CASH, CASH EQUIVALENTS AND MARKETABLE SECURITIES (Tables)

12 Months Ended

May 31, 2020

Cash Cash Equivalents And Short Term Investments [Abstract]

Cash, Cash Equivalents and Marketable Securities

	May 31,
(in millions)	2020		2019
Corporate debt securities and other	$	6,625	$	22,242
Commercial paper debt securities		5,640		—
Money market funds		18,587		5,700
Total investments	$	30,852	$	27,942
Investments classified as cash equivalents	$	25,034	$	10,629
Investments classified as marketable securities	$	5,818	$	17,313