Segment Information (Depreciation and Amortization and Additions to Property and Equipment by Reportable Segment) (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Segment Reporting Information [Line Items]
Total depreciation and amortization	$ 717	$ 641	$ 451
Total additions to property and equipment	387	465	300
Operating Segments | Pharmaceutical
Segment Reporting Information [Line Items]
Total depreciation and amortization	122	128	124
Total additions to property and equipment	50	88	90
Operating Segments | Medical
Segment Reporting Information [Line Items]
Total depreciation and amortization	156	136	119
Total additions to property and equipment	123	96	87
Corporate
Segment Reporting Information [Line Items]
Total depreciation and amortization	439	377	208
Total additions to property and equipment	$ 214	$ 281	$ 123