Property Plant and Equipment (Detail) - USD ($) $ in Millions	May. 31, 2015	May. 31, 2014
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	$ 6,352	$ 6,220
Less accumulated depreciation	3,341	3,386
TOTAL PROPERTY, PLANT AND EQUIPMENT, NET	3,011	2,834
Land
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	273	270
Buildings
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	1,250	1,261
Machinery, equipment and internal-use software
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	3,329	3,376
Capital lease obligations	5	74
Leasehold improvements
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	1,150	1,066
Construction in process
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	$ 350	$ 247