Net Debt - Summary of Cash and Cash Equivalents, Net of Overdrafts (Detail) - USD ($) $ in Millions	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Cash and cash equivalents if different from statement of financial position [abstract]
Total cash and cash equivalents	$ 11,894	$ 12,501	$ 12,428
Bank overdrafts and short-term borrowings	(1)	(3)	(5)
Total cash and cash equivalents, net of overdrafts	$ 11,893	$ 12,498	$ 12,423	$ 17,236

The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents]

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