XML 104 R32.htm IDEA: XBRL DOCUMENT
v3.20.4

The Millicom Group - A.2. Joint Ventures (Details) - USD ($) $ in Millions |  | 12 Months Ended
--- | --- | ---
Nov. 18, 2020 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Disclosure of joint ventures [line items] |  |  |  |
Statutory reserves unavailable for distribution |  | $ 310 | $ 306 | $ 324
Increase (Decrease) Joint Ventures [Roll Forward] |  |  |  |
Investments in joint ventures |  | 2,797 |  |
Investments in joint ventures |  | 2,642 | 2,797 |
Joint ventures |  |  |  |
Disclosure of joint ventures [line items] |  |  |  |
Total net assets |  | 3,072 | 3,346 |
Statutory reserves unavailable for distribution |  | 153 | 142 |
Dividends and advances paid to Millicom |  | 71 | 237 |
Guatemala joint ventures |  |  |  |
Disclosure of joint ventures [line items] |  |  |  |
Total net assets |  | $ 1,662 | $ 1,767 | $ 1,796
Proportion of ownership interest in joint venture | 55.00% | 55.00% | 55.00% | 55.00%
Dividends and advances paid to Millicom |  | $ 47 | $ 209 | $ 211
Increase (Decrease) Joint Ventures [Roll Forward] |  |  |  |
Investments in joint ventures |  | 2,089 | 2,104 |
Disposal of the Group's investments in Navega to Celtel |  | 0 |  |
Results for the year |  | 144 | 152 | 131
Accounting policy changes |  |  | 0 |
Results for the year |  | 144 | 152 | 131
Utilization of past unrecognized losses |  |  | 0 |
Capital increase |  |  | 0 |
Dividends declared during the year |  | (199) | (170) |
Currency exchange differences |  | (3) | 2 |
Investments in joint ventures |  | $ 2,031 | $ 2,089 | 2,104
Comunicaciones Celulares S.A |  |  |  |
Disclosure of joint ventures [line items] |  |  |  |
Proportion of ownership interest in joint venture |  | 55.00% | 55.00% |
Navega.com S.A. |  |  |  |
Disclosure of joint ventures [line items] |  |  |  |
Proportion of ownership interest in joint venture |  | 55.00% | 55.00% |
Honduras joint ventures |  |  |  |
Disclosure of joint ventures [line items] |  |  |  |
Total net assets |  | $ (8) | $ 176 | $ 198
Proportion of ownership interest in joint venture |  | 66.70% | 66.70% | 66.70%
Dividends and advances paid to Millicom |  | $ 24 | $ 28 | $ 32
Increase (Decrease) Joint Ventures [Roll Forward] |  |  |  |
Investments in joint ventures |  | 708 | 730 |
Disposal of the Group's investments in Navega to Celtel |  | (83) |  |
Results for the year |  | 27 | 27 | 23
Accounting policy changes |  |  | 0 |
Results for the year |  | 27 | 27 | 23
Utilization of past unrecognized losses |  |  | 0 |
Capital increase |  |  | 0 |
Dividends declared during the year |  | (55) | (37) |
Currency exchange differences |  | 13 | (12) |
Investments in joint ventures |  | $ 610 | $ 708 | 730
Telefonica Celular S.A |  |  |  |
Disclosure of joint ventures [line items] |  |  |  |
Proportion of ownership interest in joint venture |  | 66.70% | 66.70% |
Navega S.A. de CV |  |  |  |
Disclosure of joint ventures [line items] |  |  |  |
Proportion of ownership interest in joint venture |  | 66.70% | 66.70% |
Ghana joint ventures |  |  |  |
Disclosure of joint ventures [line items] |  |  |  |
Proportion of ownership interest in joint venture |  | 50.00% |  |
Increase (Decrease) Joint Ventures [Roll Forward] |  |  |  |
Investments in joint ventures |  | $ 0 |  |
Investments in joint ventures |  | 0 | $ 0 |
Ghana |  |  |  |
Disclosure of joint ventures [line items] |  |  |  |
Total net assets |  | $ (263) | $ (223) | $ (63)
Proportion of ownership interest in joint venture |  | 50.00% | 50.00% | 50.00%
Increase (Decrease) Joint Ventures [Roll Forward] |  |  |  |
Investments in joint ventures |  | $ 0 | $ 32 |
Disposal of the Group's investments in Navega to Celtel |  | 0 |  |
Results for the year |  | 0 | (40) | $ (68)
Accounting policy changes |  |  | 0 |
Results for the year |  | 0 | (40) | (68)
Utilization of past unrecognized losses |  |  | (5) |
Capital increase |  |  | 5 |
Dividends declared during the year |  | 0 | 0 |
Currency exchange differences |  | 0 | 8 |
Investments in joint ventures |  | $ 0 | $ 0 | $ 32
Bharti Airtel Ghana Holdings B.V. |  |  |  |
Disclosure of joint ventures [line items] |  |  |  |
Proportion of ownership interest in joint venture |  | 50.00% | 50.00% |

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfJointVenturesLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of dividends received. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2019-01-01 -Paragraph B12 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2019-en-r&anchor=para_B12_a&doctype=Appendix&subtype=B -URIDate 2019-03-27 + Details
Name: | ifrs-full_DividendsReceived
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of investments in joint ventures in an entity's separate financial statements. [Refer: Joint ventures [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2019-01-01 -Paragraph 10 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2019-en-r&anchor=para_10&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_InvestmentsInJointVentures
