PROPERTY (Schedule of Other Items Related to Property) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Property, Plant and Equipment [Abstract]
Depreciation expense	$ 1,908	$ 2,136	$ 2,051
Manufacturing maintenance and repair costs	1,991	2,117	2,325
Capitalized interest	$ 218	$ 125	$ 78