v3.26.1
Assets Held for Sale and Associated Liabilities - Summary of the Main Assets Held For Sale and Associated Liabilities (Detail) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Assets Held For Sale And Associated Liabilities [Line Items]      
Property, plant and equipment $ 19,085 $ 18,736 $ 17,712
Assets 29,439 29,391 25,035
Liabilities 18,395 17,521 $ 15,984
Assets and liabilities classified as held for sale [member]      
Assets Held For Sale And Associated Liabilities [Line Items]      
Assets 1,019 1,537  
Liabilities 1,181 2,136  
Assets and liabilities classified as held for sale [member] | Upstream [member]      
Assets Held For Sale And Associated Liabilities [Line Items]      
Assets 1,013 1,506  
Liabilities 1,181 2,118  
Assets and liabilities classified as held for sale [member] | Midstream and Downstream [Member]      
Assets Held For Sale And Associated Liabilities [Line Items]      
Assets 6 31  
Liabilities   18  
Assets and liabilities classified as held for sale [member] | Hydrocarbon Wells Abandonment Obligations - Mature Fields Project [Member]      
Assets Held For Sale And Associated Liabilities [Line Items]      
Provision 1,172 2,051  
Assets and liabilities classified as held for sale [member] | Hydrocarbon Wells Abandonment Obligations - Mature Fields Project [Member] | Upstream [member]      
Assets Held For Sale And Associated Liabilities [Line Items]      
Provision 1,172 2,051  
Assets and liabilities classified as held for sale [member] | Environmental Liabilities - Mature Fields Project [Member]      
Assets Held For Sale And Associated Liabilities [Line Items]      
Provision 5 53  
Assets and liabilities classified as held for sale [member] | Environmental Liabilities - Mature Fields Project [Member] | Upstream [member]      
Assets Held For Sale And Associated Liabilities [Line Items]      
Provision 5 53  
Assets and liabilities classified as held for sale [member] | Mature Fields Project [Member]      
Assets Held For Sale And Associated Liabilities [Line Items]      
Liabilities 4 14  
Assets and liabilities classified as held for sale [member] | Mature Fields Project [Member] | Upstream [member]      
Assets Held For Sale And Associated Liabilities [Line Items]      
Liabilities 4 14  
Assets and liabilities classified as held for sale [member] | YPF Brazil [Member]      
Assets Held For Sale And Associated Liabilities [Line Items]      
Assets [1]   21  
Liabilities [1]   18  
Assets and liabilities classified as held for sale [member] | YPF Brazil [Member] | Midstream and Downstream [Member]      
Assets Held For Sale And Associated Liabilities [Line Items]      
Assets [1]   21  
Liabilities [1]   18  
Assets and liabilities classified as held for sale [member] | Mature Fields Project [Member]      
Assets Held For Sale And Associated Liabilities [Line Items]      
Property, plant and equipment 1,013 1,506  
Assets and liabilities classified as held for sale [member] | Mature Fields Project [Member] | Upstream [member]      
Assets Held For Sale And Associated Liabilities [Line Items]      
Property, plant and equipment 1,013 1,506  
Assets and liabilities classified as held for sale [member] | Gas Stations [member]      
Assets Held For Sale And Associated Liabilities [Line Items]      
Property, plant and equipment 6 10  
Assets and liabilities classified as held for sale [member] | Gas Stations [member] | Midstream and Downstream [Member]      
Assets Held For Sale And Associated Liabilities [Line Items]      
Property, plant and equipment $ 6 $ 10  
[1] On January 31, 2025, YPF sold its 100% interest in YPF Brasil.