POLICYHOLDER ACCOUNT BALANCES - Balances and Changes in Separate Accounts Liability (Details) - USD ($) $ in Millions	9 Months Ended
Sep. 30, 2026	Sep. 30, 2025
Separate Account, Liability [Roll Forward]
Balance, beginning of period	$ 136,544
Balance, end of period	139,161
Retirement \| GMxB Core
Separate Account, Liability [Roll Forward]
Balance, beginning of period	30,720	$ 30,411
Premiums and deposits	1,238	1,369
Policy charges	(379)	(376)
Surrenders and withdrawals	(2,982)	(2,773)
Benefit payments	(207)	(218)
Investment performance	1,563	2,391
Net transfers from (to) General Account	74	152
Other charges (2)	0	0
Balance, end of period	30,027	30,956
Cash surrender value	29,195	30,115
Retirement \| EQUI-VEST Individual
Separate Account, Liability [Roll Forward]
Balance, beginning of period	4,836	4,782
Premiums and deposits	65	73
Policy charges	(3)	(3)
Surrenders and withdrawals	(390)	(368)
Benefit payments	(46)	(57)
Investment performance	391	507
Net transfers from (to) General Account	(15)	(8)
Other charges (2)	0	0
Balance, end of period	4,838	4,926
Cash surrender value	4,811	4,895
Retirement \| Investment Edge
Separate Account, Liability [Roll Forward]
Balance, beginning of period	5,312	4,885
Premiums and deposits	1,964	1,347
Policy charges	0	0
Surrenders and withdrawals	(519)	(367)
Benefit payments	(35)	(37)
Investment performance	344	496
Net transfers from (to) General Account	(1,357)	(1,071)
Other charges (2)	0	0
Balance, end of period	5,709	5,253
Cash surrender value	5,628	5,169
Retirement \| EQUI-VEST Group
Separate Account, Liability [Roll Forward]
Balance, beginning of period	33,714	30,546
Premiums and deposits	1,926	1,822
Policy charges	(14)	(11)
Surrenders and withdrawals	(2,505)	(2,059)
Benefit payments	(61)	(54)
Investment performance	2,896	3,448
Net transfers from (to) General Account	(245)	(333)
Other charges (2)	0	0
Balance, end of period	35,711	33,359
Cash surrender value	35,387	33,052
Retirement \| Momentum
Separate Account, Liability [Roll Forward]
Balance, beginning of period	5,174	4,813
Premiums and deposits	443	488
Policy charges	(20)	(18)
Surrenders and withdrawals	(748)	(631)
Benefit payments	(11)	(9)
Investment performance	443	615
Net transfers from (to) General Account	16	(14)
Other charges (2)	0	0
Balance, end of period	5,297	5,244
Cash surrender value	5,292	5,237
Corporate & Other \| VUL
Separate Account, Liability [Roll Forward]
Balance, beginning of period	20,383	18,176
Premiums and deposits	989	1,026
Policy charges	(451)	(440)
Surrenders and withdrawals	(444)	(521)
Benefit payments	(232)	(85)
Investment performance	1,827	2,159
Net transfers from (to) General Account	(213)	(186)
Other charges (2)	3	0
Balance, end of period	21,862	20,129
Cash surrender value	21,292	19,743
Corporate & Other \| GMxB Legacy
Separate Account, Liability [Roll Forward]
Balance, beginning of period	28,209	33,199
Premiums and deposits	138	163
Policy charges	(357)	(385)
Surrenders and withdrawals	(2,373)	(2,220)
Benefit payments	(476)	(517)
Investment performance	1,931	2,530
Net transfers from (to) General Account	(7)	(7)
Other charges (2)	(104)	3,812
Balance, end of period	26,961	28,951
Cash surrender value	$ 26,765	$ 28,740

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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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Amount of cash inflow to separate account liability from premium and deposit from cash received.

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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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Amount of liability for variable contract in which all or portion of contract holder's funds is allocated to specific separate account and supported by assets held in separate account.

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