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Property Plant And Equipment - Additional Information (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Disclosure of detailed information about property, plant and equipment [line items]    
Capital commitments $ 3,841 $ 4,245
Bottom of range [member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Useful life of assets 5 years  
Top of range [member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Useful life of assets 50 years  
Buildings [member] | Bottom of range [member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Useful life of assets 24 years  
Buildings [member] | Top of range [member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Useful life of assets 40 years  
Other plant and equipment [member] | Bottom of range [member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Useful life of assets 5 years  
Other plant and equipment [member] | Top of range [member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Useful life of assets 40 years