Fair Value Measurement - Additional Information (Details) - USD ($)	Feb. 28, 2023	May 31, 2022	Feb. 28, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total financial assets	$ 30,193,903,000	$ 29,696,299,000
Total financial liabilities	29,655,630,000	$ 28,553,675,000
Recurring basis
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total financial assets	0		$ 0
Total financial liabilities	0		$ 0
Fair value, nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total financial assets	0
Total financial liabilities	$ 0