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of assets less the amount of liabilities. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 1 -IssueDate 2019-01-01 -Paragraph IG63 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2019-en-r&anchor=para_IG63&doctype=Implementation%20Guidance -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_112_c&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_NetAssetsLiabilities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The proportion of ownership interest in a joint venture attributable to the entity. [Refer: Joint ventures [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2019-01-01 -Paragraph 17 -Subparagraph b -Clause iii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2019-en-r&anchor=para_17_b_iii&doctype=Standard -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2019-01-01 -Paragraph 16 -Subparagraph b -Clause iii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2019-en-r&anchor=para_16_b_iii&doctype=Standard -URIDate 2019-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2019-01-01 -Paragraph 21 -Subparagraph a -Clause iv -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2019-en-r&anchor=para_21_a_iv&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_ProportionOfOwnershipInterestInJointVenture
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entity's share of the profit (loss) of joint ventures accounted for using the equity method. [Refer: Investments accounted for using equity method; Joint ventures [member]; Profit (loss)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 85 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_85&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_ShareOfProfitLossOfJointVenturesAccountedForUsingEquityMethod
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Decrease From Dividends Declared, Joint Ventures + References No definition available. + Details
Name: | tigo_DecreaseFromDividendsDeclaredJointVentures
Namespace Prefix: | tigo_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Disposals, Investment + References No definition available. + Details
Name: | tigo_DisposalsInvestment
Namespace Prefix: | tigo_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Increase (Decrease) In Joint Venture Arising From Change In Measurement Attribute, Initial Application Of IFRS 15 and IFRS 9 + References No definition available. + Details
Name: | tigo_IncreaseDecreaseInJointVentureArisingFromChangeInMeasurementAttributeInitialApplicationOfIFRS15andIFRS9
Namespace Prefix: | tigo_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Increase (Decrease) In Through Capital Increase, Joint Ventures + References No definition available. + Details
Name: | tigo_IncreaseDecreaseInThroughCapitalIncreaseJointVentures
Namespace Prefix: | tigo_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Increase (Decrease) Joint Ventures [Roll Forward] + References No definition available. + Details
Name: | tigo_IncreaseDecreaseJointVenturesRollForward
Namespace Prefix: | tigo_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Increase (Decrease) Through Net Exchange Differences, Joint Ventures + References No definition available. + Details
Name: | tigo_IncreaseDecreaseThroughNetExchangeDifferencesJointVentures
Namespace Prefix: | tigo_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Statutory Reserves Unavailable For Distribution + References No definition available. + Details
Name: | tigo_StatutoryReservesUnavailableForDistribution
Namespace Prefix: | tigo_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Utilization of Past Recognized Losses, Joint Ventures + References No definition available. + Details
Name: | tigo_UtilizationofPastRecognizedLossesJointVentures
Namespace Prefix: | tigo_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | ifrs-full_JointVenturesAxis=ifrs-full_JointVenturesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_JointVenturesAxis=tigo_GuatemalaJointVenturesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_JointVenturesAxis=tigo_ComunicacionesCelularesS.AMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_JointVenturesAxis=tigo_Navega.comS.A.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_JointVenturesAxis=tigo_HondurasJointVenturesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_JointVenturesAxis=tigo_TelefonicaCelularS.AMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_JointVenturesAxis=tigo_NavegaS.A.deCVMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_JointVenturesAxis=tigo_AirtelTigoGhanaJointVenturesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_JointVenturesAxis=tigo_AirtelTigoGhanaHoldingsB.V.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_JointVenturesAxis=tigo_BhartiAirtelGhanaHoldingsB.V.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |