http://fasb.org/us-gaap/2024#DebtSecuritiesAvailableForSaleExcludingAccruedInteresthttp://principal.com/20240630#ContractholderFunds0001126328--12-312024Q2falsehttp://principal.com/20240630#OperatingExpensesIncludingDeferredAcquisitionCostsCapitalizationAndAmortizationhttp://principal.com/20240630#OperatingExpensesIncludingDeferredAcquisitionCostsCapitalizationAndAmortizationhttp://principal.com/20240630#OperatingExpensesIncludingDeferredAcquisitionCostsCapitalizationAndAmortizationhttp://principal.com/20240630#OperatingExpensesIncludingDeferredAcquisitionCostsCapitalizationAndAmortizationhttp://principal.com/20240630#OperatingExpensesIncludingDeferredAcquisitionCostsCapitalizationAndAmortizationhttp://principal.com/20240630#OperatingExpensesIncludingDeferredAcquisitionCostsCapitalizationAndAmortizationhttp://principal.com/20240630#OperatingExpensesIncludingDeferredAcquisitionCostsCapitalizationAndAmortizationhttp://principal.com/20240630#OperatingExpensesIncludingDeferredAcquisitionCostsCapitalizationAndAmortizationhttp://principal.com/20240630#OperatingExpensesIncludingDeferredAcquisitionCostsCapitalizationAndAmortizationhttp://principal.com/20240630#OperatingExpensesIncludingDeferredAcquisitionCostsCapitalizationAndAmortizationhttp://principal.com/20240630#OperatingExpensesIncludingDeferredAcquisitionCostsCapitalizationAndAmortizationhttp://principal.com/20240630#OperatingExpensesIncludingDeferredAcquisitionCostsCapitalizationAndAmortizationhttp://principal.com/20240630#OperatingExpensesIncludingDeferredAcquisitionCostsCapitalizationAndAmortizationhttp://principal.com/20240630#OperatingExpensesIncludingDeferredAcquisitionCostsCapitalizationAndAmortizationhttp://principal.com/20240630#OperatingExpensesIncludingDeferredAcquisitionCostsCapitalizationAndAmortizationhttp://principal.com/20240630#OperatingExpensesIncludingDeferredAcquisitionCostsCapitalizationAndAmortizationhttp://fasb.org/us-gaap/2024#GainLossOnInvestments http://principal.com/20240630#ChangeInFairValueOfFundsWithheldEmbeddedDerivativehttp://fasb.org/us-gaap/2024#GainLossOnInvestments http://principal.com/20240630#ChangeInFairValueOfFundsWithheldEmbeddedDerivativehttp://fasb.org/us-gaap/2024#GainLossOnInvestments http://principal.com/20240630#ChangeInFairValueOfFundsWithheldEmbeddedDerivativehttp://fasb.org/us-gaap/2024#GainLossOnInvestments http://principal.com/20240630#ChangeInFairValueOfFundsWithheldEmbeddedDerivativehttp://principal.com/20240630#OtherComprehensiveIncomeAvailableForSaleSecuritiesPeriodIncreaseDecreaseNetOfTax http://principal.com/20240630#OtherComprehensiveIncomeDerivativesPeriodIncreaseDecreaseNetOfTaxhttp://principal.com/20240630#OtherComprehensiveIncomeAvailableForSaleSecuritiesPeriodIncreaseDecreaseNetOfTax http://principal.com/20240630#OtherComprehensiveIncomeDerivativesPeriodIncreaseDecreaseNetOfTaxhttp://principal.com/20240630#OtherComprehensiveIncomeAvailableForSaleSecuritiesPeriodIncreaseDecreaseNetOfTax http://principal.com/20240630#OtherComprehensiveIncomeDerivativesPeriodIncreaseDecreaseNetOfTaxhttp://principal.com/20240630#OtherComprehensiveIncomeAvailableForSaleSecuritiesPeriodIncreaseDecreaseNetOfTax http://principal.com/20240630#OtherComprehensiveIncomeDerivativesPeriodIncreaseDecreaseNetOfTaxhttp://fasb.org/us-gaap/2024#GainLossOnInvestments http://principal.com/20240630#ChangeInFairValueOfFundsWithheldEmbeddedDerivativehttp://fasb.org/us-gaap/2024#GainLossOnInvestments http://principal.com/20240630#ChangeInFairValueOfFundsWithheldEmbeddedDerivativehttp://fasb.org/us-gaap/2024#GainLossOnInvestments http://principal.com/20240630#ChangeInFairValueOfFundsWithheldEmbeddedDerivativehttp://fasb.org/us-gaap/2024#GainLossOnInvestments http://principal.com/20240630#ChangeInFairValueOfFundsWithheldEmbeddedDerivativehttp://principal.com/20240630#OtherComprehensiveIncomeAvailableForSaleSecuritiesPeriodIncreaseDecreaseNetOfTax http://principal.com/20240630#OtherComprehensiveIncomeDerivativesPeriodIncreaseDecreaseNetOfTaxhttp://principal.com/20240630#OtherComprehensiveIncomeAvailableForSaleSecuritiesPeriodIncreaseDecreaseNetOfTax http://principal.com/20240630#OtherComprehensiveIncomeDerivativesPeriodIncreaseDecreaseNetOfTaxhttp://principal.com/20240630#OtherComprehensiveIncomeAvailableForSaleSecuritiesPeriodIncreaseDecreaseNetOfTax http://principal.com/20240630#OtherComprehensiveIncomeDerivativesPeriodIncreaseDecreaseNetOfTaxhttp://principal.com/20240630#OtherComprehensiveIncomeAvailableForSaleSecuritiesPeriodIncreaseDecreaseNetOfTax http://principal.com/20240630#OtherComprehensiveIncomeDerivativesPeriodIncreaseDecreaseNetOfTaxhttp://fasb.org/us-gaap/2024#GainLossOnInvestments http://principal.com/20240630#ChangeInFairValueOfFundsWithheldEmbeddedDerivativehttp://fasb.org/us-gaap/2024#GainLossOnInvestments http://principal.com/20240630#ChangeInFairValueOfFundsWithheldEmbeddedDerivativehttp://fasb.org/us-gaap/2024#GainLossOnInvestments http://principal.com/20240630#ChangeInFairValueOfFundsWithheldEmbeddedDerivativehttp://fasb.org/us-gaap/2024#GainLossOnInvestments http://principal.com/20240630#ChangeInFairValueOfFundsWithheldEmbeddedDerivativehttp://principal.com/20240630#OtherComprehensiveIncomeAvailableForSaleSecuritiesPeriodIncreaseDecreaseNetOfTax http://principal.com/20240630#OtherComprehensiveIncomeDerivativesPeriodIncreaseDecreaseNetOfTaxhttp://principal.com/20240630#OtherComprehensiveIncomeAvailableForSaleSecuritiesPeriodIncreaseDecreaseNetOfTax http://principal.com/20240630#OtherComprehensiveIncomeDerivativesPeriodIncreaseDecreaseNetOfTaxhttp://principal.com/20240630#OtherComprehensiveIncomeAvailableForSaleSecuritiesPeriodIncreaseDecreaseNetOfTax http://principal.com/20240630#OtherComprehensiveIncomeDerivativesPeriodIncreaseDecreaseNetOfTaxhttp://principal.com/20240630#OtherComprehensiveIncomeAvailableForSaleSecuritiesPeriodIncreaseDecreaseNetOfTax http://principal.com/20240630#OtherComprehensiveIncomeDerivativesPeriodIncreaseDecreaseNetOfTaxhttp://principal.com/20240630#OperatingExpensesIncludingDeferredAcquisitionCostsCapitalizationAndAmortizationhttp://principal.com/20240630#OperatingExpensesIncludingDeferredAcquisitionCostsCapitalizationAndAmortizationhttp://principal.com/20240630#OperatingExpensesIncludingDeferredAcquisitionCostsCapitalizationAndAmortizationhttp://principal.com/20240630#OperatingExpensesIncludingDeferredAcquisitionCostsCapitalizationAndAmortizationhttp://principal.com/20240630#OperatingExpensesIncludingDeferredAcquisitionCostsCapitalizationAndAmortizationhttp://principal.com/20240630#OperatingExpensesIncludingDeferredAcquisitionCostsCapitalizationAndAmortizationhttp://principal.com/20240630#OperatingExpensesIncludingDeferredAcquisitionCostsCapitalizationAndAmortizationhttp://principal.com/20240630#OperatingExpensesIncludingDeferredAcquisitionCostsCapitalizationAndAmortizationhttp://principal.com/20240630#OperatingExpensesIncludingDeferredAcquisitionCostsCapitalizationAndAmortizationhttp://principal.com/20240630#OperatingExpensesIncludingDeferredAcquisitionCostsCapitalizationAndAmortizationhttp://principal.com/20240630#OperatingExpensesIncludingDeferredAcquisitionCostsCapitalizationAndAmortizationhttp://principal.com/20240630#OperatingExpensesIncludingDeferredAcquisitionCostsCapitalizationAndAmortizationhttp://principal.com/20240630#OperatingExpensesIncludingDeferredAcquisitionCostsCapitalizationAndAmortizationhttp://principal.com/20240630#OperatingExpensesIncludingDeferredAcquisitionCostsCapitalizationAndAmortizationhttp://principal.com/20240630#OperatingExpensesIncludingDeferredAcquisitionCostsCapitalizationAndAmortizationhttp://principal.com/20240630#OperatingExpensesIncludingDeferredAcquisitionCostsCapitalizationAndAmortizationhttp://fasb.org/us-gaap/2024#DebtSecuritiesAvailableForSaleExcludingAccruedInteresthttp://principal.com/20240630#ContractholderFundsP0Yhttp://fasb.org/us-gaap/2024#ValuationTechniqueDiscountedCashFlowMemberhttp://fasb.org/us-gaap/2024#ValuationTechniqueDiscountedCashFlowMemberhttp://fasb.org/us-gaap/2024#ValuationTechniqueDiscountedCashFlowMemberhttp://fasb.org/us-gaap/2024#ValuationTechniqueDiscountedCashFlowMemberhttp://fasb.org/us-gaap/2024#ValuationTechniqueDiscountedCashFlowMemberhttp://fasb.org/us-gaap/2024#ValuationTechniqueDiscountedCashFlowMemberhttp://fasb.org/us-gaap/2024#ValuationTechniqueDiscountedCashFlowMemberhttp://fasb.org/us-gaap/2024#ValuationTechniqueDiscountedCashFlowMemberhttp://fasb.org/us-gaap/2024#ValuationTechniqueDiscountedCashFlowMemberhttp://fasb.org/us-gaap/2024#ValuationTechniqueDiscountedCashFlowMember0001126328us-gaap:TreasuryStockCommonMember2024-04-012024-06-300001126328us-gaap:TreasuryStockCommonMember2024-01-012024-06-300001126328us-gaap:TreasuryStockCommonMember2023-04-012023-06-300001126328us-gaap:TreasuryStockCommonMember2023-01-012023-06-300001126328us-gaap:CommonStockMember2024-04-012024-06-300001126328us-gaap:CommonStockMember2024-01-012024-06-300001126328us-gaap:CommonStockMember2023-04-012023-06-300001126328us-gaap:CommonStockMember2023-01-012023-06-300001126328us-gaap:TreasuryStockCommonMember2024-06-300001126328us-gaap:RetainedEarningsMember2024-06-300001126328us-gaap:NoncontrollingInterestMember2024-06-300001126328us-gaap:AdditionalPaidInCapitalMember2024-06-300001126328us-gaap:TreasuryStockCommonMember2024-03-310001126328us-gaap:RetainedEarningsMember2024-03-310001126328us-gaap:NoncontrollingInterestMember2024-03-310001126328us-gaap:AdditionalPaidInCapitalMember2024-03-310001126328us-gaap:TreasuryStockCommonMember2023-12-310001126328us-gaap:RetainedEarningsMember2023-12-310001126328us-gaap:NoncontrollingInterestMember2023-12-310001126328us-gaap:AdditionalPaidInCapitalMember2023-12-310001126328us-gaap:TreasuryStockCommonMember2023-06-300001126328us-gaap:RetainedEarningsMember2023-06-300001126328us-gaap:NoncontrollingInterestMember2023-06-300001126328us-gaap:AdditionalPaidInCapitalMember2023-06-300001126328us-gaap:TreasuryStockCommonMember2023-03-310001126328us-gaap:RetainedEarningsMember2023-03-310001126328us-gaap:NoncontrollingInterestMember2023-03-310001126328us-gaap:AdditionalPaidInCapitalMember2023-03-310001126328us-gaap:TreasuryStockCommonMember2022-12-310001126328us-gaap:RetainedEarningsMember2022-12-310001126328us-gaap:NoncontrollingInterestMember2022-12-310001126328us-gaap:AdditionalPaidInCapitalMember2022-12-310001126328us-gaap:AociMarketRiskBenefitInstrumentSpecificCreditRiskIncludingNoncontrollingInterestMember2024-06-300001126328us-gaap:AociLiabilityForFuturePolicyBenefitIncludingNoncontrollingInterestMember2024-06-300001126328us-gaap:AccumulatedTranslationAdjustmentMember2024-06-300001126328us-gaap:AccumulatedOtherComprehensiveIncomeMember2024-06-300001126328us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2024-06-300001126328us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2024-06-300001126328us-gaap:AociMarketRiskBenefitInstrumentSpecificCreditRiskIncludingNoncontrollingInterestMember2024-03-310001126328us-gaap:AociLiabilityForFuturePolicyBenefitIncludingNoncontrollingInterestMember2024-03-310001126328us-gaap:AccumulatedTranslationAdjustmentMember2024-03-310001126328us-gaap:AccumulatedOtherComprehensiveIncomeMember2024-03-310001126328us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember2024-03-310001126328us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2024-03-310001126328us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2024-03-310001126328us-gaap:AociMarketRiskBenefitInstrumentSpecificCreditRiskIncludingNoncontrollingInterestMember2023-12-310001126328us-gaap:AociLiabilityForFuturePolicyBenefitIncludingNoncontrollingInterestMember2023-12-310001126328us-gaap:AccumulatedTranslationAdjustmentMember2023-12-310001126328us-gaap:AccumulatedOtherComprehensiveIncomeMember2023-12-310001126328us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember2023-12-310001126328us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2023-12-310001126328us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2023-12-310001126328us-gaap:AociMarketRiskBenefitInstrumentSpecificCreditRiskIncludingNoncontrollingInterestMember2023-06-300001126328us-gaap:AociLiabilityForFuturePolicyBenefitIncludingNoncontrollingInterestMember2023-06-300001126328us-gaap:AccumulatedTranslationAdjustmentMember2023-06-300001126328us-gaap:AccumulatedOtherComprehensiveIncomeMember2023-06-300001126328us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2023-06-300001126328us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2023-06-300001126328us-gaap:AociMarketRiskBenefitInstrumentSpecificCreditRiskIncludingNoncontrollingInterestMember2023-03-310001126328us-gaap:AociLiabilityForFuturePolicyBenefitIncludingNoncontrollingInterestMember2023-03-310001126328us-gaap:AccumulatedTranslationAdjustmentMember2023-03-310001126328us-gaap:AccumulatedOtherComprehensiveIncomeMember2023-03-310001126328us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember2023-03-310001126328us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2023-03-310001126328us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2023-03-310001126328us-gaap:AociMarketRiskBenefitInstrumentSpecificCreditRiskIncludingNoncontrollingInterestMember2022-12-310001126328us-gaap:AociLiabilityForFuturePolicyBenefitIncludingNoncontrollingInterestMember2022-12-310001126328us-gaap:AccumulatedTranslationAdjustmentMember2022-12-310001126328us-gaap:AccumulatedOtherComprehensiveIncomeMember2022-12-310001126328us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember2022-12-310001126328us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2022-12-310001126328us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2022-12-310001126328us-gaap:CommonStockMember2024-06-300001126328us-gaap:CommonStockMember2024-03-310001126328us-gaap:CommonStockMember2023-12-310001126328us-gaap:CommonStockMember2023-06-300001126328us-gaap:CommonStockMember2023-03-310001126328us-gaap:CommonStockMember2022-12-310001126328pfg:StockBasedCompensationPlans2021StockIncentivePlanMember2024-06-300001126328pfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2024-06-300001126328pfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2023-12-310001126328pfg:PensionMembersrt:LatinAmericaMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2022-12-310001126328pfg:GroupRetirementContractsProductMemberpfg:SegmentRetirementAndIncomeSolutionsMember2022-12-310001126328pfg:PensionMembersrt:LatinAmericaMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2024-06-300001126328pfg:GroupRetirementContractsProductMemberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328pfg:PensionMembersrt:LatinAmericaMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2023-12-310001126328pfg:GroupRetirementContractsProductMemberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:USTreasuryAndGovernmentMemberus-gaap:SeparateAccountDebtSecurityMember2024-06-300001126328us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:SeparateAccountDebtSecurityMember2024-06-300001126328us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:SeparateAccountDebtSecurityMember2024-06-300001126328us-gaap:OtherDebtSecuritiesMemberus-gaap:SeparateAccountDebtSecurityMember2024-06-300001126328us-gaap:ForeignGovernmentDebtSecuritiesMemberus-gaap:SeparateAccountDebtSecurityMember2024-06-300001126328us-gaap:CorporateDebtSecuritiesMemberus-gaap:SeparateAccountDebtSecurityMember2024-06-300001126328us-gaap:CommercialMortgageBackedSecuritiesMemberus-gaap:SeparateAccountDebtSecurityMember2024-06-300001126328us-gaap:SeparateAccountRealEstateMember2024-06-300001126328us-gaap:SeparateAccountEquitySecurityMember2024-06-300001126328us-gaap:SeparateAccountDebtSecurityMember2024-06-300001126328us-gaap:SeparateAccountCashAndCashEquivalentsMember2024-06-300001126328pfg:SeparateAccountOtherInvestmentsMember2024-06-300001126328pfg:SeparateAccountOtherAssetsMember2024-06-300001126328us-gaap:USTreasuryAndGovernmentMemberus-gaap:SeparateAccountDebtSecurityMember2023-12-310001126328us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:SeparateAccountDebtSecurityMember2023-12-310001126328us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