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BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Tables)
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Dec. 31, 2014
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| Estimated Useful Lives Of Intangible Assets Subject To Periodic Amortization On Straight Line Basis Table [Text Block] |
Other intangible assets are subject to periodic amortization on a straight-line basis over their estimated useful lives as follows:
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| Schedule Of Subsidiaries |
The consolidated financial statements include our accounts and the accounts of our wholly owned and majority-owned subsidiaries, including the following operations at December 31, 2014:
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| Depreciation Disclosure [Table Text Block] |
Depreciation is provided over the following estimated useful lives:
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| Schedule of Equity Method Investments |
The following table presents the detail of our investments in unconsolidated ventures and where those investments are classified in the Statements of Consolidated Financial Position as of DecemberÌý31, 2014 and DecemberÌý31, 2013. Parentheses indicate a net liability.
1 At December 31, 2013, the classification for Hibbing was Other liabilities.
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| Reimbursements Revenue Disclosure [Table Text Block] |
The following table is a summary of reimbursements in our U.S. Iron Ore operations for the years ended DecemberÌý31, 2014, 2013 and 2012:
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- Definition
Describes the methodology and periods of time over which an entity anticipates to receive utility from its property, plant and equipment (that is, the periods of time over which an entity allocates the initial cost of its property, plant and equipment and the estimated useful life of the asset in a systematic and rational manner.) No definition available.
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- Definition
Estimated Useful Lives of Intangible Assets Subject to Periodic Amortization on a Straight-Line Basis [Table Text Block] No definition available.
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- Definition
Reimbursements Revenue Disclosure No definition available.
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- Definition
Disclosure of subsidiaries or other investments that are consolidated. No definition available.
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- Definition
Tabular disclosure of equity method investments including, but not limited to, name of each investee or group of investments, percentage ownership, difference between recorded amount of an investment and the value of the underlying equity in the net assets, and summarized financial information. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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