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Stock-Based Compensation (Tables)
12 Months Ended
Dec. 31, 2021
Text block [abstract]  
Schedule of Options Outstanding
Options outstanding
 
   
2021
          2020  
For the years ended December 31,
 
Number of
options
(in millions)
    Weighted
average
exercise price
         
Number of
options
(in millions)
    Weighted
average
exercise price
 
Outstanding, January 1
 
 
24
 
 
$
  21.74
 
            21     $   20.91  
Granted
 
 
 
 
 
 
            5       24.38  
Exercised
 
 
(3
 
 
18.34
 
            (2     18.17  
Expired
 
 
 
 
 
24.73
 
                  24.27  
Forfeited
 
 
 
 
 
23.96
 
                  23.73  
Outstanding, December 31
 
 
21
 
 
$
22.09
 
            24     $ 21.74  
Exercisable, December 31
 
 
8
 
 
$
18.94
 
            6     $ 19.52  
Schedule of Range of Exercise Prices of Outstanding Share Options
 
 
 
Options outstanding
 
 
 
 
 
Options exercisable
 
For the year ended December 31, 2021
 
Number of
options
(in millions)
 
 
Weighted
average
exercise price
 
 
Weighted average
remaining
contractual life
(in years)
 
 
 
 
 
Number of
options
(in millions)
 
 
Weighted
average
exercise price
 
 
Weighted average
remaining
contractual life
(in years)
 
$12.64—$20.99
 
 
5
 
 
$
16.90
 
 
 
3.38
 
         
 
5
 
 
$
16.90
 
 
 
3.38
 
$21.00—$24.83
 
 
16
 
 
$
23.58
 
 
 
6.09
 
         
 
3
 
 
$
21.86
 
 
 
2.95
 
Total
 
 
21
 
 
$
  22.09
 
 
 
5.49
 
         
 
8
 
 
$
  18.94
 
 
 
3.20
 
Schedule of Deferred Share Units
The fair value of 161,000 DSUs issued during the year was $24.11 per unit as at December 31, 2021 (2020 – 214,000 at $22.65 per unit).
 
For the years ended December 31,
Number of DSUs (in thousands)
 
2021
       2020  
Outstanding, January 1
 
 
2,169
 
       2,395  
Issued
 
 
161
 
       214  
Reinvested
 
 
100
 
       145  
Redeemed
 
 
(345
       (576
Forfeitures and cancellations
 
 
(6
       (9
Outstanding, December 31
 
 
2,079
 
       2,169