:SeparateAccountDebtSecurityMember2023-12-310001126328us-gaap:OtherDebtSecuritiesMemberus-gaap:SeparateAccountDebtSecurityMember2023-12-310001126328us-gaap:ForeignGovernmentDebtSecuritiesMemberus-gaap:SeparateAccountDebtSecurityMember2023-12-310001126328us-gaap:CorporateDebtSecuritiesMemberus-gaap:SeparateAccountDebtSecurityMember2023-12-310001126328us-gaap:CommercialMortgageBackedSecuritiesMemberus-gaap:SeparateAccountDebtSecurityMember2023-12-310001126328us-gaap:SeparateAccountRealEstateMember2023-12-310001126328us-gaap:SeparateAccountEquitySecurityMember2023-12-310001126328us-gaap:SeparateAccountDebtSecurityMember2023-12-310001126328us-gaap:SeparateAccountCashAndCashEquivalentsMember2023-12-310001126328pfg:SeparateAccountOtherInvestmentsMember2023-12-310001126328pfg:SeparateAccountOtherAssetsMember2023-12-310001126328us-gaap:OperatingSegmentsMemberus-gaap:ManagementServiceMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2024-04-012024-06-300001126328us-gaap:OperatingSegmentsMemberus-gaap:ManagementServiceMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalGlobalInvestorsMember2024-04-012024-06-300001126328us-gaap:OperatingSegmentsMemberus-gaap:FinancialServiceOtherMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2024-04-012024-06-300001126328us-gaap:OperatingSegmentsMemberus-gaap:FinancialServiceOtherMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalGlobalInvestorsMember2024-04-012024-06-300001126328us-gaap:OperatingSegmentsMemberus-gaap:AdministrativeServiceMemberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentSpecialtyBenefitsMember2024-04-012024-06-300001126328us-gaap:OperatingSegmentsMemberus-gaap:AdministrativeServiceMemberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-04-012024-06-300001126328us-gaap:OperatingSegmentsMembersrt:LatinAmericaMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2024-04-012024-06-300001126328us-gaap:OperatingSegmentsMembersrt:AsiaMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2024-04-012024-06-300001126328us-gaap:OperatingSegmentsMemberpfg:SubsegmentGeographicalAreaEliminationsMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2024-04-012024-06-300001126328us-gaap:OperatingSegmentsMemberpfg:CommissionIncomeMemberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-04-012024-06-300001126328us-gaap:OperatingSegmentsMemberus-gaap:FinancialServiceOtherMemberpfg:SegmentCorporateMember2024-04-012024-06-300001126328us-gaap:OperatingSegmentsMemberus-gaap:DepositAccountMemberpfg:SegmentRetirementAndIncomeSolutionsMember2024-04-012024-06-300001126328us-gaap:OperatingSegmentsMemberus-gaap:AdministrativeServiceMemberpfg:SegmentRetirementAndIncomeSolutionsMember2024-04-012024-06-300001126328us-gaap:OperatingSegmentsMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalAssetManagementEliminationsMember2024-04-012024-06-300001126328us-gaap:OperatingSegmentsMemberpfg:ProductsAndServicesEliminationsMemberpfg:SegmentCorporateMember2024-04-012024-06-300001126328us-gaap:OperatingSegmentsMemberpfg:CommissionIncomeMemberpfg:SegmentRetirementAndIncomeSolutionsMember2024-04-012024-06-300001126328us-gaap:OperatingSegmentsMemberpfg:CommissionIncomeMemberpfg:SegmentCorporateMember2024-04-012024-06-300001126328us-gaap:OperatingSegmentsMemberus-gaap:ManagementServiceMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2024-01-012024-06-300001126328us-gaap:OperatingSegmentsMemberus-gaap:ManagementServiceMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalGlobalInvestorsMember2024-01-012024-06-300001126328us-gaap:OperatingSegmentsMemberus-gaap:FinancialServiceOtherMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2024-01-012024-06-300001126328us-gaap:OperatingSegmentsMemberus-gaap:FinancialServiceOtherMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalGlobalInvestorsMember2024-01-012024-06-300001126328us-gaap:OperatingSegmentsMemberus-gaap:AdministrativeServiceMemberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentSpecialtyBenefitsMember2024-01-012024-06-300001126328us-gaap:OperatingSegmentsMemberus-gaap:AdministrativeServiceMemberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-01-012024-06-300001126328us-gaap:OperatingSegmentsMembersrt:LatinAmericaMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2024-01-012024-06-300001126328us-gaap:OperatingSegmentsMembersrt:AsiaMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2024-01-012024-06-300001126328us-gaap:OperatingSegmentsMemberpfg:SubsegmentGeographicalAreaEliminationsMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2024-01-012024-06-300001126328us-gaap:OperatingSegmentsMemberpfg:CommissionIncomeMemberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-01-012024-06-300001126328us-gaap:OperatingSegmentsMemberus-gaap:FinancialServiceOtherMemberpfg:SegmentCorporateMember2024-01-012024-06-300001126328us-gaap:OperatingSegmentsMemberus-gaap:DepositAccountMemberpfg:SegmentRetirementAndIncomeSolutionsMember2024-01-012024-06-300001126328us-gaap:OperatingSegmentsMemberus-gaap:AdministrativeServiceMemberpfg:SegmentRetirementAndIncomeSolutionsMember2024-01-012024-06-300001126328us-gaap:OperatingSegmentsMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalAssetManagementEliminationsMember2024-01-012024-06-300001126328us-gaap:OperatingSegmentsMemberpfg:ProductsAndServicesEliminationsMemberpfg:SegmentCorporateMember2024-01-012024-06-300001126328us-gaap:OperatingSegmentsMemberpfg:CommissionIncomeMemberpfg:SegmentRetirementAndIncomeSolutionsMember2024-01-012024-06-300001126328us-gaap:OperatingSegmentsMemberpfg:CommissionIncomeMemberpfg:SegmentCorporateMember2024-01-012024-06-300001126328us-gaap:OperatingSegmentsMemberus-gaap:ManagementServiceMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2023-04-012023-06-300001126328us-gaap:OperatingSegmentsMemberus-gaap:ManagementServiceMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalGlobalInvestorsMember2023-04-012023-06-300001126328us-gaap:OperatingSegmentsMemberus-gaap:FinancialServiceOtherMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2023-04-012023-06-300001126328us-gaap:OperatingSegmentsMemberus-gaap:FinancialServiceOtherMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalGlobalInvestorsMember2023-04-012023-06-300001126328us-gaap:OperatingSegmentsMemberus-gaap:AdministrativeServiceMemberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentSpecialtyBenefitsMember2023-04-012023-06-300001126328us-gaap:OperatingSegmentsMemberus-gaap:AdministrativeServiceMemberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-04-012023-06-300001126328us-gaap:OperatingSegmentsMembersrt:LatinAmericaMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2023-04-012023-06-300001126328us-gaap:OperatingSegmentsMembersrt:AsiaMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2023-04-012023-06-300001126328us-gaap:OperatingSegmentsMemberpfg:SubsegmentGeographicalAreaEliminationsMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2023-04-012023-06-300001126328us-gaap:OperatingSegmentsMemberpfg:CommissionIncomeMemberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-04-012023-06-300001126328us-gaap:OperatingSegmentsMemberus-gaap:FinancialServiceOtherMemberpfg:SegmentRetirementAndIncomeSolutionsMember2023-04-012023-06-300001126328us-gaap:OperatingSegmentsMemberus-gaap:FinancialServiceOtherMemberpfg:SegmentCorporateMember2023-04-012023-06-300001126328us-gaap:OperatingSegmentsMemberus-gaap:DepositAccountMemberpfg:SegmentRetirementAndIncomeSolutionsMember2023-04-012023-06-300001126328us-gaap:OperatingSegmentsMemberus-gaap:AdministrativeServiceMemberpfg:SegmentRetirementAndIncomeSolutionsMember2023-04-012023-06-300001126328us-gaap:OperatingSegmentsMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalAssetManagementEliminationsMember2023-04-012023-06-300001126328us-gaap:OperatingSegmentsMemberpfg:ProductsAndServicesEliminationsMemberpfg:SegmentCorporateMember2023-04-012023-06-300001126328us-gaap:OperatingSegmentsMemberpfg:CommissionIncomeMemberpfg:SegmentRetirementAndIncomeSolutionsMember2023-04-012023-06-300001126328us-gaap:OperatingSegmentsMemberpfg:CommissionIncomeMemberpfg:SegmentCorporateMember2023-04-012023-06-300001126328us-gaap:OperatingSegmentsMemberus-gaap:ManagementServiceMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2023-01-012023-06-300001126328us-gaap:OperatingSegmentsMemberus-gaap:ManagementServiceMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalGlobalInvestorsMember2023-01-012023-06-300001126328us-gaap:OperatingSegmentsMemberus-gaap:FinancialServiceOtherMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2023-01-012023-06-300001126328us-gaap:OperatingSegmentsMemberus-gaap:FinancialServiceOtherMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalGlobalInvestorsMember2023-01-012023-06-300001126328us-gaap:OperatingSegmentsMemberus-gaap:AdministrativeServiceMemberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentSpecialtyBenefitsMember2023-01-012023-06-300001126328us-gaap:OperatingSegmentsMemberus-gaap:AdministrativeServiceMemberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-01-012023-06-300001126328us-gaap:OperatingSegmentsMembersrt:LatinAmericaMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2023-01-012023-06-300001126328us-gaap:OperatingSegmentsMembersrt:AsiaMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2023-01-012023-06-300001126328us-gaap:OperatingSegmentsMemberpfg:SubsegmentGeographicalAreaEliminationsMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2023-01-012023-06-300001126328us-gaap:OperatingSegmentsMemberpfg:CommissionIncomeMemberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-01-012023-06-300001126328us-gaap:OperatingSegmentsMemberus-gaap:FinancialServiceOtherMemberpfg:SegmentRetirementAndIncomeSolutionsMember2023-01-012023-06-300001126328us-gaap:OperatingSegmentsMemberus-gaap:FinancialServiceOtherMemberpfg:SegmentCorporateMember2023-01-012023-06-300001126328us-gaap:OperatingSegmentsMemberus-gaap:DepositAccountMemberpfg:SegmentRetirementAndIncomeSolutionsMember2023-01-012023-06-300001126328us-gaap:OperatingSegmentsMemberus-gaap:AdministrativeServiceMemberpfg:SegmentRetirementAndIncomeSolutionsMember2023-01-012023-06-300001126328us-gaap:OperatingSegmentsMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalAssetManagementEliminationsMember2023-01-012023-06-300001126328us-gaap:OperatingSegmentsMemberpfg:ProductsAndServicesEliminationsMemberpfg:SegmentCorporateMember2023-01-012023-06-300001126328us-gaap:OperatingSegmentsMemberpfg:CommissionIncomeMemberpfg:SegmentRetirementAndIncomeSolutionsMember2023-01-012023-06-300001126328us-gaap:OperatingSegmentsMemberpfg:CommissionIncomeMemberpfg:SegmentCorporateMember2023-01-012023-06-300001126328pfg:OperatingExpensesMemberus-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterestMember2024-04-012024-06-300001126328pfg:NetRealizedCapitalGainsLossesMemberus-gaap:AccumulatedNetInvestmentGainLossIncludingPortionAttributableToNoncontrollingInterestMember2024-04-012024-06-300001126328pfg:OperatingExpensesMemberus-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterestMember2024-01-012024-06-300001126328pfg:NetRealizedCapitalGainsLossesMemberus-gaap:AccumulatedNetInvestmentGainLossIncludingPortionAttributableToNoncontrollingInterestMember2024-01-012024-06-300001126328pfg:OperatingExpensesMemberus-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterestMember2023-04-012023-06-300001126328pfg:NetRealizedCapitalGainsLossesMemberus-gaap:AccumulatedNetInvestmentGainLossIncludingPortionAttributableToNoncontrollingInterestMember2023-04-012023-06-300001126328pfg:OperatingExpensesMemberus-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterestMember2023-01-012023-06-300001126328pfg:NetRealizedCapitalGainsLossesMemberus-gaap:AccumulatedNetInvestmentGainLossIncludingPortionAttributableToNoncontrollingInterestMember2023-01-012023-06-300001126328us-gaap:IntersegmentEliminationMemberpfg:SegmentCorporateMember2024-06-300001126328us-gaap:IntersegmentEliminationMemberpfg:SegmentCorporateMember2023-12-310001126328us-gaap:UniversalLifeMembersrt:MinimumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0401AndGreaterMemberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-06-300001126328us-gaap:UniversalLifeMembersrt:MinimumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0301To0400Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-06-300001126328us-gaap:UniversalLifeMembersrt:MinimumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-06-300001126328us-gaap:UniversalLifeMembersrt:MinimumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-06-300001126328us-gaap:UniversalLifeMembersrt:MaximumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeUpTo0100Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-06-300001126328us-gaap:UniversalLifeMembersrt:MaximumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0301To0400Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-06-300001126328us-gaap:UniversalLifeMembersrt:MaximumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-06-300001126328us-gaap:UniversalLifeMembersrt:MaximumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-06-300001126328us-gaap:VariableAnnuityMembersrt:MinimumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0401AndGreaterMemberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:VariableAnnuityMembersrt:MinimumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0301To0400Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:VariableAnnuityMembersrt:MinimumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:VariableAnnuityMembersrt:MinimumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:VariableAnnuityMembersrt:MaximumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeUpTo0100Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:VariableAnnuityMembersrt:MaximumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0301To0400Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:VariableAnnuityMembersrt:MaximumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:VariableAnnuityMembersrt:MaximumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:DeferredFixedAnnuityMembersrt:MinimumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0401AndGreaterMemberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:DeferredFixedAnnuityMembersrt:MinimumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0301To0400Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:DeferredFixedAnnuityMembersrt:MinimumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:DeferredFixedAnnuityMembersrt:MinimumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:DeferredFixedAnnuityMembersrt:MaximumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeUpTo0100Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:DeferredFixedAnnuityMembersrt:MaximumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0301To0400Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:DeferredFixedAnnuityMembersrt:MaximumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:DeferredFixedAnnuityMembersrt:MaximumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328pfg:WorkplaceSavingsAndRetirementSolutionsMembersrt:MinimumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0401AndGreaterMemberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328pfg:WorkplaceSavingsAndRetirementSolutionsMembersrt:MinimumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0301To0400Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328pfg:WorkplaceSavingsAndRetirementSolutionsMembersrt:MinimumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328pfg:WorkplaceSavingsAndRetirementSolutionsMembersrt:MinimumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328pfg:WorkplaceSavingsAndRetirementSolutionsMembersrt:MaximumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeUpTo0100Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328pfg:WorkplaceSavingsAndRetirementSolutionsMembersrt:MaximumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0301To0400Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328pfg:WorkplaceSavingsAndRetirementSolutionsMembersrt:MaximumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328pfg:WorkplaceSavingsAndRetirementSolutionsMembersrt:MaximumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:UniversalLifeMembersrt:MinimumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0401AndGreaterMemberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-12-310001126328us-gaap:UniversalLifeMembersrt:MinimumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0301To0400Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-12-310001126328us-gaap:UniversalLifeMembersrt:MinimumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-12-310001126328us-gaap:UniversalLifeMembersrt:MinimumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-12-310001126328us-gaap:UniversalLifeMembersrt:MaximumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeUpTo0100Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-12-310001126328us-gaap:UniversalLifeMembersrt:MaximumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0301To0400Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-12-310001126328us-gaap:UniversalLifeMembersrt:MaximumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-12-310001126328us-gaap:UniversalLifeMembersrt:MaximumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-12-310001126328us-gaap:VariableAnnuityMembersrt:MinimumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0401AndGreaterMemberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:VariableAnnuityMembersrt:MinimumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0301To0400Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:VariableAnnuityMembersrt:MinimumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:VariableAnnuityMembersrt:MinimumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:VariableAnnuityMembersrt:MaximumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeUpTo0100Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:VariableAnnuityMembersrt:MaximumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0301To0400Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:VariableAnnuityMembersrt:MaximumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:VariableAnnuityMembersrt:MaximumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:DeferredFixedAnnuityMembersrt:MinimumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0401AndGreaterMemberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:DeferredFixedAnnuityMembersrt:MinimumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0301To0400Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:DeferredFixedAnnuityMembersrt:MinimumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:DeferredFixedAnnuityMembersrt:MinimumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:DeferredFixedAnnuityMembersrt:MaximumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeUpTo0100Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:DeferredFixedAnnuityMembersrt:MaximumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0301To0400Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:DeferredFixedAnnuityMembersrt:MaximumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:DeferredFixedAnnuityMembersrt:MaximumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328pfg:WorkplaceSavingsAndRetirementSolutionsMembersrt:MinimumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0401AndGreaterMemberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328pfg:WorkplaceSavingsAndRetirementSolutionsMembersrt:MinimumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0301To0400Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328pfg:WorkplaceSavingsAndRetirementSolutionsMembersrt:MinimumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328pfg:WorkplaceSavingsAndRetirementSolutionsMembersrt:MinimumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328pfg:WorkplaceSavingsAndRetirementSolutionsMembersrt:MaximumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeUpTo0100Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328pfg:WorkplaceSavingsAndRetirementSolutionsMembersrt:MaximumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0301To0400Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328pfg:WorkplaceSavingsAndRetirementSolutionsMembersrt:MaximumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328pfg:WorkplaceSavingsAndRetirementSolutionsMembersrt:MaximumMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:ForeignExchangeContractMemberus-gaap:NetInvestmentHedgingMember2024-04-012024-06-300001126328us-gaap:NetInvestmentHedgingMember2024-04-012024-06-300001126328us-gaap:ForeignExchangeContractMemberus-gaap:NetInvestmentHedgingMember2024-01-012024-06-300001126328us-gaap:NetInvestmentHedgingMember2024-01-012024-06-300001126328us-gaap:ForeignExchangeContractMemberus-gaap:NetInvestmentHedgingMember2023-04-012023-06-300001126328us-gaap:NetInvestmentHedgingMember2023-04-012023-06-300001126328us-gaap:ForeignExchangeContractMemberus-gaap:NetInvestmentHedgingMember2023-01-012023-06-300001126328us-gaap:NetInvestmentHedgingMember2023-01-012023-06-300001126328us-gaap:InterestRateContractMemberpfg:InvestmentContractMember2024-04-012024-06-300001126328us-gaap:InterestRateContractMemberpfg:FixedMaturitiesSecuritiesAvailableForSaleMember2024-04-012024-06-300001126328us-gaap:ForeignExchangeContractMemberpfg:FixedMaturitiesSecuritiesAvailableForSaleMember2024-04-012024-06-300001126328us-gaap:InterestRateContractMemberpfg:InvestmentContractMember2024-01-012024-06-300001126328us-gaap:InterestRateContractMemberpfg:FixedMaturitiesSecuritiesAvailableForSaleMember2024-01-012024-06-300001126328us-gaap:ForeignExchangeContractMemberpfg:FixedMaturitiesSecuritiesAvailableForSaleMember2024-01-012024-06-300001126328us-gaap:InterestRateContractMemberpfg:InvestmentContractMember2023-04-012023-06-300001126328us-gaap:InterestRateContractMemberpfg:FixedMaturitiesSecuritiesAvailableForSaleMember2023-04-012023-06-300001126328us-gaap:ForeignExchangeContractMemberpfg:FixedMaturitiesSecuritiesAvailableForSaleMember2023-04-012023-06-300001126328us-gaap:InterestRateContractMemberpfg:InvestmentContractMember2023-01-012023-06-300001126328us-gaap:InterestRateContractMemberpfg:FixedMaturitiesSecuritiesAvailableForSaleMember2023-01-012023-06-300001126328us-gaap:ForeignExchangeContractMemberpfg:FixedMaturitiesSecuritiesAvailableForSaleMember2023-01-012023-06-300001126328us-gaap:AccumulatedForeignCurrencyAdjustmentIncludingPortionAttributableToNoncontrollingInterestMember2024-04-012024-06-300001126328us-gaap:AccumulatedForeignCurrencyAdjustmentIncludingPortionAttributableToNoncontrollingInterestMember2024-01-012024-06-300001126328us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterestMember2024-04-012024-06-300001126328us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterestMember2024-01-012024-06-300001126328us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterestMember2023-04-012023-06-300001126328us-gaap:AccumulatedForeignCurrencyAdjustmentIncludingPortionAttributableToNoncontrollingInterestMember2023-04-012023-06-300001126328us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterestMember2023-04-012023-06-300001126328us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterestMember2023-01-012023-06-300001126328us-gaap:AccumulatedForeignCurrencyAdjustmentIncludingPortionAttributableToNoncontrollingInterestMember2023-01-012023-06-300001126328us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterestMember2023-01-012023-06-300001126328us-gaap:AociMarketRiskBenefitInstrumentSpecificCreditRiskIncludingNoncontrollingInterestMember2024-04-012024-06-300001126328us-gaap:AociLiabilityForFuturePolicyBenefitIncludingNoncontrollingInterestMember2024-04-012024-06-300001126328us-gaap:AccumulatedTranslationAdjustmentMember2024-04-012024-06-300001126328us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember2024-04-012024-06-300001126328us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2024-04-012024-06-300001126328us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2024-04-012024-06-300001126328us-gaap:AociMarketRiskBenefitInstrumentSpecificCreditRiskIncludingNoncontrollingInterestMember2024-01-012024-06-300001126328us-gaap:AociLiabilityForFuturePolicyBenefitIncludingNoncontrollingInterestMember2024-01-012024-06-300001126328us-gaap:AccumulatedTranslationAdjustmentMember2024-01-012024-06-300001126328us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember2024-01-012024-06-300001126328us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2024-01-012024-06-300001126328us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2024-01-012024-06-300001126328us-gaap:AociMarketRiskBenefitInstrumentSpecificCreditRiskIncludingNoncontrollingInterestMember2023-04-012023-06-300001126328us-gaap:AociLiabilityForFuturePolicyBenefitIncludingNoncontrollingInterestMember2023-04-012023-06-300001126328us-gaap:AccumulatedTranslationAdjustmentMember2023-04-012023-06-300001126328us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember2023-04-012023-06-300001126328us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2023-04-012023-06-300001126328us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2023-04-012023-06-300001126328us-gaap:AociMarketRiskBenefitInstrumentSpecificCreditRiskIncludingNoncontrollingInterestMember2023-01-012023-06-300001126328us-gaap:AociLiabilityForFuturePolicyBenefitIncludingNoncontrollingInterestMember2023-01-012023-06-300001126328us-gaap:AccumulatedTranslationAdjustmentMember2023-01-012023-06-300001126328us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember2023-01-012023-06-300001126328us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2023-01-012023-06-300001126328us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2023-01-012023-06-300001126328us-gaap:AssetPledgedAsCollateralMemberus-gaap:FederalHomeLoanBankAdvancesMember2024-06-300001126328us-gaap:AssetPledgedAsCollateralMemberus-gaap:FederalHomeLoanBankAdvancesMember2023-12-310001126328us-gaap:VariableAnnuityMembersrt:WeightedAverageMemberus-gaap:MeasurementInputPriceVolatilityMemberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:VariableAnnuityMembersrt:WeightedAverageMemberus-gaap:MeasurementInputLapseRateMemberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:VariableAnnuityMembersrt:WeightedAverageMemberpfg:MeasurementInputNonPerformanceRiskMemberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:VariableAnnuityMembersrt:WeightedAverageMemberpfg:MeasurementInputLongDurationInterestRateMemberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:VariableAnnuityMembersrt:MinimumMemberus-gaap:MeasurementInputPriceVolatilityMemberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:VariableAnnuityMembersrt:MinimumMemberus-gaap:MeasurementInputLapseRateMemberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:VariableAnnuityMembersrt:MinimumMemberpfg:MeasurementInputNonPerformanceRiskMemberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:VariableAnnuityMembersrt:MinimumMemberpfg:MeasurementInputLongDurationInterestRateMemberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:VariableAnnuityMembersrt:MaximumMemberus-gaap:MeasurementInputPriceVolatilityMemberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:VariableAnnuityMembersrt:MaximumMemberus-gaap:MeasurementInputLapseRateMemberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:VariableAnnuityMembersrt:MaximumMemberpfg:MeasurementInputNonPerformanceRiskMemberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:VariableAnnuityMembersrt:MaximumMemberpfg:MeasurementInputLongDurationInterestRateMemberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328pfg:GuaranteedPensionMembersrt:WeightedAverageMembersrt:AsiaMemberus-gaap:MeasurementInputPriceVolatilityMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2023-12-310001126328pfg:GuaranteedPensionMembersrt:WeightedAverageMembersrt:AsiaMemberus-gaap:MeasurementInputLapseRateMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2023-12-310001126328pfg:GuaranteedPensionMembersrt:WeightedAverageMembersrt:AsiaMemberpfg:MeasurementInputNonPerformanceRiskMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2023-12-310001126328pfg:GuaranteedPensionMembersrt:WeightedAverageMembersrt:AsiaMemberpfg:MeasurementInputLongDurationInterestRateMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2023-12-310001126328pfg:GuaranteedPensionMembersrt:MinimumMembersrt:AsiaMemberus-gaap:MeasurementInputPriceVolatilityMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2023-12-310001126328pfg:GuaranteedPensionMembersrt:MinimumMembersrt:AsiaMemberus-gaap:MeasurementInputLapseRateMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2023-12-310001126328pfg:GuaranteedPensionMembersrt:MinimumMembersrt:AsiaMemberpfg:MeasurementInputNonPerformanceRiskMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2023-12-310001126328pfg:GuaranteedPensionMembersrt:MinimumMembersrt:AsiaMemberpfg:MeasurementInputLongDurationInterestRateMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2023-12-310001126328pfg:GuaranteedPensionMembersrt:MaximumMembersrt:AsiaMemberus-gaap:MeasurementInputPriceVolatilityMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2023-12-310001126328pfg:GuaranteedPensionMembersrt:MaximumMembersrt:AsiaMemberus-gaap:MeasurementInputLapseRateMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2023-12-310001126328pfg:GuaranteedPensionMembersrt:MaximumMembersrt:AsiaMemberpfg:MeasurementInputNonPerformanceRiskMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2023-12-310001126328pfg:GuaranteedPensionMembersrt:MaximumMembersrt:AsiaMemberpfg:MeasurementInputLongDurationInterestRateMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2023-12-310001126328us-gaap:VariableAnnuityMembersrt:WeightedAverageMemberus-gaap:MeasurementInputPriceVolatilityMemberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:VariableAnnuityMembersrt:WeightedAverageMemberus-gaap:MeasurementInputLapseRateMemberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:VariableAnnuityMembersrt:WeightedAverageMemberpfg:MeasurementInputNonPerformanceRiskMemberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:VariableAnnuityMembersrt:WeightedAverageMemberpfg:MeasurementInputLongDurationInterestRateMemberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:VariableAnnuityMembersrt:MinimumMemberus-gaap:MeasurementInputPriceVolatilityMemberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:VariableAnnuityMembersrt:MinimumMemberus-gaap:MeasurementInputLapseRateMemberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:VariableAnnuityMembersrt:MinimumMemberpfg:MeasurementInputNonPerformanceRiskMemberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:VariableAnnuityMembersrt:MinimumMemberpfg:MeasurementInputLongDurationInterestRateMemberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:VariableAnnuityMembersrt:MaximumMemberus-gaap:MeasurementInputPriceVolatilityMemberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:VariableAnnuityMembersrt:MaximumMemberus-gaap:MeasurementInputLapseRateMemberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:VariableAnnuityMembersrt:MaximumMemberpfg:MeasurementInputNonPerformanceRiskMemberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:VariableAnnuityMembersrt:MaximumMemberpfg:MeasurementInputLongDurationInterestRateMemberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:FixedAnnuityMembersrt:LatinAmericaMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2024-04-012024-06-300001126328us-gaap:UniversalLifeMemberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-04-012024-06-300001126328us-gaap:TermLifeInsuranceMemberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-04-012024-06-300001126328pfg:IndividualDisabilityMemberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentSpecialtyBenefitsMember2024-04-012024-06-300001126328us-gaap:FixedAnnuityMemberpfg:SegmentRetirementAndIncomeSolutionsMember2024-04-012024-06-300001126328pfg:PensionRiskTransferMemberpfg:SegmentRetirementAndIncomeSolutionsMember2024-04-012024-06