SUMMARY OF TOTAL REVENUES BY GEOGRAPHIC REGION (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Feb. 28, 2022	Feb. 28, 2021	Feb. 28, 2022	Feb. 28, 2021
Disaggregation of Revenue [Line Items]
Total revenues		$ 10,513	$ 10,085	$ 30,600	$ 29,252
Americas [Member]
Disaggregation of Revenue [Line Items]
Total revenues		5,849	5,424	16,905	15,751
EMEA [Member]
Disaggregation of Revenue [Line Items]
Total revenues	[1]	3,014	2,981	8,751	8,571
Asia Pacific [Member]
Disaggregation of Revenue [Line Items]
Total revenues		$ 1,650	$ 1,680	$ 4,944	$ 4,930

[1] Comprised of Europe, the Middle East and Africa