Property Plant and Equipment (Detail) - USD ($) $ in Millions	May 31, 2017	May 31, 2016
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	$ 7,958	$ 7,038
Less accumulated depreciation	3,969	3,518
TOTAL PROPERTY, PLANT AND EQUIPMENT, NET	3,989	3,520
Land and Land Improvements [Member]
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	285	286
Buildings
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	1,564	1,467
Machinery, equipment and internal-use software
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	3,867	3,510
Leasehold improvements
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	1,484	1,338
Construction in process
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	$ 758	$ 437