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Financial Instruments - Schedule of Consolidated Long-Term Debt (Detail) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Disclosure of detailed information about financial instruments [line items]    
Long term borrowings $ 7,306 $ 9,160
Bank loans [member]    
Disclosure of detailed information about financial instruments [line items]    
Long term borrowings 1,949  
Notes payable [member]    
Disclosure of detailed information about financial instruments [line items]    
Long term borrowings 5,357  
Later Than One Year and Not Later Than Two Years [Member]    
Disclosure of detailed information about financial instruments [line items]    
Long term borrowings 205  
Later Than One Year and Not Later Than Two Years [Member] | Bank loans [member]    
Disclosure of detailed information about financial instruments [line items]    
Long term borrowings 199  
Later Than One Year and Not Later Than Two Years [Member] | Notes payable [member]    
Disclosure of detailed information about financial instruments [line items]    
Long term borrowings 6  
Later Than Two Years and Not Later Than Three Years [Member]    
Disclosure of detailed information about financial instruments [line items]    
Long term borrowings 373  
Later Than Two Years and Not Later Than Three Years [Member] | Bank loans [member]    
Disclosure of detailed information about financial instruments [line items]    
Long term borrowings 368  
Later Than Two Years and Not Later Than Three Years [Member] | Notes payable [member]    
Disclosure of detailed information about financial instruments [line items]    
Long term borrowings 5  
Later Than Three Years and Not Later Than Four Years [Member]    
Disclosure of detailed information about financial instruments [line items]    
Long term borrowings 848  
Later Than Three Years and Not Later Than Four Years [Member] | Bank loans [member]    
Disclosure of detailed information about financial instruments [line items]    
Long term borrowings 691  
Later Than Three Years and Not Later Than Four Years [Member] | Notes payable [member]    
Disclosure of detailed information about financial instruments [line items]    
Long term borrowings 157  
Later Than Four Years and Not Later Than Five Years [Member]    
Disclosure of detailed information about financial instruments [line items]    
Long term borrowings 1,151  
Later Than Four Years and Not Later Than Five Years [Member] | Bank loans [member]    
Disclosure of detailed information about financial instruments [line items]    
Long term borrowings 691  
Later Than Four Years and Not Later Than Five Years [Member] | Notes payable [member]    
Disclosure of detailed information about financial instruments [line items]    
Long term borrowings 460  
More than 5 Years [Member]    
Disclosure of detailed information about financial instruments [line items]    
Long term borrowings 4,729  
More than 5 Years [Member] | Notes payable [member]    
Disclosure of detailed information about financial instruments [line items]    
Long term borrowings $ 4,729