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Cash and Cash Equivalents and Investment Securities - Additional Information (Detail) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Disclosure of detailed information about borrowings [line items]    
Restricted cash $ 99 $ 109
Amounts deposited on a blocked account 75  
Current debt securities 221 67
Debt securities [member]    
Disclosure of detailed information about borrowings [line items]    
Current debt securities $ 221 $ 67