STOCKHOLDERS' EQUITY (Details) - USD ($) $ in Millions	3 Months Ended
	Aug. 31, 2025	Aug. 31, 2024
Stock-based compensation expense and valuations of stock awards [Abstract]
Total stock-based compensation	$ 1,124	$ 1,007
Cloud and Software [Member]
Stock-based compensation expense and valuations of stock awards [Abstract]
Total stock-based compensation	156	141
Hardware [Member]
Stock-based compensation expense and valuations of stock awards [Abstract]
Total stock-based compensation	7	6
Services [Member]
Stock-based compensation expense and valuations of stock awards [Abstract]
Total stock-based compensation	49	43
Sales and marketing [Member]
Stock-based compensation expense and valuations of stock awards [Abstract]
Total stock-based compensation	177	162
Research and development [Member]
Stock-based compensation expense and valuations of stock awards [Abstract]
Total stock-based compensation	647	569
General and administrative [Member]
Stock-based compensation expense and valuations of stock awards [Abstract]
Total stock-based compensation	$ 88	$ 86