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Incentive Stock Programs - General (Details)
6 Months Ended
Jun. 30, 2021
shares
Incentive Stock Program  
Incentive stock program, shares reserved for future grants 101,000,000
Stock options  
Incentive Stock Program  
Stock options granted during the period (in shares) 2,730,398
Restricted stock awards  
Incentive Stock Program  
Grants in period, restricted stock (in shares) 478,490
Restricted stock units  
Incentive Stock Program  
Awards and units granted during period (in shares) 4,624,439