Fair Value Measurement - Fair Value Level 3 Rollforward Recurring Basis (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Variable Interest Liabilities
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair value at start of period	$ (282)	$ (320)	$ (289)	$ (333)
Total Pretax Realized And Unrealized Gains (Losses) Recorded As Liabilities [Abstract]
Net income (loss)	8	2	34	(5)
Other comprehensive income (loss)	(4)	2	(1)	(1)
Issuances	0	0	0	0
Sales	0		0
Settlements	27	15	92	38
Consolidations	0		(102)
Deconsolidations			15
Fair value at end of period	(251)	(301)	(251)	(301)
Change in unrealized gains/(losses) included in earnings related to financial instruments	8	2	57	(4)
Change in unrealized gains/(losses) included in OCI related to financial instruments	(4)	2	(1)	(1)
Liabilities of CIVs
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair value at start of period	(3,987)	(2,385)	(3,705)	(1,227)
Total Pretax Realized And Unrealized Gains (Losses) Recorded As Liabilities [Abstract]
Net income (loss)	(31)	4	264	2
Other comprehensive income (loss)	41	0	97	0
Issuances	(8)	(989)	(1,416)	(2,147)
Sales	2		2
Settlements	0	374	401	376
Consolidations	(26)		(26)
Deconsolidations			374
Fair value at end of period	(4,009)	(2,996)	(4,009)	(2,996)
Change in unrealized gains/(losses) included in earnings related to financial instruments	(13)	1	289	5
Change in unrealized gains/(losses) included in OCI related to financial instruments	41		97
FG VIEs’ Assets
Fair Value Level 3 Rollforward
Fair value at beginning of period	223	287	260	296
Total pre-tax realized and unrealized gains (losses) recorded in:
Net income (loss)	3	2	0	20
Other comprehensive income (loss)	0	0	0	0
Purchases	0	0	0	0
Sales	0	0	0	0
Settlements	(16)	(18)	(50)	(45)
Consolidations			15
Deconsolidations			(15)
Fair value at end of period	210	271	210	271
Change in unrealized gains/(losses) related to financial instruments held	3	2	1	21
Assets of Consolidated Investment Vehicles | Corporate securities
Fair Value Level 3 Rollforward
Fair value at beginning of period	90		91
Total pre-tax realized and unrealized gains (losses) recorded in:
Net income (loss)	(2)		4
Other comprehensive income (loss)	0		0
Purchases	1		2
Sales	(2)		(10)
Settlements	0		0
Consolidations			0
Deconsolidations			0
Fair value at end of period	87		87
Change in unrealized gains/(losses) related to financial instruments held	(2)		3
Assets of Consolidated Investment Vehicles | Equity securities and warrants
Fair Value Level 3 Rollforward
Fair value at beginning of period	258		239
Total pre-tax realized and unrealized gains (losses) recorded in:
Net income (loss)	(11)		15
Other comprehensive income (loss)	0		0
Purchases	52		57
Sales	(2)		(14)
Settlements	0		0
Consolidations			0
Deconsolidations			0
Fair value at end of period	297		297
Change in unrealized gains/(losses) related to financial instruments held	(11)		7
Assets of Consolidated Investment Vehicles | Assets of CIVs- Equity Securities
Fair Value Level 3 Rollforward
Fair value at beginning of period		1		2
Total pre-tax realized and unrealized gains (losses) recorded in:
Net income (loss)		0		4
Other comprehensive income (loss)		0		0
Purchases		33		55
Sales		0		(27)
Settlements		0		0
Fair value at end of period		34		34
Change in unrealized gains/(losses) related to financial instruments held		0		2
Assets of Consolidated Investment Vehicles | Structured products
Fair Value Level 3 Rollforward
Fair value at beginning of period	38		0
Total pre-tax realized and unrealized gains (losses) recorded in:
Net income (loss)	(3)		(6)
Other comprehensive income (loss)	0		0
Purchases	8		50
Sales	0		(21)
Settlements	0		0
Consolidations			0
Deconsolidations			20
Fair value at end of period	43		43
Change in unrealized gains/(losses) related to financial instruments held	(3)		(6)
Other
Fair Value Level 3 Rollforward
Fair value at beginning of period	37	31	27	(54)
Total pre-tax realized and unrealized gains (losses) recorded in:
Net income (loss)	1	(4)	12	(28)
Other comprehensive income (loss)	0	0	(1)	1
Purchases	0	0	0	0
Sales	0	0	0	0
Settlements	0	0	0	0
Consolidations			0
Deconsolidations			0
Fair value at end of period	38	27	38	27
Change in unrealized gains/(losses) related to financial instruments held	1	(3)	12	(28)
Change in unrealized gains/(losses) included in OCI related to financial instruments	0		(1)	1
Obligations of state and political subdivisions | Fixed-maturity securities, available-for-sale
Fair Value Level 3 Rollforward
Fair value at beginning of period	51	110	72	101
Total pre-tax realized and unrealized gains (losses) recorded in:
Net income (loss)	0	1	0	4
Other comprehensive income (loss)	(3)	(1)	(11)	7
Purchases	0	0	0	0
Sales	0	0	0	0
Settlements	0	0	(13)	(2)
Consolidations			0
Deconsolidations			0
Fair value at end of period	48	110	48	110
Change in unrealized gains/(losses) included in OCI related to financial instruments	(3)	(1)	(13)	7
Corporate securities | Fixed-maturity securities, available-for-sale
Fair Value Level 3 Rollforward
Fair value at beginning of period				30
Total pre-tax realized and unrealized gains (losses) recorded in:
Net income (loss)				2
Other comprehensive income (loss)				16
Purchases				0
Sales				(48)
Settlements				0
Fair value at end of period		0		0
Change in unrealized gains/(losses) included in OCI related to financial instruments				0
RMBS | Fixed-maturity securities, available-for-sale
Fair Value Level 3 Rollforward
Fair value at beginning of period	184	248	216	255
Total pre-tax realized and unrealized gains (losses) recorded in:
Net income (loss)	3	8	13	15
Other comprehensive income (loss)	(8)	(2)	(27)	7
Purchases	22	0	22	0
Sales	0	0	0	0
Settlements	(9)	(16)	(32)	(39)
Consolidations			0
Deconsolidations			0
Fair value at end of period	192	238	192	238
Change in unrealized gains/(losses) included in OCI related to financial instruments	(8)	(2)	(25)	6
Asset-backed securities | Fixed-maturity securities, available-for-sale
Fair Value Level 3 Rollforward
Fair value at beginning of period	805	975	863	940
Total pre-tax realized and unrealized gains (losses) recorded in:
Net income (loss)	2	5	2	16
Other comprehensive income (loss)	1	3	(36)	9
Purchases	4	55	39	266
Sales	(1)	0	(13)	(76)
Settlements	(5)	(70)	(49)	(187)
Consolidations			0
Deconsolidations			0
Fair value at end of period	806	968	806	968
Change in unrealized gains/(losses) included in OCI related to financial instruments	1	3	(35)	9
Credit Risk Contract
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Fair value at start of period	(147)	(154)	(154)	(100)
Total pre-tax realized and unrealized gains (losses) recorded in:
Net income (loss)	(48)	21	(42)	(31)
Other comprehensive income (loss)	0	0	0	0
Issuances	0	0	0	0
Sales	0		0
Settlements	1	(1)	2	(3)
Consolidations	0		0
Deconsolidations			0
Fair value at end of period	(194)	(134)	(194)	(134)
Change in unrealized gains/(losses) included in earnings related to financial instruments	$ (46)	$ 1	$ (41)	$ (54)