Fair Values of Assets and Liabilities (Level 3 rollforwards-Assets) (Details 2) - Ameriprise Financial [Member] - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Corporate debt securities [Member]
Summary of changes in Level 3 assets measured at fair value on a recurring basis [Rollforward]
Balance, at the beginning of the period	$ 1,526	$ 1,566	$ 1,518	$ 1,640
Total gains (losses) included in net income	(1)	(1)	(1)	(1)
Total gains (losses) included in other comprehensive income (loss)	(19)	12	(6)	16
Purchases	40	46	55	122
Sales				(11)
Settlements	(37)	(58)	(57)	(201)
Balance, at the end of the period	1,509	1,565	1,509	1,565
Changes in unrealized gains (losses) relating to assets held at the end of the period included in:
Net investment income	(1)	(1)	(1)	(1)
Other derivative contracts [Member]
Summary of changes in Level 3 assets measured at fair value on a recurring basis [Rollforward]
Purchases				1
Balance, at the end of the period		1		1
Residential mortgage backed securities [Member]
Summary of changes in Level 3 assets measured at fair value on a recurring basis [Rollforward]
Balance, at the beginning of the period	280	87	206	187
Purchases	104	136	219	218
Settlements	(13)	(9)	(22)	(12)
Transfers out of Level 3	(92)		(124)	(179)
Balance, at the end of the period	279	214	279	214
Commercial mortgage backed securities [Member]
Summary of changes in Level 3 assets measured at fair value on a recurring basis [Rollforward]
Balance, at the beginning of the period	20	75	91	30
Purchases	41		41	60
Settlements	(2)		(3)
Transfers into Level 3			6
Transfers out of Level 3	(15)	(60)	(91)	(75)
Balance, at the end of the period	44	15	44	15
Asset backed securities [Member]
Summary of changes in Level 3 assets measured at fair value on a recurring basis [Rollforward]
Balance, at the beginning of the period	158	206	169	260
Total gains (losses) included in net income		1		1
Purchases	9		32	21
Settlements	(12)	(2)	(14)	(8)
Transfers out of Level 3	(20)	(20)	(52)	(89)
Balance, at the end of the period	135	185	135	185
Changes in unrealized gains (losses) relating to assets held at the end of the period included in:
Net investment income				1
Common stocks [Member]
Summary of changes in Level 3 assets measured at fair value on a recurring basis [Rollforward]
Balance, at the beginning of the period	7	6	6	6
Total gains (losses) included in other comprehensive income (loss)			1
Transfers out of Level 3	(1)	0	(1)	0
Balance, at the end of the period	6	6	6	6
Total available-for-sale securities [Member]
Summary of changes in Level 3 assets measured at fair value on a recurring basis [Rollforward]
Balance, at the beginning of the period	1,991	1,940	1,990	2,123
Total gains (losses) included in net income	(1)		(1)
Total gains (losses) included in other comprehensive income (loss)	(19)	12	(5)	16
Purchases	194	182	347	421
Sales				(11)
Settlements	(64)	(69)	(96)	(221)
Transfers into Level 3			6
Transfers out of Level 3	(128)	(80)	(268)	(343)
Balance, at the end of the period	1,973	1,985	1,973	1,985
Changes in unrealized gains (losses) relating to assets held at the end of the period included in:
Net investment income	(1)	(1)	(1)
Trading securities [Member]
Summary of changes in Level 3 assets measured at fair value on a recurring basis [Rollforward]
Balance, at the beginning of the period	1	2	1	2
Purchases		1		1
Sales		(2)		(2)
Transfers into Level 3			0
Transfers out of Level 3	0
Balance, at the end of the period	$ 1	$ 1	$ 1	$ 1