v3.19.2
share-based compensation - Restricted share units (Details) - EquityInstruments
6 Months Ended
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2018
Restricted share units      
share-based compensation      
Typical vesting period 33 months    
TELUS Corporation restricted share units      
share-based compensation      
Outstanding 3,557,950   3,660,437
Restricted share units with performance condition | Maximum      
share-based compensation      
Variable payout (as a percent) 200.00%    
Restricted share units with performance condition | Minimum      
share-based compensation      
Variable payout (as a percent) 0.00%    
Restricted share units with total customer connections performance condition      
share-based compensation      
Total customer connection payout weight (as a per cent) 25.00%    
Outstanding 159,264   155,639
Restricted share units with relative total shareholder return performance condition      
share-based compensation      
Relative total shareholder return payout weight (as a per cent) 75.00%    
Outstanding 477,791   466,917
Restricted share units with only service conditions      
share-based compensation      
Outstanding 2,920,895   3,037,881
Restricted share units without market performance conditions      
share-based compensation      
Outstanding 3,080,159 3,096,260 3,193,520