long-term debt - TELUS Corporation commercial paper (Details) $ in Millions, $ in Billions |
Jun. 30, 2026
CAD ($)
|
Jun. 30, 2026
USD ($)
|
Dec. 31, 2025
CAD ($)
|
Dec. 31, 2025
USD ($)
|
Jun. 30, 2025
CAD ($)
|
|---|---|---|---|---|---|
| TELUS Corporation commercial paper | |||||
| Current maturities of long-term debt | $ 3,802 | $ 3,102 | |||
| Long-term debt | 30,231 | 30,539 | $ 32,194 | ||
| TELUS Corporation commercial paper | |||||
| TELUS Corporation commercial paper | |||||
| Maximum aggregate amount of credit facility | 2,100 | ||||
| Long-term debt | 2,100 | $ 1.5 | $ 1,000 | $ 0.7 | |
| Effective average interest rate | 4.40% | 4.40% | |||
| TELUS Corporation commercial paper | Maximum | |||||
| TELUS Corporation commercial paper | |||||
| Maximum aggregate amount of credit facility | $ 1.5 | ||||
| TELUS Corporation unsecured revolving credit facility | |||||
| TELUS Corporation commercial paper | |||||
| Maximum aggregate amount of credit facility | 2,750 | $ 2,750 | |||
| Current maturities of long-term debt | 0 | ||||
| Long-term debt | $ 2,093 | $ 952 |