Commitments And Contingencies (Narrative) (Details) (USD $)
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12 Months Ended | 12 Months Ended | |||||||||||||||||
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Dec. 31, 2011
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Dec. 31, 2010
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Dec. 31, 2009
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Dec. 31, 2012
Koolyanobbing [Member]
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Dec. 31, 2011
Koolyanobbing [Member]
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Dec. 31, 2010
Koolyanobbing [Member]
MT
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Dec. 31, 2012
Koolyanobbing Rail Upgrade [Member]
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Dec. 31, 2011
Koolyanobbing Rail Upgrade [Member]
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Dec. 31, 2012
Bloom Lake [Member]
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Dec. 31, 2011
Bloom Lake [Member]
MT
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Dec. 31, 2011
Lower War Eagle [Member]
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Dec. 31, 2011
Empire [Member]
T
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Dec. 31, 2011
Empire And Tilden [Member]
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Dec. 31, 2010
Empire And Tilden [Member]
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Dec. 31, 2011
Tilden [Member]
T
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Dec. 31, 2012
Oak Grove [Member]
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Dec. 31, 2011
Oak Grove [Member]
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Dec. 31, 2012
Pinnacle [Member]
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Dec. 31, 2011
Pinnacle [Member]
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Related Party Transaction [Line Items] | |||||||||||||||||||
Contractual obligations and binding commitments | $ 11,000,000,000 | $ 5,700,000,000 | |||||||||||||||||
Future commitments, year one | 1,400,000,000 | ||||||||||||||||||
Future commitments, year two | 1,000,000,000 | ||||||||||||||||||
Future commitments, year three | 600,000,000 | ||||||||||||||||||
Future commitments, year four | 900,000,000 | ||||||||||||||||||
Future commitments, year five | 600,000,000 | ||||||||||||||||||
Future commitments, thereafter | 6,500,000,000 | ||||||||||||||||||
Non-cash accruals | 60,100,000 | 8,900,000 | 3,000,000 | ||||||||||||||||
Capital investment | 275,000,000 | 1,300,000,000 | 97,000,000 | ||||||||||||||||
Capital investment committed | 259,000,000 | 33,000,000 | 445,000,000 | 55,000,000 | 178,000,000 | 52,000,000 | |||||||||||||
Increase in production capacity, tons | 8,000,000 | 2,000,000 | |||||||||||||||||
Gross post-project production capacity, tons | 11,000,000 | 16,000,000 | 3,000,000 | ||||||||||||||||
Capital investment paid | 202,000,000 | 25,000,000 | 165,000,000 | 40,000,000 | 46,000,000 | 142,000,000 | |||||||||||||
Capital investment, future payments | 57,000,000 | 8,000,000 | 280,000,000 | 15,000,000 | 264,000,000 | 6,000,000 | 36,000,000 | ||||||||||||
Environmental liabilities | $ 15,500,000 | $ 13,700,000 | |||||||||||||||||
Replacement of rail and associated parts, miles | 62 |
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- Definition
Capital investment, future payments No definition available.
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- Definition
Commitments After Year Five No definition available.
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- Definition
Commitments Year Five No definition available.
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- Definition
Commitments Year Four No definition available.
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- Definition
Commitments Year One No definition available.
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- Definition
Commitments Year Three No definition available.
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- Definition
Commitments Year Two No definition available.
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- Definition
The gross post capital-project production capacity. No definition available.
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- Definition
Effect of capital projects on production capacity. No definition available.
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- Definition
Long Term Purchase Amount No definition available.
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- Definition
Replacement of rail and associated parts, miles No definition available.
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- Definition
Total costs accrued as of the balance sheet date for environmental loss contingencies. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Future cash outflow to pay for purchases of fixed assets that have occurred. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents commitments outstanding as of the balance sheet date which obligate or represent potential claims against the assets of the Company relating to, for example, the extension of credit. Further, commitments generally represent off balance sheet arrangements that obligate the entity to deliver assets or services or enter into another obligation in the future. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The minimum amount the entity agreed to spend under the long-term purchase commitment. No definition available.
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- Definition
The cash outflow for acquisition of or capital improvements of property, plant and equipment, used to produce goods or deliver services, and not otherwise defined in the taxonomy. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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