Customer Deposits (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Customer Deposits [Abstract]
Holding period of stock market certificates	1 year
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	3,597,000,000	3,338,000,000
Stock market certificates	581,000,000	611,000,000
Stock market embedded derivative reserve	6,000,000	7,000,000
Other	23,000,000	28,000,000
Less: accrued interest classified in other liabilities	(8,000,000)	(10,000,000)
Total investment certificate reserves	4,199,000,000	3,974,000,000
Brokerage deposits	3,465,000,000	3,088,000,000
Total	7,664,000,000	$ 7,062,000,000