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, 2025 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount | $	$ 59
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	1.5
Granted (in shares) | shares	0.3
Vested (in shares) | shares	(0.6)
Canceled and forfeited (in shares) | shares	0.0
Nonvested at end of period (in shares) | shares	1.2
Weighted-Average Grant Date Fair Value per Share
Nonvested at beginning of period (in usd per share) | $ / shares	$ 99.45
Granted (in usd per share) | $ / shares	153.66
Vested (in usd per share) | $ / shares	92.71
Canceled and forfeited (in usd per share) | $ / shares	0
Nonvested at end of period (in usd per share) | $ / shares	$ 115.79