FAIR VALUE DISCLOSURES - Fair Value Measurement Reconciliation For All Levels (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Total gains and (losses), realized and unrealized, included in:
Transfers into Level 3	$ 168	$ 27
Transfers out of Level 3	(121)	(713)
GMIB reinsurance contract asset
Total gains and (losses), realized and unrealized, included in:
Nonperformance risk	(45)	(26)	$ 14
Amounts Due from Reinsurers
Total gains and (losses), realized and unrealized, included in:
Nonperformance risk	(60)	19	0
GMxB Derivative Features Liability
Total gains and (losses), realized and unrealized, included in:
Nonperformance risk	522	(217)	(758)
Level 3 | Corporate
Total gains and (losses), realized and unrealized, included in:
Beginning Balance	1,493	1,687	1,246
Net investment income (loss)	5	5	4
Investment gains (losses), net	(5)	(16)	(16)
Total realized and unrealized gains (losses)	0	(11)	(12)
Other comprehensive income (loss)	(157)	34	(17)
Purchases	1,093	937	513
Sales	(379)	(468)	(224)
Activity related to consolidated VIEs/VOEs	0	0
Transfers into Level 3	168	27	184
Transfers out of Level 3	(115)	(713)	(3)
Closing Balance	2,103	1,493	1,687
Change in unrealized gains or losses for the period included in earnings for instruments held at the end of the reporting period	0	0	0
Change in unrealized gains or losses for the period included in other comprehensive income for instruments held at the end of the reporting period	(154)	28	(18)
Level 3 | Other Equity Investments
Total gains and (losses), realized and unrealized, included in:
Beginning Balance	13	15	16
Net investment income (loss)	(1)	2	0
Investment gains (losses), net	0	0	0
Total realized and unrealized gains (losses)	(1)	2	0
Other comprehensive income (loss)	0	0	0
Purchases	8	1	3
Sales	0	(1)	0
Other		0
Change of estimate	0		0
Activity related to consolidated VIEs/VOEs	(3)	(4)	(4)
Transfers into Level 3	0	0	0
Transfers out of Level 3	0	0	0
Closing Balance	17	13	15
Change in unrealized gains or losses for the period included in earnings for instruments held at the end of the reporting period	(1)	2	0
Change in unrealized gains or losses for the period included in other comprehensive income for instruments held at the end of the reporting period	0	0	0
Level 3 | GMIB reinsurance contract asset
Total gains and (losses), realized and unrealized, included in:
Beginning Balance	2,068	2,859	2,466
Net investment income (loss)	0	0	0
Investment gains (losses), net	(726)	(777)	472
Total realized and unrealized gains (losses)	(726)	(777)	472
Other comprehensive income (loss)	0	0	0
Purchases	41	44	45
Sales	(77)	(58)	(79)
Other		0
Change of estimate	0		(45)
Activity related to consolidated VIEs/VOEs	0	0	0
Transfers into Level 3	0	0	0
Transfers out of Level 3	0		0
Closing Balance	1,306	2,068	2,859
Change in unrealized gains or losses for the period included in earnings for instruments held at the end of the reporting period	(726)	(777)	472
Change in unrealized gains or losses for the period included in other comprehensive income for instruments held at the end of the reporting period	0	0	0
Level 3 | Amounts Due from Reinsurers
Total gains and (losses), realized and unrealized, included in:
Beginning Balance	5,813	0	0
Net investment income (loss)	0	0	0
Investment gains (losses), net	(1,706)	517	0
Total realized and unrealized gains (losses)	(1,706)	517	0
Other comprehensive income (loss)	0	0	0
Purchases	123	73	0
Sales	(116)	(36)	0
Other		5,259
Change of estimate	0		0
Activity related to consolidated VIEs/VOEs	0	0	0
Transfers into Level 3	0	0	0
Transfers out of Level 3	0	0	0
Closing Balance	4,114	5,813	0
Change in unrealized gains or losses for the period included in earnings for instruments held at the end of the reporting period	(1,706)	517	0
Change in unrealized gains or losses for the period included in other comprehensive income for instruments held at the end of the reporting period	0	0	0
