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Other assets and liabilities F.1. Trade receivables (Details) - USD ($) $ in Millions | Dec. 31, 2018 | Jan. 01, 2018 | Dec. 31, 2017
--- | --- | --- | ---
Disclosure of financial assets that are either past due or impaired [line items] |  |  |
Trade receivables, net | $ 343 | $ 339 | $ 386
Neither past due nor impaired |  |  |
Disclosure of financial assets that are either past due or impaired [line items] |  |  |
Trade receivables, net | 210 |  | 259
Gross |  |  |
Disclosure of financial assets that are either past due or impaired [line items] |  |  |
Trade receivables, net | 592 |  | 597
Provisions |  |  |
Disclosure of financial assets that are either past due or impaired [line items] |  |  |
Trade receivables, net | (249) |  | (211)
30–90 days | Past due (net of impairments) |  |  |
Disclosure of financial assets that are either past due or impaired [line items] |  |  |
Trade receivables, net | 95 |  | 83
Greater than 90 days | Past due (net of impairments) |  |  |
Disclosure of financial assets that are either past due or impaired [line items] |  |  |
Trade receivables, net | 37 |  | 43
Telecom operators |  |  |
Disclosure of financial assets that are either past due or impaired [line items] |  |  |
Trade receivables, net | 39 |  | 49
Telecom operators | Neither past due nor impaired |  |  |
Disclosure of financial assets that are either past due or impaired [line items] |  |  |
Trade receivables, net | 17 |  | 29
Telecom operators | 30–90 days | Past due (net of impairments) |  |  |
Disclosure of financial assets that are either past due or impaired [line items] |  |  |
Trade receivables, net | 9 |  | 16
Telecom operators | Greater than 90 days | Past due (net of impairments) |  |  |
Disclosure of financial assets that are either past due or impaired [line items] |  |  |
Trade receivables, net | 14 |  | 4
Own customers |  |  |
Disclosure of financial assets that are either past due or impaired [line items] |  |  |
Trade receivables, net | 246 |  | 273
Own customers | Neither past due nor impaired |  |  |
Disclosure of financial assets that are either past due or impaired [line items] |  |  |
Trade receivables, net | 158 |  | 186
Own customers | 30–90 days | Past due (net of impairments) |  |  |
Disclosure of financial assets that are either past due or impaired [line items] |  |  |
Trade receivables, net | 69 |  | 52
Own customers | Greater than 90 days | Past due (net of impairments) |  |  |
Disclosure of financial assets that are either past due or impaired [line items] |  |  |
Trade receivables, net | 19 |  | 34
Others |  |  |
Disclosure of financial assets that are either past due or impaired [line items] |  |  |
Trade receivables, net | 58 |  | 64
Others | Neither past due nor impaired |  |  |
Disclosure of financial assets that are either past due or impaired [line items] |  |  |
Trade receivables, net | 36 |  | 43
Others | 30–90 days | Past due (net of impairments) |  |  |
Disclosure of financial assets that are either past due or impaired [line items] |  |  |
Trade receivables, net | 17 |  | 16
Others | Greater than 90 days | Past due (net of impairments) |  |  |
Disclosure of financial assets that are either past due or impaired [line items] |  |  |
Trade receivables, net | $ 5 |  | $ 5

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- Definition The amount of current trade receivables. [Refer: Trade receivables] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 78 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_78_b&doctype=Standard -URIDate 2018-03-16 Reference 2: 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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