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Quarterly report pursuant to Section 13 or 15(d)

Segment Reporting (Schedule Of Segment Reporting Information, By Segment) (Details)

v2.3.0.15
Segment Reporting (Schedule Of Segment Reporting Information, By Segment) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2011
Sep. 30, 2010
Percentage of revenues from product sales and services 100.00% 100.00% 100.00% 100.00%
Revenues from product sales and services $ 2,142.8 $ 1,346.0 $ 5,131.8 $ 3,257.9
Sales margin 863.3 477.2 2,194.9 1,042.6
Other operating expense (43.0) (86.8) (214.2) (170.9)
Other income (expense) (54.8) 20.2 (61.8) 39.8
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES AND EQUITY INCOME FROM VENTURES 765.5 410.6 1,918.9 911.5
Depreciation, depletion and amortization 117.7 84.4 302.9 239.5
Capital additions 255.9 [1] 83.5 [1] 553.3 [1] 154.2 [1]
U.S. Iron Ore [Member]
Ìý Ìý Ìý Ìý
Percentage of revenues from product sales and services 52.00% 55.00% 49.00% 53.00%
Revenues from product sales and services 1,106.7 741.4 2,502.0 1,729.8
Sales margin 481.3 264.2 1,283.7 545.5
Depreciation, depletion and amortization 23.0 17.6 62.5 45.1
Capital additions 28.5 [1] 32.7 [1] 115.8 [1] 59.9 [1]
Eastern Canadian Iron Ore [Member]
Ìý Ìý Ìý Ìý
Percentage of revenues from product sales and services 24.00% 9.00% 18.00% 9.00%
Revenues from product sales and services 517.3 124.4 942.2 308.1
Sales margin 193.0 39.6 296.0 76.3
Depreciation, depletion and amortization 41.2 10.6 81.1 36.2
Capital additions 103.3 [1] 4.8 [1] 167.5 [1] 9.4 [1]
North American Coal [Member]
Ìý Ìý Ìý Ìý
Percentage of revenues from product sales and services 3.00% 9.00% 8.00% 10.00%
Revenues from product sales and services 64.0 126.1 388.7 323.4
Sales margin (42.7) (17.8) (60.4) (5.4)
Depreciation, depletion and amortization 19.7 19.6 62.1 42.6
Capital additions 60.3 [1] 28.1 [1] 116.3 [1] 42.0 [1]
Asia Pacific Iron Ore [Member]
Ìý Ìý Ìý Ìý
Percentage of revenues from product sales and services 19.00% 22.00% 22.00% 24.00%
Revenues from product sales and services 400.1 298.2 1,127.1 767.1
Sales margin 214.6 169.7 615.4 382.5
Depreciation, depletion and amortization 25.4 31.0 74.3 97.2
Capital additions 57.3 [1] 10.4 [1] 140.6 [1] 30.6 [1]
Other Segment [Member]
Ìý Ìý Ìý Ìý
Percentage of revenues from product sales and services 2.00% 5.00% 3.00% 4.00%
Revenues from product sales and services 54.7 55.9 171.8 129.5
Sales margin 17.1 21.5 60.2 43.7
Depreciation, depletion and amortization 8.4 5.6 22.9 18.4
Capital additions $ 6.5 [1] $ 7.5 [1] $ 13.1 [1] $ 12.3 [1]
[1] Includes capital lease additions and non-cash accruals.