Fair Values of Assets and Liabilities - Recurring Basis (Details) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
	Jun. 30, 2022	Dec. 31, 2021
Assets
Separate account assets at NAV	$ 77,758	$ 97,491
Liabilities
Liabilities embedded derivatives, net	1,412	2,862
GMWB and GMAB embedded derivatives
Assets
Receivables: embedded derivatives	185	133
Liabilities
Liabilities embedded derivatives	1,200	1,600
Ameriprise Financial
Assets
Available-for-Sale securities, at fair value	34,289	32,050
Ameriprise Financial | Corporate debt securities
Assets
Available-for-Sale securities, at fair value	8,938	9,932
Ameriprise Financial | Residential mortgage backed securities
Assets
Available-for-Sale securities, at fair value	13,273	10,944
Ameriprise Financial | Commercial mortgage backed securities
Assets
Available-for-Sale securities, at fair value	5,251	4,986
Ameriprise Financial | Asset backed securities
Assets
Available-for-Sale securities, at fair value	4,695	3,654
Ameriprise Financial | State and municipal obligations
Assets
Available-for-Sale securities, at fair value	891	1,092
Ameriprise Financial | U.S. government and agencies obligations
Assets
Available-for-Sale securities, at fair value	1,157	1,301
Ameriprise Financial | Foreign government bonds and obligations
Assets
Available-for-Sale securities, at fair value	50	92
Ameriprise Financial | Other securities
Assets
Available-for-Sale securities, at fair value	34	49
Ameriprise Financial | Policyholder account balances, future policy benefits and claims embedded derivatives
Liabilities
Cumulative increase (decrease) in embedded derivatives of adjustment for nonperformance risk	(828)	(598)
Ameriprise Financial | Level 3 | Corporate debt securities
Assets
Available-for-Sale securities, at fair value	458	502
Ameriprise Financial | Level 3 | Asset backed securities
Assets
Available-for-Sale securities, at fair value	2	2
Ameriprise Financial | Level 3 | Fixed deferred indexed annuities ceded embedded derivatives
Assets
Receivables: embedded derivatives	49	59
Ameriprise Financial | Level 3 | Fixed deferred indexed annuities embedded derivatives
Liabilities
Liabilities embedded derivatives	45	56
Ameriprise Financial | Level 3 | IUL embedded derivatives
Liabilities
Liabilities embedded derivatives	719	905
Ameriprise Financial | Level 3 | GMWB and GMAB embedded derivatives
Liabilities
Liabilities embedded derivatives, net	1,006	1,486
Ameriprise Financial | Level 3 | Structured variable annuity embedded derivatives
Liabilities
Liabilities embedded derivatives	(362)	406
Ameriprise Financial | Recurring basis
Assets
Cash equivalents	4,734	5,819
Available-for-Sale securities, at fair value	34,289	32,050
Investments at net asset value	10	11
Trading and other securities	212	242
Separate account assets at NAV	77,758	97,491
Investments and cash equivalents segregated for regulatory purposes	722	600
Other assets: derivative contracts	3,452	5,574
Total assets at fair value	121,226	141,846
Liabilities
Other	255	277
Other liabilities	3,462	4,500
Total liabilities at fair value	4,874	7,362
Ameriprise Financial | Recurring basis | Corporate debt securities
Assets
Available-for-Sale securities, at fair value	8,938	9,932
Ameriprise Financial | Recurring basis | Residential mortgage backed securities
Assets
Available-for-Sale securities, at fair value	13,273	10,944
Ameriprise Financial | Recurring basis | Commercial mortgage backed securities
Assets
Available-for-Sale securities, at fair value	5,251	4,986
Ameriprise Financial | Recurring basis | Asset backed securities
Assets
Available-for-Sale securities, at fair value	4,695	3,654
Ameriprise Financial | Recurring basis | State and municipal obligations
Assets
Available-for-Sale securities, at fair value	891	1,092
Ameriprise Financial | Recurring basis | U.S. government and agencies obligations
Assets
Available-for-Sale securities, at fair value	1,157	1,301
Ameriprise Financial | Recurring basis | Foreign government bonds and obligations
Assets
