Derivatives and Hedging Activities (Impact of Hedgine Activity) (Details 5) (USD $) In Millions, unless otherwise specified	12 Months Ended			1 Months Ended
	Dec. 31, 2014 swap	Dec. 31, 2013	Dec. 31, 2012	Oct. 31, 2013
Derivative Instruments, Gain (Loss)
Gain on cash flow hedge ineffectiveness	$ 1	$ 1	$ 1
Number of interest rate swaps held	3
Cash flow hedges [Member]
Derivative Instruments, Gain (Loss)
Cash flow hedge gain reclassified from accumulated other comprehensive income into earnings			3
Estimated reclassification of net pretax losses on cash flow hedges from accumulated other comprehensive income to earnings during the next 12 months	1
Cash flow hedge gain to be reclassified within twelve months to interest and debt expense	4
Cash flow hedge loss to be reclassified within twelve months recorded in net investment income	5
Longest period of time over which the entity hedges exposure to the variability in future cash flows	21 years
Ameriprise Financial [Member] | Senior notes due 2015 [Member]
Derivative Instruments, Gain (Loss)
Extinguishment of debt, amount				350
Interest and debt expense [Member] | Fair value hedges [Member] | Fixed rate debt [Member]
Derivative Instruments, Gain (Loss)
Amount of gain recognized in income on derivatives	33	57	37
Interest and debt expense [Member] | Fair value hedges [Member] | Fixed rate debt [Member] | Derivative contract settlement [Member]
Derivative Instruments, Gain (Loss)
Amount of gain recognized in income on derivatives		$ 18