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Segment Information (Segment Profit by Reportable Segment) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2017
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Total operating earnings | $ 2,060 | $ 126 | $ 2,120
Operating Segments |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Total operating earnings | 2,410 | 2,654 | 2,759
Operating Segments | Pharmaceutical |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Total operating earnings | 1,834 | 1,992 | 2,187
Operating Segments | Medical |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Total operating earnings | 576 | 662 | 572
Corporate |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Total operating earnings | $ (350) | $ (2,528) | $ (639)

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