Fair Values of Assets and Liabilities - Recurring Basis (Details) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2022	Dec. 31, 2021
Assets
Separate account assets at NAV	$ 71,722	$ 97,491
Liabilities
Embedded derivatives, net	1,156	2,862
GMWB and GMAB embedded derivatives
Assets
Receivables: embedded derivatives	224	133
Liabilities
Liabilities embedded derivatives	1,200	1,600
Ameriprise Financial
Assets
Available-for-Sale securities, at fair value	36,386	32,050
Ameriprise Financial | Corporate debt securities
Assets
Available-for-Sale securities, at fair value	8,899	9,932
Ameriprise Financial | Residential mortgage backed securities
Assets
Available-for-Sale securities, at fair value	14,404	10,944
Ameriprise Financial | Commercial mortgage backed securities
Assets
Available-for-Sale securities, at fair value	5,606	4,986
Ameriprise Financial | Asset backed securities
Assets
Available-for-Sale securities, at fair value	5,408	3,654
Ameriprise Financial | State and municipal obligations
Assets
Available-for-Sale securities, at fair value	810	1,092
Ameriprise Financial | U.S. government and agency obligations
Assets
Available-for-Sale securities, at fair value	1,173	1,301
Ameriprise Financial | Foreign government bonds and obligations
Assets
Available-for-Sale securities, at fair value	43	92
Ameriprise Financial | Other securities
Assets
Available-for-Sale securities, at fair value	43	49
Ameriprise Financial | Policyholder Account Balances, Future Policy Benefits and Claims
Liabilities
Cumulative increase (decrease) in embedded derivatives of adjustment for nonperformance risk	(778)	(598)
Ameriprise Financial | Level 3 | Corporate debt securities
Assets
Available-for-Sale securities, at fair value	403	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 annuity ceded embedded derivatives
Liabilities
Embedded derivatives, net	(47)	(59)
Ameriprise Financial | Level 3 | Fixed deferred indexed annuity embedded derivatives
Liabilities
Embedded derivatives, net	43	56
Ameriprise Financial | Level 3 | IUL embedded derivatives
Liabilities
Embedded derivatives, net	689	905
Ameriprise Financial | Level 3 | GMWB and GMAB embedded derivatives
Liabilities
Embedded derivatives, net	932	1,486
Ameriprise Financial | Level 3 | Structured variable annuity embedded derivatives
Liabilities
Embedded derivatives, net	(513)	406
Ameriprise Financial | Recurring basis
Assets
Cash equivalents	4,962	5,819
Available-for-Sale securities, at fair value	36,386	32,050
Investments at net asset value	9	11
Trading and other securities	200	242
Separate account assets at NAV	71,722	97,491
Investments and cash equivalents segregated for regulatory purposes	746	600
Other assets: derivative contracts	3,212	5,574
Total assets at fair value	117,284	141,846
Liabilities
Other	250	277
Other liabilities	3,377	4,500
Total liabilities at fair value	4,533	7,362
Ameriprise Financial | Recurring basis | Corporate debt securities
Assets
Available-for-Sale securities, at fair value	8,899	9,932
Ameriprise Financial | Recurring basis | Residential mortgage backed securities
Assets
Available-for-Sale securities, at fair value	14,404	10,944
Ameriprise Financial | Recurring basis | Commercial mortgage backed securities
Assets
Available-for-Sale securities, at fair value	5,606	4,986
Ameriprise Financial | Recurring basis | Asset backed securities
Assets
Available-for-Sale securities, at fair value	5,408	3,654
Ameriprise Financial | Recurring basis | State and municipal obligations
Assets
Available-for-Sale securities, at fair value	810	1,092
Ameriprise Financial | Recurring basis | U.S. government and agency obligations
Assets
Available-for-Sale securities, at fair value	1,173	1,301
Ameriprise Financial | Recurring basis | Foreign government bonds and obligations
Assets
Available-for-Sale securities, at fair value	43	92
Ameriprise Financial | Recurring basis | Other securities
Assets
Available-for-Sale securities, at fair value	43	49
Ameriprise Financial | Recurring basis | Fixed deferred indexed annuity ceded embedded derivatives
Assets
Receivables: embedded derivatives	47	59
Ameriprise Financial | Recurring basis | Policyholder Account Balances, Future Policy Benefits and Claims
