Summary of significant accounting policies (Tables)

6 Months Ended

Jan. 31, 2025

Accounting Policies [Abstract]

Schedule of Cash and Cash Equivalents

	As of
(In millions)	January 31, 2025	July 31, 2024
Cash and cash equivalents	$764	$571
Restricted cash	51	54
Total cash, cash equivalents and restricted cash	$815	$625