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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)

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- Definition Amount of increase (decrease) in allowance for credit loss of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 50 -Paragraph 9 -URI https://asc.fasb.org/extlink&oid=124269663&loc=SL82922900-210455 + Details
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