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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, 2020 | Jun. 30, 2019 | Jun. 30, 2018
Segment Reporting Information [Line Items] |  |  |
Total depreciation and amortization | $ 913 | $ 1,000 | $ 1,032
Total additions to property and equipment | 375 | 328 | 384
Operating Segments | Pharmaceutical |  |  |
Segment Reporting Information [Line Items] |  |  |
Total depreciation and amortization | 135 | 147 | 156
Total additions to property and equipment | 47 | 35 | 58
Operating Segments | Medical |  |  |
Segment Reporting Information [Line Items] |  |  |
Total depreciation and amortization | 243 | 288 | 278
Total additions to property and equipment | 86 | 74 | 127
Corporate |  |  |
Segment Reporting Information [Line Items] |  |  |
Total depreciation and amortization | 535 | 565 | 598
Total additions to property and equipment | $ 242 | $ 219 | $ 199

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