INVESTMENTS - Information Regarding Pretax Net Gains and Losses From Investments (Detail) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Gain (Loss) on Securities [Line Items]
Gross gains (losses) from sales and redemptions	$ 5	$ (3)	$ 10	$ (3)
Net investment gains (losses)	696	555	1,647	678
Credit losses:
Fixed maturity securities held-to-maturity	0	0	0	1
Commercial mortgage and other loans	(21)	(2)	(28)	(33)
Impairment losses	0	0	0	0
Loan commitments	2	1	3	4
Reinsurance recoverables and other	0	0	5	(3)
Total credit losses	(19)	(1)	(20)	(31)
Derivatives and other:
Derivative gains (losses)	(275)	(594)	(490)	(577)
Foreign currency gains (losses)	924	1,135	1,842	1,217
Fixed maturity securities
Gain (Loss) on Securities [Line Items]
Gross gains from sales	6	7	40	8
Gross losses from sales	(27)	(6)	(309)	(9)
Foreign currency gains (losses)	71	26	487	85
Debt Securities, Financing Receivables, and Other Investments
Gain (Loss) on Securities [Line Items]
Net investment gains (losses)	55	24	228	81
Equity securities
Gain (Loss) on Securities [Line Items]
Net investment gains (losses)	11	(9)	87	(12)
Derivatives and other
Gain (Loss) on Securities [Line Items]
Net investment gains (losses)	$ 649	$ 541	$ 1,352	$ 640

Foreign currency translation gains (losses) on remeasurement of monetary assets

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