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Share-Based Compensation (RSUs Vested and Converted) (Details) - RSUs - shares
shares in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
RSUs vested during the year 634 806 996
RSUs converted during the year, net of shares withheld for taxes 452 547 666
Shares withheld for taxes 182 259 329