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PENSION AND OTHER POSTRETIREMENT BENEFITS 6 (Details) (Other Postretirement Benefits [Member])	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Other Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Medical Care and Drug Cost Trend Rate Assumed for Next Year	7.50%	8.25%
Dental Care Cost Trend Rate Assumed for Next Year	4.75%	4.75%
Rate to which Cost Trend Rates are Assumed to Decline (the Ultimate Trend Rate)	4.75%	4.75%
Year that the Rate Reaches the Ultimate Trend Rate	2019	2019

The assumed health care cost trend rate for the next year used to measure the expected cost of benefits covered by the plan (gross eligible charges). This is based upon the annual rate of change in the cost of health care benefits currently provided by the postretirement benefit plan, due to factors other than changes in the composition of the plan population by age and dependency status.

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