short-term borrowings (Details) - CAD ($) $ in Millions |
May 22, 2024 |
Jun. 30, 2026 |
Dec. 31, 2025 |
Jun. 30, 2025 |
|---|---|---|---|---|
| short-term borrowings | ||||
| Trade receivables and unbilled customer finance receivables, maximum capacity | $ 1,600 | |||
| Cash proceeds from monthly sales | $ 920 | |||
| Short-term borrowings | $ 1,225 | $ 920 | $ 922 | |
| New revolving period securitization agreement | ||||
| short-term borrowings | ||||
| Short-term borrowings | 900 | 900 | ||
| Non-revolving credit facility | ||||
| short-term borrowings | ||||
| Unsecured non-revolving bank credit facility | 650 | |||
| Short-term borrowings | 300 | 0 | ||
| TELUS Corporation unsecured revolving credit facility | ||||
| short-term borrowings | ||||
| Unsecured non-revolving bank credit facility | 650 | |||
| TELUS Communications Inc. | Revolving period securitization agreement | ||||
| short-term borrowings | ||||
| Short-term borrowings | $ 1,200 | $ 900 |