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INVESTMENTS - Information Regarding Pretax Net Gains and Losses From Investments (Detail) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Gain (Loss) on Securities [Line Items] |  |
Net investment gains (losses) | $ 123 | $ 122
Credit Losses |  |
Fixed maturity securities held to maturity | 1 | 0
Commercial mortgage and other loans | (31) | 16
Loan commitments | 3 | 7
Reinsurance recoverable and other | (3) | 2
Total credit losses | (30) | 25
Derivatives and Other |  |
Derivative gains (losses) | 17 | (466)
Foreign currency gains (losses) | 82 | 633
Derivatives and other |  |
Gain (Loss) on Securities [Line Items] |  |
Net investment gains (losses) | 99 | 167
Fixed maturity securities |  |
Gain (Loss) on Securities [Line Items] |  |
Gross gains from sales | 1 | 70
Gross losses from sales | (3) | (3)
Foreign currency gains (losses) on sales and redemptions | 59 | 10
Net investment gains (losses) | 57 | 86
Other investments |  |
Gain (Loss) on Securities [Line Items] |  |
Gross gains from sales | 0 | 9
Equity securities |  |
Gain (Loss) on Securities [Line Items] |  |
Net investment gains (losses) | $ (3) | $ (156)

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