FAIR VALUE MEASUREMENTS (Details) - USD ($) $ in Millions	Nov. 30, 2025	May 31, 2025
Assets [Abstract]
Derivative financial instruments	$ 21	$ 54
Total assets	12,427	2,859
Liabilities [Abstract]
Derivative financial instruments	0	26
Money Market Funds [Member]
Assets [Abstract]
Investments and cash and cash equivalents	11,834	2,220
Time Deposits and Other [Member]
Assets [Abstract]
Investments and cash and cash equivalents	572	585
Fair Value Measurements Using Input Types Level 1 [Member]
Assets [Abstract]
Derivative financial instruments	0	0
Total assets	11,900	2,279
Liabilities [Abstract]
Derivative financial instruments	0	0
Fair Value Measurements Using Input Types Level 1 [Member] | Money Market Funds [Member]
Assets [Abstract]
Investments and cash and cash equivalents	11,834	2,220
Fair Value Measurements Using Input Types Level 1 [Member] | Time Deposits and Other [Member]
Assets [Abstract]
Investments and cash and cash equivalents	66	59
Fair Value Measurements Using Input Types Level 2 [Member]
Assets [Abstract]
Derivative financial instruments	21	54
Total assets	527	580
Liabilities [Abstract]
Derivative financial instruments	0	26
Fair Value Measurements Using Input Types Level 2 [Member] | Money Market Funds [Member]
Assets [Abstract]
Investments and cash and cash equivalents	0	0
Fair Value Measurements Using Input Types Level 2 [Member] | Time Deposits and Other [Member]
Assets [Abstract]
Investments and cash and cash equivalents	$ 506	$ 526