STOCKHOLDERS' EQUITY (Tables)

6 Months Ended

Nov. 30, 2019

Stockholders Equity Note [Abstract]

Stock-Based Compensation Expense

	Three Months Ended November 30,				Six Months Ended November 30,
(in millions)	2019		2018		2019		2018
Cloud services and license support	$	30	$	24	$	61	$	48
Hardware		3		2		6		5
Services		14		12		28		25
Sales and marketing		37		93		125		188
Research and development		272		222		543		479
General and administrative		41		43		80		87
Total stock-based compensation	$	397	$	396	$	843	$	832