POLICYHOLDER ACCOUNT BALANCES - Balances and Changes in Separate Accounts Liability (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Separate Account, Liability [Roll Forward]
Balance, beginning of period	$ 127,251
Balance, end of period	134,711	$ 127,251
Protection Solutions \| VUL
Separate Account, Liability [Roll Forward]
Balance, beginning of period	15,821	13,187	$ 16,405
Premiums and deposits	1,290	1,195	1,115
Policy charges	(577)	(562)	(538)
Surrenders and withdrawals	(631)	(558)	(408)
Benefit payments	(101)	(71)	(111)
Investment performance	2,575	2,654	(3,152)
Net transfers from (to) General Account	(201)	(24)	(124)
Other charges	0	0	0
Balance, end of period	18,176	15,821	13,187
Cash surrender value	17,801	15,478	12,893
Legacy Segment \| GMxB Legacy
Separate Account, Liability [Roll Forward]
Balance, beginning of period	33,794	32,616	44,912
Premiums and deposits	220	219	240
Policy charges	(630)	(655)	(682)
Surrenders and withdrawals	(3,555)	(2,826)	(2,825)
Benefit payments	(748)	(728)	(702)
Investment performance	4,122	5,164	(8,322)
Net transfers from (to) General Account	(4)	4	(5)
Other charges	0	0	0
Balance, end of period	33,199	33,794	32,616
Cash surrender value	32,931	33,512	32,320
Individual Retirement \| GMxB Core
Separate Account, Liability [Roll Forward]
Balance, beginning of period	29,829	27,772	35,288
Premiums and deposits	2,032	1,590	1,479
Policy charges	(498)	(484)	(487)
Surrenders and withdrawals	(3,739)	(2,603)	(2,315)
Benefit payments	(259)	(226)	(216)
Investment performance	2,806	3,558	(6,122)
Net transfers from (to) General Account	240	222	145
Other charges	0	0	0
Balance, end of period	30,411	29,829	27,772
Cash surrender value	29,569	28,991	26,888
Individual Retirement \| EQUI-VEST Individual
Separate Account, Liability [Roll Forward]
Balance, beginning of period	4,582	4,161	5,583
Premiums and deposits	95	93	124
Policy charges	(2)	(2)	(2)
Surrenders and withdrawals	(574)	(428)	(328)
Benefit payments	(55)	(57)	(52)
Investment performance	751	817	(1,136)
Net transfers from (to) General Account	(15)	(6)	(28)
Other charges	0	4	0
Balance, end of period	4,782	4,582	4,161
Cash surrender value	4,750	4,549	4,129
Individual Retirement \| Investment Edge
Separate Account, Liability [Roll Forward]
Balance, beginning of period	4,275	3,798	4,287
Premiums and deposits	1,795	844	1,035
Policy charges	(1)	0	(1)
Surrenders and withdrawals	(522)	(412)	(327)
Benefit payments	(35)	(39)	(34)
Investment performance	512	543	(733)
Net transfers from (to) General Account	(1,139)	(459)	(429)
Other charges	0	0	0
Balance, end of period	4,885	4,275	3,798
Cash surrender value	4,795	4,188	3,704
Group Retirement \| EQUI-VEST Group
Separate Account, Liability [Roll Forward]
Balance, beginning of period	26,959	22,393	27,509
Premiums and deposits	2,360	2,174	2,104
Policy charges	(19)	(18)	(17)
Surrenders and withdrawals	(2,447)	(1,750)	(1,359)
Benefit payments	(67)	(55)	(60)
Investment performance	4,094	4,463	(5,481)
Net transfers from (to) General Account	(334)	(273)	(303)
Other charges	0	25	0
Balance, end of period	30,546	26,959	22,393
Cash surrender value	30,194	26,683	22,163
Group Retirement \| Momentum
Separate Account, Liability [Roll Forward]
Balance, beginning of period	4,421	3,885	4,975
Premiums and deposits	729	644	668
Policy charges	(23)	(21)	(20)
Surrenders and withdrawals	(958)	(820)	(753)
Benefit payments	(14)	(13)	(14)
Investment performance	647	725	(917)
Net transfers from (to) General Account	11	21	(54)
Other charges	0	0	0
Balance, end of period	4,813	4,421	3,885
Cash surrender value	$ 4,806	$ 4,414	$ 3,879

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Transfer To (From) Separate Account (To) From General Account

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Amount of separate account liability payable to policyholder upon surrender of contract before maturity.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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