-300001126328pfg:LongTermCareInsuranceMemberpfg:SegmentCorporateMember2024-04-012024-06-300001126328pfg:SegmentBenefitsAndProtectionMember2024-04-012024-06-300001126328us-gaap:FixedAnnuityMembersrt:LatinAmericaMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2023-04-012023-06-300001126328us-gaap:UniversalLifeMemberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-04-012023-06-300001126328us-gaap:TermLifeInsuranceMemberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-04-012023-06-300001126328pfg:IndividualDisabilityMemberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentSpecialtyBenefitsMember2023-04-012023-06-300001126328us-gaap:FixedAnnuityMemberpfg:SegmentRetirementAndIncomeSolutionsMember2023-04-012023-06-300001126328pfg:PensionRiskTransferMemberpfg:SegmentRetirementAndIncomeSolutionsMember2023-04-012023-06-300001126328pfg:LongTermCareInsuranceMemberpfg:SegmentCorporateMember2023-04-012023-06-300001126328pfg:SegmentBenefitsAndProtectionMember2023-04-012023-06-300001126328us-gaap:FixedAnnuityMembersrt:LatinAmericaMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2023-01-012023-06-300001126328us-gaap:UniversalLifeMemberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-01-012023-06-300001126328us-gaap:TermLifeInsuranceMemberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-01-012023-06-300001126328pfg:IndividualDisabilityMemberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentSpecialtyBenefitsMember2023-01-012023-06-300001126328us-gaap:FixedAnnuityMemberpfg:SegmentRetirementAndIncomeSolutionsMember2023-01-012023-06-300001126328pfg:PensionRiskTransferMemberpfg:SegmentRetirementAndIncomeSolutionsMember2023-01-012023-06-300001126328pfg:LongTermCareInsuranceMemberpfg:SegmentCorporateMember2023-01-012023-06-300001126328pfg:SegmentBenefitsAndProtectionMember2023-01-012023-06-300001126328us-gaap:RestrictedStockUnitsRSUMember2024-04-012024-06-300001126328us-gaap:PerformanceSharesMember2024-04-012024-06-300001126328us-gaap:EmployeeStockOptionMember2024-04-012024-06-300001126328us-gaap:EmployeeStockOptionMember2024-01-012024-06-300001126328us-gaap:RestrictedStockUnitsRSUMember2023-04-012023-06-300001126328us-gaap:PerformanceSharesMember2023-04-012023-06-300001126328us-gaap:EmployeeStockOptionMember2023-04-012023-06-300001126328us-gaap:RestrictedStockUnitsRSUMember2023-01-012023-06-300001126328us-gaap:PerformanceSharesMember2023-01-012023-06-300001126328us-gaap:EmployeeStockOptionMember2023-01-012023-06-300001126328pfg:GuaranteesToUnconsolidatedTrustsUnderContingentFundingAgreementsMember2024-06-300001126328pfg:GuaranteesToThirdPartiesPrimarilyRelatedToFormerSubsidiariesAndJointVenturesMember2024-06-300001126328us-gaap:ForeignExchangeContractMemberus-gaap:CashFlowHedgingMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember2023-01-012023-06-300001126328us-gaap:InterestRateContractMemberus-gaap:CashFlowHedgingMemberpfg:NetRealizedCapitalGainsLossesMember2024-04-012024-06-300001126328us-gaap:InterestRateContractMemberus-gaap:CashFlowHedgingMemberpfg:NetRealizedCapitalGainsLossesMember2024-01-012024-06-300001126328us-gaap:InterestRateContractMemberus-gaap:CashFlowHedgingMemberpfg:NetRealizedCapitalGainsLossesMember2023-04-012023-06-300001126328us-gaap:InterestRateContractMemberus-gaap:CashFlowHedgingMemberpfg:NetRealizedCapitalGainsLossesMember2023-01-012023-06-300001126328us-gaap:FairValueHedgingMemberpfg:NetRealizedCapitalGainsLossesMember2024-04-012024-06-300001126328us-gaap:FairValueHedgingMemberpfg:NetInvestmentIncomeLossMember2024-04-012024-06-300001126328us-gaap:FairValueHedgingMemberpfg:BenefitsClaimsAndSettlementExpensesMember2024-04-012024-06-300001126328us-gaap:CashFlowHedgingMemberpfg:NetRealizedCapitalGainsLossesMember2024-04-012024-06-300001126328us-gaap:CashFlowHedgingMemberpfg:NetInvestmentIncomeLossMember2024-04-012024-06-300001126328us-gaap:CashFlowHedgingMemberpfg:BenefitsClaimsAndSettlementExpensesMember2024-04-012024-06-300001126328us-gaap:FairValueHedgingMemberpfg:NetRealizedCapitalGainsLossesMember2024-01-012024-06-300001126328us-gaap:FairValueHedgingMemberpfg:NetInvestmentIncomeLossMember2024-01-012024-06-300001126328us-gaap:FairValueHedgingMemberpfg:BenefitsClaimsAndSettlementExpensesMember2024-01-012024-06-300001126328us-gaap:CashFlowHedgingMemberpfg:NetRealizedCapitalGainsLossesMember2024-01-012024-06-300001126328us-gaap:CashFlowHedgingMemberpfg:NetInvestmentIncomeLossMember2024-01-012024-06-300001126328us-gaap:CashFlowHedgingMemberpfg:BenefitsClaimsAndSettlementExpensesMember2024-01-012024-06-300001126328us-gaap:FairValueHedgingMemberpfg:NetInvestmentIncomeLossMember2023-04-012023-06-300001126328us-gaap:FairValueHedgingMemberpfg:BenefitsClaimsAndSettlementExpensesMember2023-04-012023-06-300001126328us-gaap:CashFlowHedgingMemberpfg:NetRealizedCapitalGainsLossesMember2023-04-012023-06-300001126328us-gaap:CashFlowHedgingMemberpfg:NetInvestmentIncomeLossMember2023-04-012023-06-300001126328us-gaap:CashFlowHedgingMemberpfg:BenefitsClaimsAndSettlementExpensesMember2023-04-012023-06-300001126328us-gaap:FairValueHedgingMemberpfg:NetInvestmentIncomeLossMember2023-01-012023-06-300001126328us-gaap:FairValueHedgingMemberpfg:BenefitsClaimsAndSettlementExpensesMember2023-01-012023-06-300001126328us-gaap:CashFlowHedgingMemberpfg:NetRealizedCapitalGainsLossesMember2023-01-012023-06-300001126328us-gaap:CashFlowHedgingMemberpfg:NetInvestmentIncomeLossMember2023-01-012023-06-300001126328us-gaap:CashFlowHedgingMemberpfg:BenefitsClaimsAndSettlementExpensesMember2023-01-012023-06-300001126328us-gaap:OtherInvestmentsMember2024-06-300001126328us-gaap:EquitySecuritiesMember2024-06-300001126328pfg:MortgageLoansMember2024-06-300001126328pfg:FixedMaturitiesTradingMember2024-06-300001126328pfg:FixedMaturitiesSecuritiesAvailableForSaleMember2024-06-300001126328pfg:AssetsCashAndCashEquivalentsMember2024-06-300001126328pfg:AccruedInterestIncomeReceivableMember2024-06-300001126328us-gaap:OtherInvestmentsMember2023-12-310001126328us-gaap:EquitySecuritiesMember2023-12-310001126328pfg:MortgageLoansMember2023-12-310001126328pfg:FixedMaturitiesTradingMember2023-12-310001126328pfg:FixedMaturitiesSecuritiesAvailableForSaleMember2023-12-310001126328pfg:AssetsCashAndCashEquivalentsMember2023-12-310001126328pfg:AccruedInterestIncomeReceivableMember2023-12-310001126328pfg:ReinsuranceRecoverablesMember2024-04-012024-06-300001126328pfg:ReinsuranceRecoverablesMember2024-01-012024-06-300001126328pfg:ReinsuranceRecoverablesMember2023-04-012023-06-300001126328us-gaap:ResidentialMortgageMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2024-06-300001126328us-gaap:ResidentialMortgageMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2024-06-300001126328us-gaap:ResidentialMortgageMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2024-06-300001126328us-gaap:ResidentialMortgageMemberus-gaap:FinancialAssetPastDueMember2024-06-300001126328us-gaap:ResidentialMortgageMemberus-gaap:FinancialAssetNotPastDueMember2024-06-300001126328us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2024-06-300001126328us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2024-06-300001126328us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2024-06-300001126328us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancialAssetPastDueMember2024-06-300001126328us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancialAssetNotPastDueMember2024-06-300001126328us-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2024-06-300001126328us-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2024-06-300001126328us-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2024-06-300001126328us-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:FinancialAssetPastDueMember2024-06-300001126328us-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:FinancialAssetNotPastDueMember2024-06-300001126328pfg:PerformingMemberus-gaap:ConsumerPortfolioSegmentMember2024-06-300001126328us-gaap:ResidentialMortgageMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-12-310001126328us-gaap:ResidentialMortgageMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-12-310001126328us-gaap:ResidentialMortgageMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2023-12-310001126328us-gaap:ResidentialMortgageMemberus-gaap:FinancialAssetPastDueMember2023-12-310001126328us-gaap:ResidentialMortgageMemberus-gaap:FinancialAssetNotPastDueMember2023-12-310001126328us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-12-310001126328us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-12-310001126328us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2023-12-310001126328us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancialAssetPastDueMember2023-12-310001126328us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancialAssetNotPastDueMember2023-12-310001126328us-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-12-310001126328us-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-12-310001126328us-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2023-12-310001126328us-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:FinancialAssetPastDueMember2023-12-310001126328us-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:FinancialAssetNotPastDueMember2023-12-310001126328pfg:PerformingMemberus-gaap:ConsumerPortfolioSegmentMember2023-12-310001126328pfg:NonperformingMemberus-gaap:ConsumerPortfolioSegmentMember2023-12-310001126328us-gaap:ConsumerPortfolioSegmentMember2023-12-310001126328us-gaap:ResidentialMortgageMember2023-04-012023-06-300001126328us-gaap:CommercialRealEstatePortfolioSegmentMember2024-04-012024-06-300001126328us-gaap:CommercialRealEstatePortfolioSegmentMember2023-04-012023-06-300001126328us-gaap:ResidentialMortgageMember2023-01-012023-06-300001126328us-gaap:CommercialRealEstatePortfolioSegmentMember2023-01-012023-06-300001126328pfg:ReinsuranceRecoverablesMember2024-06-300001126328us-gaap:ResidentialMortgageMember2024-03-310001126328us-gaap:CommercialRealEstatePortfolioSegmentMember2024-03-310001126328pfg:ReinsuranceRecoverablesMember2024-03-310001126328pfg:ReinsuranceRecoverablesMember2023-12-310001126328us-gaap:ResidentialMortgageMember2023-06-300001126328us-gaap:CommercialRealEstatePortfolioSegmentMember2023-06-300001126328pfg:ReinsuranceRecoverablesMember2023-06-300001126328us-gaap:ResidentialMortgageMember2023-03-310001126328us-gaap:CommercialRealEstatePortfolioSegmentMember2023-03-310001126328pfg:ReinsuranceRecoverablesMember2023-03-310001126328pfg:ReinsuranceRecoverablesMember2022-12-310001126328us-gaap:AssetPledgedAsCollateralWithRightMember2024-06-300001126328us-gaap:AssetPledgedAsCollateralWithRightMember2023-12-310001126328us-gaap:FairValueMeasurementsRecurringMember2024-03-310001126328us-gaap:FairValueMeasurementsRecurringMember2023-06-300001126328us-gaap:FairValueMeasurementsRecurringMember2023-03-310001126328us-gaap:FairValueMeasurementsRecurringMember2022-12-310001126328pfg:InvestmentAndUniversalLifeContractsMemberus-gaap:FairValueMeasurementsRecurringMember2024-06-300001126328pfg:FundsWithheldPayableEmbeddedDerivativeMemberus-gaap:FairValueMeasurementsRecurringMember2024-06-300001126328pfg:InvestmentAndUniversalLifeContractsMemberus-gaap:FairValueMeasurementsRecurringMember2024-03-310001126328pfg:FundsWithheldPayableEmbeddedDerivativeMemberus-gaap:FairValueMeasurementsRecurringMember2024-03-310001126328pfg:InvestmentAndUniversalLifeContractsMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310001126328pfg:FundsWithheldPayableEmbeddedDerivativeMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310001126328pfg:InvestmentAndUniversalLifeContractsMemberus-gaap:FairValueMeasurementsRecurringMember2023-06-300001126328pfg:FundsWithheldPayableEmbeddedDerivativeMemberus-gaap:FairValueMeasurementsRecurringMember2023-06-300001126328pfg:InvestmentAndUniversalLifeContractsMemberus-gaap:FairValueMeasurementsRecurringMember2023-03-310001126328pfg:FundsWithheldPayableEmbeddedDerivativeMemberus-gaap:FairValueMeasurementsRecurringMember2023-03-310001126328pfg:InvestmentAndUniversalLifeContractsMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001126328pfg:FundsWithheldPayableEmbeddedDerivativeMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001126328us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2024-06-300001126328us-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2024-06-300001126328us-gaap:DebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2024-06-300001126328us-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2024-06-300001126328us-gaap:CommercialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2024-06-300001126328us-gaap:CollateralizedDebtObligationsMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2024-06-300001126328us-gaap:FixedMaturitiesMemberus-gaap:FairValueMeasurementsRecurringMember2024-06-300001126328pfg:SeparateAccountAssetsMemberus-gaap:FairValueMeasurementsRecurringMember2024-06-300001126328pfg:InvestmentsOtherMemberus-gaap:FairValueMeasurementsRecurringMember2024-06-300001126328us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2024-03-310001126328us-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2024-03-310001126328us-gaap:DebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2024-03-310001126328us-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2024-03-310001126328us-gaap:CommercialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2024-03-310001126328us-gaap:CollateralizedDebtObligationsMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2024-03-310001126328us-gaap:FixedMaturitiesMemberus-gaap:FairValueMeasurementsRecurringMember2024-03-310001126328pfg:SeparateAccountAssetsMemberus-gaap:FairValueMeasurementsRecurringMember2024-03-310001126328pfg:InvestmentsOtherMemberus-gaap:FairValueMeasurementsRecurringMember2024-03-310001126328us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2023-12-310001126328us-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2023-12-310001126328us-gaap:DebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2023-12-310001126328us-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2023-12-310001126328us-gaap:CommercialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2023-12-310001126328us-gaap:CollateralizedDebtObligationsMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2023-12-310001126328us-gaap:FixedMaturitiesMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310001126328pfg:SeparateAccountAssetsMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310001126328pfg:InvestmentsOtherMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310001126328us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2023-06-300001126328us-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2023-06-300001126328us-gaap:DebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2023-06-300001126328us-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2023-06-300001126328us-gaap:CommercialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2023-06-300001126328us-gaap:CollateralizedDebtObligationsMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2023-06-300001126328us-gaap:FixedMaturitiesMemberus-gaap:FairValueMeasurementsRecurringMember2023-06-300001126328pfg:SeparateAccountAssetsMemberus-gaap:FairValueMeasurementsRecurringMember2023-06-300001126328pfg:InvestmentsOtherMemberus-gaap:FairValueMeasurementsRecurringMember2023-06-300001126328us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2023-03-310001126328us-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2023-03-310001126328us-gaap:DebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2023-03-310001126328us-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2023-03-310001126328us-gaap:CommercialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2023-03-310001126328us-gaap:CollateralizedDebtObligationsMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2023-03-310001126328us-gaap:FixedMaturitiesMemberus-gaap:FairValueMeasurementsRecurringMember2023-03-310001126328pfg:SeparateAccountAssetsMemberus-gaap:FairValueMeasurementsRecurringMember2023-03-310001126328pfg:InvestmentsOtherMemberus