Quarterly report pursuant to Section 13 or 15(d)

BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Tables)

v2.4.0.8
BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Tables)
9 Months Ended
Sep. 30, 2013
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:
Name
 
Location
 
Ownership Interest
 
Operation
Northshore
 
Minnesota
 
100.0%
 
Iron Ore
United Taconite
 
Minnesota
 
100.0%
 
Iron Ore
Wabush
 
Newfoundland and Labrador/ Quebec, Canada
 
100.0%
 
Iron Ore
Bloom Lake
 
Quebec, Canada
 
75.0%
 
Iron Ore
Tilden
 
Michigan
 
85.0%
 
Iron Ore
Empire
 
Michigan
 
79.0%
 
Iron Ore
Koolyanobbing
 
Western Australia
 
100.0%
 
Iron Ore
Pinnacle
 
West Virginia
 
100.0%
 
Coal
Oak Grove
 
Alabama
 
100.0%
 
Coal
CLCC
 
West Virginia
 
100.0%
 
Coal
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, 2013 and December 31, 2012. Parentheses indicate a net liability.
 
 
 
 
 
 
 
 
(In Millions)
Investment
 
Classification
 
Accounting
Method
 
Interest
Percentage
 
September 30,
2013
 
December 31, 2012
Amapá
 
Investments in ventures
 
Equity Method
 
30
 
$
29.4

 
$
101.9

Cockatoo
 
Other liabilities2
 
Equity Method
 
 
N/A

 
(25.3
)
Hibbing
 
Investments in ventures1
 
Equity Method
 
23
 
8.3

 
(2.1
)
Other
 
Investments in ventures
 
Equity Method
 
Various
 
33.8

 
33.9

 
 
 
 
 
 
 
 
$
71.5

 
$
108.4

                                         
1 At December 31, 2012 the classification for Hibbing was Other liabilities.
2 At December 31, 2012 our ownership interest percentage for Cockatoo was 50 percent.
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 or on a units of production basis as follows:
Intangible Assets
 
Basis
 
Useful Life (years)
Permits - Asia Pacific Iron Ore
 
Units of production
 
Life of mine
Permits - All Other
 
Straight line
 
15 - 40
Utility contracts
 
Straight line
 
5
Leases - North American Coal
 
Units of production
 
Life of mine
Leases - All Other
 
Straight line
 
4.5 - 17.5