LONG-TERM DEBT - Net of Unamortized Premiums, Discounts and Debt Issuance Costs (Details) - USD ($)	12 Months Ended
	May 31, 2025	May 31, 2024
Debt Instrument [Line Items]
Total	$ 7,961,000,000	$ 8,903,000,000
Less Current Portion of Long-Term Debt	0	1,000,000,000
TOTAL LONG-TERM DEBT	7,961,000,000	7,903,000,000
Interest rate swaps
Debt Instrument [Line Items]
Notional amount outstanding	$ 2,400,000,000
Minimum | Interest rate swaps
Debt Instrument [Line Items]
Derivative, basis spread on variable rate	3.60%
Maximum | Interest rate swaps
Debt Instrument [Line Items]
Derivative, basis spread on variable rate	4.50%
Corporate Bond Payables
Debt Instrument [Line Items]
Percent of aggregate principal amount of the notes to be redeemed	100.00%
Corporate Bond Payables | 2.40% Corporate bond, payable March 27, 2025
Debt Instrument [Line Items]
ORIGINAL PRINCIPAL	$ 1,000,000,000
INTEREST RATE	2.40%
INTEREST PAYMENTS	Semi-Annually
Total	$ 0	999,000,000
Corporate Bond Payables | 2.38% Corporate bond, payable November 1, 2026
Debt Instrument [Line Items]
ORIGINAL PRINCIPAL	$ 1,000,000,000
INTEREST RATE	2.38%
INTEREST PAYMENTS	Semi-Annually
Total	$ 999,000,000	998,000,000
Corporate Bond Payables | 2.75% Corporate bond, payable March 27, 2027
Debt Instrument [Line Items]
ORIGINAL PRINCIPAL	$ 1,000,000,000
INTEREST RATE	2.75%
INTEREST PAYMENTS	Semi-Annually
Total	$ 999,000,000	998,000,000
Corporate Bond Payables | 2.85% Corporate bond, payable March 27, 2030
Debt Instrument [Line Items]
ORIGINAL PRINCIPAL	$ 1,500,000,000
INTEREST RATE	2.85%
INTEREST PAYMENTS	Semi-Annually
Total	$ 1,495,000,000	1,494,000,000
Corporate Bond Payables | 3.25% Corporate bond, payable March 27, 2040
Debt Instrument [Line Items]
ORIGINAL PRINCIPAL	$ 1,000,000,000
INTEREST RATE	3.25%
INTEREST PAYMENTS	Semi-Annually
Total	$ 993,000,000	966,000,000
Corporate Bond Payables | 3.63% Corporate bond, payable May 1, 2043
Debt Instrument [Line Items]
ORIGINAL PRINCIPAL	$ 500,000,000
INTEREST RATE	3.63%
INTEREST PAYMENTS	Semi-Annually
Total	$ 502,000,000	488,000,000
Corporate Bond Payables | 3.88% Corporate bond, payable November 1, 2045
Debt Instrument [Line Items]
ORIGINAL PRINCIPAL	$ 1,000,000,000
INTEREST RATE	3.88%
INTEREST PAYMENTS	Semi-Annually
Total	$ 997,000,000	986,000,000
Corporate Bond Payables | 3.38% Corporate bond, payable November 1, 2046
Debt Instrument [Line Items]
ORIGINAL PRINCIPAL	$ 500,000,000
INTEREST RATE	3.38%
INTEREST PAYMENTS	Semi-Annually
Total	$ 493,000,000	492,000,000
Corporate Bond Payables | 3.38% Corporate bond, payable March 27, 2050
Debt Instrument [Line Items]
ORIGINAL PRINCIPAL	$ 1,500,000,000
INTEREST RATE	3.38%
INTEREST PAYMENTS	Semi-Annually
Total	$ 1,483,000,000	$ 1,482,000,000