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Redeemable Noncontrolling Interests (Changes in Redeemable Noncontrolling Interests) (Details)
$ in Millions
12 Months Ended
Jun. 30, 2016
USD ($)
Increase (Decrease) in Temporary Equity [Roll Forward]  
Balance at beginning of period $ 0
Net purchase of redeemable noncontrolling interests (7)
Balance at end of period 117
naviHealth  
Increase (Decrease) in Temporary Equity [Roll Forward]  
Balance at beginning of period 0
Redeemable noncontrolling interests acquired 119
Net earnings attributable to redeemable noncontrolling interests 1
Net purchase of redeemable noncontrolling interests (3)
Balance at end of period $ 117