STOCKHOLDERS' EQUITY (Tables)

9 Months Ended

Feb. 28, 2018

Stockholders Equity Note [Abstract]

Stock-Based Compensation Expense

	Three Months Ended February 28,				Nine Months Ended February 28,
(in millions)	2018		2017		2018		2017
Cloud SaaS	$	11	$	6	$	31	$	17
Cloud PaaS and IaaS		3		1		7		3
Software license updates and product support		7		6		20		18
Hardware		2		3		8		9
Services		13		14		41		31
Sales and marketing		87		96		275		228
Research and development		221		191		693		574
General and administrative		45		32		135		104
Acquisition related and other		—		22		1		33
Total stock-based compensation	$	389	$	371	$	1,211	$	1,017