RESTRUCTURING ACTIVITIES Narrative (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Feb. 28, 2022	Feb. 28, 2021	Feb. 28, 2022	Feb. 28, 2021
Restructuring reserve [Line Items]
Restructuring expenses		$ 19	$ 66	$ 89	$ 337
Fiscal 2022 Oracle Restructuring [Member]
Restructuring reserve [Line Items]
Total estimated restructuring costs	[1]	353		353
Restructuring expenses				117
Remaining expenses to incur		236		$ 236
Expected completion date				May 31, 2024
Fiscal 2022 Oracle Restructuring [Member] | Maximum [Member]
Restructuring reserve [Line Items]
Total estimated restructuring costs		$ 353		$ 353

[1] Restructuring costs recorded for individual line items primarily related to employee severance costs.