Changes in Shareholders' Equity (Details 3) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Stock repurchase program, authorized amount	$ 2,500		$ 2,500
Remaining balance under stock repurchase program	$ 572
Number of shares reacquired through surrender of restricted shares	0.2	0.3
Value of shares reacquired through surrender of restricted shares	$ 30	$ 26
Number of shares reacquired through net settlement options	1.0	0.1
Aggregate value of shares reacquired through net settlement options	$ 122	$ 8
Treasury shares reissued for restricted stock award grants and Ameriprise Financial Franchise Advisor Deferred Compensation Plan	0.7	0.9
Open Market Share Repurchases [Member]
Repurchase of common shares (in shares)	2.9	5.1
Repurchase of common shares	$ 357	$ 451