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Inventories - Summary of Inventories (Detail) - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disclosure of inventories [line items]        
Inventories $ 1,738 [1] $ 1,500 [1] $ 1,191 [1] $ 1,346
Refined products [member]        
Disclosure of inventories [line items]        
Inventories 1,144 1,024 714  
Crude oil and natural gas [member]        
Disclosure of inventories [line items]        
Inventories 449 366 393  
Products in process [member]        
Disclosure of inventories [line items]        
Inventories 51 34 23  
Raw materials, packaging materials and others [member]        
Disclosure of inventories [line items]        
Inventories $ 94 $ 76 $ 61  
[1] As of December 31, 2022, 2021 and 2020, the cost of inventories does not exceed their net realizable value.