POLICYHOLDER ACCOUNT BALANCES - Balances and Changes in Separate Accounts Liability (Details) - USD ($) $ in Millions	9 Months Ended
Sep. 30, 2024	Sep. 30, 2023
Separate Account, Liability [Roll Forward]
Balance, beginning of period	$ 127,251
Balance, end of period	137,407
Protection Solutions \| VUL
Separate Account, Liability [Roll Forward]
Balance, beginning of period	15,821	$ 13,187
Premiums and deposits	925	845
Policy charges	(432)	(419)
Surrenders and withdrawals	(474)	(415)
Benefit payments	(68)	(68)
Investment performance	2,476	1,127
Net transfers from (to) General Account	(138)	53
Other charges	0	0
Balance, end of period	18,110	14,310
Cash surrender value	17,727	13,988
Legacy Segment \| GMxB Legacy
Separate Account, Liability [Roll Forward]
Balance, beginning of period	33,794	32,616
Premiums and deposits	165	166
Policy charges	(477)	(495)
Surrenders and withdrawals	(2,529)	(2,001)
Benefit payments	(568)	(562)
Investment performance	4,226	2,045
Net transfers from (to) General Account	(4)	0
Other charges	0	0
Balance, end of period	34,607	31,769
Cash surrender value	34,334	31,481
Individual Retirement \| GMxB Core
Separate Account, Liability [Roll Forward]
Balance, beginning of period	29,829	27,772
Premiums and deposits	1,499	1,170
Policy charges	(374)	(365)
Surrenders and withdrawals	(2,710)	(1,898)
Benefit payments	(203)	(176)
Investment performance	3,195	1,120
Net transfers from (to) General Account	178	161
Other charges	0	0
Balance, end of period	31,414	27,784
Cash surrender value	30,579	26,939
Individual Retirement \| EQUI-VEST Individual
Separate Account, Liability [Roll Forward]
Balance, beginning of period	4,582	4,161
Premiums and deposits	69	70
Policy charges	(1)	(2)
Surrenders and withdrawals	(381)	(293)
Benefit payments	(40)	(43)
Investment performance	702	360
Net transfers from (to) General Account	(11)	(7)
Other charges	0	4
Balance, end of period	4,920	4,250
Cash surrender value	4,887	4,218
Individual Retirement \| Investment Edge
Separate Account, Liability [Roll Forward]
Balance, beginning of period	4,275	3,798
Premiums and deposits	1,333	659
Policy charges	0	0
Surrenders and withdrawals	(389)	(291)
Benefit payments	(22)	(33)
Investment performance	543	191
Net transfers from (to) General Account	(848)	(363)
Other charges	0	0
Balance, end of period	4,892	3,961
Cash surrender value	4,803	3,872
Group Retirement \| EQUI-VEST Group
Separate Account, Liability [Roll Forward]
Balance, beginning of period	26,959	22,393
Premiums and deposits	1,709	1,574
Policy charges	(13)	(13)
Surrenders and withdrawals	(1,778)	(1,218)
Benefit payments	(47)	(43)
Investment performance	4,109	1,790
Net transfers from (to) General Account	(253)	(210)
Other charges	0	25
Balance, end of period	30,686	24,298
Cash surrender value	30,378	24,031
Group Retirement \| Momentum
Separate Account, Liability [Roll Forward]
Balance, beginning of period	4,421	3,885
Premiums and deposits	554	478
Policy charges	(17)	(15)
Surrenders and withdrawals	(686)	(529)
Benefit payments	(8)	(8)
Investment performance	659	305
Net transfers from (to) General Account	9	24
Other charges	0	0
Balance, end of period	4,932	4,140
Cash surrender value	$ 4,924	$ 4,132

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

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Amount of cash outflow to separate account policyholder from benefit payment.

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- Definition

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

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Amount of increase (decrease) in separate account liability from performance of investment.

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Amount of decrease in separate account liability from policy charge.

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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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