Redeemable Noncontrolling Interests (Changes in Redeemable Noncontrolling Interests) (Details) $ in Millions	9 Months Ended
	Mar. 31, 2017 USD ($)
Increase (Decrease) in Temporary Equity [Roll Forward]
Balance at beginning of period	$ 117
Balance at end of period	117
naviHealth
Increase (Decrease) in Temporary Equity [Roll Forward]
Balance at beginning of period	117
Net earnings attributable to redeemable noncontrolling interests	3
Net purchase of redeemable noncontrolling interests	(3)
Balance at end of period	$ 117