Notes Payable and Long-Term Debt - Schedule of Notes Payable and Long-term Debt (Details) - USD ($)	Feb. 28, 2026	Jan. 23, 2026	Aug. 31, 2025
Debt Instrument [Line Items]
Total notes payable and long-term debt	$ 3,876,000,000		$ 2,885,000,000
Less current installments of notes payable and long-term debt	500,000,000		499,000,000
Notes payable and long-term debt, less current installments	$ 3,376,000,000		2,386,000,000
Senior Notes | 3.950% Senior Notes
Debt Instrument [Line Items]
Stated interest rate	3.95%
Total notes payable and long-term debt	$ 499,000,000		499,000,000
Senior Notes | 3.600% Senior Notes
Debt Instrument [Line Items]
Stated interest rate	3.60%
Total notes payable and long-term debt	$ 498,000,000		498,000,000
Senior Notes | 3.000% Senior Notes
Debt Instrument [Line Items]
Stated interest rate	3.00%
Total notes payable and long-term debt	$ 595,000,000		595,000,000
Senior Notes | 1.700% Senior Notes
Debt Instrument [Line Items]
Stated interest rate	1.70%
Total notes payable and long-term debt	$ 500,000,000		499,000,000
Principal amount	$ 500,000,000
Senior Notes | 4.250% Senior Notes
Debt Instrument [Line Items]
Stated interest rate	4.25%
Total notes payable and long-term debt	$ 498,000,000		497,000,000
Senior Notes | 5.450% Senior Notes
Debt Instrument [Line Items]
Stated interest rate	5.45%
Total notes payable and long-term debt	$ 298,000,000		297,000,000
Senior Notes | 4.200% Senior Notes
Debt Instrument [Line Items]
Stated interest rate	4.20%	4.20%
Total notes payable and long-term debt	$ 497,000,000		0
Principal amount		$ 500,000,000
Senior Notes | 4.750% Senior Notes
Debt Instrument [Line Items]
Stated interest rate	4.75%	4.75%
Total notes payable and long-term debt	$ 491,000,000		0
Principal amount		$ 500,000,000
Line of Credit | Revolving Credit Facility
Debt Instrument [Line Items]
Total notes payable and long-term debt	0		$ 0
Available unused borrowing capacity	4,200,000,000
Line of Credit | Revolving Credit Facility | The Revolving Credit Facility
Debt Instrument [Line Items]
Available unused borrowing capacity	3,200,000,000
Line of Credit | Commercial Paper
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 3,200,000,000