FAIR VALUE MEASUREMENTS (Tables)

3 Months Ended

Aug. 31, 2021

Fair Value Disclosures [Abstract]

Assets and Liabilities Measured at Fair Value on a Recurring Basis

	August 31, 2021						May 31, 2021
	Fair Value Measurements Using Input Types						Fair Value Measurements Using Input Types
(in millions)	Level 1		Level 2		Total		Level 1		Level 2		Total
Assets:
Money market funds	$	5,269	$	—	$	5,269	$	12,263	$	—	$	12,263
Corporate debt securities and other		2,204		9,450		11,654		1,250		8,220		9,470
Commercial paper debt securities		—		9,510		9,510		—		11,712		11,712
Derivative financial instruments		—		35		35		—		73		73
Total assets	$	7,473	$	18,995	$	26,468	$	13,513	$	20,005	$	33,518