PROPERTY (Schedule of Property) (Details) (USD $) In Millions, unless otherwise specified																	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 Land [Member]	Dec. 31, 2011 Land [Member]	Dec. 31, 2012 Land and waterway improvements [Member]	Dec. 31, 2011 Land and waterway improvements [Member]	Dec. 31, 2012 Buildings [Member]	Dec. 31, 2011 Buildings [Member]	Dec. 31, 2012 Machinery and equipment [Member]	Dec. 31, 2011 Machinery and equipment [Member]	Dec. 31, 2012 Utility and Supply Lines [Member]	Dec. 31, 2011 Utility and Supply Lines [Member]	Dec. 31, 2012 Other property [Member]	Dec. 31, 2011 Other property [Member]	Dec. 31, 2012 Construction in Progress [Member]	Dec. 31, 2011 Construction in Progress [Member]	Dec. 31, 2012 Maximum [Member] Land and waterway improvements [Member]	Dec. 31, 2012 Maximum [Member] Buildings [Member]	Dec. 31, 2012 Maximum [Member] Machinery and equipment [Member]	Dec. 31, 2012 Maximum [Member] Utility and Supply Lines [Member]	Dec. 31, 2012 Maximum [Member] Other property [Member]	Dec. 31, 2012 Minimum [Member] Land and waterway improvements [Member]	Dec. 31, 2012 Minimum [Member] Buildings [Member]	Dec. 31, 2012 Minimum [Member] Machinery and equipment [Member]	Dec. 31, 2012 Minimum [Member] Utility and Supply Lines [Member]	Dec. 31, 2012 Minimum [Member] Other property [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life																	25 years	50 years	20 years	20 years	30 years	15 years	5 years	3 years	5 years	3 years
Property	$ 7,211	$ 7,099	$ 50	$ 50	$ 202	$ 198	$ 412	$ 415	$ 5,915	$ 5,772	$ 153	$ 142	$ 285	$ 349	$ 194	$ 173