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Analysis of Net Debt - Additional Information (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
 [1]
Dec. 31, 2019
 [1]
Disclosure of Financial Assets and Liabilities [line items]        
Cash and cash equivalents $ 5,936 $ 5,783 [1] $ 7,721 $ 4,218
Undrawn borrowing facilities $ 3,745 $ 3,983    
euro        
Disclosure of Financial Assets and Liabilities [line items]        
Percentage of total cash and cash equivalents 39.00% 41.00%    
US Dollar        
Disclosure of Financial Assets and Liabilities [line items]        
Percentage of total cash and cash equivalents 39.00% 39.00%    
[1] See the Accounting Policies on page 181 for further details.