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Remaining performance obligations (Tables) | 12 Months Ended
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Dec. 31, 2018
Revenue From Contract With Customer1 [Abstract] |
Remaining performance obligations | The following table includes revenues expected to be recognized in the future related to performance obligations that are unsatisfied (or partially unsatisfied) as at December 31, 2018.
| 2019 |  | 2020 |  | 2021 |  | 2022 |  | 2023 |  | THEREAFTER |  | TOTAL |
Wireline | 1,261 |  | 821 |  | 512 |  | 261 |  | 81 |  | 80 |  | 3,016 |
Wireless | 1,737 |  | 781 |  | 93 |  | 44 |  | 33 |  | 57 |  | 2,745 |
Total | 2,998 |  | 1,602 |  | 605 |  | 305 |  | 114 |  | 137 |  | 5,761 |

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- Definition The disclosure of performance obligations in contracts with customers. [Refer: Performance obligations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2018-01-01 -Paragraph 119 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=15&date=2018-03-01&anchor=para_119&doctype=Standard -URIDate 2018-03-16 + Details
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