advance billings and customer deposits - Contract liabilities (Details) - CAD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| advance billings and customer deposits | ||||
| Contract liabilities at beginning of period | $ 1,182 | $ 1,135 | $ 1,161 | $ 1,102 |
| Revenue deferred in previous period and recognized in current period | (725) | (636) | (649) | (631) |
| Net additions arising from operations | 667 | 654 | 612 | 682 |
| Additions arising from business acquisitions | 23 | 23 | ||
| Contract liabilities at end of period | 1,124 | 1,176 | 1,124 | 1,176 |
| Current | 965 | 1,026 | 965 | 1,026 |
| Non-current | ||||
| Deferred revenues | 158 | 147 | 158 | 147 |
| Deferred customer activation and connection fees | $ 1 | $ 3 | $ 1 | $ 3 |
| X | ||||||||||
- Definition The amount of an entity’s obligation to transfer goods or services to a customer for which the entity has received consideration (or the amount is due) from the customer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The increase in contract liabilities resulting from business combinations. [Refer: Total for all business combinations [member]; Contract liabilities] Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The amount of non-current deferred income including non-current contract liabilities. [Refer: Deferred income including contract liabilities] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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- Definition The amount of current contract liabilities before reclassifications into and out of contract assets. No definition available.
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- Definition The amount of deferred customer activation and connection fees classified as non current. No definition available.
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- Definition The increase in contract liabilities resulting from operation during the period. No definition available.
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- Definition Non-current. No definition available.
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- Definition Represents the information pertaining to revenue deferred in previous period and recognized in current period. No definition available.
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