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	9 Months Ended
	Mar. 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 | $	$ 86
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	2.2
Granted (in shares) | shares	0.9
Vested (in shares) | shares	(1.1)
Canceled and forfeited (in shares) | shares	(0.1)
Nonvested at end of period (in shares) | shares	1.9
Weighted-Average Grant Date Fair Value per Share
Nonvested at beginning of period (in usd per share) | $ / shares	$ 57.37
Granted (in usd per share) | $ / shares	90.78
Vested (in usd per share) | $ / shares	60.83
Canceled and forfeited (in usd per share) | $ / shares	71.21
Nonvested at end of period (in usd per share) | $ / shares	$ 69.96