-gaap:FairValueMeasurementsRecurringMember2023-03-310001126328us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2022-12-310001126328us-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2022-12-310001126328us-gaap:DebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2022-12-310001126328us-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2022-12-310001126328us-gaap:CommercialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2022-12-310001126328us-gaap:CollateralizedDebtObligationsMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2022-12-310001126328us-gaap:FixedMaturitiesMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001126328pfg:SeparateAccountAssetsMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001126328pfg:InvestmentsOtherMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001126328us-gaap:CommercialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2024-04-012024-06-300001126328us-gaap:CommercialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2024-01-012024-06-300001126328us-gaap:CommercialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2023-01-012023-06-300001126328us-gaap:CommercialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2023-04-012023-06-300001126328us-gaap:FairValueMeasuredAtNetAssetValuePerShareMember2024-06-300001126328us-gaap:FairValueMeasuredAtNetAssetValuePerShareMember2023-12-310001126328us-gaap:RestrictedStockUnitsRSUMember2024-01-012024-06-300001126328us-gaap:RestrictedStockUnitsRSUMember2024-06-300001126328us-gaap:PerformanceSharesMember2024-06-300001126328us-gaap:FairValueInputsLevel3Memberpfg:InvestmentAndUniversalLifeContractsMemberus-gaap:FairValueMeasurementsRecurringMember2024-06-300001126328us-gaap:FairValueInputsLevel3Memberpfg:InvestmentAndUniversalLifeContractsMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310001126328srt:WeightedAverageMemberus-gaap:FairValueInputsLevel3Memberpfg:InvestmentAndUniversalLifeContractsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputPriceVolatilityMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001126328srt:WeightedAverageMemberus-gaap:FairValueInputsLevel3Memberpfg:InvestmentAndUniversalLifeContractsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputLapseRateMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001126328srt:WeightedAverageMemberus-gaap:FairValueInputsLevel3Memberpfg:InvestmentAndUniversalLifeContractsMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:MeasurementInputNonPerformanceRiskMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001126328srt:WeightedAverageMemberus-gaap:FairValueInputsLevel3Memberpfg:InvestmentAndUniversalLifeContractsMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:MeasurementInputLongDurationInterestRateMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001126328srt:MinimumMemberus-gaap:FairValueInputsLevel3Memberpfg:InvestmentAndUniversalLifeContractsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputPriceVolatilityMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001126328srt:MinimumMemberus-gaap:FairValueInputsLevel3Memberpfg:InvestmentAndUniversalLifeContractsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputLapseRateMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001126328srt:MinimumMemberus-gaap:FairValueInputsLevel3Memberpfg:InvestmentAndUniversalLifeContractsMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:MeasurementInputNonPerformanceRiskMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001126328srt:MinimumMemberus-gaap:FairValueInputsLevel3Memberpfg:InvestmentAndUniversalLifeContractsMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:MeasurementInputLongDurationInterestRateMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001126328srt:MaximumMemberus-gaap:FairValueInputsLevel3Memberpfg:InvestmentAndUniversalLifeContractsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputPriceVolatilityMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001126328srt:MaximumMemberus-gaap:FairValueInputsLevel3Memberpfg:InvestmentAndUniversalLifeContractsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputLapseRateMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001126328srt:MaximumMemberus-gaap:FairValueInputsLevel3Memberpfg:InvestmentAndUniversalLifeContractsMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:MeasurementInputNonPerformanceRiskMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001126328srt:MaximumMemberus-gaap:FairValueInputsLevel3Memberpfg:InvestmentAndUniversalLifeContractsMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:MeasurementInputLongDurationInterestRateMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001126328srt:WeightedAverageMemberus-gaap:FairValueInputsLevel3Memberpfg:InvestmentAndUniversalLifeContractsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputPriceVolatilityMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001126328srt:WeightedAverageMemberus-gaap:FairValueInputsLevel3Memberpfg:InvestmentAndUniversalLifeContractsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputLapseRateMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001126328srt:WeightedAverageMemberus-gaap:FairValueInputsLevel3Memberpfg:InvestmentAndUniversalLifeContractsMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:MeasurementInputNonPerformanceRiskMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001126328srt:WeightedAverageMemberus-gaap:FairValueInputsLevel3Memberpfg:InvestmentAndUniversalLifeContractsMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:MeasurementInputLongDurationInterestRateMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001126328srt:MinimumMemberus-gaap:FairValueInputsLevel3Memberpfg:InvestmentAndUniversalLifeContractsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputPriceVolatilityMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001126328srt:MinimumMemberus-gaap:FairValueInputsLevel3Memberpfg:InvestmentAndUniversalLifeContractsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputLapseRateMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001126328srt:MinimumMemberus-gaap:FairValueInputsLevel3Memberpfg:InvestmentAndUniversalLifeContractsMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:MeasurementInputNonPerformanceRiskMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001126328srt:MinimumMemberus-gaap:FairValueInputsLevel3Memberpfg:InvestmentAndUniversalLifeContractsMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:MeasurementInputLongDurationInterestRateMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001126328srt:MaximumMemberus-gaap:FairValueInputsLevel3Memberpfg:InvestmentAndUniversalLifeContractsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputPriceVolatilityMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001126328srt:MaximumMemberus-gaap:FairValueInputsLevel3Memberpfg:InvestmentAndUniversalLifeContractsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputLapseRateMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001126328srt:MaximumMemberus-gaap:FairValueInputsLevel3Memberpfg:InvestmentAndUniversalLifeContractsMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:MeasurementInputNonPerformanceRiskMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001126328srt:MaximumMemberus-gaap:FairValueInputsLevel3Memberpfg:InvestmentAndUniversalLifeContractsMemberus-gaap:FairValueMeasurementsRecurringMemberpfg:MeasurementInputLongDurationInterestRateMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001126328pfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2024-01-012024-06-300001126328pfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalGlobalInvestorsMember2024-01-012024-06-300001126328pfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentSpecialtyBenefitsMember2024-01-012024-06-300001126328pfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-01-012024-06-300001126328pfg:SegmentCorporateMember2024-01-012024-06-300001126328pfg:StandardPoorsBPlusAndBelowRatingMember2024-06-300001126328pfg:StandardPoorsBBPlusThruBBMinusRatingMember2024-06-300001126328pfg:StandardPoorsBBBPlusThruBBBMinusRatingMember2024-06-300001126328pfg:StandardPoorsAMinusAndAboveRatingMember2024-06-300001126328us-gaap:SingleStockFutureMember2024-06-300001126328us-gaap:EmbeddedDerivativeFinancialInstrumentsMember2024-06-300001126328pfg:InterestRateFutureMember2024-06-300001126328us-gaap:SingleStockFutureMember2023-12-310001126328us-gaap:EmbeddedDerivativeFinancialInstrumentsMember2023-12-310001126328pfg:InterestRateFutureMember2023-12-310001126328us-gaap:OtherContractMember2024-04-012024-06-300001126328us-gaap:InterestRateContractMember2024-04-012024-06-300001126328us-gaap:ForeignExchangeContractMember2024-04-012024-06-300001126328us-gaap:EquityContractMember2024-04-012024-06-300001126328us-gaap:CreditRiskContractMember2024-04-012024-06-300001126328us-gaap:OtherContractMember2024-01-012024-06-300001126328us-gaap:InterestRateContractMember2024-01-012024-06-300001126328us-gaap:ForeignExchangeContractMember2024-01-012024-06-300001126328us-gaap:EquityContractMember2024-01-012024-06-300001126328us-gaap:CreditRiskContractMember2024-01-012024-06-300001126328us-gaap:OtherContractMember2023-04-012023-06-300001126328us-gaap:InterestRateContractMember2023-04-012023-06-300001126328us-gaap:ForeignExchangeContractMember2023-04-012023-06-300001126328us-gaap:EquityContractMember2023-04-012023-06-300001126328us-gaap:CreditRiskContractMember2023-04-012023-06-300001126328us-gaap:OtherContractMember2023-01-012023-06-300001126328us-gaap:InterestRateContractMember2023-01-012023-06-300001126328us-gaap:ForeignExchangeContractMember2023-01-012023-06-300001126328us-gaap:EquityContractMember2023-01-012023-06-300001126328us-gaap:CreditRiskContractMember2023-01-012023-06-300001126328srt:MaximumMemberus-gaap:PensionPlansDefinedBenefitMember2024-06-300001126328us-gaap:PensionPlansDefinedBenefitMember2024-04-012024-06-300001126328us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember2024-04-012024-06-300001126328us-gaap:PensionPlansDefinedBenefitMember2024-01-012024-06-300001126328us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember2024-01-012024-06-300001126328us-gaap:PensionPlansDefinedBenefitMember2023-04-012023-06-300001126328us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember2023-04-012023-06-300001126328us-gaap:PensionPlansDefinedBenefitMember2023-01-012023-06-300001126328us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember2023-01-012023-06-300001126328pfg:InvestmentOnlyMemberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:OtherShortdurationInsuranceProductLineMember2024-06-300001126328pfg:InvestmentOnlyMemberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:OtherShortdurationInsuranceProductLineMember2023-12-310001126328us-gaap:ParticipatingLifeInsurancePolicyMemberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2022-12-310001126328us-gaap:DeferredFixedAnnuityMemberpfg:SegmentRetirementAndIncomeSolutionsMember2022-12-310001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberpfg:SegmentRetirementAndIncomeSolutionsMember2022-12-310001126328pfg:InvestmentOnlyMemberpfg:SegmentRetirementAndIncomeSolutionsMember2022-12-310001126328pfg:LongDurationAndShortDurationInsuranceMember2024-04-012024-06-300001126328us-gaap:ParticipatingLifeInsurancePolicyMemberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-01-012024-06-300001126328pfg:InvestmentOnlyMemberpfg:SegmentRetirementAndIncomeSolutionsMember2024-01-012024-06-300001126328pfg:LongDurationAndShortDurationInsuranceMember2024-01-012024-06-300001126328pfg:LongDurationAndShortDurationInsuranceMember2023-04-012023-06-300001126328us-gaap:ParticipatingLifeInsurancePolicyMemberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-01-012023-12-310001126328pfg:InvestmentOnlyMemberpfg:SegmentRetirementAndIncomeSolutionsMember2023-01-012023-12-310001126328pfg:LongDurationAndShortDurationInsuranceMember2023-01-012023-06-300001126328srt:WeightedAverageMemberus-gaap:DebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:TradingSecuritiesMemberus-gaap:MeasurementInputDiscountRateMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001126328srt:MinimumMemberus-gaap:DebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:TradingSecuritiesMemberus-gaap:MeasurementInputDiscountRateMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001126328srt:MaximumMemberus-gaap:DebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:TradingSecuritiesMemberus-gaap:MeasurementInputDiscountRateMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001126328srt:WeightedAverageMemberus-gaap:DebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:TradingSecuritiesMemberus-gaap:MeasurementInputDiscountRateMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001126328srt:MinimumMemberus-gaap:DebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:TradingSecuritiesMemberus-gaap:MeasurementInputDiscountRateMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001126328srt:MaximumMemberus-gaap:DebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:TradingSecuritiesMemberus-gaap:MeasurementInputDiscountRateMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001126328srt:WeightedAverageMemberus-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputDiscountRateMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001126328srt:WeightedAverageMemberus-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputDiscountForLackOfMarketabilityMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001126328srt:WeightedAverageMemberus-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputComparabilityAdjustmentMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001126328srt:WeightedAverageMemberus-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputEbitdaMultipleMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001126328srt:WeightedAverageMemberus-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputDiscountRateMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001126328srt:WeightedAverageMemberus-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputDiscountForLackOfMarketabilityMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001126328srt:WeightedAverageMemberus-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputComparabilityAdjustmentMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001126328srt:WeightedAverageMemberus-gaap:CollateralizedDebtObligationsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputDiscountRateMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001126328srt:WeightedAverageMemberus-gaap:CollateralizedDebtObligationsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputComparabilityAdjustmentMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001126328srt:MinimumMemberus-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputDiscountRateMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001126328srt:MinimumMemberus-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputDiscountForLackOfMarketabilityMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001126328srt:MinimumMemberus-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputComparabilityAdjustmentMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001126328srt:MinimumMemberus-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputDiscountRateMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001126328srt:MinimumMemberus-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputDiscountForLackOfMarketabilityMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001126328srt:MinimumMemberus-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputComparabilityAdjustmentMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001126328srt:MaximumMemberus-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputDiscountRateMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001126328srt:MaximumMemberus-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputDiscountForLackOfMarketabilityMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001126328srt:MaximumMemberus-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputComparabilityAdjustmentMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001126328srt:MaximumMemberus-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputDiscountRateMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001126328srt:MaximumMemberus-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputDiscountForLackOfMarketabilityMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001126328srt:MaximumMemberus-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputComparabilityAdjustmentMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001126328us-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputEbitdaMultipleMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001126328us-gaap:CollateralizedDebtObligationsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputDiscountRateMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001126328us-gaap:CollateralizedDebtObligationsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputComparabilityAdjustmentMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001126328srt:WeightedAverageMemberus-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputDiscountRateMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001126328srt:WeightedAverageMemberus-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputDiscountForLackOfMarketabilityMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001126328srt:WeightedAverageMemberus-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputComparabilityAdjustmentMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001126328srt:WeightedAverageMemberus-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputEbitdaMultipleMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001126328srt:WeightedAverageMemberus-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputDiscountRateMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001126328srt:WeightedAverageMemberus-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputDiscountForLackOfMarketabilityMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001126328srt:WeightedAverageMemberus-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputComparabilityAdjustmentMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001126328srt:WeightedAverageMemberus-gaap:CollateralizedDebtObligationsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputDiscountRateMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001126328srt:WeightedAverageMemberus-gaap:CollateralizedDebtObligationsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputComparabilityAdjustmentMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001126328srt:MinimumMemberus-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputDiscountRateMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001126328srt:MinimumMemberus-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputDiscountForLackOfMarketabilityMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001126328srt:MinimumMemberus-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputComparabilityAdjustmentMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001126328srt:MinimumMemberus-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputDiscountRateMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001126328srt:MinimumMemberus-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputDiscountForLackOfMarketabilityMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001126328srt:MinimumMemberus-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputComparabilityAdjustmentMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001126328srt:MaximumMemberus-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputDiscountRateMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001126328srt:MaximumMemberus-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputDiscountForLackOfMarketabilityMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001126328srt:MaximumMemberus-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputComparabilityAdjustmentMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001126328srt:MaximumMemberus-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputDiscountRateMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001126328srt:MaximumMemberus-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputDiscountForLackOfMarketabilityMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001126328srt:MaximumMemberus-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputComparabilityAdjustmentMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001126328us-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputEbitdaMultipleMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001126328us-gaap:CollateralizedDebtObligationsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputDiscountRateMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001126328us-gaap:CollateralizedDebtObligationsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMemberus-gaap:MeasurementInputComparabilityAdjustmentMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001126328us-gaap:CorporateDebtSecuritiesMember2023-04-012023-06-300001126328us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USStatesAndPoliticalSubdivisionsMember2024-06-300001126328us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:OtherDebtSecuritiesMember2024-06-300001126328us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CorporateDebtSecuritiesMember2024-06-300001126328us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CommercialMortgageBackedSecuritiesMember2024-06-300001126328us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CollateralizedDebtObligationsMember2024-06-300001126328us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USTreasuryAndGovernmentMember2024-06-300001126328us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USStatesAndPoliticalSubdivisionsMember2024-06-300001126328us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:ResidentialMortgageBackedSecuritiesMember2024-06-300001126328us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:OtherDebtSecuritiesMember2024-06-300001126328us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:ForeignGovernmentDebtSecuritiesMember2024-06-300001126328us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CorporateDebtSecuritiesMember2024-06-300001126328us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CommercialMortgageBackedSecuritiesMember2024-06-300001126328us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CollateralizedDebtObligationsMember2024-06-300001126328us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USTreasuryAndGovernmentMember2024-06-300001126328us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CorporateDebtSecuritiesMember2024-06-300001126328us-gaap:FairValueMeasurementsRecurringMemberus-gaap:USTreasuryAndGovernmentMember2024-06-300001126328us-gaap:FairValueMeasurementsRecurringMemberus-gaap:USStatesAndPoliticalSubdivisionsMember2024-06-300001126328us-gaap:FairValueMeasurementsRecurringMemberus-gaap:ResidentialMortgageBackedSecuritiesMember2024-06-300001126328us-gaap:FairValueMeasurementsRecurringMemberus-gaap:OtherDebtSecuritiesMember2024-06-300001126328us-gaap:FairValueMeasurementsRecurringMemberus-gaap:ForeignGovernmentDebtSecuritiesMember2024-06-300001126328us-gaap:FairValueMeasurementsRecurringMemberus-gaap:CorporateDebtSecuritiesMember2024-06-300001126328us-gaap:FairValueMeasurementsRecurringMemberus-gaap:CommercialMortgageBackedSecuritiesMember2024-06-300001126328us-gaap:FairValueMeasurementsRecurringMemberus-gaap:CollateralizedDebtObligationsMember2024-06-300001126328us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USStatesAndPoliticalSubdivisionsMember2023-12-310001126328us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:OtherDebtSecuritiesMember2023-12-310001126328us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CorporateDebtSecuritiesMember2023-12-310001126328us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CommercialMortgageBackedSecuritiesMember2023-12-310001126328us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CollateralizedDebtObligationsMember2023-12-310001126328us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USTreasuryAndGovernmentMember2023-12-310001126328us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USStatesAndPoliticalSubdivisionsMember2023-12-310001126328us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:ResidentialMortgageBackedSecuritiesMember2023-12-310001126328us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:OtherDebtSecuritiesMember2023-12-310001126328us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:ForeignGovernmentDebtSecuritiesMember2023-12-310001126328us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CorporateDebtSecuritiesMember2023-12-310001126328us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CommercialMortgageBackedSecuritiesMember2023-12-310001126328us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CollateralizedDebtObligationsMember2023-12-310001126328us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USTreasuryAndGovernmentMember2023-12-310001126328us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:ForeignGovernmentDebtSecuritiesMember2023-12-310001126328us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CorporateDebtSecuritiesMember2023-12-310001126328us-gaap:FairValueMeasurementsRecurringMemberus-gaap:USTreasuryAndGovernmentMember2023-12-310001126328us-gaap:FairValueMeasurementsRecurringMemberus-gaap:USStatesAndPoliticalSubdivisionsMember2023-12-310001126328us-gaap:FairValueMeasurementsRecurringMemberus-gaap:ResidentialMortgageBackedSecuritiesMember2023-12-310001126328us-gaap:FairValueMeasurementsRecurringMemberus-gaap:OtherDebtSecuritiesMember2023-12-310001126328us-gaap:FairValueMeasurementsRecurringMemberus-gaap:ForeignGovernmentDebtSecuritiesMember2023-12-310001126328us-gaap:FairValueMeasurementsRecurringMemberus-gaap:CorporateDebtSecuritiesMember2023-12-310001126328us-gaap:FairValueMeasurementsRecurringMemberus-gaap:CommercialMortgageBackedSecuritiesMember2023-12-310001126328us-gaap:FairValueMeasurementsRecurringMemberus-gaap:CollateralizedDebtObligationsMember2023-12-310001126328us-gaap:OtherDebtSecuritiesMember2024-03-310001126328us-gaap:CorporateDebtSecuritiesMember2024-03-310001126328us-gaap:OtherDebtSecuritiesMember2023-06-300001126328us-gaap:CorporateDebtSecuritiesMember2023-06-300001126328us-gaap:OtherDebtSecuritiesMember2023-03-310001126328us-gaap:CorporateDebtSecuritiesMember2023-03-310001126328us-gaap:OtherDebtSecuritiesMember2022-12-310001126328us-gaap:CorporateDebtSecuritiesMember2022-12-310001126328us-gaap:ForeignExchangeContractMemberus-gaap:FairValueHedgingMemberpfg:NetRealizedCapitalGainsLossesMember2024-04-012024-06-300001126328us-gaap:ForeignExchangeContractMemberus-gaap:FairValueHedgingMemberpfg:NetRealizedCapitalGainsLossesMember2024-01-012024-06-300001126328us-gaap:ForeignExchangeContractMemberus-gaap:FairValueHedgingMemberpfg:NetRealizedCapitalGainsLossesMember2023-04-012023-06-300001126328us-gaap:ForeignExchangeContractMemberus-gaap:FairValueHedgingMemberpfg:NetRealizedCapitalGainsLossesMember2023-01-012023-06-300001126328us-gaap:USTreasuryAndGovernmentMember2024-06-300001126328us-gaap:USStatesAndPoliticalSubdivisionsMember2024-06-300001126328us-gaap:ResidentialMortgageBackedSecuritiesMember2024-06-300001126328us-gaap:OtherDebtSecuritiesMember2024-06-300001126328us-gaap:ForeignGovernmentDebtSecuritiesMember2024-06-300001126328us-gaap:CorporateDebtSecuritiesMember2024-06-300001126328us-gaap:CommercialMortgageBackedSecuritiesMember2024-06-300001126328us-gaap:CollateralizedDebtObligationsMember2024-06-300001126328us-gaap:USTreasuryAndGovernmentMember2023-12-310001126328us-gaap:USStatesAndPoliticalSubdivisionsMember2023-12-310001126328us-gaap:ResidentialMortgageBackedSecuritiesMember2023-12-310001126328us-gaap:OtherDebtSecuritiesMember2023-12-310001126328us-gaap:ForeignGovernmentDebtSecuritiesMember2023-12-310001126328us-gaap:CorporateDebtSecuritiesMember2023-12-310001126328us-gaap:CommercialMortgageBackedSecuritiesMember2023-12-310001126328us-gaap:CollateralizedDebtObligationsMember2023-12-310001126328us-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2024-06-300001126328us-gaap:DebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:TradingSecuritiesMember2024-06-300001126328us-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2024-06-300001126328us-gaap:CollateralizedDebtObligationsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2024-06-300001126328pfg:SeparateAccountAssetsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMember2024-06-300001126328pfg:InvestmentsOtherMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMember2024-06-300001126328us-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2023-12-310001126328us-gaap:DebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:TradingSecuritiesMember2023-12-310001126328us-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2023-12-310001126328us-gaap:CollateralizedDebtObligationsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:AvailableForSaleSecurityMember2023-12-310001126328pfg:SeparateAccountAssetsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMember2023-12-310001126328pfg:InvestmentsOtherMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMember2023-12-310001126328us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMemberpfg:TradingSecuritiesMemberus-gaap:ResidentialMortgageBackedSecuritiesMember2024-06-300001126328us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMemberpfg:TradingSecuritiesMemberus-gaap:OtherDebtSecuritiesMember2024-06-300001126328us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMemberpfg:TradingSecuritiesMemberus-gaap:CommercialMortgageBackedSecuritiesMember2024-06-300001126328us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMemberpfg:TradingSecuritiesMemberus-gaap:CollateralizedDebtObligationsMember2024-06-300001126328us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMemberpfg:AvailableForSaleSecurityMemberus-gaap:ResidentialMortgageBackedSecuritiesMember2024-06-300001126328us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMemberpfg:AvailableForSaleSecurityMemberus-gaap:OtherDebtSecuritiesMember2024-06-300001126328us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMemberpfg:AvailableForSaleSecurityMemberus-gaap:CorporateDebtSecuritiesMember2024-06-300001126328us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMemberpfg:AvailableForSaleSecurityMemberus-gaap:CommercialMortgageBackedSecuritiesMember2024-06-300001126328us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMemberpfg:AvailableForSaleSecurityMemberus-gaap:CollateralizedDebtObligationsMember2024-06-300001126328us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMemberus-gaap:EquitySecuritiesMember2024-06-300001126328us-gaap:VariableInterestEntityPrimaryBeneficiaryMember2024-06-300001126328pfg:VariableInterestEntityPrimaryBeneficiarySponsoredInvestmentFundsMember2024-06-300001126328pfg:VariableInterestEntityPrimaryBeneficiaryResidentialMortgageLoansMember2024-06-300001126328pfg:VariableInterestEntityPrimaryBeneficiaryRealEstateMember2024-06-300001126328pfg:VariableInterestEntityPrimaryBeneficiaryMandatoryRetirementSavingsMember2024-06-300001126328pfg:VariableInterestEntityPrimaryBeneficiaryAssetBackedLimitedPartnershipMember2024-06-300001126328pfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328pfg:SegmentPrincipalAssetManagementMember2024-06-300001126328pfg:SegmentCorporateMember2024-06-300001126328us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMemberpfg:TradingSecuritiesMemberus-gaap:ResidentialMortgageBackedSecuritiesMember2023-12-310001126328us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMemberpfg:TradingSecuritiesMemberus-gaap:OtherDebtSecuritiesMember2023-12-310001126328us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMemberpfg:TradingSecuritiesMemberus-gaap:CommercialMortgageBackedSecuritiesMember2023-12-310001126328us