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Share-based compensation, Plans Outstanding (Details)
12 Months Ended 74 Months Ended
Dec. 31, 2022
Options
plan
Dec. 31, 2021
Options
Dec. 31, 2020
Options
Dec. 31, 2022
Options
Share-based compensation [Abstract]        
Number of equity-based instrument plans | plan 2      
Share-based plans outstanding [Abstract]        
Number of options awarded (in shares) 1,090,316 1,110,914 1,073,027  
Share Option Plan C1 [Member]        
Share-based plans outstanding [Abstract]        
Number of options awarded (in shares)       6,775,250
Vesting conditions 4 years      
Contractual life of options 10 years      
2016 SOIP [Member] | Executives and Directors [Member]        
Share-based plans outstanding [Abstract]        
Number of options awarded (in shares)       3,277,044
Contractual life of options 10 years      
2016 SOIP [Member] | Employees [Member]        
Share-based plans outstanding [Abstract]        
Number of options awarded (in shares)       1,811,687
Vesting conditions 4 years      
Contractual life of options 10 years      
2016 SOIP, Vesting Condition 1 [Member] | Executives and Directors [Member]        
Share-based plans outstanding [Abstract]        
Vesting conditions 1 year      
2016 SOIP, Vesting Condition 2 [Member] | Executives and Directors [Member]        
Share-based plans outstanding [Abstract]        
Vesting conditions 3 years      
2016 SOIP, Vesting Condition 3 [Member] | Executives and Directors [Member]        
Share-based plans outstanding [Abstract]        
Vesting conditions 4 years