Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Jul. 31, 2025	Jul. 31, 2024	Jul. 31, 2023
Statement of Comprehensive Income [Abstract]
Net income	$ 1,856	$ 1,735	$ 1,889
Other comprehensive (loss) income:
Foreign currency translation adjustments	(2)	(32)	(9)
Pension adjustments, net of tax impacts of $12, $4 and $16, respectively.	(38)	(11)	(49)
Total other comprehensive loss, net of tax	(40)	(43)	(58)
Comprehensive income	$ 1,816	$ 1,692	$ 1,831