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Annual report pursuant to Section 13 and 15(d)

COMMITMENTS AND CONTINGENCIES (Details)

v2.4.0.6
COMMITMENTS AND CONTINGENCIES (Details) (USD $)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2012
Bloom Lake [Member]
Related Party Transaction [Line Items] Ìý Ìý Ìý
Commitments, Fair Value Disclosure $ 14,600,000,000 $ 11,000,000,000 Ìý
Future commitments, year one 1,600,000,000 Ìý Ìý
Future commitments, year two 700,000,000 Ìý Ìý
Future commitments, year three 900,000,000 Ìý Ìý
Future commitments, year four 800,000,000 Ìý Ìý
Future commitments, year five 800,000,000 Ìý Ìý
Future commitments, thereafter 9,700,000,000 Ìý Ìý
Capital investment required Ìý Ìý 1,300,000,000
Capital investment committed Ìý Ìý 1,100,000,000
Capital expenditures related to commitment Ìý Ìý 734,000,000
Capital investment, future payments Ìý Ìý 393,000,000
Environmental liabilities $ 15,700,000 $ 15,500,000 Ìý