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Income Taxes - Additional Information (Detail) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Mar. 31, 2025 | Mar. 31, 2024 | Jun. 30, 2024
Income Taxes [Line Items] |  |  |  |  |
Effective tax rate | 18.00% | 18.00% | 18.00% | 18.00% |
Long-term income taxes | $ 25,061 |  | $ 25,061 |  | $ 27,931
Unrecognized Tax Benefits and Other Income Tax Liabilities |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |
Long-term income taxes | $ 26,400 |  | $ 26,400 |  | $ 24,900

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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-12 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 231 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482663/740-10-55-231 + Details
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