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Accumulated Other Comprehensive Income (Loss) ("AOCI") - Components of Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Accumulated other comprehensive income (loss), Beginning balance $ (147)    
Amounts reclassified from accumulated other comprehensive income (loss) 10    
Net current-period other comprehensive income (loss) (3) $ (2) $ (17)
Accumulated other comprehensive income (loss), Ending balance (150) (147)  
Accumulated Other Comprehensive Income (Loss) [Member]      
Accumulated other comprehensive income (loss), Beginning balance (147) (145)  
Other comprehensive income (loss) before reclassifications (13) (2)  
Amounts reclassified from accumulated other comprehensive income (loss) 10    
Net current-period other comprehensive income (loss) (3) (2) (17)
Accumulated other comprehensive income (loss), Ending balance $ (150) $ (147) $ (145)