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Basis of Presentation and Summary of Significant Accounting Policies Loss Contingencies (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2025
Product Liability Lawsuits | Minimum |  |
Loss Contingencies [Line Items] |  |
Loss contingency accrual |  | $ 56
Total Opioid Litigation [Member] |  |
Loss Contingencies [Line Items] |  |
Litigation settlement | $ 5,600 |

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