Property and Equipment - Additional information (Details) - USD ($) $ in Millions	12 Months Ended
Jul. 31, 2026	Jul. 31, 2025	Jul. 31, 2024
Property, Plant, and Equipment [Abstract]
Capitalized software costs	$ 46	$ 40	$ 59
Capitalized labor costs	$ 0	$ 0	$ 0

Amount of increase in capitalized cost for software to be sold, leased, or marketed. Excludes capitalized cost for internal-use software.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 985
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481283/985-20-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482665/350-30-50-1

Name:	us-gaap_CapitalizedComputerSoftwareAdditions
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration