Property Plant And Equipment (Summary Of Property Plant And Equipment) (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Property, Plant and Equipment [Line Items]
Property plant and equipment, gross	$ 3,842	$ 3,558
Accumulated depreciation	(1,489)	(1,398)
Property plant and equipment, net	2,353	2,160
Land [Member]
Property, Plant and Equipment [Line Items]
Property plant and equipment, gross	252	215
Building And Building Improvements [Member]
Property, Plant and Equipment [Line Items]
Property plant and equipment, gross	$ 536	511
Building And Building Improvements [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	10 years
Building And Building Improvements [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	39 years
Machinery And Equipment [Member]
Property, Plant and Equipment [Line Items]
Property plant and equipment, gross	$ 3,054	$ 2,832
Machinery And Equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	3 years
Machinery And Equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	12 years