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Changes in Gross Unrecognized Tax Benefits Related to Uncertain Tax Positions (Detail) - USD ($) $ in Millions | 12 Months Ended
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Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2021
Income Tax Disclosure [Abstract] |  |  |
Beginning unrecognized tax benefits | $ 15,593 | $ 14,550 | $ 13,792
Decreases related to settlements | (329) | (317) | (195)
Increases for tax positions related to the current year | 1,051 | 1,145 | 790
Increases for tax positions related to prior years | 870 | 461 | 461
Decreases for tax positions related to prior years | (60) | (246) | (297)
Decreases due to lapsed statutes of limitations | (5) | 0 | (1)
Ending unrecognized tax benefits | $ 17,120 | $ 15,593 | $ 14,550

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- Definition Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15A -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-15A + Details
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