Debt and Receivables Securitization - Summary of Long-term Debt and Short-term Borrowings Outstanding (Parenthetical) (Detail)	6 Months Ended	12 Months Ended
	Nov. 30, 2023	May 31, 2023
4.60% Senior Notes due August 10, 2024
Debt Instrument [Line Items]
Debt, interest rate	4.60%	4.60%
Debt, maturity date	Aug. 10, 2024	Aug. 10, 2024
4.55% Senior Notes due April 15, 2026
Debt Instrument [Line Items]
Debt, interest rate	4.55%	4.55%
Debt, maturity date	Apr. 15, 2026	Apr. 15, 2026
4.30% Senior Notes due August 1, 2032
Debt Instrument [Line Items]
Debt, interest rate	4.30%	4.30%
Debt, maturity date	Aug. 01, 2032	Aug. 01, 2032
1.56% Series A Senior Note due August 23, 2031
Debt Instrument [Line Items]
Debt, interest rate	1.56%	1.56%
Debt, maturity date	Aug. 23, 2031	Aug. 23, 2031
1.90% Series B Senior Notes due August 23, 2034
Debt Instrument [Line Items]
Debt, interest rate	1.90%	1.90%
Debt, maturity date	Aug. 23, 2034	Aug. 23, 2034