v3.22.4
Related party transactions - Transactions with key management personnel (Details)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 31, 2022
USD ($)
shares
$ / shares
Dec. 31, 2021
USD ($)
shares
$ / shares
Dec. 31, 2020
USD ($)
shares
$ / shares
Related party transactions      
Number of months base salary considered for severance payments 18 months    
TELUS Corporation (parent) | Phantom restricted share units      
Related party transactions      
Number of other equity instruments granted in share-based payment arrangement (in shares) | shares 0 24,757 13,217
Grant-date-fair-value of awarded units (in dollars per share) | $ / shares $ 0 $ 27.58 $ 24.97
Senior Leadership Team      
Related party transactions      
Short-term benefits $ 7 $ 5 $ 4
Post-employment pension and other benefits 1 1 1
Share-based compensation $ 11 $ 43 $ 5
Share options granted (in shares) | shares   579,949  
Weighted average fair value at measurement date, share options granted   $ 3  
Number of share-based compensation awards issued (in shares) | shares     0
Senior Leadership Team | Restricted Stock Units      
Related party transactions      
Number of other equity instruments granted in share-based payment arrangement (in shares) | shares 301,190 863,755  
Weighted average fair value at measurement date, other equity instruments granted $ 8 $ 22  
Senior Leadership Team | Phantom Performance Share Units      
Related party transactions      
Number of other equity instruments granted in share-based payment arrangement (in shares) | shares 229,627 192,064  
Weighted average fair value at measurement date, other equity instruments granted $ 6 $ 6  
Senior Leadership Team | TELUS Corporation (parent) | Telus Phantom Restricted Share      
Related party transactions      
Number of other equity instruments granted in share-based payment arrangement (in shares) | shares   24,757  
Weighted average fair value at measurement date, other equity instruments granted   $ 1