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INVESTMENTS - Schedule of Components of Net Investment Income (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Debt Securities, Available-for-Sale [Line Items]
Gross investment income before adjustments	$ 537	$ 369	$ 1,001	$ 641
Funds held interest income (expense)	9	2	15	2
Future policy benefit reserve income (expense)	0	0	0	0
Gross investment income	545	371	1,016	643
Investment expenses	18	14	31	26
Net investment income	528	357	985	617
Fixed maturities
Debt Securities, Available-for-Sale [Line Items]
Gross investment income before adjustments	369	276	721	523
Equity securities
Debt Securities, Available-for-Sale [Line Items]
Gross investment income before adjustments	1	1	2	2
Short-term investments and cash
Debt Securities, Available-for-Sale [Line Items]
Gross investment income before adjustments	43	34	81	51
Limited partnerships
Debt Securities, Available-for-Sale [Line Items]
Gross investment income before adjustments	94	53	148	38
Other
Debt Securities, Available-for-Sale [Line Items]
Gross investment income before adjustments	$ 30	$ 6	$ 50	$ 27

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Amount before accretion (amortization) of purchase discount (premium) of interest income and dividend income on nonoperating securities.

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