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Segment Information (Segment Profit by Reportable Segment) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2018 | Dec. 31, 2017
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Total operating earnings | $ 504 | $ 399 | $ 1,320 | $ 661
Operating Segments |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Total operating earnings | 631 | 734 | 1,174 | 1,329
Operating Segments | Pharmaceutical |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Total operating earnings | 443 | 514 | 851 | 981
Operating Segments | Medical |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Total operating earnings | 188 | 220 | 323 | 348
Corporate |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Total operating earnings | $ (127) | $ (335) | $ 146 | $ (668)

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