XML 56 R30.htm IDEA: XBRL DOCUMENT
v3.3.0.814

BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Schedule Of Subsidiaries | The unaudited condensed consolidated financial statements include our accounts and the accounts of our wholly-owned and majority-owned subsidiaries, including the following operations as of September 30, 2015:
Name |  | Location |  | Ownership Interest |  | Operation |  | Status of Operations
Northshore |  | Minnesota |  | 100.0% |  | Iron Ore |  | Active
United Taconite |  | Minnesota |  | 100.0% |  | Iron Ore |  | Active
Tilden |  | Michigan |  | 85.0% |  | Iron Ore |  | Active
Empire |  | Michigan |  | 79.0% |  | Iron Ore |  | Active
Koolyanobbing |  | Western Australia |  | 100.0% |  | Iron Ore |  | Active
Pinnacle |  | West Virginia |  | 100.0% |  | Coal |  | Active - Held for Sale
Oak Grove |  | Alabama |  | 100.0% |  | Coal |  | Active - Held for Sale
Wabush 1 |  | Newfoundland and Labrador/ Quebec, Canada |  | 100.0% |  | Iron Ore |  | Permanent closure
Bloom Lake 1 |  | Quebec, Canada |  | 82.8% |  | Iron Ore |  | Care-and-maintenance
1 As of January 27, 2015 and May 20, 2015, we deconsolidated substantially all of our Canadian operations following the CCAA filing. See NOTE 14 - DISCONTINUED OPERATIONS for further information.
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 Unaudited Condensed Consolidated Financial Position as of September 30, 2015 and December 31, 2014.
|  |  |  |  |  |  |  | (In Millions)
Investment |  | Classification |  | Accounting Method |  | Interest Percentage |  | September 30, 2015 |  | December 31, 2014
Hibbing |  | Other non-current assets |  | Equity Method |  | 23% |  | $ | 2.1 |  |  | $ | 3.1 |
Other |  | Other non-current assets |  | Equity Method |  | Various |  | 1.1 |  |  | 1.0 |
|  |  |  |  |  |  |  | $ | 3.2 |  |  | $ | 4.1 |

X
- Definition Disclosure of subsidiaries or other investments that are consolidated. + References No definition available. + Details
Name: | clf_ScheduleOfConsolidationSubsidiariesOrOtherInvestmentsConsolidatedEntitiesTableTextBlock
Namespace Prefix: | clf_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571 + Details
Name: | us-gaap_EquityMethodInvestmentsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration