Accounting Error Correction (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Capital Leased Assets [Line Items]
Land, buildings, equipment and software, net of accumulated depreciation	$ 724	$ 667
Ameriprise Financial, Inc.
Capital Leased Assets [Line Items]
Land, buildings, equipment and software, net of accumulated depreciation	294	$ 232
Capital lease obligation	60
Quantifying misstatement in current year financial statement	10
Ameriprise Financial, Inc. | Assets Held under Capital Leases [Member]
Capital Leased Assets [Line Items]
Land, buildings, equipment and software, net of accumulated depreciation	$ 70