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, 2015		Sep. 30, 2014		Sep. 30, 2015		Sep. 30, 2014
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation
Net increase (decrease) to pretax income from embedded derivative liability	$ 162		$ 59		$ 154		$ 68
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	292		184		242		125
Total gains (losses) included in net income	(1)				13	[1]	14	[1]
Issues	31		21		76		69
Settlements	(5)		(3)		(14)		(6)
Balance, at the end of the period	317		202		317		202
Changes in unrealized gains (losses) relating to liabilities held at the end of the period included in:
Interest credited to fixed accounts	(1)				13		14
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	235		(347)		479		(575)
Total gains (losses) included in net income	805	[2]	207	[3]	426	[3]	327	[3]
Issues	69		65		197		184
Settlements	(2)		(2)		5		(13)
Balance, at the end of the period	1,107		(77)		1,107		(77)
Changes in unrealized gains (losses) relating to liabilities held at the end of the period included in:
Benefits, claims, losses and settlement expenses	811		208		438		327
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	527		(163)		721		(450)
Total gains (losses) included in net income	804		207		439		341
Issues	100		86		273		253
Settlements	(7)		(5)		(9)		(19)
Balance, at the end of the period	1,424		125		1,424		125
Changes in unrealized gains (losses) relating to liabilities held at the end of the period included in:
Interest credited to fixed accounts	(1)				13		14
Benefits, claims, losses and settlement expenses	$ 811		$ 208		$ 438		$ 327

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

[2] {F|ahBzfndlYmZpbGluZ3MtaHJkcmoLEgZYTUxEb2MiXlhCUkxEb2NHZW5JbmZvOjI0MTVlYjBiYjFiOTRhZjg5OTNiNTQwZmRmOWJhNTUyfFRleHRTZWxlY3Rpb246REQ4OENDNUM3OENFRjRGQTRGMEMwM0JFNzA1QkZBNkUM}

[3] {F|ahBzfndlYmZpbGluZ3MtaHJkcmoLEgZYTUxEb2MiXlhCUkxEb2NHZW5JbmZvOjI0MTVlYjBiYjFiOTRhZjg5OTNiNTQwZmRmOWJhNTUyfFRleHRTZWxlY3Rpb246ODhFMEZDNTZDNEE4NjRGQjlEQzYwM0JFNzA1QjE1NUYM}