v3.26.3
Share-Based Compensation (Schedule of All Transactions Related to Restricted Share Units Under the Plans) (Details) - Restricted Share Units - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition 2 years  
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Vested $ 52 $ 53
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount $ 120  
Restricted Share Units    
Nonvested at beginning of period (in shares) 1.1  
Granted (in shares) 0.3  
Vested (in shares) (0.5)  
Canceled and forfeited (in shares) 0.0  
Nonvested at end of period (in shares) 0.9  
Weighted-Average Grant Date Fair Value per Share    
Nonvested at beginning of period (in usd per share) $ 85.89  
Granted (in usd per share) 235.17  
Vested (in usd per share) 111.21  
Canceled and forfeited (in usd per share) 0  
Nonvested at end of period (in usd per share) $ 154.32