945.951.848.9
Percentage of Revenues45.945.951.848.9
Percentage of Revenues nvr:MidAtlantic nvr:HomeBuildingSegment100.0100.0100.0100.0

nvr:MidAtlantic, us-gaap:HomeBuilding


Revenuesus-gaap:
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
Value9498397741026101298288110869919738421021927
Percentage of Revenues47.751.848.951.653.054.652.254.553.554.555.156.355.6
Percentage of Revenues47.751.848.951.653.054.652.254.553.554.555.156.355.6
Percentage of Revenues nvr:MidAtlantic us-gaap:HomeBuilding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nvr:MidEast, nvr:HomeBuildingSegment


Revenuesus-gaap:
Period End2021-06-302021-03-312020-06-302020-03-31
Value478424299320
Percentage of Revenues20.920.818.520.3
Percentage of Revenues20.920.818.520.3
Percentage of Revenues nvr:MidEast nvr:HomeBuildingSegment100.0100.0100.0100.0

nvr:MidEast, us-gaap:HomeBuilding


Revenuesus-gaap:
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
Value404299320396406359338410391363290354338
Percentage of Revenues20.418.520.319.921.320.020.120.621.220.319.019.520.3
Percentage of Revenues20.418.520.319.921.320.020.120.621.220.319.019.520.3
Percentage of Revenues nvr:MidEast us-gaap:HomeBuilding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nvr:NorthEast, nvr:HomeBuildingSegment


Revenuesus-gaap:
Period End2021-06-302021-03-312020-06-302020-03-31
Value19316298106
Percentage of Revenues8.57.96.16.7
Percentage of Revenues8.57.96.16.7
Percentage of Revenues nvr:NorthEast nvr:HomeBuildingSegment100.0100.0100.0100.0

nvr:NorthEast, us-gaap:HomeBuilding


Revenuesus-gaap:
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
Value15798106149120121122157152147122142141
Percentage of Revenues7.96.16.77.56.36.87.37.98.38.38.07.88.5
Percentage of Revenues7.96.16.77.56.36.87.37.98.38.38.07.88.5
Percentage of Revenues nvr:NorthEast us-gaap:HomeBuilding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nvr:SouthEast, nvr:HomeBuildingSegment


Revenuesus-gaap:
Period End2021-06-302021-03-312020-06-302020-03-31
Value504440350354
Percentage of Revenues22.121.621.622.4
Percentage of Revenues22.121.621.622.4
Percentage of Revenues nvr:SouthEast nvr:HomeBuildingSegment100.0100.0100.0100.0

nvr:SouthEast, us-gaap:HomeBuilding


Revenuesus-gaap:
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
Value408350354374334293300300273265234262226
Percentage of Revenues20.521.622.418.817.516.317.815.114.814.915.314.413.6
Percentage of Revenues20.521.622.418.817.516.317.815.114.814.915.314.413.6
Percentage of Revenues nvr:SouthEast us-gaap:HomeBuilding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense us-gaap:StatementBusinessSegments

us-gaap:SellingGeneralAndAdministrativeExpense

nvr:HomeBuildingSegment


Selling
Period End2021-06-302021-03-312020-06-302020-03-31
Value113121102110
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0
Percentage of Revenues5.05.96.37.0
Percentage of Revenues nvr:HomeBuildingSegment5.16.26.57.1

us-gaap:HomeBuilding


Selling
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
Value1051021101091091121151071091061059795
Percentage of SellingGeneralAndAdministrativeExpense0.0100.0100.00.00.00.00.00.00.00.00.00.00.0
Percentage of Revenues5.36.37.05.55.86.26.95.45.96.06.95.45.7
Percentage of Revenues us-gaap:HomeBuilding5.56.57.15.65.96.47.05.56.06.17.15.55.9

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
Value58545820577754994730388738093843360333623165308930092846298930492918274226432663269825412515257025962376235124132382252424862518253126652604248019901850177917992175227522602395
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 us-gaap:ConsolidationItems

nvr:CorporateAndReconcilingItems


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value30061362862829622
Percentage of Assets52.035.827.227.723.5
Percentage of Assets52.035.827.227.723.5
Percentage of Assets nvr:CorporateAndReconcilingItems100.0100.0100.0100.0100.0

nvr:CorporateReconcilingItemsAndEliminations


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value2992308730062828221613081362132811181058862800627609829873777746622
Percentage of Assets51.153.052.051.446.933.735.834.631.031.527.225.920.821.427.728.626.627.223.5
Percentage of Assets51.153.052.051.446.933.735.834.631.031.527.225.920.821.427.728.626.627.223.5
Percentage of Assets nvr:CorporateReconcilingItemsAndEliminations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value2862273327702671251325792447251424852304230322892382223621602176214019952021217821032009189519581896163216151722161414311414149715361258
Percentage of Assets48.947.048.048.653.166.364.265.469.068.572.874.179.278.672.371.473.472.876.581.877.979.175.476.273.068.768.771.467.856.756.959.560.748.3
Percentage of Assets48.947.048.048.653.166.364.265.469.068.572.874.179.278.672.371.473.472.876.581.877.979.175.476.273.068.768.771.467.856.756.959.560.748.3
Percentage of Assets us-gaap:OperatingSegments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, nvr:MortgageBankingSegment


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312019-12-31
Value410407555560
Percentage of Assets7.07.09.614.7
Percentage of Assets7.07.09.614.7
Percentage of Assets us-gaap:OperatingSegments nvr:MortgageBankingSegment100.0100.0100.0100.0

us-gaap:OperatingSegments, us-gaap:MortgageBanking


Assetsus-gaap:
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value403384522560482537487517365397
Percentage of Assets7.38.113.414.712.514.914.516.311.813.3
Percentage of Assets7.38.113.414.712.514.914.516.311.813.3
Percentage of Assets us-gaap:OperatingSegments us-gaap:MortgageBanking100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidationItems, us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, nvr:MidAtlantic, nvr:HomeBuildingSegment


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312019-12-31
Value1196117111401024
Percentage of Assets20.420.119.726.9
Percentage of Assets20.420.119.726.9
Percentage of Assets us-gaap:OperatingSegments nvr:MidAtlantic nvr:HomeBuildingSegment100.0100.0100.0100.0

us-gaap:OperatingSegments, nvr:MidAtlantic, us-gaap:HomeBuilding


Assetsus-gaap:
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value1198114811181024112210821043101810981079
Percentage of Assets21.824.328.826.929.230.031.032.235.536.1
Percentage of Assets21.824.328.826.929.230.031.032.235.536.1
Percentage of Assets us-gaap:OperatingSegments nvr:MidAtlantic us-gaap:HomeBuilding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, nvr:MidEast, nvr:HomeBuildingSegment


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312019-12-31
Value442403377293
Percentage of Assets7.66.96.57.7
Percentage of Assets7.66.96.57.7
Percentage of Assets us-gaap:OperatingSegments nvr:MidEast nvr:HomeBuildingSegment100.0100.0100.0100.0

us-gaap:OperatingSegments, nvr:MidEast, us-gaap:HomeBuilding


Assetsus-gaap:
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value395346325293322330294290324263
Percentage of Assets7.27.38.47.78.49.28.89.210.58.8
Percentage of Assets7.27.38.47.78.49.28.89.210.58.8
Percentage of Assets us-gaap:OperatingSegments nvr:MidEast us-gaap:HomeBuilding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, nvr:NorthEast, nvr:HomeBuildingSegment


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312019-12-31
Value246228202166
Percentage of Assets4.23.93.54.4
Percentage of Assets4.23.93.54.4
Percentage of Assets us-gaap:OperatingSegments nvr:NorthEast nvr:HomeBuildingSegment100.0100.0100.0100.0

us-gaap:OperatingSegments, nvr:NorthEast, us-gaap:HomeBuilding


Assetsus-gaap:
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value199189190166176154146144160143
Percentage of Assets3.64.04.94.44.64.34.44.65.24.8
Percentage of Assets3.64.04.94.44.64.34.44.65.24.8
Percentage of Assets us-gaap:OperatingSegments nvr:NorthEast us-gaap:HomeBuilding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, nvr:SouthEast, nvr:HomeBuildingSegment


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312019-12-31
Value566521494400
Percentage of Assets9.79.08.610.5
Percentage of Assets9.79.08.610.5
Percentage of Assets us-gaap:OperatingSegments nvr:SouthEast nvr:HomeBuildingSegment100.0100.0100.0100.0

us-gaap:OperatingSegments, nvr:SouthEast, us-gaap:HomeBuilding


Assetsus-gaap:
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value474444421400410380333332340277
Percentage of Assets8.69.410.910.510.710.69.910.511.09.3
Percentage of Assets8.69.410.910.510.710.69.910.511.09.3
Percentage of Assets us-gaap:OperatingSegments nvr:SouthEast us-gaap:HomeBuilding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:StatementBusinessSegments

nvr:HomeBuildingSegment


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312019-12-31
Value5436540552143242
Percentage of Assets92.992.990.385.1
Percentage of Assets92.992.990.385.1
Percentage of Assets nvr:HomeBuildingSegment100.0100.0100.0100.0

nvr:MortgageBankingSegment


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312019-12-31
Value418415562567
Percentage of Assets7.17.19.714.9
Percentage of Assets7.17.19.714.9
Percentage of Assets nvr:MortgageBankingSegment100.0100.0100.0100.0

us-gaap:HomeBuilding


Assetsus-gaap:
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value5088433833573242335330582868264127162584
Percentage of Assets92.591.786.485.187.384.985.383.487.986.5
Percentage of Assets92.591.786.485.187.384.985.383.487.986.5
Percentage of Assets us-gaap:HomeBuilding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MortgageBanking


Assetsus-gaap:
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value411391529567489544494524373404
Percentage of Assets7.58.313.614.912.715.114.716.612.113.5
Percentage of Assets7.58.313.614.912.715.114.716.612.113.5
Percentage of Assets us-gaap:MortgageBanking100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value281227742674258021171470146814711483146313571407140113791383139813821334133913641340128512751330132112101227126112821198122412431210111211241101469432404453524457519638
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 Assets48.047.746.346.944.837.838.538.341.243.542.945.646.648.546.345.947.448.650.751.249.750.650.751.750.951.052.252.353.947.549.349.447.841.843.244.423.623.422.725.224.120.123.026.7

us-gaap:Liabilities us-gaap:StatementBusinessSegments

nvr:HomeBuildingSegment


Liabilitiesus-gaap:
Period End2021-06-302021-03-312020-12-312019-12-31
Value2750270725981410
Percentage of Liabilities97.897.697.296.0
Percentage of Assets47.046.545.037.0
Percentage of Assets nvr:HomeBuildingSegment50.650.149.843.5

nvr:MortgageBankingSegment


Liabilitiesus-gaap:
Period End2021-06-302021-03-312020-12-312019-12-31
Value62667658
Percentage of Liabilities2.22.42.84.0
Percentage of Assets1.11.11.31.5
Percentage of Assets nvr:MortgageBankingSegment14.816.013.510.3

us-gaap:HomeBuilding


Liabilitiesus-gaap:
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value2520205913921410141714251407131313711350
Percentage of Liabilities97.797.394.796.096.396.196.196.897.497.6
Percentage of Assets45.843.535.837.036.939.641.941.544.445.2
Percentage of Assets us-gaap:HomeBuilding49.547.541.543.542.246.649.149.750.552.3

us-gaap:MortgageBanking


Liabilitiesus-gaap:
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value60577758545856443532
Percentage of Liabilities2.32.75.34.03.73.93.93.22.62.4
Percentage of Assets1.11.22.01.51.41.61.71.41.21.1
Percentage of Assets us-gaap:MortgageBanking14.714.714.710.311.210.711.48.49.68.1

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
Value58545820577754994730388738093843360333623165308930092846298930492918274226432663269825412515257025962376235124132382252424862518253126652604248019901850177917992175227522602395
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

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value3042304631032918261224162341237121191898180816821607146616051650153514081304129913571256123912401274116511241151109913261261127513201552148013791521141813741346165018181740175713731129
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets52.052.353.753.155.262.261.561.758.856.557.154.453.451.553.754.152.651.449.348.850.349.449.348.349.149.047.847.746.152.550.750.652.258.256.855.676.476.677.374.875.979.977.073.30.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

nvr:DeferredCompensationLiability


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-312007-12-31
Value1616161616161616161616161717171717171717171717171717171717171717172525252525252527407475
Percentage of StockholdersEquity0.50.50.50.60.60.70.70.70.80.90.91.01.11.21.11.11.11.21.31.31.31.41.41.41.41.51.51.51.61.31.41.31.21.71.81.71.81.91.91.51.62.35.56.7
Percentage of Assets0.30.30.30.30.40.40.40.40.50.50.50.50.60.60.60.60.60.60.70.70.60.70.70.70.70.70.70.70.70.70.70.70.71.01.01.31.41.41.41.21.21.70.00.0
Percentage of Assets nvr:DeferredCompensationLiability0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

