Property Plant and Equipment (Detail) - USD ($) $ in Millions	May 31, 2018	May 31, 2017
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	$ 8,891	$ 7,958
Less accumulated depreciation	4,437	3,969
TOTAL PROPERTY, PLANT AND EQUIPMENT, NET	4,454	3,989
Land and improvements
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	331	285
Buildings
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	2,195	1,564
Machinery, equipment and internal-use software
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	4,230	3,867
Leasehold improvements
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	1,494	1,484
Construction in process
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	$ 641	$ 758