Segment Reporting (Narrative) (Details)
|
3 Months Ended |
---|---|
Mar. 31, 2012
|
|
Eastern Canadian Iron Ore [Member]
|
Ìý |
Segment Reporting Information [Line Items] | Ìý |
Number of mines | 2 |
U.S. Iron Ore [Member]
|
Ìý |
Segment Reporting Information [Line Items] | Ìý |
Number of mines | 5 |
Metallurgical Coal Mines [Member]
|
Ìý |
Segment Reporting Information [Line Items] | Ìý |
Number of mines | 5 |
Thermal Coal Mines [Member]
|
Ìý |
Segment Reporting Information [Line Items] | Ìý |
Number of mines | 1 |
Amapa [Member] | Latin American Iron Ore [Member]
|
Ìý |
Segment Reporting Information [Line Items] | Ìý |
Percent ownership interest | 30.00% |
Sonoma [Member] | Asia Pacific Coal [Member]
|
Ìý |
Segment Reporting Information [Line Items] | Ìý |
Ownership interest, percent | 45.00% |
X | ||||||||||
- Definition
Number of mines No definition available.
|
X | ||||||||||
- Definition
The percentage of ownership of common stock or equity participation in the investee. No definition available.
|
X | ||||||||||
- 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
|
X | ||||||||||
- Details
|