v3.26.3
Share-Based Compensation (Schedule of All Transactions Related to Performance Share Units Under the Plans) (Details) - Performance Share Units
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended
Sep. 30, 2026
USD ($)
$ / shares
Rate
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount | $ $ 63
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition 2 years
Performance Share Units  
Nonvested at beginning of period (in shares) | shares 1.2
Granted (in shares) | shares 0.2
Vested (in shares) | shares (0.5)
Canceled and forfeited (in shares) | shares 0.0
Nonvested at end of period (in shares) | shares 0.9
Weighted-Average Grant Date Fair Value per Share  
Nonvested at beginning of period (in usd per share) | $ / shares $ 117.07
Granted (in usd per share) | $ / shares 245.49
Vested (in usd per share) | $ / shares 94.66
Canceled and forfeited (in usd per share) | $ / shares 0
Nonvested at end of period (in usd per share) | $ / shares $ 153.35
Minimum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage | Rate 0.00%
Maximum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage | Rate 240.00%