Liabilities
Embedded derivatives, net	1,154	2,858
Ameriprise Financial | Recurring basis | Fixed deferred indexed annuity embedded derivatives
Liabilities
Embedded derivatives, net	46	61
Ameriprise Financial | Recurring basis | IUL embedded derivatives
Liabilities
Embedded derivatives, net	689	905
Ameriprise Financial | Recurring basis | GMWB and GMAB embedded derivatives
Liabilities
Embedded derivatives, net	932	1,486
Ameriprise Financial | Recurring basis | Structured variable annuity embedded derivatives
Liabilities
Embedded derivatives, net	(513)	406
Ameriprise Financial | Recurring basis | Customer deposits - SMC embedded derivatives
Liabilities
Liabilities embedded derivatives	2	4
Ameriprise Financial | Recurring basis | Interest rate derivative contracts
Assets
Other assets: derivative contracts	377	1,252
Liabilities
Other liabilities: derivative contracts	585	468
Ameriprise Financial | Recurring basis | Equity derivative contracts
Assets
Other assets: derivative contracts	2,662	4,293
Liabilities
Other liabilities: derivative contracts	2,515	3,754
Ameriprise Financial | Recurring basis | Credit derivative contracts
Assets
Other assets: derivative contracts	76	9
Liabilities
Other liabilities: derivative contracts	3
Ameriprise Financial | Recurring basis | Foreign exchange derivative contracts
Assets
Other assets: derivative contracts	97	20
Liabilities
Other liabilities: derivative contracts	24	1
Ameriprise Financial | Recurring basis | Level 1
Assets
Cash equivalents	1,369	2,341
Available-for-Sale securities, at fair value	1,173	1,301
Trading and other securities	184	217
Investments and cash equivalents segregated for regulatory purposes	746	600
Other assets: derivative contracts	153	160
Total assets at fair value	3,625	4,619
Liabilities
Other	180	212
Other liabilities	340	315
Total liabilities at fair value	340	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 agency obligations
Assets
Available-for-Sale securities, at fair value	1,173	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 annuity ceded embedded derivatives
Assets
Receivables: embedded derivatives	0	0
Ameriprise Financial | Recurring basis | Level 1 | Policyholder Account Balances, Future Policy Benefits and Claims
Liabilities
Embedded derivatives, net	0	0
Ameriprise Financial | Recurring basis | Level 1 | Fixed deferred indexed annuity embedded derivatives
Liabilities
Embedded derivatives, net	0	0
Ameriprise Financial | Recurring basis | Level 1 | IUL embedded derivatives
Liabilities
Embedded derivatives, net	0	0
Ameriprise Financial | Recurring basis | Level 1 | GMWB and GMAB embedded derivatives
Liabilities
Embedded derivatives, net	0	0
Ameriprise Financial | Recurring basis | Level 1 | Structured variable annuity embedded derivatives
Liabilities
Embedded derivatives, net	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	15	1
Liabilities
Other liabilities: derivative contracts	3	1
Ameriprise Financial | Recurring basis | Level 1 | Equity derivative contracts
Assets
Other assets: derivative contracts	137	158
Liabilities
Other liabilities: derivative contracts	155	101
Ameriprise Financial | Recurring basis | Level 1 | Credit derivative contracts
Assets
Other assets: derivative contracts	0	0
Liabilities
Other liabilities: derivative contracts	0
Ameriprise Financial | Recurring basis | Level 1 | Foreign exchange derivative contracts
Assets
Other assets: derivative contracts	1	1
Liabilities
Other liabilities: derivative contracts	2	1
Ameriprise Financial | Recurring basis | Level 2
Assets
Cash equivalents	3,593	3,478
Available-for-Sale securities, at fair value	34,540	30,205
Trading and other securities	16	25
Investments and cash equivalents segregated for regulatory purposes	0	0
Other assets: derivative contracts	3,059	5,414
Total assets at fair value	41,208	39,122
Liabilities
Other	7	4
Other liabilities	2,974	4,124
Total liabilities at fair value	2,979	4,133
Ameriprise Financial | Recurring basis | Level 2 | Corporate debt securities
Assets
Available-for-Sale securities, at fair value	8,496	9,430
Ameriprise Financial | Recurring basis | Level 2 | Residential mortgage backed securities
Assets
