v3.24.2.u1
share-based compensation - TELUS International (Cda) Inc. restricted share units (Details)
3 Months Ended 6 Months Ended
Jun. 30, 2024
EquityInstruments
$ / shares
Jun. 30, 2024
EquityInstruments
$ / shares
TELUS International (Cda) Inc. restricted share units | Subset one, variable pay out depending on financial performance and shareholder return    
share-based compensation    
Total customer connection payout weight (as a per cent) 50.00% 50.00%
Relative total shareholder return payout weight (as a per cent) 50.00% 50.00%
TELUS International (Cda) Inc. restricted share units | Maximum | Subset one, variable pay out depending on financial performance and shareholder return    
share-based compensation    
Variable payout (as a percent) 200.00% 200.00%
TELUS International (Cda) Inc. restricted share units | Maximum | Subset two, variable pay out depending on financial performance and shareholder return    
share-based compensation    
Variable payout (as a percent) 300.00% 300.00%
TELUS International (Cda) Inc. restricted share units | Minimum | Subset one, variable pay out depending on financial performance and shareholder return    
share-based compensation    
Variable payout (as a percent) 0.00% 0.00%
TELUS International (Cda) Inc. restricted share units | Minimum | Subset two, variable pay out depending on financial performance and shareholder return    
share-based compensation    
Variable payout (as a percent) 0.00% 0.00%
TELUS International (Cda) Inc. Restricted Share Units US Dollar Denominated    
Number of restricted share units - Non-vested    
Outstanding, beginning of period - Non-vested 5,238,584 2,615,746
Granted - Initial award 9,333,403 12,594,420
Vested (353,945) 788,303
Forfeited (262,797) (466,618)
Outstanding, end of period - Non-vested 13,955,245 13,955,245
Number of restricted share units - Vested    
Outstanding, beginning of period - Vested 0 0
Granted - Initial award   (39,116)
Vested 353,945 (788,303)
Settled in equity (353,945) 827,419
Outstanding, end of period - Vested 0 0
Weighted average grant-date fair value    
Outstanding, beginning of period, non-vested | $ / shares $ 13.38 $ 21.36
Granted - Initial award | $ / shares 5.82 6.64
Vested | $ / shares 16.83 20.59
Settled in equity | $ / shares 16.83 20.03
Forfeited | $ / shares 23.01 23.31
Outstanding, end of period, non-vested | $ / shares $ 8.05 $ 8.05