GOODWILL AND INTANGIBLE ASSETS (Identifiable Intangible Assets) (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Gross carrying amount, finite and indefinite-lived intangible assets	$ 911	$ 920
Accumulated amortization	329	272
Customer Relationships and Lists [Member]
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Gross carrying amount, finite-lived intangible assets	622	602
Accumulated amortization	185	139
Non-Compete Agreements [Member]
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Gross carrying amount, finite-lived intangible assets	76	76
Accumulated amortization	52	46
Tradenames, Patents and Trademarks [Member]
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Gross carrying amount, finite and indefinite-lived intangible assets	61	67
Accumulated amortization	42	33
Land and Water Rights [Member]
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Gross carrying amount, finite and indefinite-lived intangible assets	82	76
Accumulated amortization	9	5
Fuel and Power Agreements [Member]
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Gross carrying amount, finite-lived intangible assets	5	7
Accumulated amortization	3	2
Software [Member]
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Gross carrying amount, finite-lived intangible assets	23	17
Accumulated amortization	21	15
Other Intangible Assets [Member]
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Gross carrying amount, finite-lived intangible assets	42	75
Accumulated amortization	$ 17	$ 32