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Segment Information (Depreciation and Amortization and Additions to Property and Equipment by Reportable Segment) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2016
Segment Reporting Information [Line Items] |  |  |
Total depreciation and amortization | $ 1,032 | $ 717 | $ 641
Total additions to property and equipment | 384 | 387 | 465
Operating Segments | Pharmaceutical |  |  |
Segment Reporting Information [Line Items] |  |  |
Total depreciation and amortization | 156 | 122 | 128
Total additions to property and equipment | 58 | 50 | 88
Operating Segments | Medical |  |  |
Segment Reporting Information [Line Items] |  |  |
Total depreciation and amortization | 278 | 156 | 136
Total additions to property and equipment | 127 | 123 | 96
Corporate |  |  |
Segment Reporting Information [Line Items] |  |  |
Total depreciation and amortization | 598 | 439 | 377
Total additions to property and equipment | $ 199 | $ 214 | $ 281

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