2.4.0.81090 - Disclosure - Short-term Borrowingstruefalsefalse1false falsefalseD2013Q2YTDhttp://www.sec.gov/CIK0000727892duration2013-01-01T00:00:002013-06-30T00:00:001true 1us-gaap_ShortTermBorrowingsAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Short-term Borrowings2false 2us-gaap_ShortTermDebtTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<div style="font-size:10.0pt;font-family:Times New Roman;"> 9.              Short-term Borrowings   The Company enters into repurchase agreements in exchange for cash which it accounts for as secured borrowings.  The Company has pledged Available-for-Sale securities consisting of agency residential mortgage backed securities and commercial mortgage backed securities to collateralize its obligation under the repurchase agreements. The fair value of the securities pledged is recorded in investments and was $209 million and $518 million at June 30, 2013 and December 31, 2012, respectively. The amount of the Company’s liability including accrued interest as of June 30, 2013 and December 31, 2012 was $201 million and $501 million, respectively.  The weighted average annualized interest rate on the repurchase agreements held as of both June 30, 2013 and December 31, 2012 was 0.4%.   RiverSource Life Insurance Company is a member of the Federal Home Loan Bank (“FHLB”) of Des Moines which provides access to collateralized borrowings. The Company has pledged Available-for-Sale securities consisting of commercial mortgage backed securities to collateralize its obligation under these borrowings. The fair value of the securities pledged is recorded in investments and was $376 million at June 30, 2013. The amount of the Company’s liability including accrued interest as of June 30, 2013 was $300 million.  The weighted average annualized interest rate on the FHLB advances held as of June 30, 2013 was 0.3%.   </div>falsefalsefalsenonnum:textBlockItemTypenaThe entire disclosure for short-term debt.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 7 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.13) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 13 -Article 9 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 false0Short-term BorrowingsfalseShort-term BorrowingsUnKnownUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.riversource.com/role/DisclosureShortTermBorrowings12