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Additionally, this item would include any gains (losses) realized during the period from the sale of investments accounted for under the cost method of accounting and losses recognized for other than temporary impairments (OTTI) of the subject investments.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. 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This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. true2Net realized capital gains (losses)3false 3pfg_DerivativeAndHedgingRelatedAdjustmentspfg_falsedebitdurationfalsefalsefalsefalsefalsefalsefalsetruenegatedLabel1truefalsefalse-21000000-21.0falsefalsefalse2truefalsefalse-22400000-22.4falsefalsefalse3truefalsefalse-45100000-45.1falsefalsefalse4truefalsefalse-45700000-45.7falsefalsefalsexbrli:monetaryItemTypemonetaryNet impact of (1) adjustment for periodic settlements and accruals on derivatives not designated as hedging instruments to move that amount from net realized capital gains (losses) to net investment income for segment profit (loss) reporting and (2) amortization of the cumulative fair value adjustment for assets that have had fair value hedge accounting terminated to move that amount from net investment income to net realized capital gains (losses) for segment profit (loss) reporting.No definition available.false2Certain derivative and hedging-related adjustments4false 3pfg_FrontEndFeeRevenuesRecognitionpfg_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse-400000-0.4falsefalsefalse2truefalsefalse5000000.5falsefalsefalse3truefalsefalse-600000-0.6falsefalsefalse4truefalsefalse1000000.1falsefalsefalsexbrli:monetaryItemTypemonetaryAdjustment to move amounts reported in fees and other revenues to net realized capital gains (losses) for segment profit (loss) reporting related to amortization of unearned revenue reserves attributable to the portion of estimated gross profits related to net realized capital gains (losses).No definition available.false2Recognition of front-end fee revenues5false 3pfg_SegmentReportingInformationNetRealizedCapitalGainsLossespfg_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsefalsetotalLabel1truefalsefalse-101500000-101.5falsefalsefalse2truefalsefalse-21700000-21.7falsefalsefalse3truefalsefalse-176700000-176.7falsefalsefalse4truefalsefalse-52100000-52.1falsefalsefalsexbrli:monetaryItemTypemonetaryNet realized capital gains (losses) net of recognition of deferred front-end fee revenues for sales charges on retirement products and services and certain market value adjustments to fee revenues. It excludes periodic settlements and accruals on derivatives not designated as hedging instruments.No definition available.true2Net realized capital gains (losses), net of related revenue adjustments6false 3pfg_DeferredAcquisitionCostAndOtherActuarialBalancesAmortizationExpensepfg_falsedebitdurationfalsefalsefalsefalsefalsefalsefalsetruenegatedLabel1truefalsefalse1500000015.0falsefalsefalse2truefalsefalse-28600000-28.6falsefalsefalse3truefalsefalse1810000018.1falsefalsefalse4truefalsefalse42000004.2falsefalsefalsexbrli:monetaryItemTypemonetaryAdjustment to move amounts reported in operating expenses and benefits, claims and settlement expenses to net realized capital gains (losses) for segment profit (loss) reporting related to the portion of amortization expense from deferred acquisition costs and other actuarial balances, respectively, attributable to the portion of estimated gross profits related to net realized capital gains (losses).No definition available.false2Amortization of deferred acquisition costs and other actuarial balances7false 3pfg_CapitalGainsLossesDistributedpfg_falsedebitdurationfalsefalsefalsefalsefalsefalsefalsetruenegatedLabel1truefalsefalse-4800000-4.8falsefalsefalse2truefalsefalse56000005.6falsefalsefalse3truefalsefalse-10900000-10.9falsefalsefalse4truefalsefalse-1900000-1.9falsefalsefalsexbrli:monetaryItemTypemonetaryAdjustment to move amounts reported in benefits, claims and settlement expenses to net realized capital gains (losses) for segment profit (loss) reporting related to net realized capital gains (losses) distributed to participating insurance or investment contract participants through interest crediting.No definition available.false2Capital (gains) losses distributed8false 3pfg_MarketValueAdjustmentsEmbeddedDerivativespfg_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse-400000-0.4falsefalsefalse2truefalsefalse5000000.5falsefalsefalse3truefalsefalse-300000-0.3falsefalsefalse4truefalsefalse-1400000-1.4falsefalsefalsexbrli:monetaryItemTypemonetaryAdjustment for the portion of the change in fair value of embedded derivatives related to customer behavior-related impacts, which is a risk we assume, to move that amount to benefits, claims and settlement expenses for segment profit (loss) reporting.No definition available.false2Certain market value adjustments of embedded derivatives9false 3pfg_NetRealizedCapitalGainsLossesExitedGroupMedicalInsuranceBusinesspfg_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2truefalsefalse1000000.1falsefalsefalse3falsefalsefalse00falsefalsefalse4truefalsefalse2000000.2falsefalsefalsexbrli:monetaryItemTypemonetaryAdjustment for net realized capital gains and losses associated with an exited group medical insurance business to move that amount to other after-tax adjustments for segment profit (loss) reporting.No definition available.false2Net realized capital (gains) losses associated with exited group medical insurance business10false 3pfg_NoncontrollingInterestCapitalGainsLossespfg_falsedebitdurationfalsefalsefalsefalsefalsefalsefalsetruenegatedLabel1falsefalsefalse00falsefalsefalse2truefalsefalse-100000-0.1falsefalsefalse3falsefalsefalse00falsefalsefalse4truefalsefalse-8200000-8.2falsefalsefalsexbrli:monetaryItemTypemonetaryAdjustment for the portion of net income attributable to noncontrolling interest related to net realized capital gains (losses).No definition available.false2Noncontrolling interest capital (gains) losses11false 3pfg_NetRealizedCapitalGainsLossesIncomeTaxespfg_falsedebitdurationfalsefalsefalsefalsefalsefalsefalsetruenegatedLabel1truefalsefalse4410000044.1falsefalsefalse2truefalsefalse49000004.9falsefalsefalse3truefalsefalse6580000065.8falsefalsefalse4truefalsefalse1000000010.0falsefalsefalsexbrli:monetaryItemTypemonetaryAdjustment for the income tax effect of the pre-tax net realized capital gains (losses), as adjusted.No definition available.false2Tax expense/benefit related to net realized capital gains (losses), as adjusted12false 3pfg_SegmentReportingInformationNetRealizedCapitalGainsLossesNetOfTaxAndAdjustmentspfg_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsefalsetotalLabel1truefalsefalse-47600000-47.6USD$falsetruefalse2truefalsefalse-39300000-39.3USD$falsetruefalse3truefalsefalse-104000000-104.0USD$falsetruefalse4truefalsefalse-49200000-49.2USD$falsetruefalsexbrli:monetaryItemTypemonetaryNet realized capital gains (losses) net of income taxes, related changes in the amortization pattern of deferred acquisition costs and sales inducements, recognition of deferred front-end fee revenues for sales charges on retirement products and services, net realized capital gains and losses distributed, noncontrolling interest capital gains and losses and certain market value adjustments to fee revenues. 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