Level 3 | States and political subdivisions
Total gains and (losses), realized and unrealized, included in:
Beginning Balance	35	39	39
Net investment income (loss)	0	0	0
Investment gains (losses), net	0	0	0
Total realized and unrealized gains (losses)	0	0	0
Other comprehensive income (loss)	(5)	(2)	2
Purchases	0	0	0
Sales	(1)	(2)	(2)
Activity related to consolidated VIEs/VOEs	0	0
Transfers into Level 3	0	0	0
Transfers out of Level 3	0	0	0
Closing Balance	29	35	39
Change in unrealized gains or losses for the period included in earnings for instruments held at the end of the reporting period	0	0	0
Change in unrealized gains or losses for the period included in other comprehensive income for instruments held at the end of the reporting period	(5)	(2)	2
Level 3 | CMBS
Total gains and (losses), realized and unrealized, included in:
Beginning Balance	20	0	0
Net investment income (loss)	0	0	0
Investment gains (losses), net	0	0	0
Total realized and unrealized gains (losses)	0	0	0
Other comprehensive income (loss)	(2)	0	0
Purchases	14	20	0
Sales	0	0	0
Activity related to consolidated VIEs/VOEs	0	0
Transfers into Level 3	0	0	0
Transfers out of Level 3	0	0	0
Closing Balance	32	20	0
Change in unrealized gains or losses for the period included in earnings for instruments held at the end of the reporting period	0	0	0
Change in unrealized gains or losses for the period included in other comprehensive income for instruments held at the end of the reporting period	(2)	0	0
Level 3 | Asset-backed
Total gains and (losses), realized and unrealized, included in:
Beginning Balance	8	20	100
Net investment income (loss)	0	0	0
Investment gains (losses), net	0	0	0
Total realized and unrealized gains (losses)	0	0	0
Other comprehensive income (loss)	0	0	0
Purchases	0	6	20
Sales	(2)	(18)	0
Activity related to consolidated VIEs/VOEs	0	0
Transfers into Level 3	0	0	0
Transfers out of Level 3	(6)	0	(100)
Closing Balance	0	8	20
Change in unrealized gains or losses for the period included in earnings for instruments held at the end of the reporting period	0	0	0
Change in unrealized gains or losses for the period included in other comprehensive income for instruments held at the end of the reporting period	0	0	0
Level 3 | Separate Accounts Assets
Total gains and (losses), realized and unrealized, included in:
Beginning Balance	1	1	0
Net investment income (loss)	0	0	0
Investment gains (losses), net	0	0	0
Total realized and unrealized gains (losses)	0	0	0
Other comprehensive income (loss)	0	0	0
Purchases	0	1	1
Sales	0	0	0
Other		0
Change of estimate	0		0
Activity related to consolidated VIEs/VOEs	0	0	0
Transfers into Level 3	0	0	0
Transfers out of Level 3	0	(1)	0
Closing Balance	1	1	1
Change in unrealized gains or losses for the period included in earnings for instruments held at the end of the reporting period	0	0	0
Change in unrealized gains or losses for the period included in other comprehensive income for instruments held at the end of the reporting period	0	0	0
Level 3 | GMxB Derivative Features Liability
Total gains and (losses), realized and unrealized, included in:
Beginning Balance	(8,525)	(10,936)	(8,316)
Net investment income (loss)	0	0	0
Investment gains (losses), net	3,062	2,792	(2,238)
Total realized and unrealized gains (losses)	3,062	2,792	(2,238)
Other comprehensive income (loss)	0	0	0
Purchases	(456)	(458)	(441)
Sales	146	77	59
Other		0
Change of estimate	0
Activity related to consolidated VIEs/VOEs	0	0	0
Transfers into Level 3	0	0	0
Transfers out of Level 3	0	0	0
Closing Balance	(5,773)	(8,525)	(10,936)
Change in unrealized gains or losses for the period included in earnings for instruments held at the end of the reporting period	3,062	2,792	(2,238)
Change in unrealized gains or losses for the period included in other comprehensive income for instruments held at the end of the reporting period	$ 0	$ 0	$ 0