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Income Taxes - Additional Information (Detail) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Jun. 30, 2024
Income Taxes [Line Items] |  |  |
Effective tax rate | 19.00% | 18.00% |
Long-term income taxes | $ 24,452 |  | $ 27,931
Unrecognized Tax Benefits and Other Income Tax Liabilities |  |  |
Income Taxes [Line Items] |  |  |
Long-term income taxes | $ 25,900 |  | $ 24,900

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