v3.22.4
Share-based compensation - Schedule of restricted share units (Details)
$ / shares in Units, $ / shares in Units, $ in Millions, $ in Millions
 12 Months Ended
Dec. 31, 2022
USD ($)
shares
$ / shares
Dec. 31, 2022
CAD ($)
shares
$ / shares
Dec. 31, 2021
USD ($)
shares
$ / shares
Dec. 31, 2021
CAD ($)
shares
$ / shares
Dec. 31, 2020
shares
$ / shares
Phantom restricted share units - US$ denominated          
Number of restricted share units - Non-vested          
Outstanding, beginning of year (in shares) 1,850,807 1,850,807 1,383,642 1,383,642 2,101,733
Granted (in shares) 821,223 821,223 1,383,983 1,383,983 357,966
Vested (in shares) (798,373) (798,373) (805,429) (805,429) (982,395)
Forfeited (in shares) (267,836) (267,836) (111,389) (111,389) (93,662)
Outstanding, end of year (in shares) 1,605,821 1,605,821 1,850,807 1,850,807 1,383,642
Granted (in shares)     59,512 59,512  
Number of restricted share units - Vested          
Vested (in shares) 798,373 798,373 805,429 805,429 982,395
Exercised (in shares) (857,885) (857,885) (805,429) (805,429) (982,395)
Grant-date fair value          
Outstanding, beginning of year (in USD and CDN dollars per share) | $ / shares $ 21.94   $ 7.94   $ 6.70
Granted (in USD and CDN dollars per share) | $ / shares 26.41   27.26   11.11
Vested (in USD and CDN dollars per share) | $ / shares 16.63   7.29   6.51
Exercised (in USD and CDN dollars per share) | $ / shares 17.52   7.29   6.51
Forfeited (in USD and CDN dollars per share) | $ / shares 19.85   20.16   7.12
Outstanding, end of year (in USD and CDN dollars per share) | $ / shares $ 27.10   $ 21.94   $ 7.94
Phantom Restricted Share Units Settled With Subordinate Voting Shares          
Number of restricted share units - Vested          
Exercised (in shares) (360,044) (360,044) (32,244) (32,244)  
Phantom Restricted Share Units and Phantom Share Units Settled With Cash          
Number of restricted share units - Vested          
Exercised (in shares) (497,841) (497,841) (773,185) (773,185)  
Grant-date fair value          
Exercised (in USD and CDN dollars per share) | $ / shares $ 22.01   $ 33.24    
Expense from cash-settled share-based payment transactions | $ $ 11   $ 26    
Phantom restricted share units          
Number of restricted share units - Non-vested          
Outstanding, beginning of year (in shares)     285,386 285,386  
Outstanding, end of year (in shares)         285,386
Phantom restricted share units | TELUS Corporation (parent)          
Number of restricted share units - Non-vested          
Outstanding, beginning of year (in shares) 78,011 78,011 156,749 156,749 253,622
Granted (in shares) 0 0 24,757 24,757 13,217
Vested (in shares) (59,549) (59,549) (85,154) (85,154) (113,737)
Issued in lieu of dividends (in shares) 0 0 0 0 0
Dividends (in shares) 1,568 1,568 5,023 5,023 10,156
Forfeited (in shares) (20,030) (20,030) (23,364) (23,364) (6,509)
Outstanding, end of year (in shares)     78,011 78,011 156,749
Number of restricted share units - Vested          
Vested (in shares) 59,549 59,549 85,154 85,154 113,737
Dividends (in shares) (59,549) (59,549) (86,745) (86,745) (113,737)
Exercised (in shares) 0 0 1,591 1,591 0
Grant-date fair value          
Outstanding, beginning of year (in USD and CDN dollars per share) | $ / shares $ 24.20   $ 24.17   $ 23.78
Granted (in USD and CDN dollars per share) | $ / shares 0   27.58   24.97
Vested (in USD and CDN dollars per share) | $ / shares 24.13   23.96   25.49
Issued in lieu of dividends (in dollars per share) | $ / shares 24.13   25.22   25.49
Exercised (in USD and CDN dollars per share) | (per share) 30.85 $ 28.67 27.43 $ 27.58 15.42
Forfeited (in USD and CDN dollars per share) | $ / shares 24.92   24.72   23.59
Outstanding, end of year (in USD and CDN dollars per share) | $ / shares $ 0   $ 24.20   $ 24.17
Expense from cash-settled share-based payment transactions | $   $ 2   $ 2  
Restricted Stock Units          
Number of restricted share units - Non-vested          
Outstanding, beginning of year (in shares) 1,083,542 1,083,542      
Outstanding, end of year (in shares) 1,218,796 1,218,796 1,083,542 1,083,542  
Performance Share Units          
Number of restricted share units - Non-vested          
Outstanding, beginning of year (in shares) 192,064 192,064      
Outstanding, end of year (in shares) 387,025 387,025 192,064 192,064