LEASES, OTHER COMMITMENTS AND CERTAIN CONTINGENCIES Narrative (Details) - USD ($) $ in Millions		12 Months Ended
	Jun. 01, 2019	May 31, 2020	May 31, 2020
Leases Other Commitments And Certain Contingencies Disclosure [Line Items]
Operating lease expenses			$ 599
Sublease income			$ 16
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]		us-gaap:OtherAssetsNoncurrent	us-gaap:OtherAssetsNoncurrent
Right of use assets operating leases		$ 2,000	$ 2,000
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]		us-gaap:OtherLiabilitiesCurrent	us-gaap:OtherLiabilitiesCurrent
Operating lease liabilities, current		$ 575	$ 575
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]		us-gaap:OtherLiabilitiesNoncurrent	us-gaap:OtherLiabilitiesNoncurrent
Operating lease liabilities, non-current		$ 1,500	$ 1,500
Right of use asset in exchange for operating lease obligation	$ 1,900	$ 849	2,800
Cash paid for operating lease liabilities			$ 663
Operating leases weighted average remaining lease term		6 years	6 years
Operating lease obligations, weighted average discount rate		3.20%	3.20%
Additional operating lease commitments		$ 411	$ 411
Minimum [Member]
Leases Other Commitments And Certain Contingencies Disclosure [Line Items]
Operating leases remaining terms			1 year
Operating leases not yet commenced, terms		1 year	1 year
Maximum [Member]
Leases Other Commitments And Certain Contingencies Disclosure [Line Items]
Operating leases remaining terms			12 years
Operating leases not yet commenced, terms		10 years	10 years