Debt (Schedule of Debt) (Details) - Ameriprise Financial [Member] - USD ($) $ in Millions		3 Months Ended		6 Months Ended	12 Months Ended
		Jun. 30, 2016	Mar. 31, 2016	Jun. 30, 2016	Dec. 31, 2015
Debt and stated interest rates
Long-term debt		$ 2,452		$ 2,452	$ 2,692
Total long-term debt		2,452		2,452	2,692
Short-term borrowings		200		200	200
Total		2,652		2,652	2,892
Federal Home Loan Bank Advances [Member]
Debt and stated interest rates
Short-term borrowings		$ 150		$ 150	$ 150
Stated Interest Rate (as a percent) short-term debt		0.60%		0.60%	0.50%
Remaining maturity of outstanding amount of short term borrowings				4 months	3 months
Repurchase agreements [Member]
Debt and stated interest rates
Short-term borrowings		$ 50		$ 50	$ 50
Stated Interest Rate (as a percent) short-term debt		0.70%		0.70%	0.50%
Remaining maturity of outstanding amount of short term borrowings				1 month	1 month
Senior notes due 2019 [Member]
Debt and stated interest rates
Long-term debt		$ 300		$ 300	$ 300
Stated Interest Rate (as a percent) long-term debt		7.30%		7.30%	7.30%
Senior notes due 2020 [Member]
Debt and stated interest rates
Long-term debt		$ 750		$ 750	$ 750
Stated Interest Rate (as a percent) long-term debt		5.30%		5.30%	5.30%
Senior notes due 2023 [Member]
Debt and stated interest rates
Long-term debt		$ 750		$ 750	$ 750
Stated Interest Rate (as a percent) long-term debt		4.00%		4.00%	4.00%
Senior notes due 2024 [Member]
Debt and stated interest rates
Long-term debt		$ 550		$ 550	$ 550
Stated Interest Rate (as a percent) long-term debt		3.70%		3.70%	3.70%
Junior subordinated notes due 2066 [Member]
Debt and stated interest rates
Long-term debt		$ 0		$ 0	$ 245
Stated Interest Rate (as a percent) long-term debt		0.00%		0.00%	7.50%
Extinguishment of debt		$ 229	$ 16
Gain on extinguishment of debt			$ 1
Capitalized lease obligations [Member]
Debt and stated interest rates
Capitalized lease obligations		55		$ 55	$ 60
Other [Member]
Debt and stated interest rates
Other	[1]	47		47	37
Residential mortgage backed securities [Member] | Repurchase agreements [Member]
Debt and stated interest rates
Available-for-sale securities pledged as collateral		30		30	30
Commercial mortgage backed securities [Member] | Federal Home Loan Bank Advances [Member]
Debt and stated interest rates
Available-for-sale securities pledged as collateral		416		416	290
Commercial mortgage backed securities [Member] | Repurchase agreements [Member]
Debt and stated interest rates
Available-for-sale securities pledged as collateral		$ 22		$ 22	$ 22

[1] Amounts include adjustments for fair value hedges on the Company’s long-term debt and unamortized discount and debt issuance costs. See Note 12 for information on the Company’s fair value hedges.