Stockholders' Equity - Recognized Stock-Based Compensation (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Feb. 28, 2025	Feb. 29, 2024	Feb. 28, 2025	Feb. 29, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total	$ 21	$ 23	$ 65	$ 69
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total	15	18	55	60
Employee stock purchase plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total	$ 6	$ 5	$ 10	$ 9