Changes in Shareholders' Equity (Details 3) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015	Apr. 28, 2014
Stock repurchase program, authorized amount			$ 2,500	$ 2,500
Remaining balance under stock repurchase program	$ 2,200
Number of shares reacquired through surrender of restricted shares	0.3	0.3
Value of shares reacquired through surrender of restricted shares	$ 26	$ 43
Number of shares reacquired through net settlement options	0.1	0.4
Aggregate value of shares reacquired through net settlement options	$ 8	$ 51
Treasury shares reissued for restricted stock award grants and Ameriprise Financial Franchise Advisor Deferred Compensation Plan	0.9	1.0
Open Market Share Repurchases [Member]
Repurchase of common shares (in shares)	5.1	2.6
Repurchase of common shares	$ 451	$ 349