LEASES, OTHER COMMITMENTS AND CERTAIN CONTINGENCIES - Schedule of Maturities of Lease Liabilities (Details) - USD ($) $ in Millions	May 31, 2026	May 31, 2025
Operating Leases
Fiscal 2027	$ 3,712
Fiscal 2028	3,603
Fiscal 2029	3,550
Fiscal 2030	3,550
Fiscal 2031	3,519
Thereafter	23,933
Total lease payments	41,867
Less: imputed interest	(11,677)
Total operating lease liability	$ 30,190	$ 13,450
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Other current liabilities	Other current liabilities
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Operating lease liabilities, non-current	Operating lease liabilities, non-current
Finance Leases
Fiscal 2027	$ 656
Fiscal 2028	676
Fiscal 2029	697
Fiscal 2030	718
Fiscal 2031	740
Thereafter	7,973
Total financial lease payments	11,460
Less: imputed interest	(3,759)
Total finance lease liabilities	$ 7,701	$ 2,934
Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration]	Other Liabilities, Noncurrent