RISK MANAGEMENT AND DERIVATIVES - FV of Derivative Instruments Included within Consolidated Balance Sheet (Details) - USD ($) $ in Millions	May 31, 2024	May 31, 2023
Derivatives, Fair Value [Line Items]
DERIVATIVE ASSETS	$ 343	$ 557
DERIVATIVE LIABILITIES	151	180
Derivatives formally designated as hedging instruments
Derivatives, Fair Value [Line Items]
DERIVATIVE ASSETS	313	544
DERIVATIVE LIABILITIES	146	145
Derivatives formally designated as hedging instruments | Foreign exchange forwards and options | Prepaid expenses and other current assets
Derivatives, Fair Value [Line Items]
DERIVATIVE ASSETS	269	480
Derivatives formally designated as hedging instruments | Foreign exchange forwards and options | Deferred income taxes and other assets
Derivatives, Fair Value [Line Items]
DERIVATIVE ASSETS	44	64
Derivatives formally designated as hedging instruments | Foreign exchange forwards and options | Accrued liabilities
Derivatives, Fair Value [Line Items]
DERIVATIVE LIABILITIES	110	93
Derivatives formally designated as hedging instruments | Foreign exchange forwards and options | Deferred income taxes and other liabilities
Derivatives, Fair Value [Line Items]
DERIVATIVE LIABILITIES	5	52
Derivatives formally designated as hedging instruments | Interest rate swaps | Deferred income taxes and other liabilities
Derivatives, Fair Value [Line Items]
DERIVATIVE LIABILITIES	31	0
Derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
DERIVATIVE ASSETS	30	13
DERIVATIVE LIABILITIES	5	35
Derivatives not designated as hedging instruments | Foreign exchange forwards and options | Prepaid expenses and other current assets
Derivatives, Fair Value [Line Items]
DERIVATIVE ASSETS	30	13
Derivatives not designated as hedging instruments | Foreign exchange forwards and options | Accrued liabilities
Derivatives, Fair Value [Line Items]
DERIVATIVE LIABILITIES	$ 5	$ 35