v3.19.2

advance billings and customer deposits | 6 Months Ended
--- | ---
Jun. 30, 2019
advance billings and customer deposits |
advance billings and customer deposits | 24 advance billings and customer deposits
|  | June 30, |  | December 31,
As at (millions) |  | 2019 |  | 2018
Advance billings |  | $ | 550 |  | $ | 538
Deferred customer activation and connection fees |  |  | 9 |  |  | 10
Customer deposits |  |  | 13 |  |  | 13
Contract liabilities |  |  | 572 |  |  | 561
Other |  |  | 93 |  |  | 95
|  | $ | 665 |  | $ | 656
Contract liabilities represent our future performance obligations to customers in respect of services and/or equipment and for which we have received consideration from the customer or for which an amount is due from the customer. Our contract liability balances, and the changes in those balances, are set out in the following table:
|  |  |  | Three months |  | Six months
Periods ended June 30 (millions) |  | Note |  | 2019 |  | 2018 |  | 2019 |  | 2018
Balance, beginning of period |  |  |  | $ | 814 |  | $ | 788 |  | $ | 811 |  | $ | 780
Revenue deferred in previous period and recognized in current period |  |  |  |  | (642) |  |  | (637) |  |  | (647) |  |  | (689)
Net additions arising from operations |  |  |  |  | 638 |  |  | 628 |  |  | 641 |  |  | 686
Additions arising from business acquisitions |  | 18(b) |  |  | 1 |  |  | 1 |  |  | 6 |  |  | 3
Balance, end of period |  |  |  | $ | 811 |  | $ | 780 |  | $ | 811 |  | $ | 780
Current |  |  |  |  |  |  |  |  |  | $ | 732 |  | $ | 691
Non-current |  | 27 |  |  |  |  |  |  |  |  |  |  |  |
Deferred revenues |  |  |  |  |  |  |  |  |  |  | 65 |  |  | 72
Deferred customer activation and connection fees |  |  |  |  |  |  |  |  |  |  | 14 |  |  | 17
|  |  |  |  |  |  |  |  |  | $ | 811 |  | $ | 780
Reconciliation of contract liabilities presented in the consolidated statements of financial position – current |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gross contract liabilities |  |  |  |  |  |  |  |  |  | $ | 732 |  | $ | 691
Reclassification to contract assets for contracts with contract liabilities less than contract assets |  |  |  |  |  |  |  |  |  |  | (155) |  |  | (142)
Reclassification from contract assets for contracts with contract assets less than contract liabilities |  |  |  |  |  |  |  |  |  |  | (5) |  |  | (5)
|  |  |  |  |  |  |  |  |  | $ | 572 |  | $ | 544

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- Definition The disclosure of deposits from customers. [Refer: Deposits from customers] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 10 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_10_e&doctype=Standard -URIDate 2018-03-16 + Details
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Period Type: | duration

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- Definition n/a + References No definition available. + Details
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Namespace Prefix: | tu_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration