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INVESTMENTS - Schedule of Components of Net Investment Income (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Debt Securities, Available-for-Sale [Line Items]
Gross investment income before adjustments	$ 541	$ 537	$ 1,031	$ 1,001
Funds held interest income (expense)	2	9	14	15
Future policy benefit reserve income (expense)	0	0	0	0
Gross investment income	543	545	1,045	1,016
Investment expenses	11	18	22	31
Net investment income	532	528	1,023	985
Fixed maturities
Debt Securities, Available-for-Sale [Line Items]
Gross investment income before adjustments	396	369	782	721
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	33	43	82	81
Limited partnerships
Debt Securities, Available-for-Sale [Line Items]
Gross investment income before adjustments	88	94	113	148
Other
Debt Securities, Available-for-Sale [Line Items]
Gross investment income before adjustments	$ 22	$ 30	$ 52	$ 50

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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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