Notes Payable and Long-Term Debt - Schedule of Notes Payable and Long-Term Debt (Details) - USD ($)	Feb. 10, 2023	Aug. 31, 2023	Apr. 30, 2023	Apr. 13, 2023	Aug. 31, 2022	May 31, 2022	May 04, 2022	Apr. 30, 2022	Jul. 01, 2020
Debt Instrument [Line Items]
Long-term debt		$ 2,875,000,000			$ 2,875,000,000
Less current installments of notes payable and long-term debt		0			300,000,000
Notes payable and long-term debt, less current installments		$ 2,875,000,000			2,575,000,000
Senior Notes | 4.900% Senior Notes
Debt Instrument [Line Items]
Stated interest rate (as a percent)		4.90%		4.90%
Long-term debt		$ 0			300,000,000
Debt issued				$ 300,000,000
Senior Notes | 3.950% Senior Notes
Debt Instrument [Line Items]
Stated interest rate (as a percent)		3.95%
Long-term debt		$ 497,000,000			497,000,000
Senior Notes | 3.600% Senior Notes
Debt Instrument [Line Items]
Stated interest rate (as a percent)		3.60%
Long-term debt		$ 496,000,000			496,000,000
Senior Notes | 3.000% Senior Notes
Debt Instrument [Line Items]
Stated interest rate (as a percent)		3.00%							3.00%
Long-term debt		$ 593,000,000			592,000,000
Senior Notes | 1.700% Senior Notes
Debt Instrument [Line Items]
Stated interest rate (as a percent)		1.70%
Long-term debt		$ 498,000,000			497,000,000
Senior Notes | 4.250% Senior Notes
Debt Instrument [Line Items]
Stated interest rate (as a percent)		4.25%					4.25%	4.25%
Long-term debt		$ 495,000,000			493,000,000
Debt issued							$ 500,000,000
Senior Notes | 5.450% Senior Notes
Debt Instrument [Line Items]
Stated interest rate (as a percent)		5.45%	5.45%	5.45%
Long-term debt		$ 296,000,000			0
Debt issued				$ 300,000,000
Senior Notes | Senior Notes Due September 2022
Debt Instrument [Line Items]
Stated interest rate (as a percent)						4.70%
Line of Credit | Revolving Credit Facility
Debt Instrument [Line Items]
Long-term debt		0			0
Unused borrowing capacity		3,800,000,000
Line of Credit | Revolving Credit Facility | Credit Facility Due January 2025
Debt Instrument [Line Items]
Credit agreement term	3 years
Line of Credit | Revolving Credit Facility | Credit Facility Due January 2027
Debt Instrument [Line Items]
Credit agreement term	5 years
Line of Credit | Term Loan Facility
Debt Instrument [Line Items]
Long-term debt		0			$ 0
Line of Credit | Commercial Paper
Debt Instrument [Line Items]
Maximum borrowing capacity		$ 3,200,000,000