Investments (AFS contractual maturity) (Details 9) (Ameriprise Financial [Member], USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Amortized cost
Due within one year	$ 1,556
Due after one year through five years	7,171
Due after five years through 10 years	4,781
Due after 10 years	4,641
Total having single maturity dates	18,149
Amortized cost	28,271	28,839
Fair value
Due within one year	1,578
Due after one year through five years	7,761
Due after five years through 10 years	5,022
Due after 10 years	5,518
Total having single maturity dates	19,879
Fair value	30,256	30,310
Residential mortgage backed securities [Member]
Amortized cost
Without single maturity dates	6,152
Amortized cost	6,152	6,114
Fair value
Without single maturity dates	6,232
Fair value	6,232	6,124
Commercial mortgage backed securities [Member]
Amortized cost
Without single maturity dates	2,522
Amortized cost	2,522	2,612
Fair value
Without single maturity dates	2,637
Fair value	2,637	2,741
Asset backed securities [Member]
Amortized cost
Without single maturity dates	1,440
Amortized cost	1,440	1,459
Fair value
Without single maturity dates	1,488
Fair value	1,488	1,504
Common stocks [Member]
Amortized cost
Without single maturity dates	8
Amortized cost	8	7
Fair value
Without single maturity dates	20
Fair value	$ 20	$ 18