NOTES PAYABLE AND OTHER BORROWINGS (Details) $ in Millions	6 Months Ended
	Nov. 30, 2024 USD ($)
Debt Instrument [Line Items]
Total debt, carrying value	$ 6,250
Unamortized discount/issuance costs	(39)
Total fixed-rate senior notes, net	6,211
Senior Notes Due September2029
Debt Instrument [Line Items]
Senior notes, par value	$ 1,500
Stated interest rate percentage	4.20%
Maturity date	Sep. 27, 2029
Total debt, carrying value	$ 1,500
Effective interest rate	4.27%
SeniorNotes Due September2034
Debt Instrument [Line Items]
Senior notes, par value	$ 1,750
Stated interest rate percentage	4.70%
Maturity date	Sep. 27, 2034
Total debt, carrying value	$ 1,750
Effective interest rate	4.77%
Senior Notes Due September2054
Debt Instrument [Line Items]
Senior notes, par value	$ 1,750
Stated interest rate percentage	5.375%
Maturity date	Sep. 27, 2054
Total debt, carrying value	$ 1,750
Effective interest rate	5.43%
Senior Notes Due September2064
Debt Instrument [Line Items]
Senior notes, par value	$ 1,250
Stated interest rate percentage	5.50%
Maturity date	Sep. 27, 2064
Total debt, carrying value	$ 1,250
Effective interest rate	5.55%