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Significant Production And Growth Asset Acquisitions - Additional Information (Detail) - USD ($)
$ in Millions
Dec. 19, 2024
Dec. 31, 2024
Jul. 22, 2024
Disclosure Of Significant Production And Growth Asset Acquisitions [Line Items]      
Total cash payment by Chevron $ 400    
Cash Payment For Completion Of Sales And Purchase Agreement 300    
Additional Contingent Payment For Sales And Purchase Agreement $ 100    
Advanced Payment Received For Sales And Purchase Agreement   $ 100  
Tellurian Inc [Member]      
Disclosure Of Significant Production And Growth Asset Acquisitions [Line Items]      
Loan amount called     $ 146
Loan facility     230
Cash transferred     $ 876
North West Shelf Project [member]      
Disclosure Of Significant Production And Growth Asset Acquisitions [Line Items]      
Proportion of ownership interest in joint venture 16.67%    
Carbon Capture And Storage Project [Member]      
Disclosure Of Significant Production And Growth Asset Acquisitions [Line Items]      
Proportion of ownership interest in joint venture 20.00%    
Wheatstone Project [Member]      
Disclosure Of Significant Production And Growth Asset Acquisitions [Line Items]      
Proportion of ownership interest in joint venture 13.00%    
Julimar Brunello Project [Member]      
Disclosure Of Significant Production And Growth Asset Acquisitions [Line Items]      
Proportion of ownership interest in joint venture 65.00%