RISK MANAGEMENT AND DERIVATIVES - FV of Derivative Instruments Included within Consolidated Balance Sheet (Detail) - USD ($) $ in Millions	Feb. 29, 2024	May 31, 2023
Derivatives, Fair Value [Line Items]
DERIVATIVE ASSETS	$ 392	$ 557
DERIVATIVE LIABILITIES	153	180
Derivatives formally designated as hedging instruments
Derivatives, Fair Value [Line Items]
DERIVATIVE ASSETS	380	544
DERIVATIVE LIABILITIES	142	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	312	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	66	64
Derivatives formally designated as hedging instruments | Foreign exchange forwards and options | Accrued liabilities
Derivatives, Fair Value [Line Items]
DERIVATIVE LIABILITIES	121	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	17	52
Derivatives formally designated as hedging instruments | Interest rate swap contracts | Deferred income taxes and other assets
Derivatives, Fair Value [Line Items]
DERIVATIVE ASSETS	2	0
Derivatives formally designated as hedging instruments | Interest rate swap contracts | Deferred income taxes and other liabilities
Derivatives, Fair Value [Line Items]
DERIVATIVE LIABILITIES	4	0
Derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
DERIVATIVE ASSETS	12	13
DERIVATIVE LIABILITIES	11	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	12	13
Derivatives not designated as hedging instruments | Foreign exchange forwards and options | Accrued liabilities
Derivatives, Fair Value [Line Items]
DERIVATIVE LIABILITIES	$ 11	$ 35