Investments (AFS Securities by Maturity) (Details 5) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Available-for-sale Securities, Net Realized Gain (Loss) [Abstract]
Other-than-temporary impairments		$ (2)	$ (1)	$ (5)
Ameriprise Financial
Available-for-sale Securities, Net Realized Gain (Loss) [Abstract]
Gross realized gains	4	3	11	7
Gross realized losses	(3)	(2)	(4)	(2)
Other-than-temporary impairments	0	(2)	(1)	(5)
Total	1	(1)	6
Available-for-sale Securities, Contractual Maturity [Abstract]
Amortized Cost	28,282		28,282		28,839
Fair Value	30,486		30,486		30,310
Residential mortgage backed securities | Ameriprise Financial
Available-for-sale Securities, Contractual Maturity [Abstract]
Amortized cost, debt maturities, without single maturity date	6,065		6,065
Amortized Cost	6,065		6,065		6,114
Fair value, debt maturities, without single maturity date	6,158		6,158
Fair Value	6,158		6,158		6,124
Commercial mortgage backed securities | Ameriprise Financial
Available-for-sale Securities, Contractual Maturity [Abstract]
Amortized cost, debt maturities, without single maturity date	2,626		2,626
Amortized Cost	2,626		2,626		2,612
Fair value, debt maturities, without single maturity date	2,768		2,768
Fair Value	2,768		2,768		2,741
Asset backed securities | Ameriprise Financial
Available-for-sale Securities, Contractual Maturity [Abstract]
Amortized cost, debt maturities, without single maturity date	1,451		1,451
Amortized Cost	1,451		1,451		1,459
Fair value, debt maturities, without single maturity date	1,506		1,506
Fair Value	1,506		1,506		1,504
Common Stocks | Ameriprise Financial
Available-for-sale Securities, Contractual Maturity [Abstract]
Amortized cost, debt maturities, without single maturity date	8		8
Amortized Cost	8		8		7
Fair value, debt maturities, without single maturity date	21		21
Fair Value	21		21		18
Available-for-Sale Securities, at fair value | Ameriprise Financial
Available-for-sale Securities, Contractual Maturity [Abstract]
Amortized cost, due within one year	1,604		1,604
Amortized cost, due after one year through five years	6,810		6,810
Amortized cost, due after five years through 10 years	5,049		5,049
Amortized cost, due after 10 years	4,669		4,669
Amortized cost, debt maturities, single maturity date	18,132		18,132
Fair value, due within one year	1,633		1,633
Fair value, due after one year through five years	7,439		7,439
Fair value, due after five years through 10 years	5,385		5,385
Fair value, due after 10 years	5,576		5,576
Fair value, debt maturities, single maturity date	$ 20,033		$ 20,033