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMemberpfg:TradingSecuritiesMemberus-gaap:CollateralizedDebtObligationsMember2023-12-310001126328us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMemberpfg:AvailableForSaleSecurityMemberus-gaap:ResidentialMortgageBackedSecuritiesMember2023-12-310001126328us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMemberpfg:AvailableForSaleSecurityMemberus-gaap:OtherDebtSecuritiesMember2023-12-310001126328us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMemberpfg:AvailableForSaleSecurityMemberus-gaap:CorporateDebtSecuritiesMember2023-12-310001126328us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMemberpfg:AvailableForSaleSecurityMemberus-gaap:CommercialMortgageBackedSecuritiesMember2023-12-310001126328us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMemberpfg:AvailableForSaleSecurityMemberus-gaap:CollateralizedDebtObligationsMember2023-12-310001126328us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMemberus-gaap:EquitySecuritiesMember2023-12-310001126328us-gaap:VariableInterestEntityPrimaryBeneficiaryMember2023-12-310001126328pfg:VariableInterestEntityPrimaryBeneficiarySponsoredInvestmentFundsMember2023-12-310001126328pfg:VariableInterestEntityPrimaryBeneficiaryResidentialMortgageLoansMember2023-12-310001126328pfg:VariableInterestEntityPrimaryBeneficiaryRealEstateMember2023-12-310001126328pfg:VariableInterestEntityPrimaryBeneficiaryMandatoryRetirementSavingsMember2023-12-310001126328pfg:VariableInterestEntityPrimaryBeneficiaryAssetBackedLimitedPartnershipMember2023-12-310001126328pfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328pfg:SegmentPrincipalAssetManagementMember2023-12-310001126328pfg:SegmentCorporateMember2023-12-310001126328pfg:GuaranteedPensionMembersrt:AsiaMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2023-12-310001126328pfg:GuaranteedPensionMembersrt:AsiaMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2022-12-310001126328us-gaap:VariableAnnuityMemberpfg:SegmentRetirementAndIncomeSolutionsMember2022-12-310001126328us-gaap:FixedAnnuityMembersrt:LatinAmericaMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2024-06-300001126328pfg:PensionRiskTransferMemberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:FixedAnnuityMembersrt:LatinAmericaMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2023-12-310001126328pfg:PensionRiskTransferMemberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:FixedAnnuityMembersrt:LatinAmericaMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2022-12-310001126328us-gaap:TermLifeInsuranceMemberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2022-12-310001126328pfg:IndividualDisabilityMemberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentSpecialtyBenefitsMember2022-12-310001126328us-gaap:FixedAnnuityMemberpfg:SegmentRetirementAndIncomeSolutionsMember2022-12-310001126328pfg:PensionRiskTransferMemberpfg:SegmentRetirementAndIncomeSolutionsMember2022-12-310001126328pfg:LongTermCareInsuranceMemberpfg:SegmentCorporateMember2022-12-310001126328us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMemberpfg:OtherLimitedPartnershipAndFundInterestsMember2024-06-300001126328us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMemberpfg:OtherLimitedPartnershipAndFundInterestsMember2023-12-310001126328pfg:SegmentBenefitsAndProtectionMember2024-01-012024-06-300001126328us-gaap:OtherLongdurationInsuranceProductLineMember2024-06-300001126328us-gaap:OtherLongdurationInsuranceProductLineMember2023-12-310001126328us-gaap:UniversalLifeMemberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2022-12-310001126328us-gaap:CommonStockMember2024-02-012024-02-290001126328us-gaap:CommonStockMember2022-01-012022-01-310001126328us-gaap:RetainedEarningsMember2024-04-012024-06-300001126328us-gaap:RetainedEarningsMember2024-01-012024-06-300001126328us-gaap:RetainedEarningsMember2023-04-012023-06-300001126328us-gaap:RetainedEarningsMember2023-01-012023-06-300001126328pfg:StockBasedCompensationPlansMember2024-01-012024-06-300001126328pfg:StockBasedCompensationPlansMember2023-01-012023-06-300001126328pfg:StockBasedCompensationDirectorsStockPlanStockIncentivePlanAmendedAndRestatedStockIncentivePlanDirectorsStockPlanMember2024-06-300001126328us-gaap:PerformanceSharesMember2024-01-012024-06-300001126328pfg:GroupRetirementContractsProductMemberpfg:SegmentRetirementAndIncomeSolutionsMember2024-01-012024-06-300001126328pfg:GroupRetirementContractsProductMemberpfg:SegmentRetirementAndIncomeSolutionsMember2023-01-012023-12-310001126328pfg:PensionMembersrt:LatinAmericaMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2024-01-012024-06-300001126328pfg:PensionMembersrt:LatinAmericaMemberpfg:SegmentPrincipalAssetManagementMemberpfg:SubsegmentPrincipalInternationalMember2023-01-012023-12-310001126328srt:WeightedAverageMemberpfg:SeparateAccountAssetsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputLongTermRevenueGrowthRateMemberpfg:DiscountedCashFlowRealEstateMember2024-06-300001126328srt:WeightedAverageMemberpfg:SeparateAccountAssetsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputDiscountRateMemberpfg:DiscountedCashFlowRealEstateMember2024-06-300001126328srt:WeightedAverageMemberpfg:SeparateAccountAssetsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:MeasurementInputTerminalCapitalizationRateMemberpfg:DiscountedCashFlowRealEstateMember2024-06-300001126328srt:WeightedAverageMemberpfg:SeparateAccountAssetsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:MeasurementInputMarketInterestRateMemberpfg:DiscountedCashFlowRealEstateDebtMember2024-06-300001126328srt:WeightedAverageMemberpfg:SeparateAccountAssetsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:MeasurementInputLoanToValueRatioMemberpfg:DiscountedCashFlowRealEstateDebtMember2024-06-300001126328srt:MinimumMemberpfg:SeparateAccountAssetsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputLongTermRevenueGrowthRateMemberpfg:DiscountedCashFlowRealEstateMember2024-06-300001126328srt:MinimumMemberpfg:SeparateAccountAssetsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputDiscountRateMemberpfg:DiscountedCashFlowRealEstateMember2024-06-300001126328srt:MinimumMemberpfg:SeparateAccountAssetsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:MeasurementInputTerminalCapitalizationRateMemberpfg:DiscountedCashFlowRealEstateMember2024-06-300001126328srt:MinimumMemberpfg:SeparateAccountAssetsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:MeasurementInputMarketInterestRateMemberpfg:DiscountedCashFlowRealEstateDebtMember2024-06-300001126328srt:MinimumMemberpfg:SeparateAccountAssetsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:MeasurementInputLoanToValueRatioMemberpfg:DiscountedCashFlowRealEstateDebtMember2024-06-300001126328srt:MaximumMemberpfg:SeparateAccountAssetsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputLongTermRevenueGrowthRateMemberpfg:DiscountedCashFlowRealEstateMember2024-06-300001126328srt:MaximumMemberpfg:SeparateAccountAssetsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputDiscountRateMemberpfg:DiscountedCashFlowRealEstateMember2024-06-300001126328srt:MaximumMemberpfg:SeparateAccountAssetsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:MeasurementInputTerminalCapitalizationRateMemberpfg:DiscountedCashFlowRealEstateMember2024-06-300001126328srt:MaximumMemberpfg:SeparateAccountAssetsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:MeasurementInputMarketInterestRateMemberpfg:DiscountedCashFlowRealEstateDebtMember2024-06-300001126328srt:MaximumMemberpfg:SeparateAccountAssetsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:MeasurementInputLoanToValueRatioMemberpfg:DiscountedCashFlowRealEstateDebtMember2024-06-300001126328srt:WeightedAverageMemberpfg:SeparateAccountAssetsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputLongTermRevenueGrowthRateMemberpfg:DiscountedCashFlowRealEstateMember2023-12-310001126328srt:WeightedAverageMemberpfg:SeparateAccountAssetsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputDiscountRateMemberpfg:DiscountedCashFlowRealEstateMember2023-12-310001126328srt:WeightedAverageMemberpfg:SeparateAccountAssetsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:MeasurementInputTerminalCapitalizationRateMemberpfg:DiscountedCashFlowRealEstateMember2023-12-310001126328srt:WeightedAverageMemberpfg:SeparateAccountAssetsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:MeasurementInputMarketInterestRateMemberpfg:DiscountedCashFlowRealEstateDebtMember2023-12-310001126328srt:WeightedAverageMemberpfg:SeparateAccountAssetsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:MeasurementInputLoanToValueRatioMemberpfg:DiscountedCashFlowRealEstateDebtMember2023-12-310001126328srt:MinimumMemberpfg:SeparateAccountAssetsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputLongTermRevenueGrowthRateMemberpfg:DiscountedCashFlowRealEstateMember2023-12-310001126328srt:MinimumMemberpfg:SeparateAccountAssetsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputDiscountRateMemberpfg:DiscountedCashFlowRealEstateMember2023-12-310001126328srt:MinimumMemberpfg:SeparateAccountAssetsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:MeasurementInputTerminalCapitalizationRateMemberpfg:DiscountedCashFlowRealEstateMember2023-12-310001126328srt:MinimumMemberpfg:SeparateAccountAssetsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:MeasurementInputMarketInterestRateMemberpfg:DiscountedCashFlowRealEstateDebtMember2023-12-310001126328srt:MinimumMemberpfg:SeparateAccountAssetsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:MeasurementInputLoanToValueRatioMemberpfg:DiscountedCashFlowRealEstateDebtMember2023-12-310001126328srt:MaximumMemberpfg:SeparateAccountAssetsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputLongTermRevenueGrowthRateMemberpfg:DiscountedCashFlowRealEstateMember2023-12-310001126328srt:MaximumMemberpfg:SeparateAccountAssetsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MeasurementInputDiscountRateMemberpfg:DiscountedCashFlowRealEstateMember2023-12-310001126328srt:MaximumMemberpfg:SeparateAccountAssetsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:MeasurementInputTerminalCapitalizationRateMemberpfg:DiscountedCashFlowRealEstateMember2023-12-310001126328srt:MaximumMemberpfg:SeparateAccountAssetsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:MeasurementInputMarketInterestRateMemberpfg:DiscountedCashFlowRealEstateDebtMember2023-12-310001126328srt:MaximumMemberpfg:SeparateAccountAssetsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberpfg:MeasurementInputLoanToValueRatioMemberpfg:DiscountedCashFlowRealEstateDebtMember2023-12-310001126328us-gaap:UniversalLifeMemberus-gaap:PolicyholderAccountBalanceAtGuaranteedMinimumCreditingRateMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0401AndGreaterMemberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-06-300001126328us-gaap:UniversalLifeMemberus-gaap:PolicyholderAccountBalanceAtGuaranteedMinimumCreditingRateMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0301To0400Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-06-300001126328us-gaap:UniversalLifeMemberus-gaap:PolicyholderAccountBalanceAtGuaranteedMinimumCreditingRateMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-06-300001126328us-gaap:UniversalLifeMemberus-gaap:PolicyholderAccountBalanceAtGuaranteedMinimumCreditingRateMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-06-300001126328us-gaap:UniversalLifeMemberus-gaap:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0001To0050Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0401AndGreaterMemberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-06-300001126328us-gaap:UniversalLifeMemberus-gaap:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0001To0050Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0301To0400Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-06-300001126328us-gaap:UniversalLifeMemberus-gaap:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0001To0050Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-06-300001126328us-gaap:UniversalLifeMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0201AndGreaterMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeUpTo0100Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-06-300001126328us-gaap:UniversalLifeMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0201AndGreaterMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0301To0400Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-06-300001126328us-gaap:UniversalLifeMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0201AndGreaterMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-06-300001126328us-gaap:UniversalLifeMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0201AndGreaterMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-06-300001126328us-gaap:UniversalLifeMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeUpTo0100Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-06-300001126328us-gaap:UniversalLifeMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0401AndGreaterMemberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-06-300001126328us-gaap:UniversalLifeMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0301To0400Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-06-300001126328us-gaap:UniversalLifeMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-06-300001126328us-gaap:UniversalLifeMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-06-300001126328us-gaap:UniversalLifeMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeUpTo0100Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-06-300001126328us-gaap:UniversalLifeMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0401AndGreaterMemberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-06-300001126328us-gaap:UniversalLifeMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0301To0400Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-06-300001126328us-gaap:UniversalLifeMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-06-300001126328us-gaap:UniversalLifeMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-06-300001126328us-gaap:VariableAnnuityMemberus-gaap:PolicyholderAccountBalanceAtGuaranteedMinimumCreditingRateMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeUpTo0100Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:VariableAnnuityMemberus-gaap:PolicyholderAccountBalanceAtGuaranteedMinimumCreditingRateMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:VariableAnnuityMemberus-gaap:PolicyholderAccountBalanceAtGuaranteedMinimumCreditingRateMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:UniversalLifeMemberus-gaap:PolicyholderAccountBalanceAtGuaranteedMinimumCreditingRateMemberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-06-300001126328us-gaap:UniversalLifeMemberus-gaap:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0001To0050Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-06-300001126328us-gaap:UniversalLifeMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeUpTo0100Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-06-300001126328us-gaap:UniversalLifeMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0401AndGreaterMemberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-06-300001126328us-gaap:UniversalLifeMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0301To0400Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-06-300001126328us-gaap:UniversalLifeMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-06-300001126328us-gaap:UniversalLifeMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-06-300001126328us-gaap:UniversalLifeMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0201AndGreaterMemberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-06-300001126328us-gaap:UniversalLifeMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-06-300001126328us-gaap:UniversalLifeMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2024-06-300001126328us-gaap:DeferredFixedAnnuityMemberus-gaap:PolicyholderAccountBalanceAtGuaranteedMinimumCreditingRateMