RESTRUCTURING ACTIVITIES Narrative (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Nov. 30, 2023	Nov. 30, 2022	Nov. 30, 2023	Nov. 30, 2022
Restructuring Cost and Reserve [Line Items]
Restructuring expenses		$ 83	$ 137	$ 222	$ 281
Fiscal 2024 Oracle Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Total estimated restructuring costs	[1]	609		609
Restructuring expenses				243
Remaining expenses to incur		366		366
Fiscal 2024 Oracle Restructuring [Member] | Maximum [Member]
Restructuring Cost and Reserve [Line Items]
Total estimated restructuring costs		$ 609		$ 609

[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.