v3.26.1
Stockholders' Deficit (Schedule of Common Stock Repurchase) (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2026
Jun. 30, 2025
Stockholders' Equity Note [Abstract]      
Treasury Stock Shares Repurchased 0.7 1.6  
Treasury Stock Shares Repurchased for Tax Withholding and Other 0.0 0.1  
Common stock repurchase, share 0.7 1.7  
Treasury Stock, value, shares repurchased during period $ 196.8 $ 411.2  
Treasury stock, value, repurchased for tax withholding 4.6 15.6  
Aggregate cost of share 201.4 426.8  
Payments for Repurchase of Common Stock $ 201.4 $ 426.8 $ 408.5
Treasury stock shares repurchased, average cost per share $ 275.00 $ 252.51  
Total repurchases for tax withholdings and other, average cost per share 303.80 246.03  
Average stock price $ 275.59 $ 252.27