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Related Parties (Mine Ownership Of North American Iron Ore Mines) (Details)
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Dec. 31, 2011
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|---|---|
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Empire [Member]
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| Related Party Transaction [Line Items] | |
| Ownership Interest | 79.00% |
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Tilden [Member]
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| Related Party Transaction [Line Items] | |
| Ownership Interest | 85.00% |
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Bloom Lake [Member]
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| Related Party Transaction [Line Items] | |
| Ownership Interest | 75.00% |
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Cliffs Natural Resources [Member] | Empire [Member]
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| Related Party Transaction [Line Items] | |
| Ownership Interest | 79.00% |
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Cliffs Natural Resources [Member] | Tilden [Member]
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| Related Party Transaction [Line Items] | |
| Ownership Interest | 85.00% |
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Cliffs Natural Resources [Member] | Hibbing [Member]
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| Related Party Transaction [Line Items] | |
| Ownership Interest | 23.00% |
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Cliffs Natural Resources [Member] | Bloom Lake [Member]
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| Related Party Transaction [Line Items] | |
| Ownership Interest | 75.00% |
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Arcelor Mittal [Member] | Empire [Member]
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| Related Party Transaction [Line Items] | |
| Ownership Interest | 21.00% |
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Arcelor Mittal [Member] | Hibbing [Member]
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| Related Party Transaction [Line Items] | |
| Ownership Interest | 62.30% |
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U. S. Steel Canada [Member] | Tilden [Member]
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| Related Party Transaction [Line Items] | |
| Ownership Interest | 15.00% |
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U. S. Steel Canada [Member] | Hibbing [Member]
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| Related Party Transaction [Line Items] | |
| Ownership Interest | 14.70% |
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WISCO [Member] | Bloom Lake [Member]
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| Related Party Transaction [Line Items] | |
| Ownership Interest | 25.00% |
| X | ||||||||||
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- Definition
The percentage of ownership of common stock or equity participation in the investee. No definition available.
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| X | ||||||||||
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- Details
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