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DERIVATIVE INSTRUMENTS - Offsetting of Financial Assets and Derivative Assets (Detail) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Offsetting Assets [Line Items] |  |
Gross amount of recognized derivative assets | $ 187 | $ 282
Gross amount of liabilities offset in balance sheet | 0 | 0
Net amount of derivative assets presented in balance sheet | 187 | 282
Financial instruments, amounts not offset | 0 | (96)
Derivative, collateral, obligation to return securities | (45) | (53)
Derivative, collateral, obligation to return cash | (135) | (130)
Derivative asset, fair value, amount offset against collateral, subject to master netting agreement | 7 | 3
Derivative asset, not subject to master netting arrangement | 53 | 55
Derivative asset, fair value, gross asset including not subject to master netting arrangement | 240 | 337
Net amounts of derivative assets presented in balance sheet | 240 | 337
Derivative asset, fair value, amount offset against collateral | 60 | 58
Securities lending, gross amounts of recognized financial instruments | 2,001 | 1,480
Securities lending, gross amounts offset in balance sheet | 0 | 0
Securities lending, net amounts of assets presented in balance sheet | 2,001 | 1,480
Securities lending, carrying value of financial instruments not offset in balance sheet | 0 | 0
Securities lending, securities collateral, not offset in balance sheet | 0 | 0
Securities lending, cash collateral, not offset in balance sheet | (2,001) | (1,480)
Securities lending, financial instruments, amount of assets offset against collateral | 0 | 0
Gross amount of recognized assets | 2,241 | 1,817
Gross amounts offset in balance sheet | 0 | 0
Net amounts of assets presented in balance sheet | 2,241 | 1,817
Carrying value of financial instruments not offset in balance sheet | 0 | (96)
Securities collateral, not offset in balance sheet | (45) | (53)
Cash collateral, not offset in balance sheet | (2,136) | (1,610)
Financial instruments, amount of assets offset against collateral | 60 | 58
Over the Counter - Bilateral |  |
Offsetting Assets [Line Items] |  |
Gross amount of recognized derivative assets | 187 | 271
Gross amount of liabilities offset in balance sheet | 0 | 0
Net amount of derivative assets presented in balance sheet | 187 | 271
Financial instruments, amounts not offset | 0 | (85)
Derivative, collateral, obligation to return securities | (45) | (53)
Derivative, collateral, obligation to return cash | (135) | (130)
Derivative asset, fair value, amount offset against collateral, subject to master netting agreement | 7 | 3
Derivative asset, not subject to master netting arrangement | $ 53 | 55
Over the Counter - Cleared |  |
Offsetting Assets [Line Items] |  |
Gross amount of recognized derivative assets |  | 11
Gross amount of liabilities offset in balance sheet |  | 0
Net amount of derivative assets presented in balance sheet |  | 11
Financial instruments, amounts not offset |  | (11)
Derivative, collateral, obligation to return securities |  | 0
Derivative, collateral, obligation to return cash |  | 0
Derivative asset, fair value, amount offset against collateral, subject to master netting agreement |  | $ 0

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