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Cash and Cash Equivalents and Investment Securities - Additional Information (Detail) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Disclosure of detailed information about borrowings [line items]    
Restricted cash $ 78 $ 84
Amounts deposited on a blocked account 77  
Current debt securities 374 396
Debt securities [member]    
Disclosure of detailed information about borrowings [line items]    
Current debt securities 374 $ 396
Share Holder [member]    
Disclosure of detailed information about borrowings [line items]    
Cash acquired in business combination $ 1