Income Taxes - Schedule of Reconciliations of Income Tax Expense at U.S. Federal Statutory Income Tax Rate (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Aug. 31, 2025	Aug. 31, 2024	Aug. 31, 2023
Operating Loss Carryforwards [Line Items]
U.S. federal statutory income tax rate	21.00%	21.00%	21.00%
State income taxes, net of federal tax benefit	0.60%	(0.30%)	0.20%
Impact of foreign tax rates	(2.00%)	0.10%	(1.80%)
Permanent differences	(0.30%)	0.50%	(0.50%)
Income tax credits	(1.70%)	(0.70%)	(0.50%)
Valuation allowance	1.00%	3.50%	1.10%
Equity compensation	1.10%	(0.40%)	0.50%
Impact of intercompany charges and dividends	1.90%	(0.70%)	2.40%
Global Intangible Low-Taxed Income	1.40%	1.90%	0.80%
Change in indefinite reinvestment assertion	0.30%	0.40%	11.70%
Divestiture of businesses	2.30%	(5.90%)	0.00%
Other, net	0.80%	1.30%	0.30%
Effective income tax rate	26.40%	20.70%	35.20%
Income tax benefit on income from subsidiaries	$ 75	$ 54	$ 74
Per basic share income tax benefit on income from subsidiaries (in dollars per share)	$ 0.68	$ 0.44	$ 0.56