PROPERTY AND EQUIPMENT - Property and Equipment, Net (Details) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Property and Equipment
Property and equipment, Gross	$ 2,574	$ 2,627
Less: Accumulated depreciation	(1,547)	(1,581)
Total	1,027	1,046
Land and improvements
Property and Equipment
Property and equipment, Gross	115	122
Buildings
Property and Equipment
Property and equipment, Gross	672	715
Machinery and equipment
Property and Equipment
Property and equipment, Gross	$ 1,787	$ 1,790