LEASES, OTHER COMMITMENTS AND CERTAIN CONTINGENCIES Narrative (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Jun. 22, 2026	May 31, 2026	May 31, 2025	May 31, 2024
Leases Other Commitments And Certain Contingencies Disclosure [Line Items]
Lease guaranteed of lessor's borrowing		$ 3,300
Guaranteed of lessor borrowing matures		2026-09
Finance lease, ROU assets, net of accumulated depreciation		$ 7,464	$ 2,874
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]		Property, Plant and Equipment, Net	Property, Plant and Equipment, Net
Finance lease, current lease liabilities		$ 620	$ 257
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]		Other Liabilities, Current	Other Liabilities, Current
Finance lease, non-current lease liabilities		$ 7,081	$ 2,677
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]		Other Liabilities, Noncurrent	Other Liabilities, Noncurrent
Finance lease ROU assets in exchange for finance lease obligations		$ 4,946	$ 2,921	$ 0
Weighted average remaining lease term for finance leases		14 years	15 years
Weighted average discount rate used for calculating finance lease obligations		5.70%	5.50%
Finance leases		$ 7,701	$ 2,934
Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration]		Other Liabilities, Noncurrent
Additional operating lease commitments		$ 260,000
Unconditional purchase commitments		13,309
Operating lease expenses		$ 2,794	$ 1,716	1,159
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]		Operating lease right-of-use assets	Operating lease right-of-use assets
Operating lease right-of-use assets		$ 29,690	$ 13,145
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]		Other current liabilities	Other current liabilities
Operating lease liabilities, current		$ 3,542	$ 1,914
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]		Operating lease liabilities, non-current	Operating lease liabilities, non-current
Operating lease liabilities, non-current		$ 26,648	$ 11,536
Right of use asset in exchange for operating lease obligation		18,246	6,970	4,246
Cash paid for operating lease liabilities		$ 2,548	$ 1,685	$ 1,168
Operating leases weighted average remaining lease term		12 years	10 years
Operating lease obligations, weighted average discount rate		5.70%	5.30%
Subsequent Event [Member]
Leases Other Commitments And Certain Contingencies Disclosure [Line Items]
Unconditional purchase commitments	$ 19,000
Unconditional purchase commitments, term	5 years
Minimum [Member]
Leases Other Commitments And Certain Contingencies Disclosure [Line Items]
Operating leases remaining terms		1 year
Operating leases not yet commenced, terms		15 years
Maximum [Member]
Leases Other Commitments And Certain Contingencies Disclosure [Line Items]
Operating leases remaining terms		17 years
Operating leases not yet commenced, terms		19 years