STOCKHOLDERS' EQUITY (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Feb. 28, 2025	Feb. 29, 2024	Feb. 28, 2025	Feb. 29, 2024
Stock-based compensation expense and valuations of stock awards [Abstract]
Total stock-based compensation	$ 1,198	$ 1,048	$ 3,374	$ 2,927
Cloud services and license support [Member]
Stock-based compensation expense and valuations of stock awards [Abstract]
Total stock-based compensation	160	138	459	386
Hardware [Member]
Stock-based compensation expense and valuations of stock awards [Abstract]
Total stock-based compensation	8	6	21	17
Services [Member]
Stock-based compensation expense and valuations of stock awards [Abstract]
Total stock-based compensation	54	45	150	123
Sales and marketing [Member]
Stock-based compensation expense and valuations of stock awards [Abstract]
Total stock-based compensation	200	179	556	488
Research and development [Member]
Stock-based compensation expense and valuations of stock awards [Abstract]
Total stock-based compensation	675	584	1,902	1,642
General and administrative [Member]
Stock-based compensation expense and valuations of stock awards [Abstract]
Total stock-based compensation	$ 101	$ 96	$ 286	$ 271