BASIS OF PRESENTATION AND RECENT ACCOUNTING PRONOUNCEMENTS Narrative (Details) - USD ($) $ in Millions		3 Months Ended
	Jun. 01, 2019	Jul. 31, 2020	Aug. 31, 2019	Aug. 31, 2018
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]			us-gaap:OtherAssetsNoncurrent
Right of use assets operating leases			$ 2,000
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]			us-gaap:OtherLiabilitiesCurrent
Operating lease liabilities			$ 587
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]			us-gaap:OtherLiabilitiesNoncurrent
Operating lease liabilities			$ 1,500
Operating lease expenses			148
Sublease income			4
Cash paid for operating lease liabilities			148
Right of use asset in exchange for operating lease obligation	$ 1,900		$ 2,200
Operating leases weighted average remaining lease term			5 years
Operating leases weighted average discount rate			3.10%
Contract with Customer, Asset and Liability [Abstract]
Revenues recognized included in opening deferred revenue balance			$ 3,500	$ 3,500
Impairment losses recognized on receivables			0	0
Revenue, Performance Obligation [Abstract]
Remaining Performance Obligation, Amount, Total			$ 33,800
Remaining Performance Obligation, Percentage, to be recognized in the next twelve months			61.00%
Sales of Financing Receivables [Abstract]
Sales of financing receivables			$ 705	$ 822
Restricted Cash Equivalents [Abstract]
Restricted cash and cash equivalent item, description			nominal
Scenario Forecast [Member]
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Right of use asset in exchange for operating lease obligation		$ 211
Minimum [Member]
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Operating leases remaining terms			1 year
Maximum [Member]
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Operating leases remaining terms			13 years