GOODWILL AND INTANGIBLE ASSETS (Identifiable Intangible Assets) (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Gross carrying amount, finite and indefinite-lived intangible assets	$ 942	$ 920
Accumulated amortization	317	272
Customer Relationships and Lists [Member]
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Gross carrying amount, finite-lived intangible assets	646	602
Accumulated amortization	175	139
Non-Compete Agreements [Member]
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Gross carrying amount, finite-lived intangible assets	78	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	62	67
Accumulated amortization	40	33
Land and Water Rights [Member]
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Gross carrying amount, finite and indefinite-lived intangible assets	80	76
Accumulated amortization	8	5
Fuel and Power Agreements [Member]
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Gross carrying amount, finite-lived intangible assets	6	7
Accumulated amortization	3	2
Software [Member]
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Gross carrying amount, finite-lived intangible assets	24	17
Accumulated amortization	22	15
Other Intangible Assets [Member]
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Gross carrying amount, finite-lived intangible assets	46	75
Accumulated amortization	$ 17	$ 32