Available-for-Sale securities, at fair value	50	92
Ameriprise Financial | Recurring basis | Other securities
Assets
Available-for-Sale securities, at fair value	34	49
Ameriprise Financial | Recurring basis | Fixed deferred indexed annuities ceded embedded derivatives
Assets
Receivables: embedded derivatives	49	59
Ameriprise Financial | Recurring basis | Policyholder account balances, future policy benefits and claims embedded derivatives
Liabilities
Liabilities embedded derivatives, net	1,411	2,858
Ameriprise Financial | Recurring basis | Fixed deferred indexed annuities embedded derivatives
Liabilities
Liabilities embedded derivatives	48	61
Ameriprise Financial | Recurring basis | IUL embedded derivatives
Liabilities
Liabilities embedded derivatives	719	905
Ameriprise Financial | Recurring basis | GMWB and GMAB embedded derivatives
Liabilities
Liabilities embedded derivatives, net	1,006	1,486
Ameriprise Financial | Recurring basis | Structured variable annuity embedded derivatives
Liabilities
Liabilities embedded derivatives	(362)	406
Ameriprise Financial | Recurring basis | Customer deposits - SMC embedded derivatives
Liabilities
Liabilities embedded derivatives	1	4
Ameriprise Financial | Recurring basis | Interest rate derivative contracts
Assets
Other assets: derivative contracts	694	1,252
Liabilities
Other liabilities: derivative contracts	463	468
Ameriprise Financial | Recurring basis | Equity derivative contracts
Assets
Other assets: derivative contracts	2,665	4,293
Liabilities
Other liabilities: derivative contracts	2,729	3,754
Ameriprise Financial | Recurring basis | Credit derivative contracts
Assets
Other assets: derivative contracts	33	9
Liabilities
Other liabilities	2
Ameriprise Financial | Recurring basis | Foreign exchange derivative contracts
Assets
Other assets: derivative contracts	60	20
Liabilities
Other liabilities: derivative contracts	13	1
Ameriprise Financial | Recurring basis | Level 1
Assets
Cash equivalents	1,442	2,341
Available-for-Sale securities, at fair value	1,157	1,301
Trading and other securities	188	217
Investments and cash equivalents segregated for regulatory purposes	722	600
Other assets: derivative contracts	174	160
Total assets at fair value	3,683	4,619
Liabilities
Other	185	212
Other liabilities	390	315
Total liabilities at fair value	390	315
Ameriprise Financial | Recurring basis | Level 1 | Corporate debt securities
Assets
Available-for-Sale securities, at fair value	0	0
Ameriprise Financial | Recurring basis | Level 1 | Residential mortgage backed securities
Assets
Available-for-Sale securities, at fair value	0	0
Ameriprise Financial | Recurring basis | Level 1 | Commercial mortgage backed securities
Assets
Available-for-Sale securities, at fair value	0	0
Ameriprise Financial | Recurring basis | Level 1 | Asset backed securities
Assets
Available-for-Sale securities, at fair value	0	0
Ameriprise Financial | Recurring basis | Level 1 | State and municipal obligations
Assets
Available-for-Sale securities, at fair value	0	0
Ameriprise Financial | Recurring basis | Level 1 | U.S. government and agencies obligations
Assets
Available-for-Sale securities, at fair value	1,157	1,301
Ameriprise Financial | Recurring basis | Level 1 | Foreign government bonds and obligations
Assets
Available-for-Sale securities, at fair value	0	0
Ameriprise Financial | Recurring basis | Level 1 | Other securities
Assets
Available-for-Sale securities, at fair value	0	0
Ameriprise Financial | Recurring basis | Level 1 | Fixed deferred indexed annuities ceded embedded derivatives
Assets
Receivables: embedded derivatives	0	0
Ameriprise Financial | Recurring basis | Level 1 | Policyholder account balances, future policy benefits and claims embedded derivatives
Liabilities
Liabilities embedded derivatives, net	0	0
Ameriprise Financial | Recurring basis | Level 1 | Fixed deferred indexed annuities embedded derivatives
Liabilities
Liabilities embedded derivatives	0	0
Ameriprise Financial | Recurring basis | Level 1 | IUL embedded derivatives
