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Derivative Instruments - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Mar. 31, 2023
Dec. 31, 2022
Derivative [Line Items]    
Realized and unrealized gains (losses) on derivatives classified as cash flow hedges recorded in other comprehensive income (loss) $ 43 $ (114)
Fair value of derivatives under collateral agreements in a net liability position 2,200  
Collateral posted by company netted against net liability position 1,800  
Estimated gain to be reclassified from other comprehensive income (loss) into earnings 31  
Net Investment Hedging [Member]    
Derivative [Line Items]    
Non-derivative debt instruments designated as net investment hedges $ 1,300 $ 1,300