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Other assets and liabilities F.2. Inventories (Details) - USD ($) $ in Millions | Dec. 31, 2018 | Dec. 31, 2017
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Subclassifications of assets, liabilities and equities [abstract] |  |
Telephone and equipment | $ 26 | $ 28
SIM cards | 4 | 6
IRUs | 3 | 3
Other | 6 | 9
Inventory | $ 39 | $ 45

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- Definition The amount of current inventories. [Refer: Inventories] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 2 -IssueDate 2018-01-01 -Paragraph 36 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=2&date=2018-03-01&anchor=para_36_b&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 54 -Subparagraph g -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_54_g&doctype=Standard -URIDate 2018-03-16 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 68 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_68&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The amount of inventory that the entity does not separately disclose in the same statement or note. [Refer: Inventories] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 2 -IssueDate 2018-01-01 -Paragraph 37 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=2&date=2018-03-01&anchor=para_37&doctype=Standard -URIDate 2018-03-16 + Details
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- References No definition available. + Details
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- Definition Current SIM Card Inventory + References No definition available. + Details
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- Definition Current Telephone and Equipment Inventory + References No definition available. + Details
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