Property, Plant and Equipment, net (Detail) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	$ 16,978	$ 16,089
Less: accumulated depreciation and amortization	(10,387)	(9,965)
Total property, plant and equipment, net	6,591	6,124
Land
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	136	135
Buildings
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	7,013	6,553
Machinery and equipment
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	8,128	7,871
Construction in progress
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	$ 1,701	$ 1,530