COMMITMENTS AND CONTINGENCIES COMMITMENTS AND CONTINGENCIES (Environmental Remediation Obligations) (Details) (USD $)				9 Months Ended
	Sep. 30, 2014	Sep. 30, 2014 Cass Lake, Minnesota [Member]	Jun. 30, 2011 Cass Lake, Minnesota [Member]	Sep. 30, 2014 Kalamazoo River Superfund Site [Member]	Sep. 30, 2014 Harris County San Jacinto River Superfund Site [Member]	Sep. 30, 2014 Minimum [Member] Harris County San Jacinto River Superfund Site [Member]	Sep. 30, 2014 Maximum [Member] Harris County San Jacinto River Superfund Site [Member]
Site Contingency [Line Items]
Accrual for environmental loss contingencies	$ 95,000,000	$ 50,000,000	$ 46,000,000
Environmental remediation on closed or formerly-owned facilities, recorded as liabilities in balance sheet	40,000,000
Loss contingency, damages sought, value				79,000,000
Loss contingency, damages sought, value per day						$ 50	$ 25,000
Number of plaintiffs seeking damages					400