nvr:DeferredCompensationTrust


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-312007-12-31
Value-16.71-16.71-16.71-16.71-16.71-16.912-16.912-16.912-16.912-16.912-16.937-16.928-17.148-17.389-17.383-17.376-17.371-17.383-17.375-17.367-17.355-17.343-17.333-17.333-17.333-17.333-17.333-17.333-17.741-17.741-17.741-17.741-17.864-25.331-25.331-25.331-25.331-25.581-25.582-25.582-27.582-40.799-74.978-75.636
Percentage of StockholdersEquity-0.5-0.5-0.5-0.6-0.6-0.7-0.7-0.7-0.8-0.9-0.9-1.0-1.1-1.2-1.1-1.1-1.1-1.2-1.3-1.3-1.3-1.4-1.4-1.4-1.4-1.5-1.5-1.5-1.6-1.3-1.4-1.3-1.2-1.7-1.8-1.7-1.8-1.9-1.9-1.5-1.6-2.3-5.5-6.7
Percentage of Assets-0.3-0.3-0.3-0.3-0.4-0.4-0.4-0.4-0.5-0.5-0.5-0.5-0.6-0.6-0.6-0.6-0.6-0.6-0.7-0.7-0.6-0.7-0.7-0.7-0.7-0.7-0.7-0.7-0.7-0.7-0.7-0.7-0.7-1.0-1.0-1.3-1.4-1.4-1.4-1.2-1.2-1.70.00.0
Percentage of Assets nvr:DeferredCompensationTrust0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-312007-12-31
Value2314227222142188215121272055202019621899182017621721167816441626160715701515149914831467144714201389137013251299127712591212119611841169113411131074107210541037951830722663
Percentage of StockholdersEquity76.174.671.475.082.488.087.885.292.6100.0100.6104.8107.1114.4102.498.5104.7111.5116.2115.4109.2116.8116.8114.5109.0117.6117.9112.9116.295.096.190.676.379.082.273.175.778.078.362.854.747.352.658.8
Percentage of Assets39.539.038.339.845.554.754.052.654.556.557.557.057.259.055.053.355.157.357.356.355.057.757.655.253.557.756.453.953.649.948.847.344.544.945.755.958.060.358.647.742.134.70.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-312007-12-31
Value93819059881185068249808579097653742972197031679966036400623161075945579756955544542753355270513650194926488747874697462946054424437443394278422541784158412640824029382336303529
Percentage of StockholdersEquity308.4297.4283.9291.4315.8334.5337.8322.7350.6380.2388.8404.2410.8436.3388.2370.0387.1411.7436.6426.8399.8424.6425.3414.0393.7422.8434.7415.8427.4349.1365.1335.1281.8293.1310.2277.7294.6302.5306.5247.3231.5217.6264.3312.6
Percentage of Assets160.2155.6152.5154.7174.4208.0207.6199.1206.2214.7222.1220.1219.4224.9208.5200.3203.7211.4215.4208.2201.1209.9209.5199.8193.3207.3207.8198.4197.2183.4185.2174.8164.1166.6172.5212.2225.8233.7229.3187.7178.3159.60.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-312007-12-31
Value-8653.659-8285.587-7922.678-7775.536-7789.067-7796.177-7624.241-7302.664-7272.871-7220.269-7043.2-6879.388-6717.69-6611.683-6270.851-6082.963-6017.606-5959.538-5906.969-5745.322-5552.762-5546.16-5478.95-5316.04-5134.69-5131.977-5088.633-4936.081-4876.33-4562.94-4556.461-4301.123-4007.196-4028.508-4033.657-3816.953-3834.795-3856.678-3834.521-3469.4-3240.138-2896.542-2979.569-3064.457
Percentage of StockholdersEquity-284.4-272.0-255.3-266.4-298.2-322.6-325.6-307.9-343.2-380.3-389.4-408.9-417.9-450.8-390.6-368.5-391.8-423.2-452.8-442.2-409.0-441.4-442.1-428.5-402.8-440.4-452.6-428.7-443.6-344.1-361.2-325.8-258.2-272.1-292.4-250.8-270.4-280.5-284.9-210.2-186.2-164.8-216.9-271.3
Percentage of Assets-147.8-142.3-137.1-141.4-164.7-200.5-200.1-190.0-201.8-214.7-222.5-222.6-223.2-232.3-209.8-199.5-206.2-217.3-223.4-215.7-205.8-218.2-217.8-206.8-197.8-216.0-216.4-204.6-204.7-180.7-183.3-169.9-150.4-154.7-162.6-191.7-207.2-216.7-213.1-159.5-143.4-120.90.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value280911607326676285294933962623643184253874975325454665538798668147781087115310785935754804979301220119310551090134212501147664
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets48.630.523.122.320.618.118.015.09.913.512.616.915.119.222.423.219.323.234.834.832.330.840.844.343.529.831.127.027.642.853.652.80.00.00.052.20.00.0

us-gaap:CashAndCashEquivalentsAtCarryingValue dei:LegalEntity

nvr:ConsolidatedJointVenture


Cash
Period End2020-12-312019-12-312018-12-312017-12-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value0.2690.2810.321.0691.211.2141.211.2920.9950.991.1691.8541.5450.481
Percentage of CashAndCashEquivalentsAtCarryingValue0.00.00.00.20.20.30.50.40.30.20.30.40.30.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.10.10.0
Percentage of Assets nvr:ConsolidatedJointVenture0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:ConsolidationItems

nvr:CorporateAndReconcilingItems


Cash
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value27141110688645375
Percentage of CashAndCashEquivalentsAtCarryingValue96.695.794.196.694.7
Percentage of Assets47.029.221.821.614.2
Percentage of Assets nvr:CorporateAndReconcilingItems90.381.579.977.860.4

nvr:CorporateReconcilingItemsAndEliminations


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value25972753271425391982107811101068860805688598417414645611518482375
Percentage of CashAndCashEquivalentsAtCarryingValue0.00.096.60.00.00.095.70.00.00.094.10.00.00.096.697.398.097.894.7
Percentage of Assets44.447.347.046.241.927.729.227.823.923.921.819.413.914.621.620.017.817.614.2
Percentage of Assets nvr:CorporateReconcilingItemsAndEliminations86.889.290.389.889.482.481.580.477.076.179.974.866.568.077.870.066.764.760.4

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:StatementBusinessSegments

nvr:HomeBuildingSegment


Cash
Period End2021-06-302021-03-312020-12-312019-12-31
Value2597275327141110
Percentage of CashAndCashEquivalentsAtCarryingValue0.00.096.695.7
Percentage of Assets44.447.347.029.2
Percentage of Assets nvr:HomeBuildingSegment47.850.952.134.3

nvr:MortgageBankingSegment


Cash
Period End2021-06-302021-03-312020-12-312019-12-31
Value20216329
Percentage of CashAndCashEquivalentsAtCarryingValue0.00.02.32.5
Percentage of Assets0.40.41.10.8
Percentage of Assets nvr:MortgageBankingSegment5.05.111.35.2

us-gaap:HomeBuilding


Cash
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value25391982107811101068860805688598645
Percentage of CashAndCashEquivalentsAtCarryingValue0.00.00.095.70.00.00.094.10.096.6
Percentage of Assets46.241.927.729.227.823.923.921.819.421.6
Percentage of Assets us-gaap:HomeBuilding49.945.732.134.331.828.228.126.122.025.0

us-gaap:MortgageBanking


Cash
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value21171329262111231121
Percentage of CashAndCashEquivalentsAtCarryingValue0.00.00.02.50.00.00.03.20.03.3
Percentage of Assets0.40.40.30.80.70.60.30.70.40.7
Percentage of Assets us-gaap:MortgageBanking5.24.62.55.25.53.92.34.43.05.4

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value26642814280925922027111811601116906840732632458450689643548510416
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets45.548.448.647.142.928.830.529.025.225.023.120.515.215.823.121.118.818.615.7

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType, us-gaap:StatementBusinessSegments

us-gaap:PropertyPlantAndEquipmentGross

nvr:OfficeFacilitiesAndOtherEquipment, nvr:HomeBuildingSegment


Property
Period End2020-12-312019-12-31
Value3939
Percentage of PropertyPlantAndEquipmentGross100.0100.0
Percentage of Assets0.71.0
Percentage of Assets nvr:OfficeFacilitiesAndOtherEquipment nvr:HomeBuildingSegment0.00.0

nvr:OfficeFacilitiesAndOtherEquipment, nvr:MortgageBankingSegment


Property
Period End2020-12-312019-12-31
Value1414
Percentage of PropertyPlantAndEquipmentGross37.137.3
Percentage of Assets0.30.4
Percentage of Assets nvr:OfficeFacilitiesAndOtherEquipment nvr:MortgageBankingSegment0.00.0

nvr:ProductionFacility, nvr:HomeBuildingSegment


Property
Period End2020-12-312019-12-31
Value7771
Percentage of PropertyPlantAndEquipmentGross195.3181.8
Percentage of Assets1.31.9
Percentage of Assets nvr:ProductionFacility nvr:HomeBuildingSegment0.00.0

us-gaap:FurnitureAndFixtures, nvr:HomeBuildingSegment


Property
Period End2020-12-312019-12-31
Value3231
Percentage of PropertyPlantAndEquipmentGross82.479.9
Percentage of Assets0.60.8
Percentage of Assets us-gaap:FurnitureAndFixtures nvr:HomeBuildingSegment0.00.0

us-gaap:PropertyPlantAndEquipmentGross us-gaap:StatementBusinessSegments

nvr:HomeBuildingSegment


Property
Period End2020-12-312019-12-31
Value165148
Percentage of PropertyPlantAndEquipmentGross417.5379.7
Percentage of Assets2.93.9
Percentage of Assets nvr:HomeBuildingSegment3.24.6

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment us-gaap:PropertyPlantAndEquipmentByType, us-gaap:StatementBusinessSegments

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

nvr:OfficeFacilitiesAndOtherEquipment, nvr:MortgageBankingSegment


Accumulated
Period End2020-12-312019-12-31
Value108.789
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0
Percentage of Assets0.20.2
Percentage of Assets nvr:OfficeFacilitiesAndOtherEquipment nvr:MortgageBankingSegment0.00.0

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment us-gaap:StatementBusinessSegments

nvr:HomeBuildingSegment


Accumulated
Period End2020-12-312019-12-31
Value10796
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment1059.21099.7
Percentage of Assets1.92.5
Percentage of Assets nvr:HomeBuildingSegment2.13.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet us-gaap:PropertyPlantAndEquipmentByType, us-gaap:StatementBusinessSegments

us-gaap:PropertyPlantAndEquipmentNet

nvr:OfficeFacilitiesAndOtherEquipment, nvr:MortgageBankingSegment


Property
Period End2020-12-312019-12-31
Value4.5445.828
Percentage of PropertyPlantAndEquipmentNet100.0100.0
Percentage of Assets0.10.2
Percentage of Assets nvr:OfficeFacilitiesAndOtherEquipment nvr:MortgageBankingSegment0.00.0

us-gaap:PropertyPlantAndEquipmentNet us-gaap:StatementBusinessSegments

nvr:HomeBuildingSegment


Property
Period End2021-06-302021-03-312020-12-312019-12-31
Value54555752
Percentage of PropertyPlantAndEquipmentNet0.00.01271.7896.7
Percentage of Assets0.91.01.01.4
Percentage of Assets nvr:HomeBuildingSegment1.01.01.11.6

nvr:MortgageBankingSegment


Property
Period End2021-06-302021-03-312020-12-312019-12-31
Value4.2364.464.5445.828
Percentage of PropertyPlantAndEquipmentNet0.00.0100.0100.0
Percentage of Assets0.10.10.10.2
Percentage of Assets nvr:MortgageBankingSegment1.01.10.81.0

us-gaap:HomeBuilding


Property
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value58505052504843424243
Percentage of PropertyPlantAndEquipmentNet0.00.00.0896.70.00.00.00.00.00.0
Percentage of Assets1.11.11.31.41.31.31.31.31.41.4
Percentage of Assets us-gaap:HomeBuilding1.21.21.51.61.51.61.51.61.61.7

us-gaap:MortgageBanking


Property
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value4.8965.2585.5795.8286.0586.246.2746.516.7636.327
Percentage of PropertyPlantAndEquipmentNet0.00.00.0100.00.00.00.00.00.00.0
Percentage of Assets0.10.10.10.20.20.20.20.20.20.2
Percentage of Assets us-gaap:MortgageBanking1.21.31.11.01.21.11.31.21.81.6

Investments In Affiliates Subsidiaries Associates And Joint Ventures

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-312010-12-31
Value21252328282726242531293140434542444749515355606368748287858692859092828937
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.40.40.50.60.70.70.60.70.90.91.01.31.51.51.41.51.71.91.92.02.22.42.52.63.13.53.63.63.43.73.43.63.53.25.01.6

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures us-gaap:BalanceSheetLocation

us-gaap:OtherAssets


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value2125232828272624253129313942454143474951525559636772808382839078848574
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.299.199.399.199.199.499.299.299.499.198.899.798.297.397.796.296.196.997.692.093.192.889.3
Percentage of Assets0.40.40.40.50.60.70.70.60.70.90.91.01.31.51.51.41.51.71.91.92.02.22.42.52.63.03.43.53.53.33.63.13.33.22.8
Percentage of Assets us-gaap:OtherAssets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Intangible Assets Net Including Goodwill

us-gaap:IntangibleAssetsNetIncludingGoodwill us-gaap:ConsolidationItems

us-gaap:IntangibleAssetsNetIncludingGoodwill

nvr:CorporateAndReconcilingItems


Intangible
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value4949495051
Percentage of IntangibleAssetsNetIncludingGoodwill100.0100.0100.0100.0100.0
Percentage of Assets0.91.31.61.71.9
Percentage of Assets nvr:CorporateAndReconcilingItems1.73.75.86.08.3

nvr:CorporateReconcilingItemsAndEliminations


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value49494949494949494949495050505050505151
Percentage of IntangibleAssetsNetIncludingGoodwill0.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.0
Percentage of Assets0.80.90.90.91.11.31.31.31.41.51.61.61.71.81.71.71.71.91.9
Percentage of Assets nvr:CorporateReconcilingItemsAndEliminations1.71.61.71.82.23.83.73.84.54.75.86.38.08.26.05.86.56.98.3

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
Value140122118119180170172168151164192
Percentage of DeferredTaxAssetsLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.43.23.74.06.86.87.36.85.89.28.5

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset us-gaap:ConsolidationItems

us-gaap:OperatingLeaseRightOfUseAsset

nvr:CorporateAndReconcilingItems


Operating
Period End2020-12-312019-12-312018-12-31
Value53630.0
Percentage of OperatingLeaseRightOfUseAsset100.0100.00.0
Percentage of Assets0.91.70.0
Percentage of Assets nvr:CorporateAndReconcilingItems1.84.70.0

nvr:CorporateReconcilingItemsAndEliminations


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value615053545760636365650.0
Percentage of OperatingLeaseRightOfUseAsset0.00.0100.00.00.00.0100.00.00.00.00.0
Percentage of Assets1.10.90.91.01.21.51.71.71.81.90.0
Percentage of Assets nvr:CorporateReconcilingItemsAndEliminations2.11.61.81.92.64.64.74.85.86.20.0

us-gaap:OperatingLeaseRightOfUseAsset us-gaap:StatementBusinessSegments

nvr:HomeBuildingSegment


Operating
Period End2021-06-302021-03-312020-12-312019-12-31
Value61505363
Percentage of OperatingLeaseRightOfUseAsset0.00.0100.0100.0
Percentage of Assets1.10.90.91.7
Percentage of Assets nvr:HomeBuildingSegment1.10.91.02.0

nvr:MortgageBankingSegment


Operating
Period End2021-06-302021-03-312020-12-312019-12-31
Value11121213
Percentage of OperatingLeaseRightOfUseAsset0.00.023.420.9
Percentage of Assets0.20.20.20.4
Percentage of Assets nvr:MortgageBankingSegment2.82.92.22.4

us-gaap:HomeBuilding


Operating
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value545760636365650.0
Percentage of OperatingLeaseRightOfUseAsset0.00.00.0100.00.00.00.00.0
Percentage of Assets1.01.21.51.71.71.81.90.0
Percentage of Assets us-gaap:HomeBuilding1.11.31.82.01.92.12.30.0

us-gaap:MortgageBanking


Operating
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value131415131314120.0
Percentage of OperatingLeaseRightOfUseAsset0.00.00.020.90.00.00.00.0
Percentage of Assets0.20.30.40.40.40.40.40.0
Percentage of Assets us-gaap:MortgageBanking3.33.62.92.42.82.62.50.0

Other Assets

us-gaap:OtherAssets us-gaap:StatementBusinessSegments

us-gaap:OtherAssets

nvr:HomeBuildingSegment


Other
Period End2021-06-302021-03-312020-12-312019-12-31
Value2152197060
Percentage of OtherAssets100.0100.0100.0100.0
Percentage of Assets3.73.81.21.6
Percentage of Assets nvr:HomeBuildingSegment4.04.11.41.9

nvr:MortgageBankingSegment


Other
Period End2021-06-302021-03-312020-12-312019-12-31
Value25312217
Percentage of OtherAssets12.114.432.228.8
Percentage of Assets0.40.50.40.5
Percentage of Assets nvr:MortgageBankingSegment6.27.64.03.1

us-gaap:HomeBuilding


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value2041961916018118519271192198
Percentage of OtherAssets0.00.00.0100.00.00.00.00.00.00.0
Percentage of Assets3.74.24.91.64.75.25.72.36.26.7
Percentage of Assets us-gaap:HomeBuilding4.04.55.71.95.46.16.72.77.17.7

us-gaap:MortgageBanking


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value19195417212930262114
Percentage of OtherAssets0.00.00.028.80.00.00.00.00.00.0
Percentage of Assets0.40.41.40.50.60.80.90.80.70.5
Percentage of Assets us-gaap:MortgageBanking4.95.010.23.14.45.56.15.05.93.5

