Property, Plant And Equipment (Schedule Of Property, Plant And Equipment) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Property, Plant and Equipment [Abstract]
Land	$ 562	$ 531
Buildings and land improvements	11,068	10,696
Machinery and equipment	12,376	11,847
Construction in progress	1,288	1,231
Gross property, plant and equipment	25,294	24,305
Less accumulated depreciation	(15,070)	(14,645)
Total	$ 10,224	$ 9,660