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The Millicom Group - A.1.2. Acquisition of subsidiaries and changes in non-controlling interests in subsidiaries (Details) - USD ($) $ in Millions | Oct. 30, 2025 | Oct. 07, 2025
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Uruguay Acquisition |  |
Disclosure of detailed information about business combination [line items] |  |
Intangible assets (excluding goodwill) |  | $ 203
Property, plant and equipment |  | 120
Right of use assets |  | 82
Other non-current assets |  | 9
Current assets (excluding cash) |  | 43
Trade receivables |  | 24
Cash and cash equivalents |  | 53
Total assets acquired |  | 534
Lease liabilities |  | 82
Other debt and financing |  | 200
Other liabilities |  | 78
Total liabilities assumed |  | 360
Identifiable assets acquired (liabilities assumed) |  | 174
Purchase consideration |  | 301
Provisional goodwill arising on acquisition |  | $ 127
Ecuador Acquisition |  |
Disclosure of detailed information about business combination [line items] |  |
Intangible assets (excluding goodwill) | $ 216 |
Property, plant and equipment | 269 |
Right of use assets | 233 |
Other non-current assets | 20 |
Current assets (excluding cash) | 110 |
Trade receivables | 32 |
Cash and cash equivalents | 83 |
Total assets acquired | 963 |
Lease liabilities | 231 |
Other debt and financing | 85 |
Other liabilities | 267 |
Total liabilities assumed | 583 |
Identifiable assets acquired (liabilities assumed) | 380 |
Purchase consideration | 380 |
Provisional goodwill arising on acquisition | $ 0 |

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