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Performance B.6.3. Deferred tax (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Reconciliation of changes in deferred tax liability (asset) [abstract] |  |  |
Beginning of period | $ 4 | $ 1 |
Deferred tax assets | 167 | 153 | $ 141
Deferred tax liabilities | (149) | (149) | (140)
Acquisitions | (3) |  |
(Charge)/credit to income statement | 58 | 3 |
Charge to Other Comprehensive Income | 0 | 0 |
Exchange differences | (41) | 0 |
End of period | 18 | 4 |
Deductible temporary differences | 5,531 | 5,987 |
Unrecognized tax losses | 5,226 | 5,705 |
Temporary differences associated with investments in subsidiaries, branches and associates and interests in joint arrangements for which deferred tax liabilities have not been recognised | 1,313 |  |
Deferred tax liabilities | 149 | 149 | 140
Deferred tax liabilities, intragroup dividends | 39 | 44 | 26
Millicom International Cellular S.A. |  |  |
Reconciliation of changes in deferred tax liability (asset) [abstract] |  |  |
Unrecognized tax losses | 4,800 |  |
Unrecognized tax losses, expiring 17 years | 1,300 |  |
Unrecognized tax losses that do not expire | 3,500 |  |
Luxembourg |  |  |
Reconciliation of changes in deferred tax liability (asset) [abstract] |  |  |
Unrecognized tax losses | 4,848 | 5,283 |
Colombia |  |  |
Reconciliation of changes in deferred tax liability (asset) [abstract] |  |  |
Unrecognized tax losses | 361 | 379 |
Sweden |  |  |
Reconciliation of changes in deferred tax liability (asset) [abstract] |  |  |
Unrecognized tax losses | 1 | 15 |
Panama |  |  |
Reconciliation of changes in deferred tax liability (asset) [abstract] |  |  |
Unrecognized tax losses | 8 | 22 |
The Netherlands |  |  |
Reconciliation of changes in deferred tax liability (asset) [abstract] |  |  |
Unrecognized tax losses | 3 | 3 |
Bolivia |  |  |
Reconciliation of changes in deferred tax liability (asset) [abstract] |  |  |
Unrecognized tax losses | 3 | 3 |
Curacao |  |  |
Reconciliation of changes in deferred tax liability (asset) [abstract] |  |  |
Unrecognized tax losses | 0 | 1 |
United Kingdom |  |  |
Reconciliation of changes in deferred tax liability (asset) [abstract] |  |  |
Unrecognized tax losses | 1 | 1 |
Offset |  |  |
Reconciliation of changes in deferred tax liability (asset) [abstract] |  |  |
Deferred tax assets | 14 | 25 | 11
Deferred tax liabilities | (14) | (25) | (11)
Deferred tax liabilities | 14 | 25 | 11
Fixed assets |  |  |
Reconciliation of changes in deferred tax liability (asset) [abstract] |  |  |
Beginning of period | (23) | (33) |
Acquisitions | 4 |  |
(Charge)/credit to income statement | 21 | 10 |
Charge to Other Comprehensive Income | 1 | 0 |
Exchange differences | (19) | 0 |
End of period | (16) | (23) |
Deductible temporary differences | 119 | 112 |
Fixed assets | Before Offset |  |  |
Reconciliation of changes in deferred tax liability (asset) [abstract] |  |  |
Deferred tax assets | 76 | 92 | 88
Deferred tax liabilities | (92) | (115) | (121)
Deferred tax liabilities | 92 | 115 | 121
Unused tax losses |  |  |
Reconciliation of changes in deferred tax liability (asset) [abstract] |  |  |
Beginning of period | 0 | 0 |
Acquisitions | 0 |  |
(Charge)/credit to income statement | 0 | 0 |
Charge to Other Comprehensive Income | 0 | 0 |
Exchange differences | 0 | 0 |
End of period | 0 | 0 |
Deductible temporary differences | 5,226 | 5,705 |
Unused tax losses | Before Offset |  |  |
Reconciliation of changes in deferred tax liability (asset) [abstract] |  |  |
Deferred tax assets | 0 |  | 0
Deferred tax liabilities | 0 |  | 0
Deferred tax liabilities | 0 |  | 0
Unremitted earnings |  |  |
Reconciliation of changes in deferred tax liability (asset) [abstract] |  |  |
Beginning of period | (47) | (26) |
Deferred tax liabilities | 0 | (803) | (672)
Acquisitions | 0 |  |
(Charge)/credit to income statement | 8 | (21) |
Charge to Other Comprehensive Income | 0 | 0 |
Exchange differences | 0 | 0 |
End of period | (39) | (47) |
Deferred tax liabilities | 0 | 803 | 672
Unremitted earnings | Before Offset |  |  |
Reconciliation of changes in deferred tax liability (asset) [abstract] |  |  |
Deferred tax assets | 0 | 0 | 0
Deferred tax liabilities | (39) | (47) | (26)
Deferred tax liabilities | 39 | 47 | 26
Other |  |  |
Reconciliation of changes in deferred tax liability (asset) [abstract] |  |  |
Beginning of period | 74 | 60 |
Acquisitions | (7) |  |
(Charge)/credit to income statement | 29 | 14 |
Charge to Other Comprehensive Income | (1) | 0 |
Exchange differences | (22) | 0 |
End of period | 73 | 74 |
Deductible temporary differences | 186 | 170 |
Other | Before Offset |  |  |
Reconciliation of changes in deferred tax liability (asset) [abstract] |  |  |
Deferred tax assets | 105 | 86 | 64
Deferred tax liabilities | (32) | (12) | (4)
Deferred tax liabilities | 32 | 12 | $ 4
Within one year |  |  |
Reconciliation of changes in deferred tax liability (asset) [abstract] |  |  |
Unrecognized tax losses | 0 | 1 |
Within one to five years |  |  |
Reconciliation of changes in deferred tax liability (asset) [abstract] |  |  |
Unrecognized tax losses | 12 | 25 |
Between five to fifteen years |  |  |
Reconciliation of changes in deferred tax liability (asset) [abstract] |  |  |
Unrecognized tax losses | 1,625 | 1,715 |
No expiry |  |  |
Reconciliation of changes in deferred tax liability (asset) [abstract] |  |  |
Unrecognized tax losses | $ 3,589 | $ 3,964 |

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