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The Millicom Group - A.1.3. Disposal of subsidiaries and decreases in non-controlling interests of subsidiaries (Details) - USD ($) $ in Millions |  |  | 1 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Apr. 05, 2022 | Jun. 26, 2019 | Aug. 31, 2020 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2016
Disclosure of analysis of single amount of discontinued operations [abstract] |  |  |  |  |  |  |  |  |  |
Cost of sales |  |  |  | $ (1,506) | [1] | $ (1,197) | [2] | $ (1,060) | [2] |
Operating expenses |  |  |  | (1,890) | [1] | (1,546) | [2] | (1,383) | [2] |
Depreciation and amortization |  |  |  | (1,344) |  | (1,113) |  | (1,119) |  |
Other operating income (expenses), net |  |  |  | (2) | [1] | 5 | [2] | (12) | [2] |
Operating profit |  |  |  | 915 | [1] | 619 | [2] | 402 | [2] |
Other non-operating (expenses) income, net |  |  |  | (78) | [1] | (49) | [2] | (107) | [2] |
Profit (loss) before taxes from continuing operations |  |  |  | 238 | [1] | 728 | [2],[3] | (252) | [2],[3] |
Net profit/(loss) from discontinued operations |  |  |  | 113 | [1] | (28) | [2] | (60) | [2] |
Cash Flow from Discontinued Operations [Abstract] |  |  |  |  |  |  |  |  |  |
Cash from operating activities, net |  |  |  | 18 |  | 87 |  | 69 |  |
Cash from (used in) investing activities, net |  |  |  | (10) |  | (46) |  | (43) |  |
Cash from (used in) financing activities, net |  |  |  | (9) |  | (35) |  | (34) |  |
Increase (decrease) in cash and cash equivalents, discontinued operations |  |  |  | (1) |  | 5 |  | (8) |  |
Tazania legislation requirement, OPA, percentage of shares (in percent) |  |  |  |  |  |  |  |  |  | 25.00%
Discontinued operations |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of single amount of discontinued operations [abstract] |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  | 88 |  | 357 |  | 366 |  |
Cost of sales |  |  |  | (26) |  | (104) |  | (111) |  |
Operating expenses |  |  |  | (27) |  | (131) |  | (126) |  |
Depreciation and amortization |  |  |  | (21) |  | (83) |  | (89) |  |
Other operating income (expenses), net |  |  |  | 4 |  | 1 |  | (9) |  |
Gain/(loss) on disposal of discontinued operations |  |  |  | 120 |  | 0 |  | 0 |  |
Other expenses linked to the disposal of discontinued operations |  |  |  | (11) |  | 0 |  | (1) |  |
Operating profit |  |  |  | 127 |  | 39 |  | 32 |  |
Financial income (expenses), net (i) |  |  |  | (12) |  | (36) |  | (64) |  |
Other non-operating (expenses) income, net |  |  |  | 0 |  | (1) |  | 1 |  |
Profit (loss) before taxes from continuing operations |  |  |  | 116 |  | 3 |  | (31) |  |
Credit (charge) for taxes, net |  |  |  | (3) |  | (31) |  | (29) |  |
Net profit/(loss) from discontinued operations |  |  |  | $ 113 |  | $ (28) |  | $ (60) |  |
Discontinued operations | Discontinued Operations - Tanzania |  |  |  |  |  |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |  |  |  |  |  |
Total net assets | $ (79) |  |  |  |  |  |  |  |  |
Consideration for disposal of operations | 101 |  |  |  |  |  |  |  |  |
Gross gain on sale (B) - (A) | 180 |  |  |  |  |  |  |  |  |
Other operating expenses linked to the disposal | (11) |  |  |  |  |  |  |  |  |
Other operating income/expenses, net | (5) |  |  |  |  |  |  |  |  |
Gain on sale before reclassification of foreign currency translation reserve | 165 |  |  |  |  |  |  |  |  |
Reclassification of foreign currency translation reserve | (56) |  |  |  |  |  |  |  |  |
Net gain on sale | $ 109 |  |  |  |  |  |  |  |  |
Discontinued operations | Discontinued Operations - Chad |  |  |  |  |  |  |  |  |  |
Cash Flow from Discontinued Operations [Abstract] |  |  |  |  |  |  |  |  |  |
Cash consideration for disposal of operations |  | $ 110 |  |  |  |  |  |  |  |
Disposal group, price adjustment |  |  | $ 8 |  |  |  |  |  |  |
[1] | Tigo Guatemala is 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.
[2] | Re-presented for discontinued operations (see note A.4.)
[3] | Re-presented for discontinued operations (see note A.4.).

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- Definition The tax expense (income) relating to the profit (loss) arising from ordinary activities of discontinued operations. [Refer: Discontinued operations [member]; Profit (loss)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 5 -IssueDate 2022-03-24 -Paragraph 33 -Subparagraph b -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=5&code=ifrs-tx-2022-en-r&anchor=para_33_b_ii&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2022-03-24 -Paragraph 81 -Subparagraph h -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2022-en-r&anchor=para_81_h_ii&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition Cash Flow From Discontinued Operations + References No definition available. + Details
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- Definition Disposal Group, Including Discontinued Operations, Consideration + References No definition available. + Details
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- Definition Gain (Loss) From Disposal Of Discontinued Operations Before Reclassification Of Foreign Currency Translation Reserve + References No definition available. + Details
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- Definition Gross Net Gain (Loss) From Disposal Of Discontinued Operations + References No definition available. + Details
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- Definition Other Operating Expenses Linked To The Disposal, Discontinued Operations + References No definition available. + Details
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