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Segment Information (Segment Profit by Reportable Segment) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2019
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Total operating earnings | $ 472 | $ (4,098) | $ 2,060
Operating Segments |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Total operating earnings | 2,261 | 2,416 | 2,410
Operating Segments | Pharmaceutical |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Total operating earnings | 1,684 | 1,753 | 1,834
Operating Segments | Medical |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Total operating earnings | 577 | 663 | 576
Corporate |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Total operating earnings | $ (1,789) | $ (6,514) | $ (350)

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