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Segment Information (Segment Profit by Reportable Segment) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2024 | Dec. 31, 2023
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Total operating earnings | $ 549 | $ 505 | $ 1,117 | $ 473
Operating Segments |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Total operating earnings | 667 | 612 | 1,309 | 1,176
Operating Segments | Pharmaceutical and Specialty Solutions |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Total operating earnings | 531 | 495 | 1,061 | 951
Operating Segments | Global Medical Products and Distribution |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Total operating earnings | 18 | 11 | 26 | 23
Operating Segments | Other Segments |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Total operating earnings | 118 | 106 | 222 | 202
Corporate |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Total operating earnings | $ (118) | $ (107) | $ (192) | $ (703)

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