XML 243 R65.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Capital structure and financing - C.6.3. Call and put options (Details) - USD ($) $ in Millions | Dec. 13, 2018 | Oct. 07, 2018 | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | --- | --- | ---
Disclosure of detailed information about business combination [line items] |  |  |  |
Add (less) derivatives related to debt (SEK currency swap) |  |  | $ 0 | $ 56
Cable Onda S.A |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |
Percentage ownership help by non-controlling interest | 20.00% | 20.00% |  |
Vesting period of put option | 42 months |  |  |
Add (less) derivatives related to debt (SEK currency swap) | $ 239 |  |  |
Vesting period of call option | 42 months |  |  |
Threshold for ownership percentage of counterparty to make call option exercisable | 10.00% |  |  |
Interest rate on call option | 10.00% |  |  |

X
- Definition The amount of financial liabilities classified as derivative instruments. [Refer: Financial assets; Derivatives [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_55&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_DerivativeFinancialLiabilities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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_DisclosureOfBusinessCombinationsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The proportion of ownership interests in a subsidiary held by non-controlling interests. [Refer: Subsidiaries [member]; Non-controlling interests] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2018-01-01 -Paragraph 12 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=12&date=2018-03-01&anchor=para_12_c&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_ProportionOfOwnershipInterestsHeldByNoncontrollingInterests
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Interest Rate on Call Option + References No definition available. + Details
Name: | tigo_InterestRateonCallOption
Namespace Prefix: | tigo_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Threshold for Ownership Percentage of Counterparty to Make Call Option Exercisable + References No definition available. + Details
Name: | tigo_ThresholdforOwnershipPercentageofCounterpartytoMakeCallOptionExercisable
Namespace Prefix: | tigo_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Vesting Period of Call Option + References No definition available. + Details
Name: | tigo_VestingPeriodofCallOption
Namespace Prefix: | tigo_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Vesting Period of Put Option + References No definition available. + Details
Name: | tigo_VestingPeriodofPutOption
Namespace Prefix: | tigo_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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