v3.26.1
Shareholders' Equity - Additional Information (Detail)
$ / shares in Units, $ in Millions, $ in Millions
 12 Months Ended
May 04, 2012
Dec. 31, 2025
USD ($)
shares
Feb. 01, 2026
Dec. 31, 2025
$ / shares
Apr. 30, 2025
USD ($)
Apr. 30, 2025
ARS ($)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Disclosure Of Detailed information Of Share Capital [line items]                
Share capital   $ 3,921            
Description in classes of shares   four classes of shares (A, B, C and D)            
Par value of share | $ / shares       $ 10        
Description of voting rights   1 vote per share            
Description of shares based on grants outstanding   the affirmative vote of the Argentine Government is required for: (i) mergers; (ii) acquisitions of more than 50% of YPF shares in an agreed or hostile bid; (iii) transfers of all the YPF’s exploitation and exploration rights; (iv) the voluntary dissolution of YPF; (v) change of corporate and/or tax address outside Argentina; or (vi) make an acquisition that would result in the purchaser holding 15% or more of the Company’s capital stock, or 20% or more of the outstanding Class D shares. Items (iii) and (iv) also require prior approval by the Argentine Congress.            
Proportion of maximum shares acquired by related party     44.90%          
Repurchase of own shares issued, shares | shares   343,654            
Acquisition cost of treasury shares   $ 10            
Legal reserves as a percentage of net profit prior year adjustments and transfer from other comprehensive income minimum   5.00%            
Maximum percentage of legal reserve   20.00%            
Statutory reserve   $ 787         $ 787 $ 787
Restricted distribution of retained earnings   $ 35            
Percentage of voting equity interests acquired     44.90%          
Reserves for Purchase Of Treasury Share [member]                
Disclosure Of Detailed information Of Share Capital [line items]                
Retained earnings         $ 33 $ 34,205    
Reserve of gains and losses from investments in equity instruments [member]                
Disclosure Of Detailed information Of Share Capital [line items]                
Retained earnings         $ 6,587 $ 6,787,343    
Expropation Shares of YPF Owned by Repsol [Member]                
Disclosure Of Detailed information Of Share Capital [line items]                
Proportion of ownership interests in equity 57.43%              
Petersen Energia SAU and Affiliates [Member]                
Disclosure Of Detailed information Of Share Capital [line items]                
Participation in the capital stock 25.46%              
Federal Government [member]                
Disclosure Of Detailed information Of Share Capital [line items]                
Percentage of shares subject to expropriation 51.00%              
State or Province [member]                
Disclosure Of Detailed information Of Share Capital [line items]                
Percentage of shares subject to expropriation 49.00%              
Ordinary shares [member]                
Disclosure Of Detailed information Of Share Capital [line items]                
Number of shares of common stock | shares   393,312,793            
Class A shares [member]                
Disclosure Of Detailed information Of Share Capital [line items]                
Common shares outstanding | shares   3,764            
Proportion of maximum shares acquired by related party   50.00%            
Percentage of voting equity interests acquired   50.00%            
Capital Stock [Member]                
Disclosure Of Detailed information Of Share Capital [line items]                
Proportion of maximum shares acquired by related party   15.00%            
Percentage of voting equity interests acquired   15.00%            
Class D Shares [Member]                
Disclosure Of Detailed information Of Share Capital [line items]                
Proportion of maximum shares acquired by related party   20.00%            
Percentage of voting equity interests acquired   20.00%