Customer Deposits (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Customer Deposits [Abstract]
Percentage of participation in the market index in the first option	100.00%
Percentage of participation in the market index in the second option	25.00%
Minimum [Member]
Customer Deposits [Abstract]
Amount of fixed rate investment certificates	$ 1,000
Term of fixed rate investment certificates	3 months
Returns on current first term stock market certificates (as a percent)	1.00%
Maximum [Member]
Customer Deposits [Abstract]
Amount of fixed rate investment certificates	$ 2,000,000
Term of fixed rate investment certificates	36 months
Returns on current first term stock market certificates (as a percent)	2.00%
Ameriprise Financial [Member]
Customer Deposits [Abstract]
Fixed rate certificates	$ 4,260,000,000	$ 3,597,000,000
Stock market certificates	553,000,000	581,000,000
Stock market embedded derivative reserve	4,000,000	6,000,000
Other	18,000,000	23,000,000
Less: accrued interest classified in other liabilities	(3,000,000)	(8,000,000)
Total investment certificate reserves	4,832,000,000	4,199,000,000
Brokerage customer deposits	3,802,000,000	3,465,000,000
Total	$ 8,634,000,000	$ 7,664,000,000