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312019-01-01
Value72858587860.086
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0
Percentage of Assets1.32.22.22.42.60.0

us-gaap:OperatingLeaseLiability us-gaap:StatementBusinessSegments

nvr:HomeBuildingSegment


Operating
Period End2021-06-302021-03-312020-12-312019-12-31
Value67565971
Percentage of OperatingLeaseLiability0.00.081.783.3
Percentage of Assets1.21.01.01.9
Percentage of Assets nvr:HomeBuildingSegment1.21.01.12.2

nvr:MortgageBankingSegment


Operating
Period End2021-06-302021-03-312020-12-312019-12-31
Value12121314
Percentage of OperatingLeaseLiability0.00.018.316.7
Percentage of Assets0.20.20.20.4
Percentage of Assets nvr:MortgageBankingSegment3.03.12.42.5

us-gaap:HomeBuilding


Operating
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value616466717072720.0
Percentage of OperatingLeaseLiability0.00.00.083.382.782.984.60.0
Percentage of Assets1.11.41.71.91.82.02.20.0
Percentage of Assets us-gaap:HomeBuilding1.21.52.02.22.12.42.50.0

us-gaap:MortgageBanking


Operating
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value141516141414130.0
Percentage of OperatingLeaseLiability0.00.00.016.717.317.115.40.0
Percentage of Assets0.30.30.40.40.40.40.40.0
Percentage of Assets us-gaap:MortgageBanking3.53.93.12.53.02.72.70.0

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-31
Value84
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0
Percentage of Assets1.5

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-31
Value5544000.0
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0
Percentage of Assets0.1

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value3042304631032918261224162341237121191898180816821607146616051650153514081304129913571256123912401274116511241151109913261261127513201552148013791521141813741346165018181740175713731129
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets52.052.353.753.155.262.261.561.758.856.557.154.453.451.553.754.152.651.449.348.850.349.449.348.349.149.047.847.746.152.550.750.652.258.256.855.676.476.677.374.875.979.977.073.30.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

nvr:DeferredCompensationLiability


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-312007-12-31
Value1616161616161616161616161717171717171717171717171717171717171717172525252525252527407475
Percentage of StockholdersEquity0.50.50.50.60.60.70.70.70.80.90.91.01.11.21.11.11.11.21.31.31.31.41.41.41.41.51.51.51.61.31.41.31.21.71.81.71.81.91.91.51.62.35.56.7
Percentage of Assets0.30.30.30.30.40.40.40.40.50.50.50.50.60.60.60.60.60.60.70.70.60.70.70.70.70.70.70.70.70.70.70.70.71.01.01.31.41.41.41.21.21.70.00.0
Percentage of Assets nvr:DeferredCompensationLiability0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

nvr:DeferredCompensationTrust


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-312007-12-31
Value-16.71-16.71-16.71-16.71-16.71-16.912-16.912-16.912-16.912-16.912-16.937-16.928-17.148-17.389-17.383-17.376-17.371-17.383-17.375-17.367-17.355-17.343-17.333-17.333-17.333-17.333-17.333-17.333-17.741-17.741-17.741-17.741-17.864-25.331-25.331-25.331-25.331-25.581-25.582-25.582-27.582-40.799-74.978-75.636
Percentage of StockholdersEquity-0.5-0.5-0.5-0.6-0.6-0.7-0.7-0.7-0.8-0.9-0.9-1.0-1.1-1.2-1.1-1.1-1.1-1.2-1.3-1.3-1.3-1.4-1.4-1.4-1.4-1.5-1.5-1.5-1.6-1.3-1.4-1.3-1.2-1.7-1.8-1.7-1.8-1.9-1.9-1.5-1.6-2.3-5.5-6.7
Percentage of Assets-0.3-0.3-0.3-0.3-0.4-0.4-0.4-0.4-0.5-0.5-0.5-0.5-0.6-0.6-0.6-0.6-0.6-0.6-0.7-0.7-0.6-0.7-0.7-0.7-0.7-0.7-0.7-0.7-0.7-0.7-0.7-0.7-0.7-1.0-1.0-1.3-1.4-1.4-1.4-1.2-1.2-1.70.00.0
Percentage of Assets nvr:DeferredCompensationTrust0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-312007-12-31
Value2314227222142188215121272055202019621899182017621721167816441626160715701515149914831467144714201389137013251299127712591212119611841169113411131074107210541037951830722663
Percentage of StockholdersEquity76.174.671.475.082.488.087.885.292.6100.0100.6104.8107.1114.4102.498.5104.7111.5116.2115.4109.2116.8116.8114.5109.0117.6117.9112.9116.295.096.190.676.379.082.273.175.778.078.362.854.747.352.658.8
Percentage of Assets39.539.038.339.845.554.754.052.654.556.557.557.057.259.055.053.355.157.357.356.355.057.757.655.253.557.756.453.953.649.948.847.344.544.945.755.958.060.358.647.742.134.70.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-312007-12-31
Value93819059881185068249808579097653742972197031679966036400623161075945579756955544542753355270513650194926488747874697462946054424437443394278422541784158412640824029382336303529
Percentage of StockholdersEquity308.4297.4283.9291.4315.8334.5337.8322.7350.6380.2388.8404.2410.8436.3388.2370.0387.1411.7436.6426.8399.8424.6425.3414.0393.7422.8434.7415.8427.4349.1365.1335.1281.8293.1310.2277.7294.6302.5306.5247.3231.5217.6264.3312.6
Percentage of Assets160.2155.6152.5154.7174.4208.0207.6199.1206.2214.7222.1220.1219.4224.9208.5200.3203.7211.4215.4208.2201.1209.9209.5199.8193.3207.3207.8198.4197.2183.4185.2174.8164.1166.6172.5212.2225.8233.7229.3187.7178.3159.60.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-312007-12-31
Value-8653.659-8285.587-7922.678-7775.536-7789.067-7796.177-7624.241-7302.664-7272.871-7220.269-7043.2-6879.388-6717.69-6611.683-6270.851-6082.963-6017.606-5959.538-5906.969-5745.322-5552.762-5546.16-5478.95-5316.04-5134.69-5131.977-5088.633-4936.081-4876.33-4562.94-4556.461-4301.123-4007.196-4028.508-4033.657-3816.953-3834.795-3856.678-3834.521-3469.4-3240.138-2896.542-2979.569-3064.457
Percentage of StockholdersEquity-284.4-272.0-255.3-266.4-298.2-322.6-325.6-307.9-343.2-380.3-389.4-408.9-417.9-450.8-390.6-368.5-391.8-423.2-452.8-442.2-409.0-441.4-442.1-428.5-402.8-440.4-452.6-428.7-443.6-344.1-361.2-325.8-258.2-272.1-292.4-250.8-270.4-280.5-284.9-210.2-186.2-164.8-216.9-271.3
Percentage of Assets-147.8-142.3-137.1-141.4-164.7-200.5-200.1-190.0-201.8-214.7-222.5-222.6-223.2-232.3-209.8-199.5-206.2-217.3-223.4-215.7-205.8-218.2-217.8-206.8-197.8-216.0-216.4-204.6-204.7-180.7-183.3-169.9-150.4-154.7-162.6-191.7-207.2-216.7-213.1-159.5-143.4-120.90.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value231422722214218821512127205520201962189918201762172116781644162616071570151514991483146714471420138913701325129912771259121212081196118411691134111310741072105410371014951830
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets39.539.038.339.845.554.754.052.654.556.557.557.057.259.055.053.355.157.357.356.355.057.757.655.253.557.756.453.953.649.948.848.047.344.544.945.755.958.060.358.647.744.642.134.7

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
Value93819059881185068249808579097653742972197031679966036400623161075945579756955544542753355270513650194926488747874697462946054507442443744339427842254178415841264082404440293823
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 Assets160.2155.6152.5154.7174.4208.0207.6199.1206.2214.7222.1220.1219.4224.9208.5200.3203.7211.4215.4208.2201.1209.9209.5199.8193.3207.3207.8198.4197.2183.4185.2179.0174.8164.1166.6172.5212.2225.8233.7229.3187.7177.7178.3159.6

Treasury Stock Value

us-gaap:TreasuryStockValue

us-gaap:TreasuryStockValue


Treasury
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
Value86538285792277757789779676247302727272207043687967176611627060826017595959065745555255465478531651345131508849364876456245564441430140074028403338163834385638343469324032402896
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets147.8142.3137.1141.4164.7200.5200.1190.0201.8214.7222.5222.6223.2232.3209.8199.5206.2217.3223.4215.7205.8218.2217.8206.8197.8216.0216.4204.6204.7180.7183.3176.3169.9150.4154.7162.6191.7207.2216.7213.1159.5142.4143.4120.9

Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value13141513147.492192018192423189.509111110101111101014131213181815103.91111108.063141616161616
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value13141513147.492192018192423189.50911111010111110101413121318181510108.063141616161616
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1923283452083026835720674227231-1.294-15.786182178-12.421-78.09385106-18.447906.04420-16.19-9.033140-19.29351-118.163
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues8.416.114.810.518.74.317.910.84.213.511.6-0.1-1.914.715.0-1.2-10.19.112.2-2.415.10.82.9-2.3-1.817.4-2.95.40.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-3.228-3.3948.166-4.293-4.548-3.258-5.963-4.523-0.919-1.879-1.69-12.1650.005-15.924-1.846-2.701-14.006-17.343-2.953-2.024-0.291-1.4981.06-64.9663.53823148-52.8992
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-0.1-0.20.3-0.2-0.3-0.2-0.3-0.2-0.1-0.1-0.1-1.10.0-1.3-0.2-0.3-1.8-1.8-0.3-0.3-0.0-0.20.1-9.30.72.922.0-5.50.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-339.225-320.129-136.788360612-107.72-306.3927.357-8.135-117.525-129.923-312.15928-114.077-141.06-294.185266.368382383.818-20.874-454.976-208.74332-26.787-164.6-250.377117
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-14.9-15.7-5.818.137.8-6.8-15.40.4-0.5-7.0-6.5-28.33.6-9.2-11.9-29.13.40.743.95.00.6-2.8-64.3-30.06.2-3.3-24.3-26.00.0

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-149.6914.735217564909-42.5374420965108
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-6.60.29.328.456.1-2.72.211.03.76.4

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


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
Value4.8355.2035.1915.5475.6325.6225.4495.2235.0845.0625.1155.0294.9885.0365.585.5935.7955.6995.6785.6575.4875.4475.3525.4415.465.2815.0314.6574.2163.714.0163.5273.0762.7722.2782.0921.9251.8051.7241.7121.6381.5981.7151.821.8471.881
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInInventories


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
Value143120-54.10416087168-149.1619811628-167.96-12.5458998-130.3611132140-224.6369-13.931254-154.9517512984-144.72859109102-178.815-24.86596159-64.757-1.826499-48.888444261-131.495138-79.20881
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1923283452083026835720674227231-1.294-15.786182178-12.421-78.09385106-18.447906.04420-16.19-9.033140-19.29351-118.163
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues8.416.114.810.518.74.317.910.84.213.511.6-0.1-1.914.715.0-1.2-10.19.112.2-2.415.10.82.9-2.3-1.817.4-2.95.40.0

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
Value321248305256164175256223210188232195203166124162147102150117916513411693399990682397825035605346203243381558437132
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 Revenues14.112.213.012.910.111.112.911.711.711.211.610.611.410.96.99.79.68.18.67.66.65.78.68.37.54.17.57.56.22.97.97.05.04.56.46.16.13.44.46.15.52.97.26.57.40.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value32124830525616417525622321018823219520316612416214710215011791651341169339999068235035605346203243
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues14.112.213.012.910.111.112.911.711.711.211.610.611.410.96.99.79.68.18.67.66.65.78.68.37.54.17.57.56.22.95.04.56.46.16.13.44.46.1
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
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
Value13141513147.492192018192423189.509111110101111101014131213181815103.91111108.06314161616161616151219155.678
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensation us-gaap:ConsolidationItems

nvr:CorporateReconcilingItemsAndEliminations


Share
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value131413147.49220181923189.509111010111010
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-3.228-3.3948.166-4.293-4.548-3.258-5.963-4.523-0.919-1.879-1.69-12.1650.005-15.924-1.846-2.701-14.006-17.343-2.953-2.024-0.291-1.4981.06-64.9663.53823148-52.8992
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-0.1-0.20.3-0.2-0.3-0.2-0.3-0.2-0.1-0.1-0.1-1.10.0-1.3-0.2-0.3-1.8-1.8-0.3-0.3-0.0-0.20.1-9.30.72.922.0-5.50.0

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


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
Value3.5163.1043.794.1124.7073.515.9596.0415.4145.2854.8475.5676.1383.1134.5995.8864.6235.1615.8564.746.3425.4314.8094.8833.6924.8934.3486.519155.4334.9475.9814.6333.4551.9984.3683.1042.8952.771.1966.4661.0122.6351.3872.040.881
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-339.225-320.129-136.788360612-107.72-306.3927.357-8.135-117.525-129.923-312.15928-114.077-141.06-294.185266.368382383.818-20.874-454.976-208.74332-26.787-164.6-250.377117
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-14.9-15.7-5.818.137.8-6.8-15.40.4-0.5-7.0-6.5-28.33.6-9.2-11.9-29.13.40.743.95.00.6-2.8-64.3-30.06.2-3.3-24.3-26.00.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312011-12-312011-09-302010-12-312010-09-30
Value3763771540.00.021633261872161881731263571917073851631959.407871671946.1866315861314321181407.1532236539201
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:EffectiveIncomeTaxRateContinuingOperations


Effective
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
Value23.020.32.520.20.218-0.089-0.00440.1620.1410.138-0.00260.2160.1590.1310.07030.3370.2920.221-0.00870.3650.3670.368
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber

us-gaap:EmployeeStockOption


Share
Period End2020-12-312019-12-312018-12-312018-09-302018-06-302017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value593000.0749000.01049000.01106000.01138000.0916000.01076000.01096000.01201000.0667040.0639080.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber us-gaap:PlanName

nvr:TwoThousandEighteenEquityPlan


Share
Period End2020-12-31
Value116000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber19.6

nvr:TwoThousandTenEquityPlan


Share
Period End2020-12-31
Value74000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber12.5

