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Fair Values of Assets and Liabilities - Recurring Basis (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Assets
Separate account assets at NAV	$ 78,114	$ 77,457
Market risk benefits	2,182	1,427	$ 1,015
Other assets: derivative contracts	9,239	5,245
Liabilities
Liabilities embedded derivatives, net	(3,523)	(1,945)
Market risk benefits	1,263	1,762	$ 2,118
Other liabilities: derivative contracts	5,703	3,883
Ameriprise Financial
Assets
Available-for-Sale securities, at fair value	52,153	51,562
Ameriprise Financial | Corporate debt securities
Assets
Available-for-Sale securities, at fair value	13,999	12,576
Ameriprise Financial | Residential mortgage backed securities
Assets
Available-for-Sale securities, at fair value	23,344	21,066
Ameriprise Financial | Commercial mortgage backed securities
Assets
Available-for-Sale securities, at fair value	5,126	6,050
Ameriprise Financial | Asset backed securities
Assets
Available-for-Sale securities, at fair value	6,442	8,319
Ameriprise Financial | State and municipal obligations
Assets
Available-for-Sale securities, at fair value	638	760
Ameriprise Financial | U.S. government and agency obligations
Assets
Available-for-Sale securities, at fair value	2,591	2,740
Ameriprise Financial | Foreign government bonds and obligations
Assets
Available-for-Sale securities, at fair value	13	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 due to nonperformance	(211)	(195)
Ameriprise Financial | Level 3 | Corporate debt securities
Assets
Available-for-Sale securities, at fair value	583	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	53	49
Ameriprise Financial | Level 3 | IUL embedded derivatives
Liabilities
Liabilities embedded derivatives	1,002	873
Ameriprise Financial | Level 3 | Structured variable annuity embedded derivatives
Liabilities
Liabilities embedded derivatives, net	2,461	1,011
Ameriprise Financial | Recurring basis
Assets
Cash equivalents	5,030	5,029
Available-for-Sale securities, at fair value	52,153	51,562
Investments at net asset value	12	10
Trading and other securities	346	290
Separate account assets at NAV	78,114	77,457
Investments and cash equivalents segregated for regulatory purposes	557	699
Market risk benefits	2,182	1,427
Other assets: derivative contracts	9,239	5,245
Total assets at fair value	147,688	141,770
Liabilities
Market risk benefits	1,263	1,762
Other	390	338
Other liabilities	6,093	4,221
Total liabilities at fair value	10,879	7,928
Ameriprise Financial | Recurring basis | Corporate debt securities
Assets
Available-for-Sale securities, at fair value	13,999	12,576
Ameriprise Financial | Recurring basis | Residential mortgage backed securities
Assets
Available-for-Sale securities, at fair value	23,344	21,066
Ameriprise Financial | Recurring basis | Commercial mortgage backed securities
Assets
Available-for-Sale securities, at fair value	5,126	6,050
Ameriprise Financial | Recurring basis | Asset backed securities
Assets
Available-for-Sale securities, at fair value	6,442	8,319
Ameriprise Financial | Recurring basis | State and municipal obligations
Assets
Available-for-Sale securities, at fair value	638	760
Ameriprise Financial | Recurring basis | U.S. government and agency obligations
Assets
Available-for-Sale securities, at fair value	2,591	2,740
Ameriprise Financial | Recurring basis | Foreign government bonds and obligations
Assets
Available-for-Sale securities, at fair value	13	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	3,516	1,936
Ameriprise Financial | Recurring basis | Fixed deferred indexed annuities embedded derivatives
Liabilities
Liabilities embedded derivatives	53	52
Ameriprise Financial | Recurring basis | IUL embedded derivatives
Liabilities
Liabilities embedded derivatives	1,002	873
Ameriprise Financial | Recurring basis | Structured variable annuity embedded derivatives
Liabilities
Liabilities embedded derivatives, net	2,461	1,011
Ameriprise Financial | Recurring basis | Customer deposits - SMC embedded derivatives
Liabilities
Liabilities embedded derivatives	7	9
Ameriprise Financial | Recurring basis | Interest rate derivative contracts
Assets
Other assets: derivative contracts	180	185
Liabilities
Other liabilities: derivative contracts	324	305
Ameriprise Financial | Recurring basis | Equity derivate dontracts
Assets
Other assets: derivative contracts	8,957	5,034
Liabilities
Other liabilities: derivative contracts	5,362	3,464
Ameriprise Financial | Recurring basis | Credit derivative contracts
Assets
Other assets: derivative contracts	59	4
Liabilities
Other liabilities: derivative contracts	4	107
Ameriprise Financial | Recurring basis | Foreign exchange derivative contracts
Assets
Other assets: derivative contracts	43	22
Liabilities
Other liabilities: derivative contracts	13	7
