Deferred Acquisition Costs and Deferred Sales Inducement Costs (Details) - Ameriprise Financial [Member] - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Balances of and changes in DAC [Roll Forward]
Balance, at the beginning of the period	$ 2,608	$ 2,663
Capitalization of acquisition costs	264	253
Amortization, excluding the impact of valuation assumptions review	(296)	(274)
Amortization, impact of valuation assumptions review	(6)	(7)
Impact of change in net unrealized securities losses (gains)	64	(30)
Balance, at the end of the period	2,634	2,605
Balances of and changes in DSIC [Roll Forward]
Balance at the beginning of the period	362	409
Capitalization of sales inducement costs	3	4
Amortization, excluding the impact of valuation assumptions review	(44)	(39)
Amortization, impact of valuation assumptions review	1	(2)
Impact of change in net unrealized securities losses (gains)	10	(3)
Balance at the end of the period	$ 332	$ 369