2.4.0.84045 - Disclosure - Investments (Details 6)truefalseIn Millions, unless otherwise specifiedfalse1false USDfalsefalse$D2013Q2http://www.sec.gov/CIK0000727892duration2013-04-01T00:00:002013-06-30T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$2false USDfalsefalse$D2012Q2http://www.sec.gov/CIK0000727892duration2012-04-01T00:00:002012-06-30T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$3false USDfalsefalse$D2013Q2YTDhttp://www.sec.gov/CIK0000727892duration2013-01-01T00:00:002013-06-30T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$4false USDfalsefalse$D2012Q2YTDhttp://www.sec.gov/CIK0000727892duration2012-01-01T00:00:002012-06-30T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$1true 2us-gaap_NetInvestmentIncomeInsuranceEntityAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Net investment income2false 3rsl_GrossInvestmentIncomeInsuranceEntityFixedMaturitiesrsl_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse303000000303USD$falsetruefalse2truefalsefalse338000000338USD$falsetruefalse3truefalsefalse612000000612USD$falsetruefalse4truefalsefalse680000000680USD$falsetruefalsexbrli:monetaryItemTypemonetaryThe amount of gross investment earnings, before investment expenses and excluding realized gains (losses), recognized in the period on holdings of debt securities having stated maturity dates.No definition available.false2Income on fixed maturities3false 3rsl_GrossInvestmentIncomeInsuranceEntityCommercialMortgageLoansrsl_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse5200000052falsefalsefalse2truefalsefalse3800000038falsefalsefalse3truefalsefalse103000000103falsefalsefalse4truefalsefalse7300000073falsefalsefalsexbrli:monetaryItemTypemonetaryThe amount of gross investment earnings, before investment expenses and excluding realized gains (losses), recognized in the period on holdings of commercial mortgage loans.No definition available.false2Income on mortgage loans4false 3rsl_GrossInvestmentIncomeInsuranceEntityOtherInvestmentsrsl_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse1100000011falsefalsefalse2truefalsefalse70000007falsefalsefalse3truefalsefalse1700000017falsefalsefalse4truefalsefalse1300000013falsefalsefalsexbrli:monetaryItemTypemonetaryThe amount of gross investment earnings, before investment expenses and excluding realized gains (losses), recognized in the period on holdings of other investments.No definition available.false2Other investments5false 3rsl_GrossInvestmentIncomersl_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsefalsetotalLabel1truefalsefalse366000000366falsefalsefalse2truefalsefalse383000000383falsefalsefalse3truefalsefalse732000000732falsefalsefalse4truefalsefalse766000000766falsefalsefalsexbrli:monetaryItemTypemonetaryThe gross income before expenses and excluding realized gains (losses) earned from investments in fixed maturities, commercial mortgage loans and other investments.No definition available.true2Gross investment income6false 3us-gaap_InvestmentIncomeInvestmentExpenseus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse70000007falsefalsefalse2truefalsefalse60000006falsefalsefalse3truefalsefalse1500000015falsefalsefalse4truefalsefalse1200000012falsefalsefalsexbrli:monetaryItemTypemonetaryTotal expenses related to the generation of investment income in debt and equity securities.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.9) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 false2Less: investment expenses7false 3us-gaap_NetInvestmentIncomeus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalsetotalLabel1truefalsefalse359000000359USD$falsetruefalse2truefalsefalse377000000377USD$falsetruefalse3truefalsefalse717000000717USD$falsetruefalse4truefalsefalse754000000754USD$falsetruefalsexbrli:monetaryItemTypemonetaryThe income earned from investments in securities and property, equipment and other capital assets. It includes rent from property and equipment, dividends from shares in corporations, and interest from bonds, loans, mortgages, derivatives, commercial paper, bank accounts, certificates of deposits, treasuries, and other financial securities. It does not include realized gains and losses on investments.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 16 -Article 12 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.2) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 2 -Article 7 true2TotalfalseInvestments (Details 6) (USD $)MillionsUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.riversource.com/role/DisclosureInvestmentsDetails647