STOCKHOLDERS' EQUITY (DEFICIT) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Feb. 29, 2024	Feb. 28, 2023	Feb. 29, 2024	Feb. 28, 2023
Stock-based compensation expense and valuations of stock awards [Abstract]
Total stock-based compensation	$ 1,048	$ 924	$ 2,927	$ 2,583
Cloud services and license support [Member]
Stock-based compensation expense and valuations of stock awards [Abstract]
Total stock-based compensation	138	114	386	319
Hardware [Member]
Stock-based compensation expense and valuations of stock awards [Abstract]
Total stock-based compensation	6	5	17	13
Services [Member]
Stock-based compensation expense and valuations of stock awards [Abstract]
Total stock-based compensation	45	39	123	99
Sales and marketing [Member]
Stock-based compensation expense and valuations of stock awards [Abstract]
Total stock-based compensation	179	158	488	433
Research and development [Member]
Stock-based compensation expense and valuations of stock awards [Abstract]
Total stock-based compensation	584	517	1,642	1,448
General and administrative [Member]
Stock-based compensation expense and valuations of stock awards [Abstract]
Total stock-based compensation	$ 96	$ 91	$ 271	$ 271