Share-Based Compensation (Schedule of All Transactions Related to Restricted Share Units Under the Plans) (Details) - Restricted Share Units $ / shares in Units, shares in Millions, $ in Millions	6 Months Ended
	Dec. 31, 2024 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 | $	$ 95
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition	2 years
Restricted Share Units
Nonvested at beginning of period (in shares) | shares	1.7
Granted (in shares) | shares	0.7
Vested (in shares) | shares	(0.9)
Canceled and forfeited (in shares) | shares	0.0
Nonvested at end of period (in shares) | shares	1.5
Weighted-Average Grant Date Fair Value per Share
Nonvested at beginning of period (in usd per share) | $ / shares	$ 70.98
Granted (in usd per share) | $ / shares	108.08
Vested (in usd per share) | $ / shares	72.25
Canceled and forfeited (in usd per share) | $ / shares	0
Nonvested at end of period (in usd per share) | $ / shares	$ 84.19