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Segment Information (Segment Profit by Reportable Segment) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2021
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Total operating earnings/(loss) | $ 727 | $ (596) | $ 472
Operating Segments |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Total operating earnings/(loss) | 2,110 | 1,986 | 2,261
Operating Segments | Pharmaceutical |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Total operating earnings/(loss) | 1,999 | 1,770 | 1,684
Operating Segments | Medical |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Total operating earnings/(loss) | 111 | 216 | 577
Corporate |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Total operating earnings/(loss) | $ (1,383) | $ (2,582) | $ (1,789)

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