v3.26.1
Investments in Financial Assets - Summary of Investments in Financial Assets (Detail) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure of financial assets [line items]      
Non-current $ 0 $ 0 $ 8
Current 262 390 264
Investments in financial assets at amortized cost, category [member]      
Disclosure of financial assets [line items]      
Non-current 0 0 8
Current 0 0 150
Investments in financial assets at fair value through profit or loss, category [member]      
Disclosure of financial assets [line items]      
Non-current 0 0 0
Current 262 390 114
Public securities [member] | Investments in financial assets at amortized cost, category [member]      
Disclosure of financial assets [line items]      
Non-current 0 0 0
Current 0 0 99
Public securities [member] | Investments in financial assets at fair value through profit or loss, category [member]      
Disclosure of financial assets [line items]      
Non-current 0 0 0
Current 250 [1] 381 114
Private securities - NO and stock market promissory notes [member] | Investments in financial assets at amortized cost, category [member]      
Disclosure of financial assets [line items]      
Non-current 0 0 8
Current 0 0 4
Private securities - NO and stock market promissory notes [member] | Investments in financial assets at fair value through profit or loss, category [member]      
Disclosure of financial assets [line items]      
Non-current 0 0 0
Current 12 9 0
Term Deposits [Member] | Investments in financial assets at amortized cost, category [member]      
Disclosure of financial assets [line items]      
Non-current [2] 0 0 0
Current [2] $ 0 $ 0 $ 47
[1] See Note 36.
[2] Corresponds to term deposits with the BNA.