v3.19.2
share-based compensation - TELUS Corp restricted share units activity (Details) - Restricted share units without market performance conditions
 3 Months Ended 6 Months Ended
Jun. 30, 2019
CAD ($)
EquityInstruments
Jun. 30, 2019
CAD ($)
EquityInstruments
Number of restricted share units - Non-vested    
Outstanding, beginning of period 3,096,260 3,193,520
Issued - initial award   2,222
In lieu of dividends 34,109 73,189
Vested (9,513) (104,800)
Forfeited and cancelled (40,697) (83,972)
Outstanding, end of period 3,080,159 3,080,159
Number of restricted share units - vested    
Outstanding, beginning of period 6,472 63,383
In lieu dividends 68 148
Vested 9,513 104,800
Settled in cash (9,900) (162,178)
Outstanding, end of period 6,153 6,153
Weighted average grant-date fair value    
Outstanding, beginning of period, non-vested | $ $ 44.86 $ 44.85
Outstanding, beginning of period, vested | $ 44.45 44.89
Issued - initial award | $   45.03
In lieu of dividends | $ 49.31 47.02
Vested | $ 44.64 43.98
Settled in cash | $ 44.63 44.02
Forfeited and cancelled | $ 44.89 44.87
Outstanding, end of period, non-vested | $ 44.86 44.86
Outstanding, end of period, vested | $ $ 44.47 $ 44.47