INVESTMENTS - Information Regarding Pretax Net Gains and Losses From Investments (Detail) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Gain (Loss) on Securities [Line Items]
Net investment gains (losses)	$ 199	$ (171)	$ 885	$ 224
Credit Losses
Fixed maturity securities available for sale	0	27	0	38
Fixed maturity securities held to maturity	0	0	0	1
Commercial mortgage and other loans	(12)	(29)	(8)	15
Impairment losses	(4)	0	(21)	(20)
Loan commitments	5	3	7	3
Reinsurance recoverable and other	0	0	2	(2)
Total credit losses	(11)	1	(20)	35
Derivatives and Other
Derivative gains (losses)	(491)	(174)	(1,515)	(557)
Foreign currency gains (losses)	664	135	2,473	783
Derivatives and other
Gain (Loss) on Securities [Line Items]
Net investment gains (losses)	173	(39)	958	226
Fixed maturity securities
Gain (Loss) on Securities [Line Items]
Gross gains from sales	8	24	93	40
Gross losses from sales	(4)	(36)	(30)	(39)
Foreign currency gains (losses) on sales and redemptions	54	(2)	187	(21)
Net investment gains (losses)	59	(14)	260	(20)
Other investments
Gain (Loss) on Securities [Line Items]
Gross gains from sales	1	0	10	0
Equity securities
Gain (Loss) on Securities [Line Items]
Net investment gains (losses)	$ (22)	$ (119)	$ (313)	$ (17)

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

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