FAIR VALUE MEASUREMENTS - Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Millions	Aug. 31, 2024	May 31, 2024
Assets, Fair Value Disclosure [Abstract]
SHORT-TERM INVESTMENTS	$ 1,809	$ 1,722
Fair Value, Measurements, Recurring
Assets, Fair Value Disclosure [Abstract]
Cash	1,768	1,222
ASSETS AT FAIR VALUE	10,294	11,582
CASH AND EQUIVALENTS	8,485	9,860
SHORT-TERM INVESTMENTS	1,809	1,722
Reduction in derivative liabilities if netted	141	142
Reduction in derivative assets if netted	141	142
Sales-related reserves		112
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1 | U.S. Treasury securities
Assets, Fair Value Disclosure [Abstract]
ASSETS AT FAIR VALUE	1,194	1,175
CASH AND EQUIVALENTS	13	155
SHORT-TERM INVESTMENTS	1,181	1,020
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2
Assets, Fair Value Disclosure [Abstract]
ASSETS AT FAIR VALUE	7,332	9,185
CASH AND EQUIVALENTS	6,704	8,483
SHORT-TERM INVESTMENTS	628	702
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Commercial paper and bonds
Assets, Fair Value Disclosure [Abstract]
ASSETS AT FAIR VALUE	615	591
CASH AND EQUIVALENTS	19	17
SHORT-TERM INVESTMENTS	596	574
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Money market funds
Assets, Fair Value Disclosure [Abstract]
ASSETS AT FAIR VALUE	6,456	8,119
CASH AND EQUIVALENTS	6,456	8,119
SHORT-TERM INVESTMENTS	0	0
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Time deposits
Assets, Fair Value Disclosure [Abstract]
ASSETS AT FAIR VALUE	236	440
CASH AND EQUIVALENTS	229	347
SHORT-TERM INVESTMENTS	7	93
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | U.S. Agency securities
Assets, Fair Value Disclosure [Abstract]
ASSETS AT FAIR VALUE	25	35
CASH AND EQUIVALENTS	0	0
SHORT-TERM INVESTMENTS	$ 25	$ 35