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:EmployeeStockOption


Share
Period End2020-12-312019-12-312018-12-312018-09-302018-06-302017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value2295.12030.41766.91720.01697.51119.91048.4998.88947.39740.18679.7
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value363943454646464340454448
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nvr:AdjustmentToIncomeTaxExpenseIncomeTaxEffectFromShareBasedCompensationNet

nvr:AdjustmentToIncomeTaxExpenseIncomeTaxEffectFromShareBasedCompensationNet


Adjustment
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value1117176.854552730281226198.3571619
Percentage of AdjustmentToIncomeTaxExpenseIncomeTaxEffectFromShareBasedCompensationNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nvr:ConsolidationAdjustmentsAndOther us-gaap:ConsolidationItems

nvr:ConsolidationAdjustmentsAndOther

nvr:CorporateReconcilingItemsAndEliminations


Consolidation
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value311.967386.8039.654139.8369.2470.831145.2017.0879.6143.8139.7989.8775.985
Percentage of ConsolidationAdjustmentsAndOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nvr:ContractLandDepositImpairmentRecoveries

nvr:ContractLandDepositImpairmentRecoveries


Contract
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value-7.172-6.1831.11736-0.224-0.433-0.5650.5422.4499.2670.259-0.215-2.158-0.1711.851.717-2.8420.009-0.133-1.303-1.133-4.178-5.714-0.033-3.8830.4531.6721.9830.7230.603
Percentage of ContractLandDepositImpairmentRecoveries100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nvr:ContractLandDepositImpairmentRecovery

nvr:ContractLandDepositImpairmentRecovery


Contract
Period End2020-09-302019-09-30
Value-4.702-0.433
Percentage of ContractLandDepositImpairmentRecovery100.0100.0

nvr:ContractLandDepositReserveAdjustment

nvr:ContractLandDepositReserveAdjustment


Contract
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value7.2-6.2-4.80.9-36.4
Percentage of ContractLandDepositReserveAdjustment100.0100.0100.0100.0100.0

nvr:ContractLandDepositReserveAdjustment us-gaap:ConsolidationItems

nvr:CorporateReconcilingItemsAndEliminations


Contract
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value7.1786.1964.867-0.46-35.6150.2480.3740.95-0.6890.5922.1281.91-2.064-0.7280.7851.3071.329
Percentage of ContractLandDepositReserveAdjustment99.7-99.9-101.4-51.197.80.00.00.00.00.00.00.00.00.00.00.00.0

nvr:CorporateCapitalAllocationCharge us-gaap:ConsolidationItems

nvr:CorporateCapitalAllocationCharge

nvr:CorporateReconcilingItemsAndEliminations


Corporate
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
Value63616260595655575654535553505051494649504644
Percentage of CorporateCapitalAllocationCharge100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nvr:CorporateCapitalAllocationCharge us-gaap:ConsolidationItems, us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments

nvr:CorporateReconcilingItemsAndEliminations, nvr:MidAtlantic, nvr:HomeBuildingSegment


Corporate
Period End2021-06-302021-03-312020-06-302020-03-31
Value31303129
Percentage of CorporateCapitalAllocationCharge49.449.752.752.5

nvr:CorporateReconcilingItemsAndEliminations, nvr:MidAtlantic, us-gaap:HomeBuilding


Corporate
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
Value31312929313130303131303032
Percentage of CorporateCapitalAllocationCharge51.752.752.553.454.455.955.856.157.258.460.161.061.7

nvr:CorporateReconcilingItemsAndEliminations, nvr:MidEast, nvr:HomeBuildingSegment


Corporate
Period End2021-06-302021-03-312020-06-302020-03-31
Value11109.6879.363
Percentage of CorporateCapitalAllocationCharge17.617.316.216.5

nvr:CorporateReconcilingItemsAndEliminations, nvr:MidEast, us-gaap:HomeBuilding


Corporate
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
Value109.6879.3638.969.7919.4979.0159.2329.5419.0577.9737.6397.747
Percentage of CorporateCapitalAllocationCharge17.116.216.516.016.916.916.517.217.216.815.715.114.9

nvr:CorporateReconcilingItemsAndEliminations, nvr:NorthEast, nvr:HomeBuildingSegment


Corporate
Period End2021-06-302021-03-312020-06-302020-03-31
Value6.4576.0385.795.558
Percentage of CorporateCapitalAllocationCharge10.29.89.79.8

nvr:CorporateReconcilingItemsAndEliminations, nvr:NorthEast, us-gaap:HomeBuilding


Corporate
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
Value5.7935.795.5585.3745.0284.6264.7274.5684.5654.584.183.9244.244
Percentage of CorporateCapitalAllocationCharge9.59.79.89.68.78.28.78.58.28.58.27.78.2

nvr:CorporateReconcilingItemsAndEliminations, nvr:SouthEast, nvr:HomeBuildingSegment


Corporate
Period End2021-06-302021-03-312020-06-302020-03-31
Value14141211
Percentage of CorporateCapitalAllocationCharge22.823.221.421.1

nvr:CorporateReconcilingItemsAndEliminations, nvr:SouthEast, us-gaap:HomeBuilding


Corporate
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
Value131211111110109.8399.5998.8168.0988.217.888
Percentage of CorporateCapitalAllocationCharge21.621.421.120.920.019.019.118.317.316.316.016.215.2

nvr:CostsAccruedForNewWarrantyContractsAndChangesInEstimatesForPreExistingWarranties

nvr:CostsAccruedForNewWarrantyContractsAndChangesInEstimatesForPreExistingWarranties


Costs
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
Value21222620151220201611181516119.54512138.9611711128.8421412119.081161213103315258.29113119.3026.41513118.0413.732156.63614
Percentage of CostsAccruedForNewWarrantyContractsAndChangesInEstimatesForPreExistingWarranties100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nvr:DeferredCompensationActivityAdjustments us-gaap:StatementEquityComponents

nvr:DeferredCompensationActivityAdjustments

nvr:DeferredCompensationLiability


Deferred
Period End2020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value00-202000.0000-25000.09000.0-220000.0-241000.06000.07000.05000.0-12000.08000.08000.012000.012000.010000.0
Percentage of DeferredCompensationActivityAdjustments0.00.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nvr:DeferredCompensationTrust


Deferred
Period End2020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value00202000.000025000.0-9000.0220000.0241000.0-6000.0-7000.0-5000.012000.0-8000.0-8000.0-12000.0-12000.0-10000.0
Percentage of DeferredCompensationActivityAdjustments0.00.0-100.00.00.00.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0

nvr:DevelopmentCostsTransferredToInventory

nvr:DevelopmentCostsTransferredToInventory


Development
Period End2021-06-30
Value16
Percentage of DevelopmentCostsTransferredToInventory100.0

nvr:FairValueMeasurementsSecurityPriceChangeGainLossIncludedInEarnings

nvr:FairValueMeasurementsSecurityPriceChangeGainLossIncludedInEarnings


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-12.06710-4.7453.76122-27.0970.8255.2670.678-7.313-11.3375.179-2.39-1.509-0.644-2.0086.32-3.3439.1943.973
Percentage of FairValueMeasurementsSecurityPriceChangeGainLossIncludedInEarnings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nvr:FairValueMeasurementsSecurityPriceChangeGainLossIncludedInEarnings us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:StatementBusinessSegments

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:ForwardContracts, nvr:MortgageBankingSegment


Fair
Period End2021-06-302021-03-31
Value-12.06710
Percentage of FairValueMeasurementsSecurityPriceChangeGainLossIncludedInEarnings100.0100.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:ForwardContracts, us-gaap:MortgageBanking


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3.76122-27.0970.8255.2670.678-7.313-11.337
Percentage of FairValueMeasurementsSecurityPriceChangeGainLossIncludedInEarnings100.0100.0100.0100.0100.0100.0100.0100.0

nvr:LoansClosed

nvr:LoansClosed


Loans
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
Value165913821144113214181373123111401356124912141009122911151041843120110559427531042951859638881803675472721695646473642594548420520489504353597497706418
Percentage of LoansClosed100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nvr:SaleOfLandUnderDevelopment

nvr:SaleOfLandUnderDevelopment


Sale
Period End2021-06-30
Value45
Percentage of SaleOfLandUnderDevelopment100.0

nvr:SaleOfLandUnderDevelopment us-gaap:SubsequentEventType

us-gaap:SubsequentEvent


Sale
Period End2021-04-30
Value45
Percentage of SaleOfLandUnderDevelopment0.0

nvr:StockIssuedDuringPeriodSharesTreasuryStockReissuedUponExerciseOfStockOptionAndOther

nvr:StockIssuedDuringPeriodSharesTreasuryStockReissuedUponExerciseOfStockOptionAndOther


Stock
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
Value18000.031000.016000.029000.015000.099000.026000.073000.082000.095000.062000.030000.052000.044000.0
Percentage of StockIssuedDuringPeriodSharesTreasuryStockReissuedUponExerciseOfStockOptionAndOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nvr:UnallocatedCorporateOverhead us-gaap:ConsolidationItems

nvr:UnallocatedCorporateOverhead

nvr:CorporateReconcilingItemsAndEliminations


Unallocated
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value-33668000.0-39717000.0-26915000.0-23288000.0-37639000.0-27914000.0-29354000.0-31735000.0-20424000.0-22503000.0-31284000.0-18768000.0-23360000.0-27234000.0-18459000.0-26517000.0-29509000.0
Percentage of UnallocatedCorporateOverhead100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition

us-gaap:AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition


Adjustments
Period End2020-09-302020-06-30
Value1314
Percentage of AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition100.0100.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2020-09-302020-06-30
Value1314
Percentage of AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition100.0100.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions


Adjustments
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
Value38571836161092668799858294540101242754.1686.0295.646229.529257.6343
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
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
Value38571836161092668799858294540101242754.1686.0295.646229.529257.6343
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeGainLossOnDerivativeNet us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:HedgingDesignation, us-gaap:StatementBusinessSegments

us-gaap:DerivativeGainLossOnDerivativeNet

us-gaap:FairValueInputsLevel2, us-gaap:Nondesignated, nvr:MortgageBankingSegment


Derivative
Period End2021-06-302021-03-312020-06-302020-03-31
Value-1.692-0.5487.01810
Percentage of DerivativeGainLossOnDerivativeNet100.0100.0100.0100.0

us-gaap:FairValueInputsLevel2, us-gaap:Nondesignated, us-gaap:MortgageBanking


Derivative
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
Value1.7357.018-10.721-3.04-8.7112.6448.9090.872-1.9865.5854.014-4.5691.572
Percentage of DerivativeGainLossOnDerivativeNet0.0100.0-100.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet

us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value1.692163.441.7357.0183.39-3.04-8.7112.644230.872-1.9865.5859.838-1.2931.5723.3762.169-2.321-0.7580.5896.676-1.5323.428
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:StatementBusinessSegments

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:ForwardContracts, nvr:MortgageBankingSegment


Derivative
Period End2021-06-302021-03-31
Value-12.06710
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet-713.264.9

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:ForwardContracts, us-gaap:MortgageBanking


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3.76122-27.0970.8255.2670.678-7.313-11.337
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet216.8325.8-799.3-27.1-60.525.6-31.5-1300.1

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:InterestRateLockCommitments, nvr:MortgageBankingSegment


Derivative
Period End2021-06-302021-03-31
Value6.8347.894
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet403.948.9

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:InterestRateLockCommitments, us-gaap:MortgageBanking


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-0.565-10.13619-3.833-7.4840.664184.456
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet-32.6-144.4561.4126.185.925.178.8511.0

us-gaap:FairValueOptionChangesInFairValueGainLoss1 us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:StatementBusinessSegments

us-gaap:FairValueOptionChangesInFairValueGainLoss1

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, nvr:MortgagesHeldForSale, nvr:MortgageBankingSegment


Fair
Period End2021-06-302021-03-31
Value6.925-2.226
Percentage of FairValueOptionChangesInFairValueGainLoss1100.0100.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, nvr:MortgagesHeldForSale, us-gaap:MortgageBanking


Fair
Period End2020-09-302020-06-302020-03-312019-12-312018-12-31
Value-1.461-5.71111-0.0320.0
Percentage of FairValueOptionChangesInFairValueGainLoss10.00.00.00.00.0

us-gaap:FinanceLeaseInterestExpense

us-gaap:FinanceLeaseInterestExpense


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value108000.0110000.0111000.070000.051000.049000.046000.025000.05000.00
Percentage of FinanceLeaseInterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:FinanceLeaseInterestPaymentOnLiability

us-gaap:FinanceLeaseInterestPaymentOnLiability


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value108000.0110000.0111000.070000.051000.049000.046000.046000.05000.00
Percentage of FinanceLeaseInterestPaymentOnLiability100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:FinanceLeasePrincipalPayments

us-gaap:FinanceLeasePrincipalPayments


Finance
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
Value331000.0329000.0324000.0253000.0212000.0200000.0190000.0190000.012000.0000
Percentage of FinanceLeasePrincipalPayments100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:FinanceLeaseRightOfUseAssetAmortization

us-gaap:FinanceLeaseRightOfUseAssetAmortization


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value445000.0443000.0439000.0327000.0281000.0266000.0236000.0125000.021000.00
Percentage of FinanceLeaseRightOfUseAssetAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:GainLossOnSaleOfMortgageLoans

us-gaap:GainLossOnSaleOfMortgageLoans


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
Value47676858231832273234303327312525242326221917192016111512127.99512151215131110118.7457.0229.7359.131210139.929
Percentage of GainLossOnSaleOfMortgageLoans100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value-25.67533588365-39.4385.931-4.7761121-31.9141213-25.035-4.321834-37.55-1.2042436-1.382-23.5311298-31.982-22.164-11.74871-37.225-1.274
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInContractWithCustomerLiability

us-gaap:IncreaseDecreaseInContractWithCustomerLiability


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value507329531015-11.051-3.273.5734.388
Percentage of IncreaseDecreaseInContractWithCustomerLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInDepositsOutstanding

us-gaap:IncreaseDecreaseInDepositsOutstanding


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
Value213.0924.06611-7.761-8.2598.777-5.33719-6.3032415-0.58-8.7533.1296.566-9.448-8.424-0.4942.434272.35323120.9470.47814295.9327.3361710110.6661218157.3618.8051.095151714198.73210
Percentage of IncreaseDecreaseInDepositsOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInReceivables

us-gaap:IncreaseDecreaseInReceivables


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
Value0.0844.243-1.3850.235-30.36533-11.235-1.116-2.40812-6.02-3.3895.8324.5850.664-3.052.1520.7366.17-4.4933.3844.0221.539-6.967.171-0.223-1.222-3.7945.2680.281-3.649-1.6860.385.215-0.7430.263.793-0.788-0.374-0.5780.588-0.101-3.431-4.276.418-0.249
Percentage of IncreaseDecreaseInReceivables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements


