SUMMARY OF CLOUD SERVICES AND LICENSE SUPPORT REVENUES BY ECOSYSTEMS (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
Applications Cloud Services and License Support [Member]
Disaggregation of Revenue [Line Items]
Total revenues	3,187	2,952	9,377	8,669
Infrastructure Cloud Services and License Support [Member]
Disaggregation of Revenue [Line Items]
Total revenues	4,450	4,300	13,185	12,642
Cloud services and license support [Member]
Disaggregation of Revenue [Line Items]
Total revenues	$ 7,637	$ 7,252	$ 22,562	$ 21,311