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Long-term assets - E.1.4. Cash used for the purchase of intangible assets (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Subclassifications of assets, liabilities and equities [abstract]      
Additions $ 164 $ 520 $ 202
Change in accruals and payables for intangibles (29) (315) (32)
Cash used for additions $ 135 [1] $ 202 $ 171
[1] The cash flows of Tigo Guatemala are fully consolidated since the acquisition of the remaining 45% shareholding on November 12, 2021. See note A.1.2. for further details. As a result, numbers might not be directly comparable with previous years' figures.