POLICYHOLDERS' ACCOUNT BALANCES - Schedule of Policyholder Account Balance (Details) - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Policyholder Account Balance [Roll Forward]
Balance, beginning of period	$ 90,513	$ 83,551
Acquisition from business combination	65	0
Issuances	6,236	7,088
Premiums received	287	289
Policy charges	(494)	(476)
Surrenders and withdrawals	(5,651)	(5,133)
Interest credited	1,818	1,519
Benefit payments	(669)	(568)
Other	(5)	4
Balance, end of period	92,100	86,274
Funding agreements	3,509	930
Embedded derivative and other	1,811	1,193
Total policyholders’ account balances	97,420	88,397	$ 94,411
Net amount at risk	13,341	12,460
Annuities
Policyholder Account Balance [Roll Forward]
Balance, beginning of period	88,320	81,444
Acquisition from business combination	65	0
Issuances	6,229	7,062
Premiums received	71	71
Policy charges	(313)	(287)
Surrenders and withdrawals	(5,587)	(5,078)
Interest credited	1,754	1,468
Benefit payments	(669)	(568)
Other	(5)	4
Balance, end of period	89,865	84,116
Total policyholders’ account balances	$ 89,865	$ 84,116
Weighted average crediting rate	4.00%	3.00%
Net amount at risk	$ 13,803	$ 12,907
Cash surrender value	82,860	77,655
Life Insurance
Policyholder Account Balance [Roll Forward]
Balance, beginning of period	2,193	2,107
Acquisition from business combination	0	0
Issuances	7	26
Premiums received	216	218
Policy charges	(181)	(189)
Surrenders and withdrawals	(64)	(55)
Interest credited	64	51
Benefit payments	0	0
Other	0	0
Balance, end of period	2,235	2,158
Total policyholders’ account balances	$ 2,235	$ 2,158
Weighted average crediting rate	6.00%	5.00%
Net amount at risk	$ 38,083	$ 38,673
Cash surrender value	$ 2,024	$ 1,919

Policyholder Account Balance, Business Combination

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Policyholder Account Balance, Embedded Derivative and Other

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Policyholder Account Balance, Excluding Embedded Derivatives

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Amount of cash to be paid to policyholder upon termination and surrender of long-duration contract issued by insurance entity.

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Amount of interest expense for allocation to policyholder account balance.

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Amount of guaranteed benefit in excess of current account balance of contract or contract feature in long-duration contract issued by insurance entity that both protects contract holder from other-than-nominal capital market risk and exposes insurance entity to other-than-nominal capital market risk.

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

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Amount of increase (decrease) in liability for policyholder account balance from change, classified as other.

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Amount of increase in liability for policyholder account balance from contract issuance.

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Amount of decrease in liability for policyholder account balance from policy charge.

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Amount of cash inflow to policyholder account balance from premium 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 decrease in liability for policyholder account balance from contract redemption and withdrawal of funds.

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Weighted-average crediting rate for liability for policyholder account balance, calculated at a point in time.

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Amount of liability due to policyholder for deposit held under long-duration contract issued by insurance entity.

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Amount due to policyholder. Includes, but is not limited to, unpaid policy dividend, retrospective refund, and undistributed earnings on participating business. Excludes future policy benefit and claim expense.

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