PLANTS, EQUIPMENT AND FACILITIES (Summary Of Depreciable Lives Of Assets) (Detail)	12 Months Ended
	Dec. 31, 2011 Buildings Composite Depreciation	Dec. 31, 2011 Buildings Minimum Straight Line Depreciation	Dec. 31, 2011 Buildings Maximum Straight Line Depreciation	Dec. 31, 2011 Machinery and equipment Minimum Composite Depreciation	Dec. 31, 2011 Machinery and equipment Minimum Straight Line Depreciation	Dec. 31, 2011 Machinery and equipment Maximum Composite Depreciation	Dec. 31, 2011 Machinery and equipment Maximum Straight Line Depreciation	Dec. 31, 2013 Depreciable Assets Equipment Minimum	Dec. 31, 2012 Depreciable Assets Equipment Minimum	Dec. 31, 2013 Depreciable Assets Equipment Maximum	Dec. 31, 2012 Depreciable Assets Equipment Maximum	Dec. 31, 2013 Depreciable Assets Buildings Minimum	Dec. 31, 2012 Depreciable Assets Buildings Minimum	Dec. 31, 2013 Depreciable Assets Buildings Maximum	Dec. 31, 2012 Depreciable Assets Buildings Maximum
Property, Plant and Equipment [Line Items]
Depreciable lives of assets	31 years	20 years	33 years	5 years	3 years	18 years	15 years	5 years	5 years	30 years	30 years	10 years	10 years	38 years	38 years