Investments (AFS contractual maturity) (Details 9) (Ameriprise Financial [Member], USD $) In Millions, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Amortized cost
Due within one year	$ 1,505
Due after one year through five years	6,818
Due after five years through 10 years	5,055
Due after 10 years	4,526
Total having single maturity dates	17,904
Amortized cost	27,972	28,066
Fair value
Due within one year	1,520
Due after one year through five years	7,363
Due after five years through 10 years	5,343
Due after 10 years	5,536
Total having single maturity dates	19,762
Fair value	30,150us-gaap_AvailableForSaleSecurities	30,027us-gaap_AvailableForSaleSecurities
Residential mortgage backed securities [Member]
Amortized cost
Without single maturity dates	6,147
Amortized cost	6,147	6,099
Fair value
Without single maturity dates	6,270
Fair value	6,270	6,207
Commercial mortgage backed securities [Member]
Amortized cost
Without single maturity dates	2,560
Amortized cost	2,560	2,513
Fair value
Without single maturity dates	2,694
Fair value	2,694	2,630
Asset backed securities [Member]
Amortized cost
Without single maturity dates	1,353
Amortized cost	1,353	1,417
Fair value
Without single maturity dates	1,405
Fair value	1,405	1,470
Common stocks [Member]
Amortized cost
Without single maturity dates	8
Amortized cost	8	8
Fair value
Without single maturity dates	19
Fair value	$ 19	$ 18

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

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Amount after adjustments of available-for-sale debt securities at cost, maturing in the next rolling twelve months following the latest balance sheet. Adjustments include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings less cumulative-effect adjustments and fair value hedge accounting adjustments. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount after adjustments of available-for-sale debt securities at cost, maturing in the sixth through tenth rolling twelve months following the latest balance sheet. Adjustments include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings less cumulative-effect adjustments, and fair value hedge accounting adjustments. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount after adjustments of available-for-sale debt securities at cost, maturing in the second through fifth rolling twelve months following the latest balance sheet. Adjustments include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings less cumulative-effect adjustments, and fair value hedge accounting adjustments. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Fair value of investment in available-for-sale debt securities with a single maturity date.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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Amount of available-for-sale debt securities at cost, net of adjustments, that do not have a single maturity date and which the entity has decided to disclose separately rather than allocating the cost over several maturity groupings. Adjustments include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings (less any cumulative-effect adjustments, as defined) and fair value hedge accounting adjustments.

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