COMMITMENTS AND CONTINGENCIES 7 (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended	12 Months Ended		12 Months Ended
	Feb. 29, 2008 Allen Matter [Member]	Dec. 31, 2008 Allen Matter [Member] claims	May 31, 2011 Allen Matter [Member]	Dec. 31, 2012 United Auto Workers [Member]
Other Matters [Line Items]
Potential Opeb Increase Due To Adverse Ruling				$ 175
Loss Contingency Claims [Abstract]
Claims unresolved at the beginning of period		21
Claims Resolved		(18)
Claims unresolved at the end of period		3
Allen settlement amount	35
Future liabilities range high	500
Litigation settlement to be paid for remaining claims			$ 23.8