Incremental
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
Value0.2740.2620.0130.2330.1790.245-0.0110.3160.3470.348-0.0380.4440.5070.5450.0410.5160.4540.392-0.0040.2670.2650.2510.0230.2460.1960.1780.0040.1580.1460.153-0.0004220.1070.1240.1430.0124710.1330.1150.1151540.1360.1440.1972710.2630.282
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestAndFeeIncomeLoansHeldForSaleMortgages us-gaap:StatementBusinessSegments

us-gaap:InterestAndFeeIncomeLoansHeldForSaleMortgages

nvr:MortgageBankingSegment


Interest
Period End2021-06-302021-03-312020-06-302020-03-31
Value2.2092.0321.8542.469
Percentage of InterestAndFeeIncomeLoansHeldForSaleMortgages100.0100.0100.0100.0

us-gaap:MortgageBanking


Interest
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
Value2.2221.8542.4693.2323.342.7372.8333.2233.3622.9152.0932.6821.953
Percentage of InterestAndFeeIncomeLoansHeldForSaleMortgages0.0100.0100.00.00.00.00.00.00.00.00.00.00.0

us-gaap:InterestCostsIncurred

us-gaap:InterestCostsIncurred


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value131313119.6656.6356.7616.5966.6076.4996.546.5176.6246.5956.636.6156.586.5596.6046.5626.3976.3886.3136.3176.2626.2636.2786.2936.26.2236.2476.2876.2646.256.2211.678
Percentage of InterestCostsIncurred100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LeaseCost

us-gaap:LeaseCost


Lease
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value14141413141416141413
Percentage of LeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseExpense

us-gaap:OperatingLeaseExpense


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value7.9117.5778.1627.6897.9427.9116.2158.8298.3877.56
Percentage of OperatingLeaseExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeasePayments

us-gaap:OperatingLeasePayments


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value6.8786.817.227.3396.6766.7185.7575.7576.3146.563
Percentage of OperatingLeasePayments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherOperatingActivitiesCashFlowStatement

us-gaap:OtherOperatingActivitiesCashFlowStatement


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value-833000.0-15426000.08021000.0-7574000.0-3465000.0-15608000.011251000.02876000.0205000.0-6096000.06070000.04036000.0-3993000.0-6670000.09672000.0-1550000.06036000.0-16024000.011538000.010991000.0-7410000.0-10615000.016092000.0-5401000.0-4852000.0-10352000.012808000.0-2546000.0
Percentage of OtherOperatingActivitiesCashFlowStatement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForOriginationOfMortgageLoansHeldForSale

us-gaap:PaymentsForOriginationOfMortgageLoansHeldForSale


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
Value15671413166013831146113314191375123211411356124912131009121610889877841117983870688947852765545755704593416634641597434592542495384480457480335565471674398
Percentage of PaymentsForOriginationOfMortgageLoansHeldForSale100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:PaymentsOfDebtIssuanceCosts


Payments
Period End2020-12-312020-09-30
Value312000.01168000.0
Percentage of PaymentsOfDebtIssuanceCosts100.0100.0

us-gaap:PaymentsToAcquireInterestInJointVenture

us-gaap:PaymentsToAcquireInterestInJointVenture


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-312011-09-302010-12-312010-09-30
Value0.00.6590.00.3970.0380.00.3670.00.00.3350.00.00.2840.03.3450.00.00.4550.00.3320.1830.1380.3650.3070.3820.863110.00.0110.00.00.00.00.00.0
Percentage of PaymentsToAcquireInterestInJointVenture0.0100.00.0100.0100.00.0100.00.00.0100.00.00.0100.00.0100.00.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.00.00.00.00.00.0

us-gaap:PaymentsToAcquireLand

us-gaap:PaymentsToAcquireLand


Payments
Period End2021-06-30
Value7200000.0
Percentage of PaymentsToAcquireLand100.0

us-gaap:ProceedsFromDebtNetOfIssuanceCosts us-gaap:DebtInstrument

us-gaap:ProceedsFromDebtNetOfIssuanceCosts

nvr:SeniorNotesDueTwoThousandThirty


Proceeds
Period End2020-09-302020-05-31
Value323595
Percentage of ProceedsFromDebtNetOfIssuanceCosts100.0100.0

us-gaap:ProceedsFromIssuanceOfSeniorLongTermDebt

us-gaap:ProceedsFromIssuanceOfSeniorLongTermDebt


Proceeds
Period End2020-12-312020-09-30
Value0.0325
Percentage of ProceedsFromIssuanceOfSeniorLongTermDebt0.0100.0

us-gaap:ProceedsFromSaleOfMortgageLoansHeldForSale

us-gaap:ProceedsFromSaleOfMortgageLoansHeldForSale


Proceeds
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
Value16101583162214221263122813741457122312041257135811841045114810979809551076989805839906880666606764688558514583689552509542578471530426456413419565550531363
Percentage of ProceedsFromSaleOfMortgageLoansHeldForSale100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment


Proceeds
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
Value288000.0369000.0331000.0216000.0197000.0252000.0353000.0448000.0585000.0484000.0515000.0317000.0230000.0195000.0183000.0192000.0295000.0177000.0299000.0255000.0247000.0199000.0207000.0138000.0200000.0138000.0395000.0263000.0221000.0142000.0226000.0124000.0141000.0116000.0-34000.090000.0108000.0155000.0124000.094000.0137000.0170000.0149000.0241000.0150000.0115000.0
Percentage of ProceedsFromSaleOfPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProceedsFromStockOptionsExercised


Proceeds
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
Value38571836161092668799858294540101242754.1686.0295.646229.529257.6343105.0463.533576.3930.8931.2595.412246.671366.0030.9921.4151192205.4569.75141
Percentage of ProceedsFromStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductWarrantyAccrualPayments

us-gaap:ProductWarrantyAccrualPayments


Product
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
Value19172018111316171812151512101111119.3531111119.55712121513161414131311117.976119.559101072-11.11-10.5678.18965-9.454-9.353
Percentage of ProductWarrantyAccrualPayments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateInventoryCapitalizedInterestCostsCostOfSales1

us-gaap:RealEstateInventoryCapitalizedInterestCostsCostOfSales1


Real
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value206000.0221000.01444000.0370000.0501000.0614000.0267000.0581000.0592000.0298000.0685000.01136000.0452000.0351000.0401000.0778000.0278000.0265000.0231000.0600000.02365000.0376000.0555000.0288000.0245000.0
Percentage of RealEstateInventoryCapitalizedInterestCostsCostOfSales1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability


Right
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.00.0890.5389.0560.00.441.0651.0654.6920.535
Percentage of RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability0.0100.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability


Right
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value163.0132.6681.8061.9013.7845.5325.5323.5715.98
Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShortTermLeaseCost

us-gaap:ShortTermLeaseCost


Short
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value5.8615.896.1255.6256.1856.426105.535.645.605
Percentage of ShortTermLeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value8.869-14.516-7.354-13.531-7.11-44.646-11.298-31.27-35.378-39.43-24.953-12.133-20.289-16.41-4.079-5.336-15.891-32.978-1.961-2.675-2.805-19.891-19.755-5.556-2.237-1.48-26.099-1.052-21.312-12.302-85.331366.003
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStock


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302013-03-312012-12-31
Value8.869147.354137.114411313539241220164.0795.33615321.9612.6752.80519195.5562.2371.48261.0522112
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0

us-gaap:TreasuryStockSharesAcquired

us-gaap:TreasuryStockSharesAcquired


Treasury
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
Value0.0780.0870.0380.00.00.0580.0910.0180.030.0820.0790.0640.0420.116
Percentage of TreasuryStockSharesAcquired100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockValueAcquiredCostMethod

us-gaap:TreasuryStockValueAcquiredCostMethod


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312011-12-312011-09-30
Value3763771540.00.021633261872161881731263571917073851631959.407871671946.1866315861314321181407.15322365
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockValueAcquiredCostMethod us-gaap:StatementEquityComponents

us-gaap:TreasuryStock


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312012-12-312011-12-312011-09-30
Value3763771540.00.02163326187216188173126-357.2421917073851631959.407871671946.1866315861314327.15322365
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0-100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:EntityCommonStockSharesOutstanding

dei:EntityCommonStockSharesOutstanding


Entity
Period End2020-11-022020-07-302020-05-04
Value3720400.03702400.03680800.0
Percentage of EntityCommonStockSharesOutstanding100.0100.0100.0

nvr:AggregateAdditionalFundingCommitments

nvr:AggregateAdditionalFundingCommitments


Aggregate
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value3.13.13.13.84.35.05.36.21111115.05.05.0
Percentage of AggregateAdditionalFundingCommitments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nvr:AggregateAdditionalFundingCommitmentsRelatedToRawLandPropertyDevelopment

nvr:AggregateAdditionalFundingCommitmentsRelatedToRawLandPropertyDevelopment


Aggregate
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value5100000.05100000.05100000.05200000.06100000.0
Percentage of AggregateAdditionalFundingCommitmentsRelatedToRawLandPropertyDevelopment100.0100.0100.0100.0100.0

nvr:ConsolidationEntriesAndOtherForAssets us-gaap:ConsolidationItems

nvr:ConsolidationEntriesAndOtherForAssets

nvr:CorporateAndReconcilingItems


Consolidation
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value9250405255
Percentage of ConsolidationEntriesAndOtherForAssets100.0100.0100.0100.0100.0

nvr:CorporateReconcilingItemsAndEliminations


Consolidation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value16912992101686550605450406370595265646954
Percentage of ConsolidationEntriesAndOtherForAssets0.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.097.8

nvr:ContingentForfeitableDepositsWithLandDevelopers

nvr:ContingentForfeitableDepositsWithLandDevelopers


Contingent
Period End2020-12-31
Value215
Percentage of ContingentForfeitableDepositsWithLandDevelopers100.0

nvr:ContingentObligationsUnderBondOrLetterOfCreditArrangements

nvr:ContingentObligationsUnderBondOrLetterOfCreditArrangements


Contingent
Period End2020-12-31
Value40
Percentage of ContingentObligationsUnderBondOrLetterOfCreditArrangements100.0

nvr:ContractLandDeposits

nvr:ContractLandDeposits


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value464442439435424432441432437417425402388389400397392401411416414387385363351350350337309303296279268257256243224209202-197.347-197.324-174.303
Percentage of ContractLandDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nvr:ContractLandDeposits us-gaap:ConsolidatedEntities

nvr:RawGroundContractsVariableInterestEntityNotPrimaryBeneficiary


Contract
Period End2020-09-302020-06-30
Value1.71.0
Percentage of ContractLandDeposits0.40.2

nvr:ContractLandDeposits us-gaap:OtherCommitments

nvr:RawGroundContractsVariableInterestEntityNotPrimaryBeneficiary


Contract
Period End2021-06-302021-03-312020-12-31
Value3.27.01.3
Percentage of ContractLandDeposits0.71.60.3

nvr:ContractLandDepositsOnLotPurchaseAgreements us-gaap:ConsolidatedEntities

nvr:ContractLandDepositsOnLotPurchaseAgreements

us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Contract
Period End2020-09-30
Value434
Percentage of ContractLandDepositsOnLotPurchaseAgreements100.0

nvr:ContractLandDepositsOnLotPurchaseAgreements us-gaap:OtherCommitments

us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Contract
Period End2021-06-302021-03-312020-12-31
Value460436438
Percentage of ContractLandDepositsOnLotPurchaseAgreements0.00.00.0

nvr:ExpectedDevelopmentCredit

nvr:ExpectedDevelopmentCredit


Expected
Period End2021-06-302021-03-312020-09-30
Value2800000.02800000.02900000.0
Percentage of ExpectedDevelopmentCredit100.0100.0100.0

nvr:ExpectedProductionOfFinishedLotsFromJointVentures

nvr:ExpectedProductionOfFinishedLotsFromJointVentures


Expected
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value2350.05050.05200.06050.06300.06800.07300.07400.08000.08800.09300.07400.0
Percentage of ExpectedProductionOfFinishedLotsFromJointVentures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nvr:FairValueMeasurementAssumedGainLossFromLoanSale

nvr:FairValueMeasurementAssumedGainLossFromLoanSale


Fair
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-09-30
Value8712000.06966000.07114000.01926000.0-3850000.0147000.0-992000.0-1647000.0-1249000.0-1663000.0-1782000.0
Percentage of FairValueMeasurementAssumedGainLossFromLoanSale100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nvr:FairValueMeasurementAssumedGainLossFromLoanSale us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:StatementBusinessSegments

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, nvr:MortgagesHeldForSale, nvr:MortgageBankingSegment


Fair
Period End2021-06-302021-03-31
Value-335000.01925000.0
Percentage of FairValueMeasurementAssumedGainLossFromLoanSale0.022.1

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, nvr:MortgagesHeldForSale, us-gaap:MortgageBanking


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-118000.0-2313000.03829000.0459000.0-1563000.0520000.02560000.0600000.0
Percentage of FairValueMeasurementAssumedGainLossFromLoanSale0.00.055.00.00.00.036.00.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:InterestRateLockCommitments, nvr:MortgageBankingSegment


Fair
Period End2021-06-302021-03-31
Value-2318000.06787000.0
Percentage of FairValueMeasurementAssumedGainLossFromLoanSale0.077.9

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:InterestRateLockCommitments, us-gaap:MortgageBanking


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value6000.0-1148000.03137000.0-239000.0-2725000.0242000.04554000.0-126000.0
Percentage of FairValueMeasurementAssumedGainLossFromLoanSale0.00.045.00.00.00.064.00.0

nvr:FairValueMeasurementsChangesInServicingRightsValue

nvr:FairValueMeasurementsChangesInServicingRightsValue


Fair
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-09-30
Value110.02313128.05.7895.1173.3162.191.3752.945
Percentage of FairValueMeasurementsChangesInServicingRightsValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nvr:FairValueMeasurementsChangesInServicingRightsValue us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:StatementBusinessSegments

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, nvr:MortgagesHeldForSale, nvr:MortgageBankingSegment


Fair
Period End2021-06-302021-03-31
Value-0.1653.111
Percentage of FairValueMeasurementsChangesInServicingRightsValue0.026.2

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, nvr:MortgagesHeldForSale, us-gaap:MortgageBanking


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1.3441.753-0.1470.592-0.4980.215.0241.582
Percentage of FairValueMeasurementsChangesInServicingRightsValue0.00.0-639.10.00.00.037.90.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:InterestRateLockCommitments, nvr:MortgageBankingSegment


Fair
Period End2021-06-302021-03-31
Value-0.4358.752
Percentage of FairValueMeasurementsChangesInServicingRightsValue0.073.8

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:InterestRateLockCommitments, us-gaap:MortgageBanking


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value2.3552.9890.17-2.76-0.7670.7058.22-2.424
Percentage of FairValueMeasurementsChangesInServicingRightsValue0.00.0739.10.00.00.062.10.0

nvr:FairValueMeasurementsInterestRateMovementEffect

nvr:FairValueMeasurementsInterestRateMovementEffect


Fair
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-09-30
Value-14.9072310-2.8911.3622.7241.244-1.682-0.276-1.155.249
Percentage of FairValueMeasurementsInterestRateMovementEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nvr:FairValueMeasurementsInterestRateMovementEffect us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:StatementBusinessSegments

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, nvr:MortgagesHeldForSale, nvr:MortgageBankingSegment


Fair
Period End2021-06-302021-03-31
Value7.425-7.262
Percentage of FairValueMeasurementsInterestRateMovementEffect0.048.7

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, nvr:MortgagesHeldForSale, us-gaap:MortgageBanking


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-2.687-5.1517.775-1.083-4.4330.5724.6595.571
Percentage of FairValueMeasurementsInterestRateMovementEffect0.00.033.10.00.00.045.80.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:InterestRateLockCommitments, nvr:MortgageBankingSegment


Fair
Period End2021-06-302021-03-31
Value9.587-7.645
Percentage of FairValueMeasurementsInterestRateMovementEffect0.051.3

