Property, Plant and Equipment (Detail) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Property, Plant, and Equipment [Line Items]
Property, plant, and equipment, gross	$ 14,547	$ 13,489
Less: accumulated depreciation and amortization	(9,057)	(8,738)
Total property, plant, and equipment, net	5,490	4,751
Land
Property, Plant, and Equipment [Line Items]
Property, plant, and equipment, gross	123	99
Buildings
Property, Plant, and Equipment [Line Items]
Property, plant, and equipment, gross	6,128	5,723
Machinery and equipment
Property, Plant, and Equipment [Line Items]
Property, plant, and equipment, gross	7,409	7,031
Construction in progress
Property, Plant, and Equipment [Line Items]
Property, plant, and equipment, gross	$ 887	$ 636