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	9 Months Ended
	Mar. 31, 2022 USD ($) $ / shares shares
Performance Share Units
Nonvested at beginning of period (in shares) | shares	1.2
Granted (in shares) | shares	0.4
Vested (in shares) | shares	(0.3)
Canceled and forfeited (in shares) | shares	(0.1)
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	$ 54.89
Granted (in usd per share) | $ / shares	51.91
Vested (in usd per share) | $ / shares	52.00
Canceled and forfeited (in usd per share) | $ / shares	52.36
Nonvested at end of period (in usd per share) | $ / shares	$ 57.27
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount | $	$ 25
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition	2 years