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Right-of-use Assets - Additional Information (Detail)
 12 Months Ended
Dec. 31, 2023
Exploitation equipment and facilities [Member]  
Disclosure of quantitative information about right-of-use assets [line items]  
Aggregate Lease Term Lease 3 years
Equipment for natural gas compression and power generation [Member]  
Disclosure of quantitative information about right-of-use assets [line items]  
Aggregate Lease Term Lease 3 years
Regasification and gas liquefaction equipment [Member]  
Disclosure of quantitative information about right-of-use assets [line items]  
Aggregate Lease Term Lease 4 years
Vessels and barges for hydrocarbon transportation [Member]  
Disclosure of quantitative information about right-of-use assets [line items]  
Aggregate Lease Term Lease 3 years
Truck fleets [Member]  
Disclosure of quantitative information about right-of-use assets [line items]  
Aggregate Lease Term Lease 2 years
Gas stations [member]  
Disclosure of quantitative information about right-of-use assets [line items]  
Aggregate Lease Term Lease 7 years
Reservoirs and installations for the underground storage of natural gas [Member]  
Disclosure of quantitative information about right-of-use assets [line items]  
Aggregate Lease Term Lease 6 years
Permits for the use of ports and land [Member]  
Disclosure of quantitative information about right-of-use assets [line items]  
Aggregate Lease Term Lease 6 years