Liabilities
Liabilities embedded derivatives	0	0
Ameriprise Financial | Recurring basis | Level 1 | GMWB and GMAB embedded derivatives
Liabilities
Liabilities embedded derivatives, net	0	0
Ameriprise Financial | Recurring basis | Level 1 | Structured variable annuity embedded derivatives
Liabilities
Liabilities embedded derivatives	0	0
Ameriprise Financial | Recurring basis | Level 1 | Customer deposits - SMC embedded derivatives
Liabilities
Liabilities embedded derivatives	0	0
Ameriprise Financial | Recurring basis | Level 1 | Interest rate derivative contracts
Assets
Other assets: derivative contracts	18	1
Liabilities
Other liabilities: derivative contracts	29	1
Ameriprise Financial | Recurring basis | Level 1 | Equity derivative contracts
Assets
Other assets: derivative contracts	156	158
Liabilities
Other liabilities: derivative contracts	172	101
Ameriprise Financial | Recurring basis | Level 1 | Credit derivative contracts
Assets
Other assets: derivative contracts	0	0
Liabilities
Other liabilities	0
Ameriprise Financial | Recurring basis | Level 1 | Foreign exchange derivative contracts
Assets
Other assets: derivative contracts	0	1
Liabilities
Other liabilities: derivative contracts	4	1
Ameriprise Financial | Recurring basis | Level 2
Assets
Cash equivalents	3,292	3,478
Available-for-Sale securities, at fair value	32,514	30,205
Trading and other securities	24	25
Investments and cash equivalents segregated for regulatory purposes	0	0
Other assets: derivative contracts	3,278	5,414
Total assets at fair value	39,108	39,122
Liabilities
Other	9	4
Other liabilities	3,011	4,124
Total liabilities at fair value	3,015	4,133
Ameriprise Financial | Recurring basis | Level 2 | Corporate debt securities
Assets
Available-for-Sale securities, at fair value	8,480	9,430
Ameriprise Financial | Recurring basis | Level 2 | Residential mortgage backed securities
Assets
Available-for-Sale securities, at fair value	13,134	10,944
Ameriprise Financial | Recurring basis | Level 2 | Commercial mortgage backed securities
Assets
Available-for-Sale securities, at fair value	5,251	4,951
Ameriprise Financial | Recurring basis | Level 2 | Asset backed securities
Assets
Available-for-Sale securities, at fair value	4,674	3,647
Ameriprise Financial | Recurring basis | Level 2 | State and municipal obligations
Assets
Available-for-Sale securities, at fair value	891	1,092
Ameriprise Financial | Recurring basis | Level 2 | U.S. government and agencies obligations
Assets
Available-for-Sale securities, at fair value	0	0
Ameriprise Financial | Recurring basis | Level 2 | Foreign government bonds and obligations
Assets
Available-for-Sale securities, at fair value	50	92
Ameriprise Financial | Recurring basis | Level 2 | Other securities
Assets
Available-for-Sale securities, at fair value	34	49
Ameriprise Financial | Recurring basis | Level 2 | Fixed deferred indexed annuities ceded embedded derivatives
Assets
Receivables: embedded derivatives	0	0
Ameriprise Financial | Recurring basis | Level 2 | Policyholder account balances, future policy benefits and claims embedded derivatives
Liabilities
Liabilities embedded derivatives, net	3	5
Ameriprise Financial | Recurring basis | Level 2 | Fixed deferred indexed annuities embedded derivatives
Liabilities
Liabilities embedded derivatives	3	5
Ameriprise Financial | Recurring basis | Level 2 | IUL embedded derivatives
Liabilities
Liabilities embedded derivatives	0	0
Ameriprise Financial | Recurring basis | Level 2 | GMWB and GMAB embedded derivatives
Liabilities
Liabilities embedded derivatives, net	0	0
Ameriprise Financial | Recurring basis | Level 2 | Structured variable annuity embedded derivatives
Liabilities
Liabilities embedded derivatives	0	0
Ameriprise Financial | Recurring basis | Level 2 | Customer deposits - SMC embedded derivatives
Liabilities
Liabilities embedded derivatives	1	4
Ameriprise Financial | Recurring basis | Level 2 | Interest rate derivative contracts
Assets
