Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2024	Jan. 31, 2023
Statement of Comprehensive Income [Abstract]
Net income	$ 353	$ 168	$ 594	$ 208
Other comprehensive income (loss), net of income taxes:
Unrealized gain on available-for-sale debt securities	5	6	6	0
Foreign currency translation gain (loss)	13	18	(11)	(3)
Total other comprehensive income (loss), net	18	24	(5)	(3)
Comprehensive income	$ 371	$ 192	$ 589	$ 205