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:InterestRateLockCommitments, us-gaap:MortgageBanking


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-2.926-11.97715-0.834-3.992-0.2835.5147.006
Percentage of FairValueMeasurementsInterestRateMovementEffect0.00.066.90.00.00.054.20.0

nvr:FairValuePrincipalAmountLoansHeldforSale us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:StatementBusinessSegments

nvr:FairValuePrincipalAmountLoansHeldforSale

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, nvr:MortgagesHeldForSale, nvr:MortgageBankingSegment


Fair
Period End2021-06-302021-03-312020-12-31
Value339337439
Percentage of FairValuePrincipalAmountLoansHeldforSale100.0100.0100.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, nvr:MortgagesHeldForSale, us-gaap:MortgageBanking


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value336319419485404447
Percentage of FairValuePrincipalAmountLoansHeldforSale0.00.00.00.00.00.0

nvr:JointVentureLotsControlledByCompany

nvr:JointVentureLotsControlledByCompany


Joint
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312018-12-312017-12-312016-12-312015-12-31
Value2000.02100.02200.02700.02950.03500.03900.04200.04700.0
Percentage of JointVentureLotsControlledByCompany100.0100.0100.0100.0100.0100.0100.0100.0100.0

nvr:JointVentureLotsEitherUnderContractWithUnrelatedPartiesOrNotUnderContract

nvr:JointVentureLotsEitherUnderContractWithUnrelatedPartiesOrNotUnderContract


Joint
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312018-12-312017-12-312016-12-312015-12-31
Value350.02950.03000.03350.03350.03400.03400.03200.03300.0
Percentage of JointVentureLotsEitherUnderContractWithUnrelatedPartiesOrNotUnderContract100.0100.0100.0100.0100.0100.0100.0100.0100.0

nvr:LetterOfCreditOnLotPurchaseAgreements us-gaap:ConsolidatedEntities

nvr:LetterOfCreditOnLotPurchaseAgreements

us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Letter
Period End2020-09-30
Value6800000.0
Percentage of LetterOfCreditOnLotPurchaseAgreements100.0

nvr:LetterOfCreditOnLotPurchaseAgreements us-gaap:OtherCommitments

us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Letter
Period End2021-06-302021-03-312020-12-31
Value6900000.07300000.08100000.0
Percentage of LetterOfCreditOnLotPurchaseAgreements0.00.00.0

nvr:LettersOfCreditOnRawLandContracts us-gaap:ConsolidatedEntities

nvr:LettersOfCreditOnRawLandContracts

nvr:RawGroundContractsVariableInterestEntityNotPrimaryBeneficiary


Letters
Period End2020-09-30
Value100000.0
Percentage of LettersOfCreditOnRawLandContracts100.0

nvr:LettersOfCreditRelatedToLots

nvr:LettersOfCreditRelatedToLots


Letters
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value7002000.07414000.08249000.06942000.06539000.06741000.05606000.04520000.04044000.04009000.03923000.03870000.02798000.02695000.01996000.02315000.02575000.02552000.02379000.02310000.02400000.03889000.03302000.02586000.03630000.04938000.04674000.05719000.06427000.02429000.02459000.02200000.0750000.02900000.03300000.02800000.03700000.03400000.03200000.03500000.03100000.06600000.0
Percentage of LettersOfCreditRelatedToLots100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nvr:LossReserveOnContractLandDeposits

nvr:LossReserveOnContractLandDeposits


Loss
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-31
Value38465258636327272728292727272932343231383940424449555654555759616164656969697069-68.122-73.51794
Percentage of LossReserveOnContractLandDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nvr:LossReserveOnContractLandDeposits us-gaap:ConsolidationItems

nvr:CorporateAndReconcilingItems


Loss
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value5227292931
Percentage of LossReserveOnContractLandDeposits100.0100.0100.0100.0100.0

nvr:CorporateReconcilingItemsAndEliminations


Loss
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value38465258636327272728292727272932343231
Percentage of LossReserveOnContractLandDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nvr:LotsAndHousingUnitsCoveredUnderSalesAgreementsWithCustomers us-gaap:StatementBusinessSegments

nvr:LotsAndHousingUnitsCoveredUnderSalesAgreementsWithCustomers

nvr:HomeBuildingSegment


Lots
Period End2021-06-302021-03-312020-12-312019-12-31
Value1792162314841075
Percentage of LotsAndHousingUnitsCoveredUnderSalesAgreementsWithCustomers100.0100.0100.0100.0

us-gaap:HomeBuilding


Lots
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value1541134012161075123611991101107612631046
Percentage of LotsAndHousingUnitsCoveredUnderSalesAgreementsWithCustomers0.00.00.0100.00.00.00.00.00.00.0

nvr:LotsControlledByCompany us-gaap:ConsolidatedEntities

nvr:LotsControlledByCompany

us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Lots
Period End2020-09-302020-06-30
Value100000.098600.0
Percentage of LotsControlledByCompany100.0100.0

nvr:LotsControlledByCompany us-gaap:OtherCommitments

nvr:RawGroundContractsVariableInterestEntityNotPrimaryBeneficiary


Lots
Period End2021-06-302021-03-312020-12-31
Value9000.09000.06100.0
Percentage of LotsControlledByCompany0.00.00.0

us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Lots
Period End2021-06-302021-03-312020-12-31
Value112000.0106100.0103000.0
Percentage of LotsControlledByCompany0.00.00.0

nvr:MortgageRepurchaseReserveRealEstate

nvr:MortgageRepurchaseReserveRealEstate


Mortgage
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value2018151412
Percentage of MortgageRepurchaseReserveRealEstate100.0100.0100.0100.0100.0

nvr:NumberOfFinishedLotsExpectedToBeDevelopedFromRawParcelsOfLand us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty

nvr:NumberOfFinishedLotsExpectedToBeDevelopedFromRawParcelsOfLand

nvr:RawLandParcelPurchasedDuringPeriod


Number
Period End2021-06-30
Value80.0
Percentage of NumberOfFinishedLotsExpectedToBeDevelopedFromRawParcelsOfLand100.0

nvr:TotalRawLandParcelOwned


Number
Period End2021-06-30
Value100.0
Percentage of NumberOfFinishedLotsExpectedToBeDevelopedFromRawParcelsOfLand125.0

nvr:NumberOfFinishedLotsIntendedToBeDevelopedFromRawParcelsOfLand

nvr:NumberOfFinishedLotsIntendedToBeDevelopedFromRawParcelsOfLand


Number
Period End2020-12-312019-12-312018-12-312017-12-312017-10-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value500.0650.0500.0500.0150.0600.0980.0480.0650.0700.0800.0890.0
Percentage of NumberOfFinishedLotsIntendedToBeDevelopedFromRawParcelsOfLand100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nvr:RefundableDeposits us-gaap:ConsolidatedEntities

nvr:RefundableDeposits

nvr:RawGroundContractsVariableInterestEntityNotPrimaryBeneficiary


Refundable
Period End2020-09-30
Value1100000.0
Percentage of RefundableDeposits100.0

nvr:RefundableDeposits us-gaap:OtherCommitments

nvr:RawGroundContractsVariableInterestEntityNotPrimaryBeneficiary


Refundable
Period End2021-06-302021-03-312020-12-31
Value2800000.02000000.01000000.0
Percentage of RefundableDeposits0.00.00.0

nvr:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingNumber us-gaap:AwardType, us-gaap:PlanName

nvr:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingNumber

us-gaap:RestrictedStockUnitsRSU, nvr:TwoThousandTenEquityPlan


Share
Period End2020-12-312019-12-312018-12-312018-09-302018-06-302017-12-312016-12-312015-12-312014-12-312013-12-31
Value18000.015000.021000.021000.021000.010000.016000.051000.055000.045000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingNumber100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nvr:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingNumber us-gaap:PlanName

nvr:TwoThousandEighteenEquityPlan


Share
Period End2020-12-31
Value4000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingNumber22.2

nvr:TwoThousandTenEquityPlan


Share
Period End2020-12-31
Value14000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingNumber77.8

nvr:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndRestrictedShareUnitsOutstandingNumber us-gaap:PlanName

nvr:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndRestrictedShareUnitsOutstandingNumber

nvr:TwoThousandEighteenEquityPlan


Share
Period End2020-12-312019-12-312018-12-31
Value120000.0131000.0146000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndRestrictedShareUnitsOutstandingNumber100.0100.0100.0

nvr:TwoThousandFourteenEquityPlan


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value404000.0514000.0701000.0613000.0681000.0648000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndRestrictedShareUnitsOutstandingNumber336.7392.4480.10.00.00.0

nvr:TwoThousandTenEquityPlan


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value88000.0109000.0160000.0218000.0282000.0359000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndRestrictedShareUnitsOutstandingNumber73.383.2109.60.00.00.0

nvr:UnsoldLotsAndHousingUnits us-gaap:StatementBusinessSegments

nvr:UnsoldLotsAndHousingUnits

nvr:HomeBuildingSegment


Unsold
Period End2021-06-302021-03-312020-12-312019-12-31
Value131116123184
Percentage of UnsoldLotsAndHousingUnits100.0100.0100.0100.0

us-gaap:HomeBuilding


Unsold
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value124172210184161132122115102148
Percentage of UnsoldLotsAndHousingUnits0.00.00.0100.00.00.00.00.00.00.0

us-gaap:AccountsPayableAndOtherAccruedLiabilities us-gaap:StatementBusinessSegments

us-gaap:AccountsPayableAndOtherAccruedLiabilities

nvr:MortgageBankingSegment


Accounts
Period End2021-06-302021-03-312020-12-312019-12-31
Value49536243
Percentage of AccountsPayableAndOtherAccruedLiabilities100.0100.0100.0100.0

us-gaap:MortgageBanking


Accounts
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value45426143404343443532
Percentage of AccountsPayableAndOtherAccruedLiabilities0.00.00.0100.00.00.00.00.00.00.0

us-gaap:AccountsPayableCurrentAndNoncurrent us-gaap:StatementBusinessSegments

us-gaap:AccountsPayableCurrentAndNoncurrent

nvr:HomeBuildingSegment


Accounts
Period End2021-06-302021-03-312020-12-312019-12-31
Value380360339262
Percentage of AccountsPayableCurrentAndNoncurrent100.0100.0100.0100.0

us-gaap:HomeBuilding


Accounts
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value342294306262285309283244283261
Percentage of AccountsPayableCurrentAndNoncurrent0.00.00.0100.00.00.00.00.00.00.0

us-gaap:AccountsReceivableNet us-gaap:StatementBusinessSegments

us-gaap:AccountsReceivableNet

nvr:HomeBuildingSegment


Accounts
Period End2021-06-302021-03-312020-12-312019-12-31
Value24221818
Percentage of AccountsReceivableNet100.0100.0100.0100.0

us-gaap:HomeBuilding


Accounts
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value21202718292830182620
Percentage of AccountsReceivableNet0.00.00.0100.00.00.00.00.00.00.0

us-gaap:AccruedLiabilitiesCurrentAndNoncurrent dei:LegalEntity

us-gaap:AccruedLiabilitiesCurrentAndNoncurrent

nvr:ConsolidatedJointVenture


Accrued
Period End2020-12-312019-12-312018-12-312017-12-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value0.2440.2510.2820.4870.5470.550.6110.6220.8580.5671.3181.3891.3991.231
Percentage of AccruedLiabilitiesCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedLiabilitiesCurrentAndNoncurrent us-gaap:ConsolidatedEntities, us-gaap:BalanceSheetLocation, us-gaap:StatementBusinessSegments

nvr:ConsolidatedJointVenture, us-gaap:AccountsPayableAndAccruedLiabilities, us-gaap:HomeBuilding


Accrued
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value0.2470.2480.2480.2630.2640.264
Percentage of AccruedLiabilitiesCurrentAndNoncurrent0.00.00.00.00.00.0

us-gaap:AccruedLiabilitiesCurrentAndNoncurrent us-gaap:StatementBusinessSegments

nvr:HomeBuildingSegment


Accrued
Period End2021-06-302021-03-312020-12-312019-12-31
Value419458440346
Percentage of AccruedLiabilitiesCurrentAndNoncurrent0.00.0180602.9137862.5

us-gaap:HomeBuilding


Accrued
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value387349274346319299310332322341
Percentage of AccruedLiabilitiesCurrentAndNoncurrent0.00.00.0137862.50.00.00.0118039.40.070203.5

us-gaap:CapitalizedContractCostNet us-gaap:BalanceSheetLocation

us-gaap:CapitalizedContractCostNet

us-gaap:OtherAssets


Capitalized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value252522272319141818161721202119
Percentage of CapitalizedContractCostNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockSharesHeldInEmployeeTrust

us-gaap:CommonStockSharesHeldInEmployeeTrust


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
Value1616161616161616161616161717171717171717171717171717171717171717171725252525252525252740
Percentage of CommonStockSharesHeldInEmployeeTrust100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockSharesHeldInEmployeeTrustShares

us-gaap:CommonStockSharesHeldInEmployeeTrustShares


Common
Period End2020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-312010-12-31
Value107000.0107300.0107300.0107300.0107300.0107300.0107300.0107000.0107900.0107900.0108640.0108640.0108640.0108640.0108640.0108640.0108640.0108630.0108620.0108610.0108610.0108610.0108610.0108610.0108610.0109260.0109260.0109260.0152220.0152960.0158890.0
Percentage of CommonStockSharesHeldInEmployeeTrustShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiability us-gaap:StatementBusinessSegments

us-gaap:ContractWithCustomerLiability

nvr:HomeBuildingSegment


Contract
Period End2021-06-302021-03-312020-12-312019-12-31
Value365314240131
Percentage of ContractWithCustomerLiability100.0100.0100.0100.0

us-gaap:HomeBuilding


Contract
Period End2020-09-302020-06-302020-03-312019-12-31
Value211158147131
Percentage of ContractWithCustomerLiability0.00.00.0100.0

us-gaap:DebtInstrumentInterestRateEffectivePercentage us-gaap:DebtInstrument

us-gaap:DebtInstrumentInterestRateEffectivePercentage

nvr:SeniorNotesDueTwoThousandThirty


Debt
Period End2020-09-172020-06-302020-05-04
Value2.00.03023.02
Percentage of DebtInstrumentInterestRateEffectivePercentage100.0100.0100.0

nvr:SeniorNotesDueTwoThousandTwentyTwo


Debt
Period End2021-06-302021-03-312020-09-302020-06-302012-09-10
Value3.973.973.970.03973.97
Percentage of DebtInstrumentInterestRateEffectivePercentage0.00.00.0131.50.0

us-gaap:DebtInstrumentUnamortizedDiscountPremiumNet us-gaap:DebtInstrument

us-gaap:DebtInstrumentUnamortizedDiscountPremiumNet

nvr:A300MSeniorNotesDueTwoThousandThirty


Debt
Period End2020-12-31
Value-24324000.0
Percentage of DebtInstrumentUnamortizedDiscountPremiumNet100.0

nvr:A600MSeniorNotesDueTwoThousandThirty


Debt
Period End2020-12-31
Value1075000.0
Percentage of DebtInstrumentUnamortizedDiscountPremiumNet-4.4

nvr:SeniorNotesDueTwoThousandTwentyTwo


Debt
Period End2020-12-312019-12-31
Value207000.0322000.0
Percentage of DebtInstrumentUnamortizedDiscountPremiumNet-0.90.0

us-gaap:DeferredCompensationLiabilityCurrentAndNoncurrent

us-gaap:DeferredCompensationLiabilityCurrentAndNoncurrent


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1616161616161616161616161717171717171717171717171717171717171717171725252525252525252740
Percentage of DeferredCompensationLiabilityCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxAssetsNet us-gaap:ConsolidationItems

us-gaap:DeferredIncomeTaxAssetsNet

nvr:CorporateAndReconcilingItems


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value132115112111170
Percentage of DeferredIncomeTaxAssetsNet100.0100.0100.0100.0100.0

nvr:CorporateReconcilingItemsAndEliminations


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value137134132125121117115
Percentage of DeferredIncomeTaxAssetsNet0.00.0100.00.00.00.0100.0

us-gaap:DeferredIncomeTaxAssetsNet us-gaap:StatementBusinessSegments

nvr:HomeBuildingSegment


Deferred
Period End2020-12-312019-12-31
Value132115
Percentage of DeferredIncomeTaxAssetsNet100.0100.0