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeUpTo0100Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:DeferredFixedAnnuityMemberus-gaap:PolicyholderAccountBalanceAtGuaranteedMinimumCreditingRateMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0301To0400Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:DeferredFixedAnnuityMemberus-gaap:PolicyholderAccountBalanceAtGuaranteedMinimumCreditingRateMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:DeferredFixedAnnuityMemberus-gaap:PolicyholderAccountBalanceAtGuaranteedMinimumCreditingRateMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:DeferredFixedAnnuityMemberus-gaap:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0001To0050Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeUpTo0100Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:DeferredFixedAnnuityMemberus-gaap:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0001To0050Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:DeferredFixedAnnuityMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0201AndGreaterMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeUpTo0100Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:DeferredFixedAnnuityMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0201AndGreaterMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:DeferredFixedAnnuityMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeUpTo0100Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:DeferredFixedAnnuityMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:DeferredFixedAnnuityMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeUpTo0100Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:DeferredFixedAnnuityMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberus-gaap:PolicyholderAccountBalanceAtGuaranteedMinimumCreditingRateMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0401AndGreaterMemberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberus-gaap:PolicyholderAccountBalanceAtGuaranteedMinimumCreditingRateMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0301To0400Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberus-gaap:PolicyholderAccountBalanceAtGuaranteedMinimumCreditingRateMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberus-gaap:PolicyholderAccountBalanceAtGuaranteedMinimumCreditingRateMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberus-gaap:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0001To0050Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0201AndGreaterMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeUpTo0100Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0201AndGreaterMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeUpTo0100Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:VariableAnnuityMemberus-gaap:PolicyholderAccountBalanceAtGuaranteedMinimumCreditingRateMemberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:VariableAnnuityMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeUpTo0100Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:VariableAnnuityMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:VariableAnnuityMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:DeferredFixedAnnuityMemberus-gaap:PolicyholderAccountBalanceAtGuaranteedMinimumCreditingRateMemberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:DeferredFixedAnnuityMemberus-gaap:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0001To0050Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:DeferredFixedAnnuityMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeUpTo0100Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:DeferredFixedAnnuityMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0301To0400Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:DeferredFixedAnnuityMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:DeferredFixedAnnuityMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:DeferredFixedAnnuityMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0201AndGreaterMemberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:DeferredFixedAnnuityMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:DeferredFixedAnnuityMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberus-gaap:PolicyholderAccountBalanceAtGuaranteedMinimumCreditingRateMemberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberus-gaap:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0001To0050Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeUpTo0100Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0401AndGreaterMemberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0301To0400Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0201AndGreaterMemberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100Memberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:VariableAnnuityMemberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:DeferredFixedAnnuityMemberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberpfg:SegmentRetirementAndIncomeSolutionsMember2024-06-300001126328us-gaap:UniversalLifeMemberus-gaap:PolicyholderAccountBalanceAtGuaranteedMinimumCreditingRateMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0401AndGreaterMemberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-12-310001126328us-gaap:UniversalLifeMemberus-gaap:PolicyholderAccountBalanceAtGuaranteedMinimumCreditingRateMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0301To0400Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-12-310001126328us-gaap:UniversalLifeMemberus-gaap:PolicyholderAccountBalanceAtGuaranteedMinimumCreditingRateMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-12-310001126328us-gaap:UniversalLifeMemberus-gaap:PolicyholderAccountBalanceAtGuaranteedMinimumCreditingRateMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-12-310001126328us-gaap:UniversalLifeMemberus-gaap:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0001To0050Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0401AndGreaterMemberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-12-310001126328us-gaap:UniversalLifeMemberus-gaap:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0001To0050Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0301To0400Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-12-310001126328us-gaap:UniversalLifeMemberus-gaap:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0001To0050Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-12-310001126328us-gaap:UniversalLifeMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0201AndGreaterMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeUpTo0100Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-12-310001126328us-gaap:UniversalLifeMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0201AndGreaterMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0301To0400Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-12-310001126328us-gaap:UniversalLifeMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0201AndGreaterMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-12-310001126328us-gaap:UniversalLifeMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0201AndGreaterMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-12-310001126328us-gaap:UniversalLifeMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeUpTo0100Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-12-310001126328us-gaap:UniversalLifeMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0401AndGreaterMemberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-12-310001126328us-gaap:UniversalLifeMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0301To0400Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-12-310001126328us-gaap:UniversalLifeMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-12-310001126328us-gaap:UniversalLifeMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-12-310001126328us-gaap:UniversalLifeMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeUpTo0100Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-12-310001126328us-gaap:UniversalLifeMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0401AndGreaterMemberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-12-310001126328us-gaap:UniversalLifeMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0301To0400Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-12-310001126328us-gaap:UniversalLifeMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-12-310001126328us-gaap:UniversalLifeMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-12-310001126328us-gaap:VariableAnnuityMemberus-gaap:PolicyholderAccountBalanceAtGuaranteedMinimumCreditingRateMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeUpTo0100Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:VariableAnnuityMemberus-gaap:PolicyholderAccountBalanceAtGuaranteedMinimumCreditingRateMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:VariableAnnuityMemberus-gaap:PolicyholderAccountBalanceAtGuaranteedMinimumCreditingRateMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:UniversalLifeMemberus-gaap:PolicyholderAccountBalanceAtGuaranteedMinimumCreditingRateMemberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-12-310001126328us-gaap:UniversalLifeMemberus-gaap:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0001To0050Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-12-310001126328us-gaap:UniversalLifeMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeUpTo0100Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-12-310001126328us-gaap:UniversalLifeMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0401AndGreaterMemberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-12-310001126328us-gaap:UniversalLifeMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0301To0400Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-12-310001126328us-gaap:UniversalLifeMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-12-310001126328us-gaap:UniversalLifeMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-12-310001126328us-gaap:UniversalLifeMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0201AndGreaterMemberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-12-310001126328us-gaap:UniversalLifeMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-12-310001126328us-gaap:UniversalLifeMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100Memberpfg:SegmentBenefitsAndProtectionMemberpfg:SubsegmentLifeInsuranceMember2023-12-310001126328us-gaap:DeferredFixedAnnuityMemberus-gaap:PolicyholderAccountBalanceAtGuaranteedMinimumCreditingRateMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeUpTo0100Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:DeferredFixedAnnuityMemberus-gaap:PolicyholderAccountBalanceAtGuaranteedMinimumCreditingRateMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0301To0400Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:DeferredFixedAnnuityMemberus-gaap:PolicyholderAccountBalanceAtGuaranteedMinimumCreditingRateMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:DeferredFixedAnnuityMemberus-gaap:PolicyholderAccountBalanceAtGuaranteedMinimumCreditingRateMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:DeferredFixedAnnuityMemberus-gaap:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0001To0050Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeUpTo0100Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:DeferredFixedAnnuityMemberus-gaap:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0001To0050Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:DeferredFixedAnnuityMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0201AndGreaterMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeUpTo0100Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:DeferredFixedAnnuityMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0201AndGreaterMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:DeferredFixedAnnuityMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeUpTo0100Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:DeferredFixedAnnuityMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:DeferredFixedAnnuityMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeUpTo0100Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:DeferredFixedAnnuityMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberus-gaap:PolicyholderAccountBalanceAtGuaranteedMinimumCreditingRateMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0401AndGreaterMemberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberus-gaap:PolicyholderAccountBalanceAtGuaranteedMinimumCreditingRateMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0301To0400Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberus-gaap:PolicyholderAccountBalanceAtGuaranteedMinimumCreditingRateMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberus-gaap:PolicyholderAccountBalanceAtGuaranteedMinimumCreditingRateMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberus-gaap:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0001To0050Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeUpTo0100Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberus-gaap:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0001To0050Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberus-gaap:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0001To0050Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0201AndGreaterMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeUpTo0100Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0201AndGreaterMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0201AndGreaterMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeUpTo0100Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeUpTo0100Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100Memberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:VariableAnnuityMemberus-gaap:PolicyholderAccountBalanceAtGuaranteedMinimumCreditingRateMemberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:VariableAnnuityMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeUpTo0100Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:VariableAnnuityMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:VariableAnnuityMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:DeferredFixedAnnuityMemberus-gaap:PolicyholderAccountBalanceAtGuaranteedMinimumCreditingRateMemberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:DeferredFixedAnnuityMemberus-gaap:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0001To0050Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:DeferredFixedAnnuityMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeUpTo0100Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:DeferredFixedAnnuityMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0301To0400Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:DeferredFixedAnnuityMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:DeferredFixedAnnuityMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:DeferredFixedAnnuityMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0201AndGreaterMemberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:DeferredFixedAnnuityMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328us-gaap:DeferredFixedAnnuityMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberus-gaap:PolicyholderAccountBalanceAtGuaranteedMinimumCreditingRateMemberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberus-gaap:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0001To0050Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeUpTo0100Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0401AndGreaterMemberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0301To0400Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0201To0300Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberpfg:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0201AndGreaterMemberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-310001126328pfg:WorkplaceSavingsAndRetirementSolutionsMemberpfg:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0101To0200Memberpfg:SegmentRetirementAndIncomeSolutionsMember2023-12-31