XML 339 R91.htm IDEA: XBRL DOCUMENT v3.26.1
Other assets and liabilities F.2. Inventories (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Subclassifications of assets, liabilities and equities [abstract]    
Telephone and equipment $ 56 $ 32
SIM cards 4 2
Other 10 9
Inventory $ 70 $ 44