Fair Value Measurement - Additional Information (Details) - USD ($)	Feb. 28, 2026	May 31, 2025	Feb. 28, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial assets	$ 37,647,150,000	$ 35,215,311,000
Financial liabilities	36,570,086,000	34,406,714,000
Recurring Basis
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial assets	0	0
Financial liabilities	0	$ 0
Fair Value, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial assets	0		$ 0
Financial liabilities	$ 0		$ 0