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Fair Values of Assets and Liabilities - Recurring Basis (Details) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023	Jun. 30, 2023
Assets
Separate account assets at NAV	$ 79,098	$ 77,457
Market risk benefits	2,082	1,427	$ 1,346
Liabilities
Liabilities: embedded derivatives, net	2,905	1,945
Market risk benefits	1,252	1,762	$ 1,706
Ameriprise Financial
Assets
Available-for-Sale securities, at fair value	51,695	51,562
Ameriprise Financial | Corporate debt securities
Assets
Available-for-Sale securities, at fair value	12,932	12,576
Ameriprise Financial | Residential mortgage backed securities
Assets
Available-for-Sale securities, at fair value	21,754	21,066
Ameriprise Financial | Commercial mortgage backed securities
Assets
Available-for-Sale securities, at fair value	5,663	6,050
Ameriprise Financial | Asset backed securities
Assets
Available-for-Sale securities, at fair value	7,830	8,319
Ameriprise Financial | State and municipal obligations
Assets
Available-for-Sale securities, at fair value	736	760
Ameriprise Financial | U.S. government and agencies obligations
Assets
Available-for-Sale securities, at fair value	2,762	2,740
Ameriprise Financial | Foreign government bonds and obligations
Assets
Available-for-Sale securities, at fair value	18	18
Ameriprise Financial | Other securities
Assets
Available-for-Sale securities, at fair value		33
Ameriprise Financial | Policyholder account balances, future policy benefits and claims embedded derivatives
Liabilities
Cumulative increase (decrease) in embedded derivatives of adjustment for nonperformance risk	(216)	(195)
Ameriprise Financial | Level 3 | Corporate debt securities
Assets
Available-for-Sale securities, at fair value	544	469
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	55	51
Ameriprise Financial | Level 3 | Fixed deferred indexed annuities embedded derivatives
Liabilities
Liabilities: embedded derivatives	52	49
Ameriprise Financial | Level 3 | IUL embedded derivatives
Liabilities
Liabilities: embedded derivatives	944	873
Ameriprise Financial | Level 3 | Structured variable annuity embedded derivatives
Liabilities
Liabilities: embedded derivatives, net	1,896	1,011
Ameriprise Financial | Recurring basis
Assets
Cash equivalents	5,016	5,029
Available-for-Sale securities, at fair value	51,695	51,562
Investments at net asset value	11	10
Trading and other securities	325	290
Separate account assets at NAV	79,098	77,457
Investments and cash equivalents segregated for regulatory purposes	685	699
Market risk benefits	2,082	1,427
Other assets: derivative contracts	7,417	5,245
Total assets at fair value	146,384	141,770
Liabilities
Market risk benefits	1,252	1,762
Other	362	338
Other liabilities	5,387	4,221
Total liabilities at fair value	9,544	7,928
Ameriprise Financial | Recurring basis | Corporate debt securities
Assets
Available-for-Sale securities, at fair value	12,932	12,576
Ameriprise Financial | Recurring basis | Residential mortgage backed securities
Assets
Available-for-Sale securities, at fair value	21,754	21,066
Ameriprise Financial | Recurring basis | Commercial mortgage backed securities
Assets
Available-for-Sale securities, at fair value	5,663	6,050
Ameriprise Financial | Recurring basis | Asset backed securities
Assets
Available-for-Sale securities, at fair value	7,830	8,319
Ameriprise Financial | Recurring basis | State and municipal obligations
Assets
Available-for-Sale securities, at fair value	736	760
Ameriprise Financial | Recurring basis | U.S. government and agencies obligations
Assets
Available-for-Sale securities, at fair value	2,762	2,740
Ameriprise Financial | Recurring basis | Foreign government bonds and obligations
Assets
Available-for-Sale securities, at fair value	18	18
Ameriprise Financial | Recurring basis | Other securities
Assets
Available-for-Sale securities, at fair value		33
Ameriprise Financial | Recurring basis | Fixed deferred indexed annuities ceded embedded derivatives
Assets
Receivables: embedded derivatives	55	51
Ameriprise Financial | Recurring basis | Policyholder account balances, future policy benefits and claims embedded derivatives
Liabilities
Liabilities: embedded derivatives, net	2,896	1,936
Ameriprise Financial | Recurring basis | Fixed deferred indexed annuities embedded derivatives
Liabilities
Liabilities: embedded derivatives	56	52
Ameriprise Financial | Recurring basis | IUL embedded derivatives
Liabilities
Liabilities: embedded derivatives	944	873
Ameriprise Financial | Recurring basis | Structured variable annuity embedded derivatives
Liabilities
Liabilities: embedded derivatives, net	1,896	1,011
Ameriprise Financial | Recurring basis | Customer deposits - SMC embedded derivatives
Liabilities
Liabilities: embedded derivatives	9	9
Ameriprise Financial | Recurring basis | Interest rate derivative contracts
Assets
Other assets: derivative contracts	218	185
Liabilities
Other liabilities: derivative contracts	396	305
Ameriprise Financial | Recurring basis | Equity derivative contracts
Assets
Other assets: derivative contracts	7,162	5,034
Liabilities
Other liabilities: derivative contracts	4,605	3,464
Ameriprise Financial | Recurring basis | Credit derivative contracts
Assets
Other assets: derivative contracts	1	4
Liabilities
Other liabilities: derivative contracts	18	107
Ameriprise Financial | Recurring basis | Foreign exchange derivative contracts
