Goodwill, Intangible Assets and Other Long-Lived Assets (Goodwill) (Details) $ in Millions	9 Months Ended
Apr. 30, 2026 USD ($)
Goodwill Rollforward
Balance as of July 31, 2025	$ 4,567
Goodwill acquired	17,335
Balance as of April 30, 2026	$ 21,902

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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+ Details