Components of Other Income (Expense), Net (Detail) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2025 |
Dec. 31, 2024 |
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| Other Income and Expenses [Abstract] | ||||
| Interest and dividends income | $ 840 | $ 600 | $ 1,816 | $ 1,281 |
| Interest expense | (736) | (594) | (1,434) | (1,176) |
| Net recognized gains (losses) on investments | 339 | (860) | (233) | (397) |
| Net gains (losses) on derivatives | 37 | (116) | 1,616 | (454) |
| Net gains (losses) on foreign currency remeasurements | (50) | (153) | (72) | 23 |
| Other, net | 9,541 | (1,165) | 4,618 | (1,848) |
| Total | $ 9,971 | $ (2,288) | $ 6,311 | $ (2,571) |
| X | ||||||||||
- Definition Amount, before tax, of realized and unrealized gain (loss) from foreign currency transaction. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of realized and unrealized gain (loss) on investment. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of interest expense classified as nonoperating. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount after accretion (amortization) of discount (premium), and investment expense, of interest income and dividend income on nonoperating securities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition Amount of income (expense) related to nonoperating activities, classified as other. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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