Deferred Acquisition Costs and Deferred Sales Inducement Costs (Details) - Ameriprise Financial [Member] - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Balances of and changes in DAC [Roll Forward]
Balance, at the beginning of the period	$ 2,648	$ 2,730	[1]
Capitalization of acquisition costs	145	166
Amortization	(141)	(197)
Impact of change in net unrealized securities gains	(15)	(94)
Balance, at the end of the period	2,637	2,605	[1]
Balances of and changes in DSIC [Roll Forward]
Balance at the beginning of the period	302	335
Capitalization of sales inducement costs	3	2
Amortization	(19)	(22)
Impact of change in net unrealized securities gains	0	(14)
Balance at the end of the period	$ 286	$ 301

[1] DAC balances were restated for the correction of commission expense accrual for certain insurance and annuity products in the fourth quarter of 2016. See Note 1 in the 2016 10-K.