Summary of significant accounting policies (Tables)

9 Months Ended

Apr. 30, 2025

Accounting Policies [Abstract]

Schedule of Cash and Cash Equivalents

	As of
(In millions)	April 30, 2025	July 31, 2024
Cash and cash equivalents	$519	$571
Restricted cash	37	54
Total cash, cash equivalents and restricted cash	$556	$625