XML 64 R52.htm IDEA: XBRL DOCUMENT v3.22.4
Employee Benefits And Stock-Based Compensation (Summary Of Unvested RSUs Activity) (Details) - $ / shares
shares in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unvested at beginning of period, Shares 0.6    
Granted, Shares 0.3    
Vested and settled, Shares (0.3)    
Unvested at end of period, Shares 0.6 0.6  
Unvested at beginning of period, Weighted-Average Grant-Date Fair Value $ 192.88    
Granted, Weighted-Average Grant-Date Fair Value 210.94 $ 200.64 $ 205.61
Vested and settled, Weighted-Average Grant-Date Fair Value 184.74    
Unvested at end of period, Weighted-Average Grant-Date Fair Value $ 206.32 $ 192.88