Fair Values of Assets and Liabilities - Recurring Basis (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022		Sep. 30, 2022	Dec. 31, 2021
Assets
Separate account assets at NAV	$ 72,354	$ 73,962	[1]
Market risk benefits	1,644	1,015	[1]	$ 845	$ 539
Liabilities
Liabilities: embedded derivatives, net	1,143	653
Market risk benefits	1,525	2,118	[1]	$ 2,337	$ 3,440
Ameriprise Financial
Assets
Available-for-Sale securities, at fair value	48,193	40,811
Ameriprise Financial | Corporate debt securities
Assets
Available-for-Sale securities, at fair value	11,287	9,698
Ameriprise Financial | Residential mortgage backed securities
Assets
Available-for-Sale securities, at fair value	19,289	15,703
Ameriprise Financial | Commercial mortgage backed securities
Assets
Available-for-Sale securities, at fair value	6,041	6,212
Ameriprise Financial | Asset backed securities
Assets
Available-for-Sale securities, at fair value	8,299	6,264
Ameriprise Financial | State and municipal obligations
Assets
Available-for-Sale securities, at fair value	729	797
Ameriprise Financial | U.S. government and agencies obligations
Assets
Available-for-Sale securities, at fair value	2,466	2,079
Ameriprise Financial | Foreign government bonds and obligations
Assets
Available-for-Sale securities, at fair value	17	41
Ameriprise Financial | Other securities
Assets
Available-for-Sale securities, at fair value	65	17
Ameriprise Financial | Policyholder account balances, future policy benefits and claims embedded derivatives
Liabilities
Cumulative increase (decrease) in embedded derivatives of adjustment for nonperformance risk	(184)	(139)
Ameriprise Financial | Level 3 | Corporate debt securities
Assets
Available-for-Sale securities, at fair value	460	404
Ameriprise Financial | Level 3 | Asset backed securities
Assets
Available-for-Sale securities, at fair value	1	1
Ameriprise Financial | Level 3 | Fixed deferred indexed annuities ceded embedded derivatives
Assets
Receivables: embedded derivatives	48	48
Ameriprise Financial | Level 3 | Fixed deferred indexed annuities embedded derivatives
Liabilities
Liabilities: embedded derivatives	45	44
Ameriprise Financial | Level 3 | IUL embedded derivatives
Liabilities
Liabilities: embedded derivatives	787	739
Ameriprise Financial | Level 3 | Structured variable annuity embedded derivatives
Liabilities
Liabilities: embedded derivatives, net	300	(137)
Ameriprise Financial | Recurring basis
Assets
Cash equivalents	4,787	5,103
Available-for-Sale securities, at fair value	48,193	40,811
Investments at net asset value	10	9
Trading and other securities	244	227
Separate account assets at NAV	72,354	73,962
Investments and cash equivalents segregated for regulatory purposes	718	646
Market risk benefits	1,644	1,015
Other assets: derivative contracts	4,292	3,020
Total assets at fair value	132,290	124,841
Liabilities
Market risk benefits	1,525	2,118
Other	312	272
Other liabilities	3,523	3,020
Total liabilities at fair value	6,191	5,791
Ameriprise Financial | Recurring basis | Corporate debt securities
Assets
Available-for-Sale securities, at fair value	11,287	9,698
Ameriprise Financial | Recurring basis | Residential mortgage backed securities
Assets
Available-for-Sale securities, at fair value	19,289	15,703
Ameriprise Financial | Recurring basis | Commercial mortgage backed securities
Assets
Available-for-Sale securities, at fair value	6,041	6,212
Ameriprise Financial | Recurring basis | Asset backed securities
Assets
Available-for-Sale securities, at fair value	8,299	6,264
Ameriprise Financial | Recurring basis | State and municipal obligations
Assets
Available-for-Sale securities, at fair value	729	797
Ameriprise Financial | Recurring basis | U.S. government and agencies obligations
Assets
Available-for-Sale securities, at fair value	2,466	2,079
Ameriprise Financial | Recurring basis | Foreign government bonds and obligations
Assets
Available-for-Sale securities, at fair value	17	41
Ameriprise Financial | Recurring basis | Other securities
