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Deferred Tax Assets and Liabilities - Additional Information (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Disclosure Of Components Of Deferred Tax Assets And Liabilities [line items]    
Tax losses $ 16,200 $ 16,200
Net deferred tax liabilities 11,321 11,874
Unrecognized tax attributes amount 46,800 48,700
Deferred tax assets unrecognized on the basis of tax attributes [Member]    
Disclosure Of Components Of Deferred Tax Assets And Liabilities [line items]    
Tax losses 12,000 12,100
No expiration period [member]    
Disclosure Of Components Of Deferred Tax Assets And Liabilities [line items]    
Tax losses 43,600  
Tax losses carried forward and deductible temporary differences 16,200 $ 16,200
Expiration period 1 [member]    
Disclosure Of Components Of Deferred Tax Assets And Liabilities [line items]    
Tax losses carried forward and deductible temporary differences $ 100  
Tax losses and deductible temporary differences expiration period 1 year  
Expiration period more than 3 [member]    
Disclosure Of Components Of Deferred Tax Assets And Liabilities [line items]    
Tax losses carried forward and deductible temporary differences $ 3,000  
Changes in tax rates or tax laws enacted or announced [member]    
Disclosure Of Components Of Deferred Tax Assets And Liabilities [line items]    
Net deferred tax liabilities $ 6,000