STOCKHOLDERS' EQUITY Narrative (Details) - USD ($)				12 Months Ended
	Jun. 10, 2026	Feb. 05, 2026	Feb. 02, 2026	May 31, 2026	May 31, 2025	May 31, 2024
Mandatory Convertible Preferred Stock [Abstract]
Preferred stock shares issued		100,000,000
Stock Repurchases [Abstract]
Repurchases of common stock (in shares)				400,000	3,900,000	10,600,000
Amount available for future repurchases				$ 6,300,000,000
Repurchased amount				$ 93,000,000	$ 600,000,000	$ 1,200,000,000
Dividends on Common Stock [Abstract]
Dividends declared per common share (in dollars per share)				$ 2	$ 1.7	$ 1.6
Proceeds from issuances of common stock				$ 1,449,000,000	$ 653,000,000	$ 742,000,000
ATM Offering [Member]
Dividends on Common Stock [Abstract]
Proceeds from issuances of common stock			$ 20,000,000,000
Common stock shares sold				0
6.50% Series D Mandatory Convertible Preferred Stock [Member]
Mandatory Convertible Preferred Stock [Abstract]
Preferred stock shares issued		50,000		50,000
Preferred stock dividend rate percentage		6.50%		6.50%
Preferred stock share liquidation preference		$ 100,000
Preferred stock liquidation per share value		$ 0.01
Preferred stock dividend payment terms				Dividends that are declared will be payable on January 15, April 15, July 15 and October 15 to holders of record on January 1, April 1, July 1 and October 1 immediately preceding the relevant dividend payment date.
Convertible preferred stock converted		499.8126
Average volume weighted average price per share consecutive trading day		20 days
Dividends on Common Stock [Abstract]
Dividends declared per share of outstanding preferred stock (in dollars per share)				$ 1,263.89
Minimum | 6.50% Series D Mandatory Convertible Preferred Stock [Member]
Mandatory Convertible Preferred Stock [Abstract]
Convertible preferred stock converted		499.8126
Maximum | 6.50% Series D Mandatory Convertible Preferred Stock [Member]
Mandatory Convertible Preferred Stock [Abstract]
Convertible preferred stock converted		624.7657
Subsequent Event | Quarterly Cash Dividend
Dividends on Common Stock [Abstract]
Dividends declared per share of outstanding common stock (in dollars per share)	$ 0.5
Dividend payable date	Jul. 24, 2026
Dividend record date	Jul. 10, 2026
Subsequent Event | 6.50% Series D Mandatory Convertible Preferred Stock [Member] | Quarterly Cash Dividend
Dividends on Common Stock [Abstract]
Dividend payable date	Jul. 15, 2026
Dividend record date	Jul. 01, 2026
Dividends declared per share of outstanding preferred stock (in dollars per share)	$ 1,625