SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($) $ in Millions	12 Months Ended
	May 31, 2024	May 31, 2023	May 31, 2022
Significant Accounting Policies [Line Items]
Total advertising and promotion expenses	$ 4,285	$ 4,060	$ 3,850
Prepaid advertising and promotion expenses	814	755
Allowance for uncollectible accounts receivable	35	35
Goodwill, impaired, accumulated impairment loss		0
Outstanding supplier obligations, current	$ 840	$ 834
Supplier Finance Program, Obligation, Current, Statement of Financial Position [Extensible Enumeration]	Accounts payable	Accounts payable
Performance-based Restricted Stock Units (PSUs)
Significant Accounting Policies [Line Items]
Stock options vesting period (in years)	3 years
Stock Incentive Plan
Significant Accounting Policies [Line Items]
Stock options vesting period (in years)	4 years
Stock options expiration from the date of grant (in years)	10 years
Building | Minimum
Significant Accounting Policies [Line Items]
Property, plant and equipment, minimum useful life (in years)	2 years
Building | Maximum
Significant Accounting Policies [Line Items]
Property, plant and equipment, minimum useful life (in years)	40 years
Leasehold improvements | Minimum
Significant Accounting Policies [Line Items]
Property, plant and equipment, minimum useful life (in years)	2 years
Leasehold improvements | Maximum
Significant Accounting Policies [Line Items]
Property, plant and equipment, minimum useful life (in years)	40 years
Land Improvements | Minimum
Significant Accounting Policies [Line Items]
Property, plant and equipment, minimum useful life (in years)	2 years
Land Improvements | Maximum
Significant Accounting Policies [Line Items]
Property, plant and equipment, minimum useful life (in years)	40 years
Machinery and Equipment | Minimum
Significant Accounting Policies [Line Items]
Property, plant and equipment, minimum useful life (in years)	2 years
Machinery and Equipment | Maximum
Significant Accounting Policies [Line Items]
Property, plant and equipment, minimum useful life (in years)	15 years
Software and Software Development Costs | Minimum
Significant Accounting Policies [Line Items]
Property, plant and equipment, minimum useful life (in years)	2 years
Software and Software Development Costs | Maximum
Significant Accounting Policies [Line Items]
Property, plant and equipment, minimum useful life (in years)	12 years
Prepaid expenses and other current assets
Significant Accounting Policies [Line Items]
Prepaid advertising and promotion expenses	$ 420	$ 372
Deferred income taxes and other assets
Significant Accounting Policies [Line Items]
Prepaid advertising and promotion expenses	$ 394	$ 383