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Contractual interest rate for funds borrowed, under the debt agreement.

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Notes Payable and Long-Term Debt (Schedule of Notes Payable and Long-Term Debt) (Details) - USD ($)	Apr. 28, 2021	Apr. 14, 2021	Aug. 31, 2021	Apr. 27, 2021	Aug. 31, 2020
Debt Instrument [Line Items]
Long-term debt			$ 2,878,000,000		$ 2,728,000,000
Less current installments of notes payable and long-term debt			0		50,000,000
Notes payable and long-term debt, less current installments			$ 2,878,000,000		2,678,000,000
Senior Notes \| 4.700% Senior Notes
Debt Instrument [Line Items]
Stated interest rate			4.70%
Long-term debt			$ 499,000,000		499,000,000
Senior Notes \| 4.900% Senior Notes
Debt Instrument [Line Items]
Stated interest rate			4.90%
Long-term debt			$ 300,000,000		299,000,000
Senior Notes \| 3.950% Senior Notes
Debt Instrument [Line Items]
Stated interest rate			3.95%
Long-term debt			$ 496,000,000		495,000,000
Senior Notes \| 3.600% Senior Notes
Debt Instrument [Line Items]
Stated interest rate			3.60%
Long-term debt			$ 495,000,000		495,000,000
Senior Notes \| 3.000% Senior Notes
Debt Instrument [Line Items]
Stated interest rate			3.00%
Long-term debt			$ 591,000,000		590,000,000
Senior Notes \| 1.700% Senior Notes
Debt Instrument [Line Items]
Stated interest rate		1.70%	1.70%
Long-term debt			$ 496,000,000		0
Debt issuance		$ 500,000,000
Senior Notes \| Prior Term Loan Facility
Debt Instrument [Line Items]
Repayments of term loan facility		$ 300,000,000
Line of Credit \| Revolving Credit Facility
Debt Instrument [Line Items]
Long-term debt			0		0
Debt term	3 years
Maximum borrowing capacity	$ 1,200,000,000			$ 700,000,000
Unused borrowing capacity			3,800,000,000
Line of Credit \| Revolving Credit Facility \| Credit Facility Due January 2024
Debt Instrument [Line Items]
Debt term	3 years
Line of Credit \| Revolving Credit Facility \| Credit Facility Due January 2026
Debt Instrument [Line Items]
Debt term	5 years
Maximum borrowing capacity	$ 2,000,000,000
Line of Credit \| Term Loan Facility
Debt Instrument [Line Items]
Long-term debt			1,000,000		$ 350,000,000
Line of Credit \| Commercial Paper
Debt Instrument [Line Items]
Maximum borrowing capacity			$ 1,800,000,000