GOODWILL AND INTANGIBLE ASSETS (Identifiable Intangible Assets) (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Gross carrying amount, finite and indefinite-lived intangible assets	$ 936	$ 920
Accumulated amortization	296	272
Customer Relationships and Lists [Member]
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Gross carrying amount, finite-lived intangible assets	640	602
Accumulated amortization	161	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	50	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	37	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	5	7
Accumulated amortization	2	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	47	75
Accumulated amortization	$ 16	$ 32