Available-for-Sale securities, at fair value	14,158	10,944
Ameriprise Financial | Recurring basis | Level 2 | Commercial mortgage backed securities
Assets
Available-for-Sale securities, at fair value	5,606	4,951
Ameriprise Financial | Recurring basis | Level 2 | Asset backed securities
Assets
Available-for-Sale securities, at fair value	5,384	3,647
Ameriprise Financial | Recurring basis | Level 2 | State and municipal obligations
Assets
Available-for-Sale securities, at fair value	810	1,092
Ameriprise Financial | Recurring basis | Level 2 | U.S. government and agency 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	43	92
Ameriprise Financial | Recurring basis | Level 2 | Other securities
Assets
Available-for-Sale securities, at fair value	43	49
Ameriprise Financial | Recurring basis | Level 2 | Fixed deferred indexed annuity ceded embedded derivatives
Assets
Receivables: embedded derivatives	0	0
Ameriprise Financial | Recurring basis | Level 2 | Policyholder Account Balances, Future Policy Benefits and Claims
Liabilities
Embedded derivatives, net	3	5
Ameriprise Financial | Recurring basis | Level 2 | Fixed deferred indexed annuity embedded derivatives
Liabilities
Embedded derivatives, net	3	5
Ameriprise Financial | Recurring basis | Level 2 | IUL embedded derivatives
Liabilities
Embedded derivatives, net	0	0
Ameriprise Financial | Recurring basis | Level 2 | GMWB and GMAB embedded derivatives
Liabilities
Embedded derivatives, net	0	0
Ameriprise Financial | Recurring basis | Level 2 | Structured variable annuity embedded derivatives
Liabilities
Embedded derivatives, net	0	0
Ameriprise Financial | Recurring basis | Level 2 | Customer deposits - SMC embedded derivatives
Liabilities
Liabilities embedded derivatives	2	4
Ameriprise Financial | Recurring basis | Level 2 | Interest rate derivative contracts
Assets
Other assets: derivative contracts	362	1,251
Liabilities
Other liabilities: derivative contracts	582	467
Ameriprise Financial | Recurring basis | Level 2 | Equity derivative contracts
Assets
Other assets: derivative contracts	2,525	4,135
Liabilities
Other liabilities: derivative contracts	2,360	3,653
Ameriprise Financial | Recurring basis | Level 2 | Credit derivative contracts
Assets
Other assets: derivative contracts	76	9
Liabilities
Other liabilities: derivative contracts	3
Ameriprise Financial | Recurring basis | Level 2 | Foreign exchange derivative contracts
Assets
Other assets: derivative contracts	96	19
Liabilities
Other liabilities: derivative contracts	22	0
Ameriprise Financial | Recurring basis | Level 3
Assets
Cash equivalents	0	0
Available-for-Sale securities, at fair value	673	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	720	603
Liabilities
Other	63	61
Other liabilities	63	61
Total liabilities at fair value	1,214	2,914
Ameriprise Financial | Recurring basis | Level 3 | Corporate debt securities
Assets
Available-for-Sale securities, at fair value	403	502
Ameriprise Financial | Recurring basis | Level 3 | Residential mortgage backed securities
Assets
Available-for-Sale securities, at fair value	246	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	24	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 agency 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 annuity ceded embedded derivatives
Assets
Receivables: embedded derivatives	47	59
Ameriprise Financial | Recurring basis | Level 3 | Policyholder Account Balances, Future Policy Benefits and Claims
Liabilities
Embedded derivatives, net	1,151	2,853
Ameriprise Financial | Recurring basis | Level 3 | Fixed deferred indexed annuity embedded derivatives
Liabilities
Embedded derivatives, net	43	56
Ameriprise Financial | Recurring basis | Level 3 | IUL embedded derivatives
Liabilities
Embedded derivatives, net	689	905
Ameriprise Financial | Recurring basis | Level 3 | GMWB and GMAB embedded derivatives
Liabilities
Embedded derivatives, net	932	1,486
Ameriprise Financial | Recurring basis | Level 3 | Structured variable annuity embedded derivatives
Liabilities
Embedded derivatives, net	(513)	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: derivative contracts	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