v3.22.4
Long-term debt - Narrative (Details)
$ in Millions
12 Months Ended
Dec. 31, 2022
USD ($)
Jan. 03, 2023
USD ($)
Dec. 22, 2022
USD ($)
Dec. 20, 2022
USD ($)
Dec. 31, 2021
USD ($)
Disclosure of detailed information about borrowings [line items]          
Minimum acquisition aggregate cash consideration threshold to increase the maximum permitted net debt to EBIDTA ratio $ 250        
Weighted average interest rate 5.81%        
Minimum          
Disclosure of detailed information about borrowings [line items]          
Operating cash flow to debt service ratio 1.50        
2023 | Acquisition with aggregate cash consideration greater than $60 million          
Disclosure of detailed information about borrowings [line items]          
Net debt to EBITDA ratio 4.25        
Second Year | Acquisition with aggregate cash consideration greater than $60 million          
Disclosure of detailed information about borrowings [line items]          
Net debt to EBITDA ratio 3.75        
Thereafter | Acquisition with aggregate cash consideration greater than $60 million          
Disclosure of detailed information about borrowings [line items]          
Net debt to EBITDA ratio 3.25        
Later than eight fiscal quarters | Maximum          
Disclosure of detailed information about borrowings [line items]          
Operating cash flow to debt service ratio 0.50        
TELUS Corporation          
Disclosure of detailed information about borrowings [line items]          
Undrawn borrowing facilities         $ 716
Credit facility          
Disclosure of detailed information about borrowings [line items]          
Maximum aggregate amount of credit facility     $ 2,000 $ 2,000 1,657
Undrawn borrowing facilities $ 1,258       $ 716
Effective interest rate 6.67%       1.87%
Percentage of principal advance required to be repaid each year of the term of the agreement 1.25%        
Revolving component          
Disclosure of detailed information about borrowings [line items]          
Maximum aggregate amount of credit facility     800 800 $ 850
Undrawn borrowing facilities $ 658       716
Revolving component | Major business combination [member]          
Disclosure of detailed information about borrowings [line items]          
Increased line of credit maximum   $ 505      
Term loan components          
Disclosure of detailed information about borrowings [line items]          
Maximum aggregate amount of credit facility     $ 1,200 $ 1,200 $ 807
Undrawn borrowing facilities $ 600