BUSINESS SEGMENTS (Revenue by Major Customers and Labor Matters) (Details) (USD $) In Billions, unless otherwise specified	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Major Customer and Labor Matters [Line Items]
Percentage of Employees Covered by Collective Bargaining Agreements	49.00%
Percentage of Employees Covered by Collective Bargaining Agreements that Expire within One Year	1.00%
PT Smelting [Member]
Major Customer and Labor Matters [Line Items]
Revenues to major customers	$ 1.7	$ 2.1	$ 2.3
Percent of revenues to major customers as compared to total consolidated revenues	8.00%	11.00%	11.00%

Amount of revenue generated from a single external customer reported as a percentage of total consolidated revenues (disclsoure only required if revenues account for 10 percent or more of an entity's revenues).

No definition available.

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- Definition

Concentration of labor, expressed as a percentage of total employees, subject to collective bargaining agreements.

+ References

No definition available.

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- Definition

Concentration of labor, expressed as a percentage of total employees, subject to collective bargaining agreements that expire within one year.

+ References

No definition available.

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- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

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