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Main Regulations and Other - Additional Information (Detail)
$ / shares in Units, $ in Millions, $ in Millions
 12 Months Ended
Feb. 22, 2023
Dec. 01, 2022
ARS ($)
Aug. 16, 2022
ARS ($)
Nov. 11, 2021
Jul. 07, 2021
Jan. 01, 2021
Aug. 26, 2020
Jul. 31, 2020
Mar. 04, 2020
Dec. 23, 2019
Dec. 31, 2022
USD ($)
Wells
Dec. 31, 2021
USD ($)
$ / shares
Dec. 31, 2020
USD ($)
$ / shares
Dec. 31, 2019
$ / shares
Dec. 31, 2018
$ / shares
Dec. 31, 2022
ARS ($)
May 19, 2020
$ / bbl
May 09, 2020
Main regulations and others [line items]                                    
Consent expression term                     10 years              
Distribution license                     35 or 45-year period              
General tax rate                     25.33% 34.55% 29.36%          
Provisional Compensation                     $ 117              
Personal assets tax rate                     0.50% 0.50% 0.50%          
Payment in plans instalments description       72 instalments       48 to 120 instalments                    
Percentage interest in excess of principal outstanding amount       40                            
Percentage of reductions in export duty                     33 31 33          
Percentage rate variation in the CPI                         15 30 55      
Positive or negative adjustment for inflation description                   1/6 of the positive or negative adjustment for inflation provided for under Title VI of the Income Tax Law, for the first and second fiscal years beginning in January 2019, was recorded in such fiscal year, and the remaining 5/6 in equal parts over the immediately following five fiscal years.                
Tax rate of distribution of dividends and profits to individuals undivided estates and foreign beneficiaries                       7            
Percentage Repatriation Of Assets Legal Compliance             30.00%                      
Number Of Wells Obtained | Wells                     6              
Income Tax Expense     $ 100                              
Tax effect of tax losses     300                              
Income tax prepayments     $ 0                              
Percentage of base pre-payment of tax arrived on general method     25.00%                              
Percentage of prepayments of tax arrived without considering the tax losses     15.00%                              
Tax effect from change in tax rate                     $ (25) $ (439) $ 41          
No certificates of Argentine deposits representing foreign shares jointly exceeding                               $ 100,000    
Province Of Chubut [member]                                    
Main regulations and others [line items]                                    
Percentage of royalty granted                     50.00%              
Term Of Royalty Applicable                     10 years              
Province Of Chubut [member] | El Trébol Area [Member]                                    
Main regulations and others [line items]                                    
Percentage of royalty granted                     6.00%              
Province Of Chubut [member] | Restinga Al Area [Member]                                    
Main regulations and others [line items]                                    
Percentage of royalty granted                     6.00%              
Fixed interest rate [member]                                    
Main regulations and others [line items]                                    
Borrowings, interest rate               2.00%                    
Resolution 46 Program [Member]                                    
Main regulations and others [line items]                                    
Percentage of compensation distributed in program to companies                       88.00%            
Percentage of compensation distributed in program to province                       12.00%            
Changes in tax rates or tax laws enacted or announced [member]                                    
Main regulations and others [line items]                                    
Tax effect from change in tax rate   $ 30,000                                
Changes in tax rates or tax laws enacted or announced [member] | Diesel Oil [Member]                                    
Main regulations and others [line items]                                    
General tax rate 20.00%                                  
Changes in tax rates or tax laws enacted or announced [member] | Naphtha [Member]                                    
Main regulations and others [line items]                                    
General tax rate 17.00%                                  
Bottom of range [member]                                    
Main regulations and others [line items]                                    
General tax rate                       25.00%            
Percentage of Reduction in Income Tax Rate           25.00%                        
Dividend Withholding Rate           7.00%                        
Floating Export Duty Rate                                   0.00%
Export Duties | $ / bbl                                 45  
Bottom of range [member] | Agricultural products [member]                                    
Main regulations and others [line items]                                    
Percentage of increase in export duty                 12.00%                  
Top of range [member]                                    
Main regulations and others [line items]                                    
General tax rate                       35.00%            
Percentage of Reduction in Income Tax Rate                         30.00%          
Dividend Withholding Rate                         13.00%          
Floating Export Duty Rate                                   8.00%
Export Duties | $ / bbl                                 60  
Top of range [member] | Agricultural products [member]                                    
Main regulations and others [line items]                                    
Percentage of increase in export duty                 33.00%                  
Metrogas [member]                                    
Main regulations and others [line items]                                    
Public distribution service term                     35 years              
License renewal term                     10 years              
Extendable term of plan         3 years           3 years              
Hydrocarbon distribution [member]                                    
Main regulations and others [line items]                                    
Direct investment in foreign currency amended by law                     $ 250              
Percentage of sale on production of liquid and gaseous hydrocarbons                     20.00%              
Percentage of export duty for liquid and gaseous hydrocarbons                     0.00%              
Export duty percentage                         4.50%          
Permit of conventional exploration term                     3 years              
Permit of extension of conventional exploration term                     5 years              
Permit of unconventional exploration term                     4 years              
Permit of extension of unconventional exploration term                     5 years              
Permit of continental shelf and territorial waters exploration term                     3 years              
Conventional exploitation concession term                     25 years              
Unconventional exploitation concession term                     35 years              
Contintntal shelf and territorial water concession term                     30 years              
Percentage of concession fee                     (5.00%)              
Hydrocarbon distribution [member] | Bottom of range [member]                                    
Main regulations and others [line items]                                    
Direct investment in foreign currency                     $ 1,000              
Percentage of advance fee                     12.00%              
Hydrocarbon distribution [member] | Top of range [member]                                    
Main regulations and others [line items]                                    
Permit of unconventional exploration term                     13 years              
Permit of extension of continental shelf and territorial waters exploration term                     1 year              
Percentage of advance fee                     18.00%              
LNG [Member]                                    
Main regulations and others [line items]                                    
Export permit term                     20 years              
Unconventional Gas [Member]                                    
Main regulations and others [line items]                                    
Sales price | $ / shares                       $ 6 $ 6.5 $ 7 $ 7.5