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DESCRIPTION OF BUSINESS SEGMENTS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Obligation Confirmed and Paid (Details) - Supply Chain Finance - USD ($) $ in Millions	3 Months Ended
	Aug. 31, 2025	Aug. 31, 2024
Supplier Finance Program [Line Items]
Supplier Finance Program, Obligation, Statement of Financial Position [Extensible Enumeration]	Accounts payable	Accounts payable
Supplier Finance Program, Obligation [Roll Forward]
Confirmed obligations outstanding at the beginning of the year	$ 71	$ 94
Invoices confirmed during the period	186	164
Confirmed invoices paid during the period	(143)	(185)
Currency translation adjustments	2	2
Confirmed obligations outstanding at the end of the year	$ 116	$ 75

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