v3.24.0.1
Long-term debt - Credit facility (Details) - USD ($)
$ in Millions
Dec. 31, 2023
Jan. 03, 2023
Dec. 31, 2022
Credit facility      
Long-term debt maturities      
Available $ 492.0   $ 1,258.0
Outstanding 1,463.0   742.0
Total 1,955.0 $ 2,000.0 2,000.0
Credit facility | Other lenders      
Long-term debt maturities      
Outstanding 1,358.0   689.0
Credit facility | TELUS Corporation      
Long-term debt maturities      
Outstanding 105.0   53.0
Revolving component      
Long-term debt maturities      
Available 492.0   658.0
Outstanding 308.0   142.0
Total 800.0 800.0 800.0
Revolving component | Other lenders      
Long-term debt maturities      
Outstanding 286.0   132.0
Revolving component | TELUS Corporation      
Long-term debt maturities      
Outstanding 22.0   10.0
Term loan components      
Long-term debt maturities      
Available     600.0
Outstanding 1,155.0   600.0
Total $ 1,155.0 $ 1,200.0 1,200.0
Fixed interest rate 3.52%    
Term loan components | Other lenders      
Long-term debt maturities      
Outstanding $ 1,072.0   557.0
Term loan components | TELUS Corporation      
Long-term debt maturities      
Outstanding $ 83.0   $ 43.0