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Remuneration of Directors and Senior Management
 12 Months Ended
Dec. 31, 2020
Related Party [Abstract]  
Remuneration of Directors and Senior Management Remuneration of Directors and Senior Management
Remuneration of Non-Management Directors 
 
202020192018
Fees earned
$2 $2 $2 
Remuneration of Senior Management (1)
 
202020192018
Salary
$2 $2 $2 
Common stock option based awards
9 8 8 
Annual incentive plans
4 6 4 
Long-term incentive plans
14 20 15 
 
$29 $36 $29 
(1)Senior management identified above are consistent with the disclosure on Named Executive Officers provided in the Company’s Information Circular to shareholders for the respective years.