POLICYHOLDER ACCOUNT BALANCES - Balances and Changes in Separate Accounts Liability (Details) - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024
Separate Account, Liability [Roll Forward]
Balance, beginning of period	$ 134,717
Balance, end of period	131,683
Protection Solutions \| VUL
Separate Account, Liability [Roll Forward]
Balance, beginning of period	18,176	$ 15,821
Premiums and deposits	664	616
Policy charges	(292)	(287)
Surrenders and withdrawals	(350)	(330)
Benefit payments	(54)	(30)
Investment performance	941	1,508
Net transfers from (to) General Account	(117)	(86)
Other charges (2)	0	0
Balance, end of period	18,968	17,212
Cash surrender value	18,600	16,840
Legacy Segment \| GMxB Legacy
Separate Account, Liability [Roll Forward]
Balance, beginning of period	33,199	33,794
Premiums and deposits	118	112
Policy charges	(265)	(324)
Surrenders and withdrawals	(1,499)	(1,629)
Benefit payments	(364)	(385)
Investment performance	907	(3)
Net transfers from (to) General Account	(5)	2,401
Other charges (2)	(3,816)	0
Balance, end of period	28,275	33,966
Cash surrender value	28,071	33,702
Individual Retirement \| GMxB Core
Separate Account, Liability [Roll Forward]
Balance, beginning of period	30,411	29,829
Premiums and deposits	934	1,000
Policy charges	(252)	(249)
Surrenders and withdrawals	(1,861)	(1,720)
Benefit payments	(145)	(135)
Investment performance	864	117
Net transfers from (to) General Account	106	1,634
Other charges (2)	0	0
Balance, end of period	30,057	30,476
Cash surrender value	29,218	29,644
Individual Retirement \| EQUI-VEST Individual
Separate Account, Liability [Roll Forward]
Balance, beginning of period	4,782	4,582
Premiums and deposits	49	40
Policy charges	(2)	(1)
Surrenders and withdrawals	(237)	(248)
Benefit payments	(36)	(26)
Investment performance	208	(7)
Net transfers from (to) General Account	(8)	445
Other charges (2)	0	0
Balance, end of period	4,756	4,785
Cash surrender value	4,724	4,752
Individual Retirement \| Investment Edge
Separate Account, Liability [Roll Forward]
Balance, beginning of period	4,885	4,275
Premiums and deposits	901	739
Policy charges	0	0
Surrenders and withdrawals	(242)	(254)
Benefit payments	(17)	(15)
Investment performance	247	(465)
Net transfers from (to) General Account	(702)	308
Other charges (2)	0	0
Balance, end of period	5,072	4,588
Cash surrender value	4,983	4,501
Group Retirement \| EQUI-VEST Group
Separate Account, Liability [Roll Forward]
Balance, beginning of period	30,546	26,959
Premiums and deposits	1,252	1,180
Policy charges	(8)	(8)
Surrenders and withdrawals	(1,271)	(1,113)
Benefit payments	(32)	(32)
Investment performance	1,464	(170)
Net transfers from (to) General Account	(237)	2,409
Other charges (2)	0	0
Balance, end of period	31,714	29,225
Cash surrender value	31,412	28,935
Group Retirement \| Momentum
Separate Account, Liability [Roll Forward]
Balance, beginning of period	4,813	4,421
Premiums and deposits	330	379
Policy charges	(12)	(11)
Surrenders and withdrawals	(433)	(476)
Benefit payments	(5)	(7)
Investment performance	308	6
Net transfers from (to) General Account	7	390
Other charges (2)	0	0
Balance, end of period	5,008	4,702
Cash surrender value	$ 5,001	$ 4,694

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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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