v3.26.1
Right-of-use Assets - Summary of Evolution of the Group's Right-of-use Assets (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Disclosure of quantitative information about right-of-use assets [line items]        
Beginning balance $ 743 $ 631 $ 541  
Increases 216 444 404  
Ending balance 537 743 631 $ 541
Land and buildings [member]        
Disclosure of quantitative information about right-of-use assets [line items]        
Beginning balance 20 16 14  
Ending balance 8 20 16 14
Exploitation Facilities and Equipment [member]        
Disclosure of quantitative information about right-of-use assets [line items]        
Beginning balance 66 151 194  
Ending balance 51 66 151 194
Machinery and equipment [member]        
Disclosure of quantitative information about right-of-use assets [line items]        
Beginning balance 327 199 74  
Ending balance 252 327 199 74
Gas Stations [member]        
Disclosure of quantitative information about right-of-use assets [line items]        
Beginning balance 47 45 56  
Ending balance 35 47 45 56
Transportation equipment [member]        
Disclosure of quantitative information about right-of-use assets [line items]        
Beginning balance 283 220 203  
Ending balance 191 283 220 203
Cost [member]        
Disclosure of quantitative information about right-of-use assets [line items]        
Increases 216 444 404  
Translation effect (8) (3) (19)  
Adjustment for inflation [1] 5 15 11  
Decreases, reclassifications and other movements (81) (88) (27)  
Right of use assets 2,150 2,018 1,650 1,281
Cost [member] | Land and buildings [member]        
Disclosure of quantitative information about right-of-use assets [line items]        
Increases   12 13  
Translation effect     (1)  
Adjustment for inflation [1] 0 1    
Decreases, reclassifications and other movements (7) (1) (5)  
Right of use assets 45 52 40 33
Cost [member] | Exploitation Facilities and Equipment [member]        
Disclosure of quantitative information about right-of-use assets [line items]        
Increases 37 16 93  
Decreases, reclassifications and other movements (19) (15) (21)  
Right of use assets 586 568 567 495
Cost [member] | Machinery and equipment [member]        
Disclosure of quantitative information about right-of-use assets [line items]        
Increases 40 219 169  
Decreases, reclassifications and other movements (4) (59) (1)  
Right of use assets 647 611 451 283
Cost [member] | Gas Stations [member]        
Disclosure of quantitative information about right-of-use assets [line items]        
Increases   11 1  
Translation effect (8) (3) (18)  
Adjustment for inflation [1] 5 14 11  
Decreases, reclassifications and other movements   (2)    
Right of use assets 111 114 94 100
Cost [member] | Transportation equipment [member]        
Disclosure of quantitative information about right-of-use assets [line items]        
Increases 139 186 128  
Decreases, reclassifications and other movements (51) (11)    
Right of use assets 761 673 498 370
Accumulated depreciation [member]        
Disclosure of quantitative information about right-of-use assets [line items]        
Increases [2] 343 331 288  
Translation effect (6) (3) (11)  
Adjustment for inflation [1] 4 11 6  
Decreases, reclassifications and other movements (3) (83) (4)  
Right of use assets 1,613 1,275 1,019 740
Accumulated depreciation [member] | Land and buildings [member]        
Disclosure of quantitative information about right-of-use assets [line items]        
Increases 6 7 6  
Translation effect     (1)  
Adjustment for inflation [1]   1    
Decreases, reclassifications and other movements (1)      
Right of use assets 37 32 24 19
Accumulated depreciation [member] | Exploitation Facilities and Equipment [member]        
Disclosure of quantitative information about right-of-use assets [line items]        
Increases 35 101 119  
Decreases, reclassifications and other movements (2) (15) (4)  
Right of use assets 535 502 416 301
Accumulated depreciation [member] | Machinery and equipment [member]        
Disclosure of quantitative information about right-of-use assets [line items]        
Increases 111 88 43  
Decreases, reclassifications and other movements   (56)    
Right of use assets 395 284 252 209
Accumulated depreciation [member] | Gas Stations [member]        
Disclosure of quantitative information about right-of-use assets [line items]        
Increases 11 12 9  
Translation effect (6) (3) (10)  
Adjustment for inflation [1] 4 10 6  
Decreases, reclassifications and other movements   (1)    
Right of use assets 76 67 49 44
Accumulated depreciation [member] | Transportation equipment [member]        
Disclosure of quantitative information about right-of-use assets [line items]        
Increases 180 123 111  
Decreases, reclassifications and other movements   (11)    
Right of use assets $ 570 $ 390 $ 278 $ 167
[1] Corresponds to the adjustment for inflation of opening balances of right-of-use assets of subsidiaries with the peso as functional currency which was charged to “Other comprehensive income” in the statement of comprehensive income.
[2] Includes 286, 270 and 220 that were charged to “Depreciation of right-of-use assets” line in the statement of comprehensive income for the years ended December 31, 2025, 2024 and 2023, respectively, (see Note 27), and includes 57, 61 and 68 that were capitalized in “Property, plant and equipment” in the statement of financial position (see Note 8).