Investments (Net Realized Gains and Losses) (Details 4) (USD $) In Millions, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013
Accumulated other comprehensive income (losses), net unrealized securities gains (losses) on Available-for-Sale securities
Net unrealized securities gains	$ 239		$ (661)		$ 478		$ (802)
Reclassification of net securities (gains) losses included in net income	(1)		1		(4)
Impact on deferred acquisition costs, deferred sales inducement costs, benefit reserves and reinsurance recoverables	(76)		201		(167)		265
Net Unrealized Securities Gains | Ameriprise Financial
Accumulated other comprehensive income (losses), net unrealized securities gains (losses) on Available-for-Sale securities
Balance, at the beginning of the period					1,016		2,017
Net unrealized securities gains					739	[1]	(1,222)	[1]
Reclassification of net securities gains included in net income					(6)
Impact of DAC, DSIC, benefit reserves and reinsurance recoverables					(257)		407
Balance, at the end of the period	1,492		1,202		1,492		1,202
Deferred Income Tax | Ameriprise Financial
Accumulated other comprehensive income (losses), net unrealized securities gains (losses) on Available-for-Sale securities
Balance, at the beginning of the period					(361)		(705)
Net unrealized securities gains					(261)	[1]	420	[1]
Reclassification of net securities gains included in net income					2
Impact of DAC, DSIC, benefit reserves and reinsurance recoverables					90		(142)
Balance, at the end of the period	(530)		(427)		(530)		(427)
Accumulated Other Comprehensive Income Related to Net Unrealized Securities Gains | Ameriprise Financial
Accumulated other comprehensive income (losses), net unrealized securities gains (losses) on Available-for-Sale securities
Balance, at the beginning of the period					655		1,312
Net unrealized securities gains					478	[1]	(802)	[1]
Reclassification of net securities (gains) losses included in net income					(4)
Impact on deferred acquisition costs, deferred sales inducement costs, benefit reserves and reinsurance recoverables					(167)		265
Balance, at the end of the period	962	[2]	775	[2]	962	[2]	775	[2]
Noncredit related impairments on securities and net unrealized securities losses on previously impaired securities, included in Accumulated Other Comprehensive Income	$ (2)		$ 12		$ (2)		$ 12

[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 $(2) million and $12 million of noncredit related impairments on securities and net unrealized securities (gains) losses on previously impaired securities at June 30, 2014 and 2013, respectively.