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Share-Based Compensation (Details)
shares in Millions, $ in Millions
12 Months Ended
Dec. 31, 2023
USD ($)
shares
Share Based Compensation  
Shares authorized under the plan 115.7
Shares available for grant under the plan 31.2
Total unrecognized compensation costs related to all unvested share based awards | $ $ 42
Weighted average period over compensation costs are expected to be recognized 1 year 8 months 19 days
Service awards  
Share Based Compensation  
Vesting period 3 years
General term of awards after they are vested 7 years
Performance awards  
Share Based Compensation  
Measurement period 3 years