Segment Reporting (Narrative) (Detail)
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6 Months Ended |
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Jun. 30, 2012
Facility
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Sonoma [Member]
|
Ìý |
Segment Reporting Information [Line Items] | Ìý |
Ownership interest, percent | 45.00% |
U.S. Iron Ore [Member]
|
Ìý |
Segment Reporting Information [Line Items] | Ìý |
Number of mines | 5 |
Eastern Canadian Iron Ore [Member]
|
Ìý |
Segment Reporting Information [Line Items] | Ìý |
Number of mines | 2 |
Asia Pacific Coal [Member] | Sonoma [Member]
|
Ìý |
Segment Reporting Information [Line Items] | Ìý |
Ownership interest, percent | 45.00% |
Latin American Iron Ore [Member] | Amapa [Member]
|
Ìý |
Segment Reporting Information [Line Items] | Ìý |
Percent ownership interest | 30.00% |
Metallurgical Coal Mines [Member] | North American Coal [Member]
|
Ìý |
Segment Reporting Information [Line Items] | Ìý |
Number of mines | 5 |
Thermal Coal Mines [Member] | North American Coal [Member]
|
Ìý |
Segment Reporting Information [Line Items] | Ìý |
Number of mines | 1 |
X | ||||||||||
- Definition
Number of mines No definition available.
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X | ||||||||||
- Definition
The percentage of ownership of common stock or equity participation in the investee. No definition available.
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X | ||||||||||
- Definition
The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Details
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