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Description of Business and Summary of Significant Accounting Policies - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Apr. 30, 2026	Apr. 30, 2025	Apr. 30, 2026	Apr. 30, 2025	Jul. 31, 2025
Segment Reporting Information [Line Items]
Revenue recognized	$ 136	$ 111	$ 977	$ 829
Description of timing			12 months
Deferred revenue	2		$ 2		$ 4
Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment
Segment Reporting Information [Line Items]
Other corporate expenses	$ 2,113	1,881	$ 5,549	4,958
Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment \| Reorganization of Certain Workplace and Real Estate Functions
Segment Reporting Information [Line Items]
Other corporate expenses		(1)		(7)
Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment \| Reorganization of Certain Technology Functions
Segment Reporting Information [Line Items]
Other corporate expenses		155		456
Global Business Solutions \| Operating Segments \| Reorganization of Certain Workplace and Real Estate Functions
Segment Reporting Information [Line Items]
Other corporate expenses		1		7
Consumer \| Operating Segments \| Reorganization of Certain Technology Functions
Segment Reporting Information [Line Items]
Other corporate expenses		$ (155)		$ (456)