Deferred Acquisition Costs and Deferred Sales Inducement Costs (Details) (Ameriprise Financial [Member], USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Ameriprise Financial [Member]
Balances of and changes in DAC
Balance at the beginning of the period	$ 2,663	$ 2,399	$ 2,440
Capitalization of acquisition costs	336	339	313
Amortization, excluding the impact of valuation assumptions review	(360)	(285)	(275)
Amortization impact of valuation assumptions review	(7)	78	(11)
Impact of change in net unrealized securities losses (gains)	(24)	132	(68)
Balance at the end of the period	2,608	2,663	2,399
Balances of and changes in DSIC
Balance at the beginning of the period	409	404	464
Capitalization of sales inducement costs	5	5	7
Amortization, excluding the impact of valuation assumptions review	(51)	(48)	(45)
Amortization impact of valuation assumptions review	(2)	25	(13)
Impact of change in net unrealized securities losses (gains)	1	23	(9)
Balance at the end of the period	$ 362	$ 409	$ 404