2.4.0.84110 - Disclosure - Offsetting Assets and Liabilities (Details)truefalseIn Millions, unless otherwise specifiedfalse1false USDfalsefalse$I2013Q2http://www.sec.gov/CIK0000727892instant2013-06-30T00:00:000001-01-01T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$2false USDfalsefalse$I2012http://www.sec.gov/CIK0000727892instant2012-12-31T00:00:000001-01-01T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$1true 4rsl_OffsettingDerivativeAssetsAbstractrsl_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Derivatives:2false 5us-gaap_DerivativeFairValueOfDerivativeAssetus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse30690000003069USD$falsetruefalse2truefalsefalse34180000003418USD$falsetruefalsexbrli:monetaryItemTypemonetaryFair value of derivative asset, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 205G -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 44C -Subparagraph a -Clause 1 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959 false2Gross Amounts of Recognized Assets3true 4rsl_DerivativeFairValueOfDerivativeAssetGrossAmountsNotOffsetAbstractrsl_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Gross Amounts Not Offset in the Consolidated Balance Sheets4false 5rsl_DerivativeAssetNotOffsetFinancialInstrumentsrsl_falsecreditinstantfalsefalsefalsefalsefalsefalsefalsetruenegatedLabel1truefalsefalse-2757000000-2757USD$falsefalsefalse2truefalsefalse-2676000000-2676USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThe amount of derivative assets that could be offset by derivative liabilities subject to a master netting arrangement but management elects not to offset.No definition available.false2Financial Instruments5false 5us-gaap_DerivativeCollateralObligationToReturnCashus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsetruenegatedLabel1truefalsefalse-122000000-122USD$falsefalsefalse2truefalsefalse-262000000-262USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThe amount of the obligation to return cash collateral under master netting arrangements that have not been offset against net derivative instrument positions.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7476318&loc=d3e41678-113959 false2Cash Collateral6false 5rsl_DerivativeCollateralObligationToReturnSecuritiesrsl_falsecreditinstantfalsefalsefalsefalsefalsefalsefalsetruenegatedLabel1truefalsefalse-55000000-55USD$falsefalsefalse2truefalsefalse-355000000-355USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of obligation to return securities collateral under master netting arrangements that have not been offset against derivative assets.No definition available.false2Securities Collateral7false 4rsl_DerivativeFairValueOfDerivativeAssetAfterApplicationOfMasterNettingAgreementsAndCashAndSecuritiesCollateralrsl_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalsetotalLabel1truefalsefalse135000000135USD$falsefalsefalse2truefalsefalse125000000125USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThe fair value of derivative assets, net of master netting arrangements and collateral.No definition available.true2Net Amount8false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3false USDtruefalse$I2013Q2_OverTheCounterMemberhttp://www.sec.gov/CIK0000727892instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseOTC derivativesrsl_TransactionTypeAxisxbrldihttp://xbrl.org/2006/xbrldirsl_OverTheCounterMemberrsl_TransactionTypeAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0OTC derivatives9true 4rsl_OffsettingDerivativeAssetsAbstractrsl_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Derivatives:10false 5us-gaap_DerivativeFairValueOfDerivativeAssetus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse29590000002959USD$falsefalsefalse2truefalsefalse33220000003322USD$falsefalsefalsexbrli:monetaryItemTypemonetaryFair value of derivative asset, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 205G -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 44C -Subparagraph a -Clause 1 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959 false2Gross Amounts of Recognized Assets11true 4rsl_DerivativeFairValueOfDerivativeAssetGrossAmountsNotOffsetAbstractrsl_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Gross Amounts Not Offset in the Consolidated Balance Sheets12false 5rsl_DerivativeAssetNotOffsetFinancialInstrumentsrsl_falsecreditinstantfalsefalsefalsefalsefalsefalsefalsetruenegatedLabel1truefalsefalse-2757000000-2757USD$falsefalsefalse2truefalsefalse-2676000000-2676USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThe amount of derivative assets that could be offset by derivative liabilities subject to a master netting arrangement but management elects not to offset.No definition available.false2Financial Instruments13false 5us-gaap_DerivativeCollateralObligationToReturnCashus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsetruenegatedLabel1truefalsefalse-122000000-122USD$falsefalsefalse2truefalsefalse-262000000-262USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThe amount of the obligation to return cash collateral under master netting arrangements that have not been offset against net derivative instrument positions.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7476318&loc=d3e41678-113959 false2Cash Collateral14false 5rsl_DerivativeCollateralObligationToReturnSecuritiesrsl_falsecreditinstantfalsefalsefalsefalsefalsefalsefalsetruenegatedLabel1truefalsefalse-55000000-55USD$falsefalsefalse2truefalsefalse-355000000-355USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of obligation to return securities collateral under master netting arrangements that have not been offset against derivative assets.No definition available.false2Securities Collateral15false 4rsl_DerivativeFairValueOfDerivativeAssetAfterApplicationOfMasterNettingAgreementsAndCashAndSecuritiesCollateralrsl_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalsetotalLabel1truefalsefalse2500000025USD$falsefalsefalse2truefalsefalse2900000029USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThe fair value of derivative assets, net of master netting arrangements and collateral.No definition available.true2Net Amount16false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse5false USDtruefalse$I2013Q2_ExchangeTradedMemberhttp://www.sec.gov/CIK0000727892instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseExchange-traded derivativesrsl_TransactionTypeAxisxbrldihttp://xbrl.org/2006/xbrldirsl_ExchangeTradedMemberrsl_TransactionTypeAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Exchange-traded derivatives17true 4rsl_OffsettingDerivativeAssetsAbstractrsl_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Derivatives:18false 5us-gaap_DerivativeFairValueOfDerivativeAssetus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse110000000110USD$falsefalsefalse2truefalsefalse9600000096USD$falsefalsefalsexbrli:monetaryItemTypemonetaryFair value of derivative asset, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 205G -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. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 44C -Subparagraph a -Clause 1 -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. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959 false2Gross Amounts of Recognized Assets19true 4rsl_DerivativeFairValueOfDerivativeAssetGrossAmountsNotOffsetAbstractrsl_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Gross Amounts Not Offset in the Consolidated Balance Sheets20false 4rsl_DerivativeFairValueOfDerivativeAssetAfterApplicationOfMasterNettingAgreementsAndCashAndSecuritiesCollateralrsl_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalsetotalLabel1truefalsefalse110000000110USD$falsetruefalse2truefalsefalse9600000096USD$falsetruefalsexbrli:monetaryItemTypemonetaryThe fair value of derivative assets, net of master netting arrangements and collateral.No definition available.true2Net AmountfalseOffsetting Assets and Liabilities (Details) (USD $)MillionsUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.riversource.com/role/DisclosureOffsettingAssetsAndLiabilitiesDetails220