Deferred Acquisition Costs and Deferred Sales Inducement Costs (Details) - Ameriprise Financial [Member] - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Balances of and changes in DAC [Roll Forward]
Balance, at the beginning of the period	$ 2,725	$ 2,608
Capitalization of acquisition costs	166	172
Amortization	(197)	(169)
Impact of change in net unrealized securities (gains) losses	(94)	47
Balance, at the end of the period	2,600	2,658
Balances of and changes in DSIC [Roll Forward]
Balance at the beginning of the period	335	362
Capitalization of sales inducement costs	2	2
Amortization	(22)	(25)
Impact of change in net unrealized securities (gains) losses	(14)	7
Balance at the end of the period	$ 301	$ 346