Investments (OCI rollforward) (Details 7) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Rollforward of the net unrealized securities gains (losses) on Available-for-Sale securities included in accumulated other comprehensive income
Net unrealized securities gains (losses) arising during the period, net of tax		$ (436)	$ 239	$ (289)	$ 478
Reclassification of net securities (gains) losses included in net income		(3)	(1)	(10)	(4)
Impact of other adjustments		201	(76)	132	(167)
Net unrealized securities gains/losses, gross [Member] | Ameriprise Financial [Member]
Rollforward of the net unrealized securities gains (losses) on Available-for-Sale securities included in accumulated other comprehensive income
Balance at the beginning of the period				1,216	1,016
Net unrealized securities gains (losses) arising during the period	[1]			(445)	739
Reclassification of net securities (gains) losses included in net income				(16)	(6)
Impact of other adjustments				203	(257)
Balance at the end of the period		958	1,492	958	1,492
Deferred income tax [Member] | Ameriprise Financial [Member]
Rollforward of the net unrealized securities gains (losses) on Available-for-Sale securities included in accumulated other comprehensive income
Balance at the beginning of the period				(430)	(361)
Net unrealized securities (gains) losses arising during the period	[1]			156	(261)
Reclassification of net securities gains (losses) included in net income				6	2
Impact of other adjustments				(71)	90
Balance at the end of the period		(339)	(530)	(339)	(530)
Net unrealized securities gains/losses, net of tax [Member] | Ameriprise Financial [Member]
Rollforward of the net unrealized securities gains (losses) on Available-for-Sale securities included in accumulated other comprehensive income
Balance at the beginning of the period				786	655
Net unrealized securities gains (losses) arising during the period, net of tax	[1]			(289)	478
Reclassification of net securities (gains) losses included in net income				(10)	(4)
Impact of other adjustments				132	(167)
Balance at the end of the period	[2]	619	962	619	962
Noncredit related impairments on securities and net unrealized securities losses on previously impaired securities, included in accumulated other comprehensive income		$ 6	$ 2	$ 6	$ 2

[1] Includes other-than-temporary impairment losses on Available-for-Sale securities related to factors other than credit that were recognized in other comprehensive income (loss) during the period.

[2] Includes $6 million and $2 million of noncredit related impairments on securities and net unrealized securities gains on previously impaired securities at June 30, 2015 and 2014, respectively.