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value7184000.07902000.06091000.04511000.05414000.06489000.07371000.04290000.01702000.0
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


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
Value147130124124186177180172153166193
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsInventory

us-gaap:DeferredTaxAssetsInventory


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value13109.2429.3931312111110
Percentage of DeferredTaxAssetsInventory100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOther


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
Value8.6398.2895.1139.681109.3915.8474.25.6064.2285.856
Percentage of DeferredTaxAssetsOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation


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
Value4.6084.6354.6934.7437.0757.287.58.049101011
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost


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
Value4142403655454635263549
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther


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
Value6752514976778490778396
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves


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
Value1112131423242423222524
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepositsAssets

us-gaap:DepositsAssets


Deposits
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value425396387377360369413404409389396374361361370365358369379377375346343318301295294283253246236218207193191173155140131-127.57-129.202-100.786
Percentage of DepositsAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepositsAssets us-gaap:StatementBusinessSegments

nvr:HomeBuildingSegment


Deposits
Period End2021-06-302021-03-312020-12-312019-12-31
Value425396387413
Percentage of DepositsAssets100.0100.0100.0100.0

us-gaap:HomeBuilding


Deposits
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value377360369413404409389396374370
Percentage of DepositsAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeAssetFairValueGrossLiability us-gaap:BalanceSheetLocation, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:StatementBusinessSegments

us-gaap:DerivativeAssetFairValueGrossLiability

us-gaap:AccruedLiabilities, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:ForwardContracts, nvr:MortgageBankingSegment


Derivative
Period End2021-06-302021-03-312020-12-31
Value1.9390.2865.217
Percentage of DerivativeAssetFairValueGrossLiability100.0100.0100.0

us-gaap:OtherAssets, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:ForwardContracts, us-gaap:MortgageBanking


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value1.0784.412270.922.8876.857.625100.6690.667
Percentage of DerivativeAssetFairValueGrossLiability0.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherAssets, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:InterestRateLockCommitments, nvr:MortgageBankingSegment


Derivative
Period End2021-06-302021-03-312020-12-31
Value0.5397.9830.087
Percentage of DerivativeAssetFairValueGrossLiability27.82791.31.7

us-gaap:OtherAssets, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:InterestRateLockCommitments, us-gaap:MortgageBanking


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value0.6670.3472.880.4970.9590.1990.1490.3453.1651.832
Percentage of DerivativeAssetFairValueGrossLiability0.00.00.00.00.00.00.00.00.00.0

us-gaap:DerivativeAssetFairValueGrossLiability us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:StatementBusinessSegments

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:ForwardContracts, nvr:MortgageBankingSegment


Derivative
Period End2020-12-312019-12-31
Value5.2170.92
Percentage of DerivativeAssetFairValueGrossLiability100.00.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:InterestRateLockCommitments, nvr:MortgageBankingSegment


Derivative
Period End2020-12-312019-12-31
Value0.0870.497
Percentage of DerivativeAssetFairValueGrossLiability1.70.0

us-gaap:DerivativeFairValueOfDerivativeAsset us-gaap:BalanceSheetLocation, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:StatementBusinessSegments

us-gaap:DerivativeFairValueOfDerivativeAsset

us-gaap:AccruedLiabilities, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:ForwardContracts, nvr:MortgageBankingSegment


Derivative
Period End2021-06-302021-03-312020-12-31
Value0.335100.001
Percentage of DerivativeFairValueOfDerivativeAsset100.0100.0100.0

us-gaap:OtherAssets, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:ForwardContracts, us-gaap:MortgageBanking


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value0.6070.180.2740.3771.5190.2150.3120.0641.9490.992
Percentage of DerivativeFairValueOfDerivativeAsset0.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherAssets, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:InterestRateLockCommitments, nvr:MortgageBankingSegment


Derivative
Period End2021-06-302021-03-312020-12-31
Value151510
Percentage of DerivativeFairValueOfDerivativeAsset4557.3147.71084400.0

us-gaap:OtherAssets, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:InterestRateLockCommitments, us-gaap:MortgageBanking


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value8.9969.241218.13212191813125.4
Percentage of DerivativeFairValueOfDerivativeAsset0.00.00.00.00.00.00.00.00.00.0

us-gaap:DerivativeFairValueOfDerivativeAsset us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:StatementBusinessSegments

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:ForwardContracts, nvr:MortgageBankingSegment


Derivative
Period End2020-12-312019-12-31
Value0.0010.377
Percentage of DerivativeFairValueOfDerivativeAsset100.00.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:InterestRateLockCommitments, nvr:MortgageBankingSegment


Derivative
Period End2020-12-312019-12-31
Value108.132
Percentage of DerivativeFairValueOfDerivativeAsset1084400.00.0

us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue us-gaap:BalanceSheetLocation, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:StatementBusinessSegments

us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue

us-gaap:AccruedLiabilities, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:ForwardContracts, nvr:MortgageBankingSegment


Derivative
Period End2021-06-302021-03-312020-12-31
Value-1.60410-5.216
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue100.0100.0100.0

us-gaap:OtherAssets, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:InterestRateLockCommitments, nvr:MortgageBankingSegment


Derivative
Period End2021-06-302021-03-312020-12-31
Value147.89410
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue-918.275.4-206.2

us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:StatementBusinessSegments

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:ForwardContracts, nvr:MortgageBankingSegment


Derivative
Period End2020-12-312019-12-31
Value5.2160.543
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue-100.00.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:InterestRateLockCommitments, nvr:MortgageBankingSegment


Derivative
Period End2020-12-312019-12-31
Value107.635
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue-206.20.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:InterestRateLockCommitments, us-gaap:MortgageBanking


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312018-12-312017-12-31
Value8.3298.894197.635133.568
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue0.00.00.00.00.00.0

us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue us-gaap:BalanceSheetLocation, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:StatementBusinessSegments

us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue

us-gaap:OtherAssets, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:ForwardContracts, us-gaap:MortgageBanking


Derivative
Period End2020-09-302020-06-302019-12-31
Value471000.04232000.0543000.0
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue100.0100.0100.0

us-gaap:DerivativeNotionalAmount us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:StatementBusinessSegments

us-gaap:DerivativeNotionalAmount

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, nvr:MortgagesHeldForSale, nvr:MortgageBankingSegment


Derivative
Period End2020-12-312019-12-31
Value439485
Percentage of DerivativeNotionalAmount100.0100.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:ForwardContracts, nvr:MortgageBankingSegment


Derivative
Period End2020-12-31
Value916
Percentage of DerivativeNotionalAmount208.4

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:InterestRateLockCommitments, nvr:MortgageBankingSegment


Derivative
Period End2020-12-31
Value617
Percentage of DerivativeNotionalAmount140.4

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:RestrictedStockUnitsRSU


Employee
Period End2020-12-31
Value169
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0

us-gaap:FairValueDisclosureOffbalanceSheetRisksFaceAmountLiability us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:StatementBusinessSegments

us-gaap:FairValueDisclosureOffbalanceSheetRisksFaceAmountLiability

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:ForwardContracts, nvr:MortgageBankingSegment


Fair
Period End2021-06-302021-03-31
Value12631392
Percentage of FairValueDisclosureOffbalanceSheetRisksFaceAmountLiability100.0100.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:ForwardContracts, us-gaap:MortgageBanking


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-30
Value95889612939861101
Percentage of FairValueDisclosureOffbalanceSheetRisksFaceAmountLiability0.00.00.00.00.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:InterestRateLockCommitments, nvr:MortgageBankingSegment


Fair
Period End2021-06-302021-03-31
Value11301239
Percentage of FairValueDisclosureOffbalanceSheetRisksFaceAmountLiability89.589.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:InterestRateLockCommitments, us-gaap:MortgageBanking


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-30
Value791736972581827
Percentage of FairValueDisclosureOffbalanceSheetRisksFaceAmountLiability0.00.00.00.00.0

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiability


Finance
Period End2021-06-302021-03-312020-12-31
Value151516
Percentage of FinanceLeaseLiability100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDue


Finance
Period End2020-12-31
Value19
Percentage of FinanceLeaseLiabilityPaymentsDue100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueInNextRollingTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueInNextRollingTwelveMonths


Finance
Period End2020-12-31
Value1744000.0
Percentage of FinanceLeaseLiabilityPaymentsDueInNextRollingTwelveMonths100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueInRollingAfterYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueInRollingAfterYearFive


Finance
Period End2020-12-31
Value10
Percentage of FinanceLeaseLiabilityPaymentsDueInRollingAfterYearFive100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueInRollingYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueInRollingYearFive


Finance
Period End2020-12-31
Value1764000.0
Percentage of FinanceLeaseLiabilityPaymentsDueInRollingYearFive100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueInRollingYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueInRollingYearFour


Finance
Period End2020-12-31
Value1759000.0
Percentage of FinanceLeaseLiabilityPaymentsDueInRollingYearFour100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueInRollingYearThree

us-gaap:FinanceLeaseLiabilityPaymentsDueInRollingYearThree


Finance
Period End2020-12-31
Value1754000.0
Percentage of FinanceLeaseLiabilityPaymentsDueInRollingYearThree100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueInRollingYearTwo

us-gaap:FinanceLeaseLiabilityPaymentsDueInRollingYearTwo


Finance
Period End2020-12-31
Value1749000.0
Percentage of FinanceLeaseLiabilityPaymentsDueInRollingYearTwo100.0

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount


Finance
Period End2020-12-31
Value3339000.0
Percentage of FinanceLeaseLiabilityUndiscountedExcessAmount100.0

us-gaap:FinanceLeaseRightOfUseAsset

us-gaap:FinanceLeaseRightOfUseAsset


Finance
Period End2021-06-302021-03-312020-12-31
Value141515
Percentage of FinanceLeaseRightOfUseAsset100.0100.0100.0

us-gaap:FinanceLeaseRightOfUseAsset us-gaap:ConsolidationItems

nvr:CorporateAndReconcilingItems


Finance
Period End2020-12-312019-12-31
Value157.052
Percentage of FinanceLeaseRightOfUseAsset100.00.0

nvr:CorporateReconcilingItemsAndEliminations


Finance
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value141515157.052
Percentage of FinanceLeaseRightOfUseAsset100.0100.0100.00.00.0

us-gaap:FinanceLeaseRightOfUseAsset us-gaap:StatementBusinessSegments

nvr:HomeBuildingSegment


Finance
Period End2020-12-312019-12-31
Value157.051
Percentage of FinanceLeaseRightOfUseAsset100.00.0

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value2.82.82.82.80.0280.0280.028
Percentage of FinanceLeaseWeightedAverageDiscountRatePercent100.0100.0100.0100.0100.0100.0100.0

us-gaap:GuaranteeObligationsMaximumExposure

us-gaap:GuaranteeObligationsMaximumExposure


Guarantee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value432404395384367375419410415394401379365366373368362373383381378352348322306301300
Percentage of GuaranteeObligationsMaximumExposure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryOperativeBuilders us-gaap:StatementBusinessSegments

us-gaap:InventoryOperativeBuilders

nvr:HomeBuildingSegment


Inventory
Period End2021-06-302021-03-312020-12-312019-12-31
Value1973182917091347
Percentage of InventoryOperativeBuilders100.0100.0100.0100.0

us-gaap:HomeBuilding


Inventory
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value1763160215151347149613971281125314211246
Percentage of InventoryOperativeBuilders0.00.00.0100.00.00.00.00.00.00.0

us-gaap:InventoryRealEstateLandAndLandDevelopmentCosts

us-gaap:InventoryRealEstateLandAndLandDevelopmentCosts


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value7.7946362636968698046373836353334194663466258163605325353355634641598796687170707891
Percentage of InventoryRealEstateLandAndLandDevelopmentCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryRealEstateLandAndLandDevelopmentCosts us-gaap:StatementBusinessSegments

nvr:HomeBuildingSegment


Inventory
Period End2021-06-302021-03-312020-12-312019-12-31
Value7.794636269
Percentage of InventoryRealEstateLandAndLandDevelopmentCosts100.0100.0100.0100.0

us-gaap:HomeBuilding


Inventory
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value63696869804637383634
Percentage of InventoryRealEstateLandAndLandDevelopmentCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterRollingYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterRollingYearFive


Lessee
Period End2020-12-31
Value6641000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterRollingYearFive100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFive


Lessee
Period End2020-12-31
Value4970000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFive100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFour


Lessee
Period End2020-12-31
Value8825000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFour100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearThree


Lessee
Period End2020-12-31
Value14
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearThree100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearTwo


Lessee
Period End2020-12-31
Value19
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearTwo100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextRollingTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextRollingTwelveMonths


Lessee
Period End2020-12-31
Value30
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextRollingTwelveMonths100.0

us-gaap:LettersOfCreditOutstandingAmount us-gaap:DebtInstrument

us-gaap:LettersOfCreditOutstandingAmount

nvr:CreditAgreement


Letters
Period End2020-12-31
Value12
Percentage of LettersOfCreditOutstandingAmount100.0

us-gaap:LineOfCreditFacilityFairValueOfAmountOutstanding us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:LineOfCreditFacilityFairValueOfAmountOutstanding

us-gaap:RevolvingCreditFacility, nvr:CreditAgreement, nvr:SublimitForIssuanceOfLettersOfCredit


Line
Period End2021-06-302021-03-312020-12-312020-09-30
Value11121211
Percentage of LineOfCreditFacilityFairValueOfAmountOutstanding100.0100.0100.0100.0

us-gaap:LoansReceivableHeldForSaleNetNotPartOfDisposalGroup us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:StatementBusinessSegments

us-gaap:LoansReceivableHeldForSaleNetNotPartOfDisposalGroup

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, nvr:MortgagesHeldForSale, nvr:MortgageBankingSegment