Assets
Other assets: derivative contracts	36	22
Liabilities
Other liabilities: derivative contracts	6	7
Ameriprise Financial | Recurring basis | Level 1
Assets
Cash equivalents	1,176	704
Available-for-Sale securities, at fair value	2,762	2,740
Trading and other securities	301	265
Investments and cash equivalents segregated for regulatory purposes	685	699
Market risk benefits	0	0
Other assets: derivative contracts	114	68
Total assets at fair value	5,038	4,476
Liabilities
Market risk benefits	0	0
Other	290	259
Other liabilities	418	357
Total liabilities at fair value	418	357
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	2,762	2,740
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
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	0	1
Liabilities
Other liabilities: derivative contracts	1	1
Ameriprise Financial | Recurring basis | Level 1 | Equity derivative contracts
Assets
Other assets: derivative contracts	114	66
Liabilities
Other liabilities: derivative contracts	127	96
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	1
Liabilities
Other liabilities: derivative contracts	0	1
Ameriprise Financial | Recurring basis | Level 2
Assets
Cash equivalents	3,840	4,325
Available-for-Sale securities, at fair value	48,308	48,352
Trading and other securities	24	25
Investments and cash equivalents segregated for regulatory purposes	0	0
Market risk benefits	0	0
Other assets: derivative contracts	7,303	5,177
Total assets at fair value	59,475	57,879
Liabilities
Market risk benefits	0	0
Other	3	3
Other liabilities	4,900	3,788
Total liabilities at fair value	4,913	3,800
Ameriprise Financial | Recurring basis | Level 2 | Corporate debt securities
Assets
Available-for-Sale securities, at fair value	12,388	12,107
Ameriprise Financial | Recurring basis | Level 2 | Residential mortgage backed securities
Assets
Available-for-Sale securities, at fair value	21,697	21,066
Ameriprise Financial | Recurring basis | Level 2 | Commercial mortgage backed securities
Assets
Available-for-Sale securities, at fair value	5,663	6,050
Ameriprise Financial | Recurring basis | Level 2 | Asset backed securities
Assets
Available-for-Sale securities, at fair value	7,806	8,318
Ameriprise Financial | Recurring basis | Level 2 | State and municipal obligations
Assets
Available-for-Sale securities, at fair value	736	760
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	18	18
Ameriprise Financial | Recurring basis | Level 2 | Other securities
Assets
Available-for-Sale securities, at fair value		33
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	4	3
Ameriprise Financial | Recurring basis | Level 2 | Fixed deferred indexed annuities embedded derivatives
Liabilities
Liabilities: embedded derivatives	4	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	9	9
Ameriprise Financial | Recurring basis | Level 2 | Interest rate derivative contracts
Assets
Other assets: derivative contracts	218	184
Liabilities
Other liabilities: derivative contracts	395	304
Ameriprise Financial | Recurring basis | Level 2 | Equity derivative contracts
Assets
Other assets: derivative contracts	7,048	4,968
Liabilities
Other liabilities: derivative contracts	4,478	3,368
Ameriprise Financial | Recurring basis | Level 2 | Credit derivative contracts
Assets
Other assets: derivative contracts	1	4
Liabilities
Other liabilities: derivative contracts	18	107
Ameriprise Financial | Recurring basis | Level 2 | Foreign exchange derivative contracts
Assets
Other assets: derivative contracts	36	21
Liabilities
Other liabilities: derivative contracts	6	6
Ameriprise Financial | Recurring basis | Level 3
Assets
Cash equivalents	0	0
Available-for-Sale securities, at fair value	625	470
Trading and other securities	0	0
Investments and cash equivalents segregated for regulatory purposes	0	0
Market risk benefits	2,082	1,427
Other assets: derivative contracts	0	0
Total assets at fair value	2,762	1,948
Liabilities
Market risk benefits	1,252	1,762
Other	69	76
Other liabilities	69	76
Total liabilities at fair value	4,213	3,771
Ameriprise Financial | Recurring basis | Level 3 | Corporate debt securities
Assets
Available-for-Sale securities, at fair value	544	469
Ameriprise Financial | Recurring basis | Level 3 | Residential mortgage backed securities
Assets
Available-for-Sale securities, at fair value	57	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	24	1
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
Ameriprise Financial | Recurring basis | Level 3 | Fixed deferred indexed annuities ceded embedded derivatives
Assets
Receivables: embedded derivatives	55	51
Ameriprise Financial | Recurring basis | Level 3 | Policyholder account balances, future policy benefits and claims embedded derivatives
Liabilities
Liabilities: embedded derivatives, net	2,892	1,933
Ameriprise Financial | Recurring basis | Level 3 | Fixed deferred indexed annuities embedded derivatives
Liabilities
Liabilities: embedded derivatives	52	49
Ameriprise Financial | Recurring basis | Level 3 | IUL embedded derivatives
Liabilities
Liabilities: embedded derivatives	944	873
Ameriprise Financial | Recurring basis | Level 3 | Structured variable annuity embedded derivatives
Liabilities
Liabilities: embedded derivatives, net	1,896	1,011
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

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