v3.19.2

revenue from contracts with customers - Contract assets (Details) - CAD ($) $ in Millions | 3 Months Ended | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Dec. 31, 2018 | Jun. 30, 2018
Contract assets |  |  |  |  |  |  |
Contract assets | $ 0 | $ 1,279 | $ 1,475 | $ 0 | $ 1,441 | $ 1,475 | $ 1,272
Contract assets at beginning of period | 0 | 1,279 | 1,475 | 0 |  |  |
Net additions arising from operations | 350 | 303 | 671 | 584 |  |  |
Amounts billed in period and thus reclassified to accounts receivable | (357) | (313) | (703) | (617) |  |  |
Change in impairment allowance, net | (2) | 2 | (4) | 1 |  |  |
Other | 1 | 1 | 2 | 1 |  |  |
Contract assets at end of period | 1,441 | 1,272 | 1,441 | 1,272 |  |  |
Reconciliation of contract assets presented in the Consolidated statements of financial position - current |  |  |  |  |  |  |
Gross contract assets |  |  |  |  | 1,019 |  | 907
Reclassification to contract liabilities of contracts with contract assets less than contract liabilities |  |  |  |  | (5) |  | (5)
Reclassification from contract liabilities of contracts with contract liabilities less than contract assets |  |  |  |  | (155) |  | (142)
Current contract assets |  |  |  |  | 859 | 860 | 760
Wireless segment |  |  |  |  |  |  |
Contract assets |  |  |  |  |  |  |
Amounts billed in period and thus reclassified to accounts receivable | (330) | (287) | (650) | (567) |  |  |
The twelve month period ending one year hence |  |  |  |  |  |  |
Contract assets |  |  |  |  |  |  |
Contract assets | 1,019 | 907 | 1,017 | 907 | 1,019 | 1,017 | 907
Contract assets at beginning of period |  |  | 1,017 |  |  |  |
Contract assets at end of period | 1,019 | 907 | 1,019 | 907 |  |  |
The twelve month period ending two years hence |  |  |  |  |  |  |
Contract assets |  |  |  |  |  |  |
Contract assets | 407 | 354 | 444 | 354 | 407 | 444 | 354
Contract assets at beginning of period |  |  | 444 |  |  |  |
Contract assets at end of period | 407 | 354 | 407 | 354 |  |  |
Thereafter |  |  |  |  |  |  |
Contract assets |  |  |  |  |  |  |
Contract assets | 15 | 11 | 14 | 11 | $ 15 | $ 14 | $ 11
Contract assets at beginning of period |  |  | 14 |  |  |  |
Contract assets at end of period | $ 15 | $ 11 | $ 15 | $ 11 |  |  |

X
- Definition The amount of an entity’s right to consideration in exchange for goods or services that the entity has transferred to a customer, when that right is conditioned on something other than the passage of time (for example, the entity’s future performance). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2018-01-01 -Paragraph 105 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=15&date=2018-03-01&anchor=para_105&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2018-01-01 -Paragraph 116 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=15&date=2018-03-01&anchor=para_116_a&doctype=Standard -URIDate 2018-03-16 + Details
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Namespace Prefix: | ifrs-full_
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Balance Type: | debit
Period Type: | instant

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- References No definition available. + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The amount of current contract assets. [Refer: Contract assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2018-01-01 -Paragraph 105 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=15&date=2018-03-01&anchor=para_105&doctype=Standard -URIDate 2018-03-16 + Details
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Period Type: | instant

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- Definition The amount of current contract assets before reclassifications into and out of contract liabilities. + References No definition available. + Details
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Namespace Prefix: | tu_
Data Type: | xbrli:monetaryItemType
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- Definition The decrease in contract assets resulting from reclassification to accounts receivable. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
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- Definition The increase (decrease) in contract assets resulting from other activities. + References No definition available. + Details
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- Definition Increase (decrease) in impairment allowance for credit losses of financial assets. + References No definition available. + Details
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Namespace Prefix: | tu_
Data Type: | xbrli:monetaryItemType
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- Definition The increase in contract assets resulting from operational activities during the period. + References No definition available. + Details
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Namespace Prefix: | tu_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Definition Reclassification from contract liabilities for contracts with contract liabilities less than contract assets. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
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- Definition Reclassification of current contract assets to contract liabilities for contracts with contract assets less than contract liabilities. + References No definition available. + Details
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Period Type: | instant

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- Definition n/a + References No definition available. + Details
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- Details
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- Details
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