POLICYHOLDER ACCOUNT BALANCES - Balances and Changes in Separate Accounts Liability (Details) - USD ($) $ in Millions	9 Months Ended
Sep. 30, 2025	Sep. 30, 2024
Separate Account, Liability [Roll Forward]
Balance, beginning of period	$ 134,717
Balance, end of period	136,905
Retirement \| GMxB Core
Separate Account, Liability [Roll Forward]
Balance, beginning of period	30,411	$ 29,829
Premiums and deposits	1,369	1,499
Policy charges	(376)	(374)
Surrenders and withdrawals	(2,773)	(2,710)
Benefit payments	(218)	(203)
Investment performance	2,391	3,195
Net transfers from (to) General Account	152	178
Other charges (2)	0	0
Balance, end of period	30,956	31,414
Cash surrender value	30,115	30,579
Retirement \| EQUI-VEST Individual
Separate Account, Liability [Roll Forward]
Balance, beginning of period	4,782	4,582
Premiums and deposits	73	69
Policy charges	(3)	(1)
Surrenders and withdrawals	(368)	(381)
Benefit payments	(57)	(40)
Investment performance	507	702
Net transfers from (to) General Account	(8)	(11)
Other charges (2)	0	0
Balance, end of period	4,926	4,920
Cash surrender value	4,895	4,887
Retirement \| Investment Edge
Separate Account, Liability [Roll Forward]
Balance, beginning of period	4,885	4,275
Premiums and deposits	1,347	1,333
Policy charges	0	0
Surrenders and withdrawals	(367)	(389)
Benefit payments	(37)	(22)
Investment performance	496	543
Net transfers from (to) General Account	(1,071)	(848)
Other charges (2)	0	0
Balance, end of period	5,253	4,892
Cash surrender value	5,169	4,803
Retirement \| EQUI-VEST Group
Separate Account, Liability [Roll Forward]
Balance, beginning of period	30,546	26,959
Premiums and deposits	1,822	1,709
Policy charges	(11)	(13)
Surrenders and withdrawals	(2,059)	(1,778)
Benefit payments	(54)	(47)
Investment performance	3,448	4,109
Net transfers from (to) General Account	(333)	(253)
Other charges (2)	0	0
Balance, end of period	33,359	30,686
Cash surrender value	33,052	30,378
Retirement \| Momentum
Separate Account, Liability [Roll Forward]
Balance, beginning of period	4,813	4,421
Premiums and deposits	488	554
Policy charges	(18)	(17)
Surrenders and withdrawals	(631)	(686)
Benefit payments	(9)	(8)
Investment performance	615	659
Net transfers from (to) General Account	(14)	9
Other charges (2)	0	0
Balance, end of period	5,244	4,932
Cash surrender value	5,237	4,924
Corporate & Other \| VUL
Separate Account, Liability [Roll Forward]
Balance, beginning of period	18,176	15,821
Premiums and deposits	1,026	925
Policy charges	(440)	(432)
Surrenders and withdrawals	(521)	(474)
Benefit payments	(85)	(68)
Investment performance	2,159	2,476
Net transfers from (to) General Account	(186)	(138)
Other charges (2)	0	0
Balance, end of period	20,129	18,110
Cash surrender value	19,743	17,727
Corporate & Other \| GMxB Legacy
Separate Account, Liability [Roll Forward]
Balance, beginning of period	33,199	33,794
Premiums and deposits	163	165
Policy charges	(385)	(477)
Surrenders and withdrawals	(2,220)	(2,529)
Benefit payments	(517)	(568)
Investment performance	2,530	4,226
Net transfers from (to) General Account	(7)	(4)
Other charges (2)	(3,812)	0
Balance, end of period	28,951	34,607
Cash surrender value	$ 28,740	$ 34,334

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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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