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Segment Information (Segment Profit by Reportable Segment) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Mar. 31, 2018 | Mar. 31, 2017 | Mar. 31, 2018 | Mar. 31, 2017
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Total operating earnings | $ 546 | $ 605 | $ 1,206 | $ 1,681
Operating Segments |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Total operating earnings | 795 | 759 | 2,124 | 2,117
Operating Segments | Pharmaceutical |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Total operating earnings | 596 | 611 | 1,576 | 1,682
Operating Segments | Medical |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Total operating earnings | 199 | 148 | 548 | 435
Corporate |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Total operating earnings | $ (249) | $ (154) | $ (918) | $ (436)

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