Share-Based Compensation and Savings Plans (Schedule of all Transactions Related to Performance Share Units Under the Plans) (Details) - Performance Share Units shares in Millions	9 Months Ended
	Mar. 31, 2016 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Nonvested at Beginning of Period | shares	0.9
Granted | shares	0.3
Vested | shares	(0.4)	[1]
Canceled and forfeited | shares	0.0
Nonvested at End of Period | shares	0.8
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted-Average Grant Date Fair Value [Roll Forward]
Weighted-Average Grant Date Fair Value Per Share, Nonvested at Beginning of Period | $ / shares	$ 50.31
Weighted-Average Grant Date Fair Value Per Share, Granted | $ / shares	84.26
Weighted-Average Grant Date Fair Value Per Share, Vested | $ / shares	39.81
Weighted-Average Grant Date Fair Value Per Share, Canceled and forfeited | $ / shares	0.00
Weighted-Average Grant Date Fair Value Per Share, Nonvested at End of Period | $ / shares	$ 62.51

[1] Vested based on achievement of 133 percent of the target performance goal.