Ameriprise Financial | Recurring basis | Level 1
Assets
Cash equivalents	2,526	704
Available-for-Sale securities, at fair value	2,591	2,740
Trading and other securities	321	265
Investments and cash equivalents segregated for regulatory purposes	557	699
Market risk benefits	0	0
Other assets: derivative contracts	116	68
Total assets at fair value	6,111	4,476
Liabilities
Market risk benefits	0	0
Other	314	259
Other liabilities	488	357
Total liabilities at fair value	488	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 agency obligations
Assets
Available-for-Sale securities, at fair value	2,591	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 derivate dontracts
Assets
Other assets: derivative contracts	114	66
Liabilities
Other liabilities: derivative contracts	173	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	2	1
Liabilities
Other liabilities: derivative contracts	0	1
Ameriprise Financial | Recurring basis | Level 2
Assets
Cash equivalents	2,504	4,325
Available-for-Sale securities, at fair value	48,815	48,352
Trading and other securities	25	25
Investments and cash equivalents segregated for regulatory purposes	0	0
Market risk benefits	0	0
Other assets: derivative contracts	9,123	5,177
Total assets at fair value	60,467	57,879
Liabilities
Market risk benefits	0	0
Other	8	3
Other liabilities	5,537	3,788
Total liabilities at fair value	5,544	3,800
Ameriprise Financial | Recurring basis | Level 2 | Corporate debt securities
Assets
Available-for-Sale securities, at fair value	13,416	12,107
Ameriprise Financial | Recurring basis | Level 2 | Residential mortgage backed securities
Assets
Available-for-Sale securities, at fair value	23,306	21,066
Ameriprise Financial | Recurring basis | Level 2 | Commercial mortgage backed securities
Assets
Available-for-Sale securities, at fair value	5,126	6,050
Ameriprise Financial | Recurring basis | Level 2 | Asset backed securities
Assets
Available-for-Sale securities, at fair value	6,316	8,318
Ameriprise Financial | Recurring basis | Level 2 | State and municipal obligations
Assets
Available-for-Sale securities, at fair value	638	760
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	13	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	0	3
Ameriprise Financial | Recurring basis | Level 2 | Fixed deferred indexed annuities embedded derivatives
Liabilities
Liabilities embedded derivatives	0	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	7	9
Ameriprise Financial | Recurring basis | Level 2 | Interest rate derivative contracts
Assets
Other assets: derivative contracts	180	184
Liabilities
Other liabilities: derivative contracts	323	304
Ameriprise Financial | Recurring basis | Level 2 | Equity derivate dontracts
Assets
Other assets: derivative contracts	8,843	4,968
Liabilities
Other liabilities: derivative contracts	5,189	3,368
Ameriprise Financial | Recurring basis | Level 2 | Credit derivative contracts
Assets
Other assets: derivative contracts	59	4
Liabilities
Other liabilities: derivative contracts	4	107
Ameriprise Financial | Recurring basis | Level 2 | Foreign exchange derivative contracts
Assets
Other assets: derivative contracts	41	21
Liabilities
Other liabilities: derivative contracts	13	6
Ameriprise Financial | Recurring basis | Level 3
Assets
Cash equivalents	0	0
Available-for-Sale securities, at fair value	747	470
Trading and other securities	0	0
Investments and cash equivalents segregated for regulatory purposes	0	0
Market risk benefits	2,182	1,427
Other assets: derivative contracts	0	0
Total assets at fair value	2,984	1,948
Liabilities
Market risk benefits	1,263	1,762
Other	68	76
Other liabilities	68	76
Total liabilities at fair value	4,847	3,771
Ameriprise Financial | Recurring basis | Level 3 | Corporate debt securities
Assets
Available-for-Sale securities, at fair value	583	469
Ameriprise Financial | Recurring basis | Level 3 | Residential mortgage backed securities
Assets
Available-for-Sale securities, at fair value	38	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	126	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 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
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	3,516	1,933
Ameriprise Financial | Recurring basis | Level 3 | Fixed deferred indexed annuities embedded derivatives
Liabilities
Liabilities embedded derivatives	53	49
Ameriprise Financial | Recurring basis | Level 3 | IUL embedded derivatives
Liabilities
Liabilities embedded derivatives	1,002	873
Ameriprise Financial | Recurring basis | Level 3 | Structured variable annuity embedded derivatives
Liabilities
Liabilities embedded derivatives, net	2,461	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 derivate dontracts
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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