Investments (Details 4) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013		Sep. 30, 2012		Sep. 30, 2013 Net Unrealized Securities Gains Ameriprise Financial		Sep. 30, 2012 Net Unrealized Securities Gains Ameriprise Financial		Sep. 30, 2013 Deferred Income Tax Ameriprise Financial		Sep. 30, 2012 Deferred Income Tax Ameriprise Financial		Sep. 30, 2013 Accumulated Other Comprehensive Income Related to Net Unrealized Securities Gains Ameriprise Financial		Dec. 31, 2012 Accumulated Other Comprehensive Income Related to Net Unrealized Securities Gains Ameriprise Financial	Sep. 30, 2012 Accumulated Other Comprehensive Income Related to Net Unrealized Securities Gains Ameriprise Financial		Dec. 31, 2011 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							$ 2,017		$ 1,350		$ (705)		$ (467)		$ 721	[1]	$ 1,312	$ 1,373	[1]	$ 883
Net unrealized securities gains							(1,326)	[2]	959	[2]
Net unrealized securities gains											457	[2]	(344)	[2]
Net unrealized securities gains	(67)	378	(869)	[2]	615	[2]
Reclassification of net securities gains included in net income							(7)		75		2		(26)
Reclassification of net securities (gains) losses included in net income	(5)	44	(5)		49
Impact of DAC, DSIC, benefit reserves and reinsurance recoverables							436		(268)		(153)		94
Impact on deferred acquisition costs, deferred sales inducement costs, benefit reserves and reinsurance recoverables	18	(112)	283		(174)
Balance, at the end of the period							1,120		2,116		(399)		(743)		721	[1]	1,312	1,373	[1]	883
Noncredit related impairments on securities and net unrealized securities losses on previously impaired securities, included in Accumulated Other Comprehensive Income															$ 11			$ 27

[1] Includes $11 million and $27 million of noncredit related impairments on securities and net unrealized securities losses on previously impaired securities at September 30, 2013 and 2012, respectively.

[2] 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.