Deferred Acquisition Costs and Deferred Sales Inducement Costs (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2016		Sep. 30, 2015
Balances of and changes in DAC [Roll Forward]
Benefit related to the write-off of the deferred revenue liability	$ 27
Ameriprise Financial [Member]
Balances of and changes in DAC [Roll Forward]
Balance, at the beginning of the period	2,725		$ 2,608
Capitalization of acquisition costs	274	[1]	264
Amortization, excluding the impact of valuation assumptions review	(279)		(296)
Amortization, impact of valuation assumptions review	(81)		(6)
Impact of change in net unrealized securities (gains) losses	(105)		64
Balance, at the end of the period	2,534		2,634
Balances of and changes in DSIC [Roll Forward]
Balance at the beginning of the period	335		362
Capitalization of sales inducement costs	4		3
Amortization, excluding the impact of valuation assumptions review	(32)		(44)
Amortization, impact of valuation assumptions review	4		1
Impact of change in net unrealized securities (gains) losses	(14)		10
Balance at the end of the period	$ 297		$ 332

[1] Includes a $27 million benefit related to the write-off of the deferred reinsurance liability in connection with the loss recognition on LTC business.