RESTRUCTURING ACTIVITIES Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2020
Restructuring reserve [Line Items]
Restructuring expenses	$ 191	$ 431	$ 250
Fiscal 2022 Oracle Restructuring [Member]
Restructuring reserve [Line Items]
Restructuring expenses	223
Remaining expenses to incur	$ 169
Expected completion date	May 31, 2024
Fiscal 2022 Oracle Restructuring [Member] | Maximum [Member]
Restructuring reserve [Line Items]
Total estimated restructuring costs	$ 392
Fiscal 2019 Oracle Restructuring [Member]
Restructuring reserve [Line Items]
Restructuring expenses		430	$ 261
Restructuring and related costs recorded to date		$ 1,200