RESTRUCTURING ACTIVITIES Narrative (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Feb. 28, 2023	Feb. 28, 2022	Feb. 28, 2023	Feb. 28, 2022
Restructuring reserve [Line Items]
Restructuring expenses		$ 78	$ 19	$ 359	$ 89
Fiscal 2022 Oracle Restructuring [Member]
Restructuring reserve [Line Items]
Total estimated restructuring costs	[1]	927		927
Restructuring expenses				359	$ 117
Remaining expenses to incur		342		$ 342
Expected completion date				May 31, 2023
Fiscal 2022 Oracle Restructuring [Member] | Maximum [Member]
Restructuring reserve [Line Items]
Total estimated restructuring costs		$ 927		$ 927

[1] Restructuring costs recorded to each of the operating segments presented primarily related to employee severance costs. Other restructuring costs represented employee severance costs not related to our operating segments and certain other restructuring plan costs.