Assets
Available-for-Sale securities, at fair value	65	17
Ameriprise Financial | Recurring basis | Fixed deferred indexed annuities ceded embedded derivatives
Assets
Receivables: embedded derivatives	48	48
Ameriprise Financial | Recurring basis | Policyholder account balances, future policy benefits and claims embedded derivatives
Liabilities
Liabilities: embedded derivatives, net	1,135	649
Ameriprise Financial | Recurring basis | Fixed deferred indexed annuities embedded derivatives
Liabilities
Liabilities: embedded derivatives	48	47
Ameriprise Financial | Recurring basis | IUL embedded derivatives
Liabilities
Liabilities: embedded derivatives	787	739
Ameriprise Financial | Recurring basis | Structured variable annuity embedded derivatives
Liabilities
Liabilities: embedded derivatives, net	300	(137)
Ameriprise Financial | Recurring basis | Customer deposits - SMC embedded derivatives
Liabilities
Liabilities: embedded derivatives	8	4
Ameriprise Financial | Recurring basis | Interest rate derivative contracts
Assets
Other assets: derivative contracts	257	267
Liabilities
Other liabilities: derivative contracts	496	355
Ameriprise Financial | Recurring basis | Equity derivative contracts
Assets
Other assets: derivative contracts	3,909	2,704
Liabilities
Other liabilities: derivative contracts	2,709	2,377
Ameriprise Financial | Recurring basis | Credit derivative contracts
Assets
Other assets: derivative contracts	95	13
Liabilities
Other liabilities: derivative contracts	1	2
Ameriprise Financial | Recurring basis | Foreign exchange derivative contracts
Assets
Other assets: derivative contracts	31	36
Liabilities
Other liabilities: derivative contracts	5	14
Ameriprise Financial | Recurring basis | Level 1
Assets
Cash equivalents	790	1,268
Available-for-Sale securities, at fair value	2,366	2,079
Trading and other securities	229	211
Investments and cash equivalents segregated for regulatory purposes	718	646
Market risk benefits	0	0
Other assets: derivative contracts	109	136
Total assets at fair value	4,212	4,340
Liabilities
Market risk benefits	0	0
Other	228	205
Other liabilities	306	354
Total liabilities at fair value	306	354
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	2,366	2,079
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 | Structured variable annuity embedded derivatives
Liabilities
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	2	7
Liabilities
Other liabilities: derivative contracts	3	4
Ameriprise Financial | Recurring basis | Level 1 | Equity derivative contracts
Assets
Other assets: derivative contracts	107	129
Liabilities
Other liabilities: derivative contracts	74	139
Ameriprise Financial | Recurring basis | Level 1 | Credit derivative contracts
Assets
Other assets: derivative contracts	0	0
Liabilities
Other liabilities: derivative contracts	0	0
Ameriprise Financial | Recurring basis | Level 1 | Foreign exchange derivative contracts
Assets
Other assets: derivative contracts	0	0
Liabilities
Other liabilities: derivative contracts	1	6
Ameriprise Financial | Recurring basis | Level 2
Assets
Cash equivalents	3,997	3,835
Available-for-Sale securities, at fair value	45,363	38,321
Trading and other securities	15	16
Investments and cash equivalents segregated for regulatory purposes	0	0
Market risk benefits	0	0
Other assets: derivative contracts	4,183	2,884
Total assets at fair value	53,558	45,056
Liabilities
Market risk benefits	0	0
Other	7	5
Other liabilities	3,140	2,604
Total liabilities at fair value	3,151	2,611
Ameriprise Financial | Recurring basis | Level 2 | Corporate debt securities
Assets
Available-for-Sale securities, at fair value	10,826	9,293
Ameriprise Financial | Recurring basis | Level 2 | Residential mortgage backed securities
Assets
Available-for-Sale securities, at fair value	19,289	15,703
Ameriprise Financial | Recurring basis | Level 2 | Commercial mortgage backed securities
Assets
Available-for-Sale securities, at fair value	6,041	6,212
Ameriprise Financial | Recurring basis | Level 2 | Asset backed securities
