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Basis of Presentation and Summary of Significant Accounting Policies (Narrative, Sales Returns and Allowances) (Details) - USD ($) $ in Millions | 12 Months Ended |
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Jun. 30, 2025 | Jun. 30, 2024
Accounting Policies [Abstract] |  |
Accrual for estimated sales returns and allowances | $ 447 | $ 441
Returns and allowances | $ 2,200 |

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- References No definition available. + Details
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- Definition Amount of estimated sales returns. + References No definition available. + Details
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