Debt (Short-term Debt) (Details 2) (Ameriprise Financial, USD $)						1 Months Ended
	Jun. 30, 2014	Jun. 30, 2014 Federal Home Loan Bank (FHLB) advances	Dec. 31, 2013 Federal Home Loan Bank (FHLB) advances	Jun. 30, 2014 Repurchase agreements	Dec. 31, 2013 Repurchase agreements	May 31, 2014 Unsecured Senior Notes [Member]
Debt and stated interest rates
Credit facility, current borrowing capacity	$ 500,000,000
Credit facility, maximum borrowing capacity	750,000,000
Outstanding letters of credit issued against credit facility	2,000,000
Extinguishment of Debt, Amount						200,000,000
Securities pledged as collateral		$ 502,000,000	$ 574,000,000	$ 51,000,000	$ 52,000,000