Assets
Available-for-Sale securities, at fair value	8,296	6,258
Ameriprise Financial | Recurring basis | Level 2 | State and municipal obligations
Assets
Available-for-Sale securities, at fair value	729	797
Ameriprise Financial | Recurring basis | Level 2 | U.S. government and agencies obligations
Assets
Available-for-Sale securities, at fair value	100	0
Ameriprise Financial | Recurring basis | Level 2 | Foreign government bonds and obligations
Assets
Available-for-Sale securities, at fair value	17	41
Ameriprise Financial | Recurring basis | Level 2 | Other securities
Assets
Available-for-Sale securities, at fair value	65	17
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	3
Ameriprise Financial | Recurring basis | Level 2 | Fixed deferred indexed annuities embedded derivatives
Liabilities
Liabilities: embedded derivatives	3	3
Ameriprise Financial | Recurring basis | Level 2 | IUL embedded derivatives
Liabilities
Liabilities: embedded derivatives	0	0
Ameriprise Financial | Recurring basis | Level 2 | Structured variable annuity embedded derivatives
Liabilities
Liabilities: embedded derivatives, net	0	0
Ameriprise Financial | Recurring basis | Level 2 | Customer deposits - SMC embedded derivatives
Liabilities
Liabilities: embedded derivatives	8	4
Ameriprise Financial | Recurring basis | Level 2 | Interest rate derivative contracts
Assets
Other assets: derivative contracts	255	260
Liabilities
Other liabilities: derivative contracts	493	351
Ameriprise Financial | Recurring basis | Level 2 | Equity derivative contracts
Assets
Other assets: derivative contracts	3,802	2,575
Liabilities
Other liabilities: derivative contracts	2,635	2,238
Ameriprise Financial | Recurring basis | Level 2 | Credit derivative contracts
Assets
Other assets: derivative contracts	95	13
Liabilities
Other liabilities: derivative contracts	1	2
Ameriprise Financial | Recurring basis | Level 2 | Foreign exchange derivative contracts
Assets
Other assets: derivative contracts	31	36
Liabilities
Other liabilities: derivative contracts	4	8
Ameriprise Financial | Recurring basis | Level 3
Assets
Cash equivalents	0	0
Available-for-Sale securities, at fair value	464	411
Trading and other securities	0	0
Investments and cash equivalents segregated for regulatory purposes	0	0
Market risk benefits	1,644	1,015
Other assets: derivative contracts	0	0
Total assets at fair value	2,156	1,474
Liabilities
Market risk benefits	1,525	2,118
Other	77	62
Other liabilities	77	62
Total liabilities at fair value	2,734	2,826
Ameriprise Financial | Recurring basis | Level 3 | Corporate debt securities
Assets
Available-for-Sale securities, at fair value	461	405
Ameriprise Financial | Recurring basis | Level 3 | Residential mortgage backed securities
Assets
Available-for-Sale securities, at fair value	0	0
Ameriprise Financial | Recurring basis | Level 3 | Commercial mortgage backed securities
Assets
Available-for-Sale securities, at fair value	0	0
Ameriprise Financial | Recurring basis | Level 3 | Asset backed securities
Assets
Available-for-Sale securities, at fair value	3	6
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	48	48
Ameriprise Financial | Recurring basis | Level 3 | Policyholder account balances, future policy benefits and claims embedded derivatives
Liabilities
Liabilities: embedded derivatives, net	1,132	646
Ameriprise Financial | Recurring basis | Level 3 | Fixed deferred indexed annuities embedded derivatives
Liabilities
Liabilities: embedded derivatives	45	44
Ameriprise Financial | Recurring basis | Level 3 | IUL embedded derivatives
Liabilities
Liabilities: embedded derivatives	787	739
Ameriprise Financial | Recurring basis | Level 3 | Structured variable annuity embedded derivatives
Liabilities
Liabilities: embedded derivatives, net	300	(137)
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	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

[1] Certain prior period amounts have been restated. See Note 3 for more information.