RISK MANAGEMENT AND DERIVATIVES - Fair Value of Derivative Instruments Included within Consolidated Balance Sheet (Details) - USD ($) $ in Millions	Feb. 28, 2026	May 31, 2025
Derivatives, Fair Value [Line Items]
DERIVATIVE ASSETS	$ 250	$ 131
DERIVATIVE LIABILITIES	474	371
Derivatives formally designated as hedging instruments
Derivatives, Fair Value [Line Items]
DERIVATIVE ASSETS	214	121
DERIVATIVE LIABILITIES	451	361
Derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
DERIVATIVE ASSETS	36	10
DERIVATIVE LIABILITIES	23	10
Prepaid expenses and other current assets \| Foreign exchange forwards and options \| Derivatives formally designated as hedging instruments
Derivatives, Fair Value [Line Items]
DERIVATIVE ASSETS	104	75
Prepaid expenses and other current assets \| Foreign exchange forwards and options \| Derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
DERIVATIVE ASSETS	36	10
Deferred income taxes and other assets \| Foreign exchange forwards and options \| Derivatives formally designated as hedging instruments
Derivatives, Fair Value [Line Items]
DERIVATIVE ASSETS	25	22
Deferred income taxes and other assets \| Interest rate swaps \| Derivatives formally designated as hedging instruments
Derivatives, Fair Value [Line Items]
DERIVATIVE ASSETS	85	24
Accrued liabilities \| Foreign exchange forwards and options \| Derivatives formally designated as hedging instruments
Derivatives, Fair Value [Line Items]
DERIVATIVE LIABILITIES	354	216
Accrued liabilities \| Foreign exchange forwards and options \| Derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
DERIVATIVE LIABILITIES	22	10
Deferred income taxes and other liabilities \| Foreign exchange forwards and options \| Derivatives formally designated as hedging instruments
Derivatives, Fair Value [Line Items]
DERIVATIVE LIABILITIES	97	142
Deferred income taxes and other liabilities \| Foreign exchange forwards and options \| Derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
DERIVATIVE LIABILITIES	1	0
Deferred income taxes and other liabilities \| Interest rate swaps \| Derivatives formally designated as hedging instruments
Derivatives, Fair Value [Line Items]
DERIVATIVE LIABILITIES	$ 0	$ 3

Derivatives formally designated as hedging instruments

Derivatives not designated as hedging instruments

Prepaid expenses and other current assets | Foreign exchange forwards and options | Derivatives formally designated as hedging instruments

Prepaid expenses and other current assets | Foreign exchange forwards and options | Derivatives not designated as hedging instruments

Deferred income taxes and other assets | Foreign exchange forwards and options | Derivatives formally designated as hedging instruments

Deferred income taxes and other assets | Interest rate swaps | Derivatives formally designated as hedging instruments

Accrued liabilities | Foreign exchange forwards and options | Derivatives formally designated as hedging instruments

Accrued liabilities | Foreign exchange forwards and options | Derivatives not designated as hedging instruments

Deferred income taxes and other liabilities | Foreign exchange forwards and options | Derivatives formally designated as hedging instruments

Deferred income taxes and other liabilities | Foreign exchange forwards and options | Derivatives not designated as hedging instruments

Deferred income taxes and other liabilities | Interest rate swaps | Derivatives formally designated as hedging instruments