STOCKHOLDERS' DEFICIT (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 30, 2022	Nov. 30, 2021	Nov. 30, 2022	Nov. 30, 2021
Stock-based compensation expense and valuations of stock awards [Abstract]
Total stock-based compensation	$ 909	$ 681	$ 1,659	$ 1,226
Cloud services and license support [Member]
Stock-based compensation expense and valuations of stock awards [Abstract]
Total stock-based compensation	113	50	204	90
Hardware [Member]
Stock-based compensation expense and valuations of stock awards [Abstract]
Total stock-based compensation	5	4	9	7
Services [Member]
Stock-based compensation expense and valuations of stock awards [Abstract]
Total stock-based compensation	35	18	60	32
Sales and marketing [Member]
Stock-based compensation expense and valuations of stock awards [Abstract]
Total stock-based compensation	151	120	275	215
Research and development [Member]
Stock-based compensation expense and valuations of stock awards [Abstract]
Total stock-based compensation	510	423	932	767
General and administrative [Member]
Stock-based compensation expense and valuations of stock awards [Abstract]
Total stock-based compensation	$ 95	$ 66	$ 179	$ 115