RELATED PARTIES (Summary Of Other Ownership Interests) (Details)
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Dec. 31, 2012
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---|---|
Empire [Member]
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Ìý |
Related Party Transaction [Line Items] | Ìý |
Ownership Interest | 79.00% |
Tilden [Member]
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Ìý |
Related Party Transaction [Line Items] | Ìý |
Ownership Interest | 85.00% |
Bloom Lake [Member]
|
Ìý |
Related Party Transaction [Line Items] | Ìý |
Ownership Interest | 75.00% |
Arcelor Mittal [Member] | Empire [Member]
|
Ìý |
Related Party Transaction [Line Items] | Ìý |
Ownership Interest | 21.00% |
Arcelor Mittal [Member] | Tilden [Member]
|
Ìý |
Related Party Transaction [Line Items] | Ìý |
Ownership Interest | 0.00% |
Arcelor Mittal [Member] | Hibbing [Member]
|
Ìý |
Related Party Transaction [Line Items] | Ìý |
Ownership Interest | 62.30% |
Arcelor Mittal [Member] | Bloom Lake [Member]
|
Ìý |
Related Party Transaction [Line Items] | Ìý |
Ownership Interest | 0.00% |
U. S. Steel Canada [Member] | Empire [Member]
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Ìý |
Related Party Transaction [Line Items] | Ìý |
Ownership Interest | 0.00% |
U. S. Steel Canada [Member] | Tilden [Member]
|
Ìý |
Related Party Transaction [Line Items] | Ìý |
Ownership Interest | 15.00% |
U. S. Steel Canada [Member] | Hibbing [Member]
|
Ìý |
Related Party Transaction [Line Items] | Ìý |
Ownership Interest | 14.70% |
U. S. Steel Canada [Member] | Bloom Lake [Member]
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Ìý |
Related Party Transaction [Line Items] | Ìý |
Ownership Interest | 0.00% |
WISCO [Member] | Empire [Member]
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Ìý |
Related Party Transaction [Line Items] | Ìý |
Ownership Interest | 0.00% |
WISCO [Member] | Tilden [Member]
|
Ìý |
Related Party Transaction [Line Items] | Ìý |
Ownership Interest | 0.00% |
WISCO [Member] | Hibbing [Member]
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Ìý |
Related Party Transaction [Line Items] | Ìý |
Ownership Interest | 0.00% |
WISCO [Member] | Bloom Lake [Member]
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Ìý |
Related Party Transaction [Line Items] | Ìý |
Ownership Interest | 25.00% |
Equity Method Investments [Member] | Hibbing [Member] | Hibbing [Member]
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Ìý |
Related Party Transaction [Line Items] | Ìý |
Ownership interest, equity method investment | 23.00% |
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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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- 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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- Details
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