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Share-Based Compensation - Unrecognized compensation cost and period for recognition (Details)
$ in Millions
12 Months Ended
Dec. 31, 2022
USD ($)
Stock Options  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Unrecognized compensation cost related to unvested awards $ 6,357
Weighted average recognition period (years) 9 months
Restricted Common Shares And Restricted Units  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Unrecognized compensation cost related to unvested awards $ 42,096
Weighted average recognition period (years) 1 year
Performance Common Shares and Units  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Unrecognized compensation cost related to unvested awards $ 7,520
Weighted average recognition period (years) 5 months 23 days