Loans
Period End2020-12-312019-12-31
Value449492
Percentage of LoansReceivableHeldForSaleNetNotPartOfDisposalGroup100.0100.0

us-gaap:LoansReceivableHeldForSaleNetNotPartOfDisposalGroup us-gaap:StatementBusinessSegments

nvr:MortgageBankingSegment


Loans
Period End2021-06-302021-03-312020-12-312019-12-31
Value344334449492
Percentage of LoansReceivableHeldForSaleNetNotPartOfDisposalGroup0.00.0100.0100.0

us-gaap:LongTermDebtFairValue us-gaap:DebtInstrument, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:LongTermDebtFairValue

nvr:A600MSeniorNotesDueTwoThousandThirty, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Long
Period End2020-12-31
Value982
Percentage of LongTermDebtFairValue100.0

nvr:SeniorNotesDueTwoThousandTwentyTwo, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Long
Period End2020-12-312019-12-31
Value630626
Percentage of LongTermDebtFairValue64.10.0

us-gaap:SeniorNotes, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Long
Period End2020-12-312019-12-31
Value1612626
Percentage of LongTermDebtFairValue164.10.0

us-gaap:LongTermDebtFairValue us-gaap:DebtInstrument, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:StatementBusinessSegments

nvr:SeniorNotesDueTwoThousandThirty, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, nvr:HomeBuildingSegment


Long
Period End2021-06-302021-03-312020-12-31
Value953922982
Percentage of LongTermDebtFairValue0.00.0100.0

nvr:SeniorNotesDueTwoThousandThirty, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:HomeBuilding


Long
Period End2020-09-302020-06-302019-12-31
Value9706230.0
Percentage of LongTermDebtFairValue0.00.00.0

nvr:SeniorNotesDueTwoThousandTwentyTwo, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, nvr:HomeBuildingSegment


Long
Period End2021-06-302021-03-312020-12-31
Value620620630
Percentage of LongTermDebtFairValue0.00.064.1

nvr:SeniorNotesDueTwoThousandTwentyTwo, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:HomeBuilding


Long
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value633637610626625619616594624630
Percentage of LongTermDebtFairValue0.00.00.00.00.00.00.00.00.00.0

us-gaap:SeniorNotes, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, nvr:HomeBuildingSegment


Long
Period End2021-06-302021-03-312020-12-31
Value157315421612
Percentage of LongTermDebtFairValue0.00.0164.1

us-gaap:SeniorNotes, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:HomeBuilding


Long
Period End2020-09-302020-06-302019-12-31
Value16031260626
Percentage of LongTermDebtFairValue0.00.00.0

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value3.13.33.43.40.0350.0360.036
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductWarrantyAccrual

us-gaap:ProductWarrantyAccrual


Product
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value127124119113111107108103100102103999995949695939388878687858589949497981018177636261586064636265696770656468
Percentage of ProductWarrantyAccrual100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateInventoryCapitalizedInterestCosts

us-gaap:RealEstateInventoryCapitalizedInterestCosts


Real
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value644000.0829000.01025000.02408000.02673000.03034000.03499000.03576000.03854000.04140000.04154000.04572000.05388000.05545000.05583000.05669000.05952000.05564000.05106000.04914000.04576000.05358000.04434000.04280000.04332000.04271000.04072000.04027000.03810000.03618000.03294000.03021000.02454000.01577000.0893000.0167000.000
Percentage of RealEstateInventoryCapitalizedInterestCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:RealEstateInventoryConstructionMaterials us-gaap:StatementBusinessSegments

us-gaap:RealEstateInventoryConstructionMaterials

nvr:HomeBuildingSegment


Real
Period End2021-06-302021-03-312020-12-312019-12-31
Value41263818
Percentage of RealEstateInventoryConstructionMaterials100.0100.0100.0100.0

us-gaap:HomeBuilding


Real
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value33202018181919211817
Percentage of RealEstateInventoryConstructionMaterials0.00.00.0100.00.00.00.00.00.00.0

us-gaap:RestrictedCashAndCashEquivalents us-gaap:ConsolidatedEntities, us-gaap:BalanceSheetLocation, us-gaap:StatementBusinessSegments

us-gaap:RestrictedCashAndCashEquivalents

nvr:ConsolidatedJointVenture, us-gaap:OtherAssets, nvr:HomeBuildingSegment


Restricted
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-31
Value0.2730.2730.2690.2720.2740.281
Percentage of RestrictedCashAndCashEquivalents100.0100.0100.0100.0100.0100.0

nvr:ConsolidatedJointVenture, us-gaap:OtherAssets, us-gaap:HomeBuilding


Restricted
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value0.2710.2720.2740.2810.2930.2940.30.320.3351.1281.1481.0691.1771.214
Percentage of RestrictedCashAndCashEquivalents0.0100.0100.0100.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RestrictedCashAndCashEquivalents us-gaap:StatementBusinessSegments

nvr:HomeBuildingSegment


Restricted
Period End2021-06-302021-03-312020-12-312019-12-31
Value42362817
Percentage of RestrictedCashAndCashEquivalents15583.513257.510748.06385.4

nvr:MortgageBankingSegment


Restricted
Period End2021-06-302021-03-312020-12-312019-12-31
Value3.6883.8672.3342.276
Percentage of RestrictedCashAndCashEquivalents1350.91416.5867.7810.0

us-gaap:HomeBuilding


Restricted
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value28242317182019161919
Percentage of RestrictedCashAndCashEquivalents0.09062.58481.06385.40.00.00.00.00.00.0

us-gaap:MortgageBanking


Restricted
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value3.1722.1992.7592.2762.4933.3934.3373.0713.1512.256
Percentage of RestrictedCashAndCashEquivalents0.0808.51006.9810.00.00.00.00.00.00.0

us-gaap:SeniorNotes us-gaap:DebtInstrument

us-gaap:SeniorNotes

nvr:A600MSeniorNotesDueTwoThousandThirty


Senior
Period End2020-12-31
Value918
Percentage of SeniorNotes100.0

nvr:SeniorNotesDueTwoThousandTwentyTwo


Senior
Period End2020-12-312019-12-31
Value598598
Percentage of SeniorNotes65.20.0

us-gaap:SeniorNotes


Senior
Period End2020-12-312019-12-31
Value1517598
Percentage of SeniorNotes165.20.0

us-gaap:SeniorNotes us-gaap:DebtInstrument, us-gaap:StatementBusinessSegments

nvr:SeniorNotesDueTwoThousandThirty, nvr:HomeBuildingSegment


Senior
Period End2021-06-302021-03-312020-12-31
Value917918918
Percentage of SeniorNotes0.00.0100.0

nvr:SeniorNotesDueTwoThousandThirty, us-gaap:HomeBuilding


Senior
Period End2020-09-302020-06-302019-12-31
Value9195950.0
Percentage of SeniorNotes0.00.00.0

nvr:SeniorNotesDueTwoThousandTwentyTwo, nvr:HomeBuildingSegment


Senior
Period End2021-06-302021-03-312020-12-31
Value599599598
Percentage of SeniorNotes0.00.065.2

nvr:SeniorNotesDueTwoThousandTwentyTwo, us-gaap:HomeBuilding


Senior
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value598598598598598597597597597597
Percentage of SeniorNotes0.00.00.00.00.00.00.00.00.00.0

us-gaap:SeniorNotes, nvr:HomeBuildingSegment


Senior
Period End2021-06-302021-03-312020-12-31
Value151615171517
Percentage of SeniorNotes0.00.0165.2

us-gaap:SeniorNotes, us-gaap:HomeBuilding


Senior
Period End2020-09-302020-06-302019-12-31
Value15171193598
Percentage of SeniorNotes0.00.00.0

us-gaap:SeniorNotes us-gaap:StatementBusinessSegments

nvr:HomeBuildingSegment


Senior
Period End2021-06-302021-03-312020-12-312019-12-31
Value151615171517598
Percentage of SeniorNotes0.00.0165.20.0

us-gaap:HomeBuilding


Senior
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value15171193598598598597597597597597
Percentage of SeniorNotes0.00.00.00.00.00.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant us-gaap:AwardType, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant

us-gaap:RestrictedStockUnitsRSU, nvr:TwoThousandEighteenEquityPlan


Share
Period End2020-12-31
Value36000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant us-gaap:PlanName

nvr:TwoThousandEighteenEquityPlan


Share
Period End2020-12-312019-12-312018-12-31
Value155000.0144000.0129000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant430.60.00.0

nvr:TwoThousandFourteenEquityPlan


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value126000.0137000.0102000.0276000.0269000.0302000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant350.00.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber

us-gaap:EmployeeStockOption


Share
Period End2020-12-31
Value303000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:EmployeeStockOption


Share
Period End2020-12-31
Value1696.3
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:EmployeeStockOption


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value105913317032187667705393190
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue us-gaap:AwardType, us-gaap:PlanName

us-gaap:RestrictedStockUnitsRSU, nvr:TwoThousandTenEquityPlan


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value71585034268370
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue6.84.47.21.64.011.818.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1 us-gaap:AwardType

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:EmployeeStockOption


Sharebased
Period End2020-12-31
Value722
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1100.0

us-gaap:ShortTermLeaseCommitmentAmount us-gaap:LeaseContractualTerm

us-gaap:ShortTermLeaseCommitmentAmount

nvr:OperatingLeasesMember


Short
Period End2020-12-31
Value6765000.0
Percentage of ShortTermLeaseCommitmentAmount100.0

us-gaap:SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit

us-gaap:SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit


Significant
Period End2020-12-31
Value7700000.0
Percentage of SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit100.0

us-gaap:TradeAndLoansReceivablesHeldForSaleNetNotPartOfDisposalGroup us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:StatementBusinessSegments

us-gaap:TradeAndLoansReceivablesHeldForSaleNetNotPartOfDisposalGroup

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, nvr:MortgagesHeldForSale, nvr:MortgageBankingSegment


Trade
Period End2021-06-302021-03-312020-12-31
Value344334449
Percentage of TradeAndLoansReceivablesHeldForSaleNetNotPartOfDisposalGroup100.0100.0100.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, nvr:MortgagesHeldForSale, us-gaap:MortgageBanking


Trade
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value340325430492411462422458
Percentage of TradeAndLoansReceivablesHeldForSaleNetNotPartOfDisposalGroup0.00.00.00.00.00.00.00.0

us-gaap:TradeAndLoansReceivablesHeldForSaleNetNotPartOfDisposalGroup us-gaap:StatementBusinessSegments

us-gaap:MortgageBanking


Trade
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value340325430492411462422458
Percentage of TradeAndLoansReceivablesHeldForSaleNetNotPartOfDisposalGroup0.00.00.00.00.00.00.00.0

us-gaap:UnamortizedDebtIssuanceExpense us-gaap:DebtInstrument

us-gaap:UnamortizedDebtIssuanceExpense

nvr:A300MSeniorNotesDueTwoThousandThirty


Unamortized
Period End2020-12-31
Value1392000.0
Percentage of UnamortizedDebtIssuanceExpense100.0

nvr:A600MSeniorNotesDueTwoThousandThirty


Unamortized
Period End2020-12-31
Value3387000.0
Percentage of UnamortizedDebtIssuanceExpense243.3

nvr:SeniorNotesDueTwoThousandTwentyTwo


Unamortized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312016-09-302016-06-302015-12-31
Value868000.01377000.01886000.02395000.02904000.03031000.03158000.03413000.0
Percentage of UnamortizedDebtIssuanceExpense62.40.00.00.00.00.00.00.0

us-gaap:UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued

us-gaap:UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1515171819212121202422
Percentage of UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate


Unrecognized
Period End2020-12-31
Value29
Percentage of UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate100.0

Line plots across dimensions of each concept


COGS Ratio
us-gaap:StatementBusinessSegments
(None,)
C O G S  Ratious-gaap: Statement Business Segments
EBT margin
us-gaap:StatementBusinessSegments
(None,)
E B T margin  us-gaap: Statement Business Segments
Operating Margin
us-gaap:StatementBusinessSegments
(None,)
Operating  Marginus-gaap: Statement Business Segments
SG&A Ratio
us-gaap:StatementBusinessSegments
(None,)
S G& A  Ratious-gaap: Statement Business Segments
us-gaap:CostOfGoodsAndServicesSold
us-gaap:StatementBusinessSegments
(None,)
Cost Of Goods And Services Soldus-gaap: Statement Business Segments
us-gaap:GeneralAndAdministrativeExpense
us-gaap:StatementBusinessSegments
(None,)
General And Administrative Expenseus-gaap: Statement Business Segments
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Income Loss From Continuing Operations Before Income Taxes Domesticus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
us-gaap:StatementBusinessSegments
(None,)
Income Loss From Continuing Operations Before Income Taxes Domesticus-gaap: Statement Business Segments
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
us-gaap:ConsolidationItems
(None,)
Income Loss From Continuing Operations Before Income Taxes Domesticus-gaap: Consolidation Items
us-gaap:InterestExpense
us-gaap:StatementBusinessSegments
(None,)
Interest Expenseus-gaap: Statement Business Segments
us-gaap:OperatingIncomeLoss
us-gaap:StatementBusinessSegments
(None,)
Operating Income Lossus-gaap: Statement Business Segments
us-gaap:OtherIncome
us-gaap:StatementBusinessSegments
(None,)
Other Incomeus-gaap: Statement Business Segments
us-gaap:Revenues
us-gaap:StatementBusinessSegments
(None,)
Revenuesus-gaap: Statement Business Segments
us-gaap:SellingGeneralAndAdministrativeExpense
us-gaap:StatementBusinessSegments
(None,)
Selling General And Administrative Expenseus-gaap: Statement Business Segments
us-gaap:Assets
us-gaap:StatementBusinessSegments
(None,)
Assetsus-gaap: Statement Business Segments
us-gaap:Assets
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Assetsus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:Assets
us-gaap:ConsolidationItems
(None,)
Assetsus-gaap: Consolidation Items
us-gaap:Liabilities
us-gaap:StatementBusinessSegments
(None,)
Liabilitiesus-gaap: Statement Business Segments
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components
us-gaap:CashAndCashEquivalentsAtCarryingValue
us-gaap:StatementBusinessSegments
(None,)
Cash And Cash Equivalents At Carrying Valueus-gaap: Statement Business Segments
us-gaap:CashAndCashEquivalentsAtCarryingValue
us-gaap:ConsolidationItems
(None,)
Cash And Cash Equivalents At Carrying Valueus-gaap: Consolidation Items
us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType, us-gaap:StatementBusinessSegments
('nvr:OfficeFacilitiesAndOtherEquipment', None)
Property Plant And Equipment Grossus-gaap: Property Plant And Equipment By Type, us-gaap: Statement Business Segments
us-gaap:PropertyPlantAndEquipmentNet
us-gaap:StatementBusinessSegments
(None,)
Property Plant And Equipment Netus-gaap: Statement Business Segments
us-gaap:IntangibleAssetsNetIncludingGoodwill
us-gaap:ConsolidationItems
(None,)
Intangible Assets Net Including Goodwillus-gaap: Consolidation Items
us-gaap:OperatingLeaseRightOfUseAsset
us-gaap:ConsolidationItems
(None,)
Operating Lease Right Of Use Assetus-gaap: Consolidation Items
us-gaap:OperatingLeaseRightOfUseAsset
us-gaap:StatementBusinessSegments
(None,)
Operating Lease Right Of Use Assetus-gaap: Statement Business Segments
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components