Deferred Acquisition Costs and Deferred Sales Inducement Costs (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Balances of and changes in DAC
Balance, at the beginning of the period	$ 2,399	$ 2,440
Amortization	(231)	(186)
Deferred Policy Acquisition Cost Amortization Expense Impact Of Valuation Assumptions Review	78	(11)
Balance, at the end of the period	2,610	2,397
Balances of and changes in DSIC, included in other assets
Amortization	(39)	(30)
Deferred Sales Inducements Amortization Expense Impact Of Valuation Assumptions Review	25	(13)
Ameriprise Financial
Balances of and changes in DAC
Balance, at the beginning of the period	2,399
Capitalization of acquisition costs	252	229
Impact of change in net unrealized securities losses (gains)	112	(75)
Balance, at the end of the period	2,610
Balances of and changes in DSIC, included in other assets
Balance, at the beginning of the period	404	464
Capitalization of sales inducement costs	4	6
Impact of change in net unrealized securities losses (gains)	18	(11)
Balance, at the end of the period	$ 412	$ 416