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Other assets and liabilities F.2. Inventories (Details) - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Subclassifications of assets, liabilities and equities [abstract]    
Telephone and equipment $ 39 $ 43
SIM cards 4 5
Other 10 15
Inventory $ 53 $ 63 [1]
[1] Restated after the finalization of the Guatemala purchase accounting. See note A.1.2. for further details.