Other assets: derivative contracts	676	1,251
Liabilities
Other liabilities: derivative contracts	434	467
Ameriprise Financial | Recurring basis | Level 2 | Equity derivative contracts
Assets
Other assets: derivative contracts	2,509	4,135
Liabilities
Other liabilities: derivative contracts	2,557	3,653
Ameriprise Financial | Recurring basis | Level 2 | Credit derivative contracts
Assets
Other assets: derivative contracts	33	9
Liabilities
Other liabilities	2
Ameriprise Financial | Recurring basis | Level 2 | Foreign exchange derivative contracts
Assets
Other assets: derivative contracts	60	19
Liabilities
Other liabilities: derivative contracts	9	0
Ameriprise Financial | Recurring basis | Level 3
Assets
Cash equivalents	0	0
Available-for-Sale securities, at fair value	618	544
Trading and other securities	0	0
Investments and cash equivalents segregated for regulatory purposes	0	0
Other assets: derivative contracts	0	0
Total assets at fair value	667	603
Liabilities
Other	61	61
Other liabilities	61	61
Total liabilities at fair value	1,469	2,914
Ameriprise Financial | Recurring basis | Level 3 | Corporate debt securities
Assets
Available-for-Sale securities, at fair value	458	502
Ameriprise Financial | Recurring basis | Level 3 | Residential mortgage backed securities
Assets
Available-for-Sale securities, at fair value	139	0
Ameriprise Financial | Recurring basis | Level 3 | Commercial mortgage backed securities
Assets
Available-for-Sale securities, at fair value	0	35
Ameriprise Financial | Recurring basis | Level 3 | Asset backed securities
Assets
Available-for-Sale securities, at fair value	21	7
Ameriprise Financial | Recurring basis | Level 3 | State and municipal obligations
Assets
Available-for-Sale securities, at fair value	0	0
Ameriprise Financial | Recurring basis | Level 3 | U.S. government and agencies obligations
Assets
Available-for-Sale securities, at fair value	0	0
Ameriprise Financial | Recurring basis | Level 3 | Foreign government bonds and obligations
Assets
Available-for-Sale securities, at fair value	0	0
Ameriprise Financial | Recurring basis | Level 3 | Other securities
Assets
Available-for-Sale securities, at fair value	0	0
Ameriprise Financial | Recurring basis | Level 3 | Fixed deferred indexed annuities ceded embedded derivatives
Assets
Receivables: embedded derivatives	49	59
Ameriprise Financial | Recurring basis | Level 3 | Policyholder account balances, future policy benefits and claims embedded derivatives
Liabilities
Liabilities embedded derivatives, net	1,408	2,853
Ameriprise Financial | Recurring basis | Level 3 | Fixed deferred indexed annuities embedded derivatives
Liabilities
Liabilities embedded derivatives	45	56
Ameriprise Financial | Recurring basis | Level 3 | IUL embedded derivatives
Liabilities
Liabilities embedded derivatives	719	905
Ameriprise Financial | Recurring basis | Level 3 | GMWB and GMAB embedded derivatives
Liabilities
Liabilities embedded derivatives, net	1,006	1,486
Ameriprise Financial | Recurring basis | Level 3 | Structured variable annuity embedded derivatives
Liabilities
Liabilities embedded derivatives	(362)	406
Ameriprise Financial | Recurring basis | Level 3 | Customer deposits - SMC embedded derivatives
Liabilities
Liabilities embedded derivatives	0	0
Ameriprise Financial | Recurring basis | Level 3 | Interest rate derivative contracts
Assets
Other assets: derivative contracts	0	0
Liabilities
Other liabilities: derivative contracts	0	0
Ameriprise Financial | Recurring basis | Level 3 | Equity derivative contracts
Assets
Other assets: derivative contracts	0	0
Liabilities
Other liabilities: derivative contracts	0	0
Ameriprise Financial | Recurring basis | Level 3 | Credit derivative contracts
Assets
Other assets: derivative contracts	0	0
Liabilities
Other liabilities	0
Ameriprise Financial | Recurring basis | Level 3 | Foreign exchange derivative contracts
Assets
Other assets: derivative contracts	0	0
Liabilities
Other liabilities: derivative contracts	$ 0	$ 0