CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2025	Jan. 31, 2024
Statement of Comprehensive Income [Abstract]
Net income	$ 471	$ 353	$ 668	$ 594
Other comprehensive income (loss), net of income taxes:
Unrealized gain on available-for-sale debt securities	0	5	0	6
Foreign currency translation gain (loss)	(10)	13	(10)	(11)
Total other comprehensive income (loss), net	(10)	18	(10)	(5)
Comprehensive income	$ 461	$ 371	$ 658	$ 589