Stockholders' Equity - Schedule of Common Stock Repurchased through Open Market (Details) - USD ($) shares in Millions, $ in Millions	5 Months Ended	12 Months Ended
	Oct. 20, 2026	Aug. 31, 2026	Aug. 31, 2025	Aug. 31, 2024
Share Repurchase Program [Line Items]
Shares repurchased (in shares)		3.2	2.8	11.3
Cost		$ 815	$ 377	$ 1,445
2027 Share Repurchase Program - Open Market Share Repurchases | Subsequent Event
Share Repurchase Program [Line Items]
Shares repurchased (in shares)	1.1
Cost	$ 321