Fair Values of Assets and Liabilities (Level 3 rollforwards-Liabilities) (Details 3) - Ameriprise Financial [Member] - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation
Net increase (decrease) to pretax income from embedded derivative liability		$ 8	$ 162	$ 295	$ 154
Transfers from Level 1 to Level 2, liabilities		0	0	0	0
Transfers from Level 2 to Level 1, liabilities		0	0	0	0
IUL embedded derivatives [Member]
Summary of changes in Level 3 liabilities measured at fair value on a recurring basis [Rollforward]
Balance, at the beginning of the period		408	292	364	242
Total gains (losses) included in net income	[1]	12	(1)	8	13
Issues		25	31	86	76
Settlements		(7)	(5)	(20)	(14)
Balance, at the end of the period		438	317	438	317
GMWB and GMAB embedded derivatives [Member]
Summary of changes in Level 3 liabilities measured at fair value on a recurring basis [Rollforward]
Balance, at the beginning of the period		1,965	235	851	479
Total gains (losses) included in net income	[2]	(280)	805	708	426
Issues		77	69	215	197
Settlements		(6)	(2)	(18)	5
Balance, at the end of the period		1,756	1,107	1,756	1,107
Policyholder account balances, future policy benefits and claims [Member]
Summary of changes in Level 3 liabilities measured at fair value on a recurring basis [Rollforward]
Balance, at the beginning of the period		2,373	527	1,215	721
Total gains (losses) included in net income		(268)	804	716	439
Issues		102	100	301	273
Settlements		(13)	(7)	(38)	(9)
Balance, at the end of the period		2,194	1,424	2,194	1,424
Contingent Consideration Liability [Member]
Summary of changes in Level 3 liabilities measured at fair value on a recurring basis [Rollforward]
Issues		13		13
Balance, at the end of the period		13		13
Interest credited to fixed accounts [Member] | IUL embedded derivatives [Member]
Summary of changes in Level 3 liabilities measured at fair value on a recurring basis [Rollforward]
Changes in unrealized (gains)/losses relating to liabilities held at end of period		12	(1)	8	13
Interest credited to fixed accounts [Member] | Policyholder account balances, future policy benefits and claims [Member]
Summary of changes in Level 3 liabilities measured at fair value on a recurring basis [Rollforward]
Changes in unrealized (gains)/losses relating to liabilities held at end of period		12	(1)	8	13
Benefits, claims, losses and settlement expenses [Member] | GMWB and GMAB embedded derivatives [Member]
Summary of changes in Level 3 liabilities measured at fair value on a recurring basis [Rollforward]
Changes in unrealized (gains)/losses relating to liabilities held at end of period		(267)	811	830	438
Benefits, claims, losses and settlement expenses [Member] | Policyholder account balances, future policy benefits and claims [Member]
Summary of changes in Level 3 liabilities measured at fair value on a recurring basis [Rollforward]
Changes in unrealized (gains)/losses relating to liabilities held at end of period		$ (267)	$ 811	$ 830	$ 438

[1] Included in interest credited to fixed accounts in the Consolidated Statements of Operations.

[2] Included in benefits, claims, losses and settlement expenses in the Consolidated Statements of Operations.