Annual report pursuant to Section 13 and 15(d)

INCOME TAXES INCOME TAXES (Schedule of Effective Rate Reconciliation) (Details)

v2.4.0.8
INCOME TAXES INCOME TAXES (Schedule of Effective Rate Reconciliation) (Details)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2013
USD ($)
Dec. 31, 2013
Dec. 31, 2012
USD ($)
Dec. 31, 2012
Dec. 31, 2011
USD ($)
Dec. 31, 2011
Income Tax Contingency [Line Items]            
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount $ 171.3   $ (175.6)   $ 766.7  
Effective Income Tax Rate Reconciliation, Percent 35.00% 35.00% 35.00% 35.00% 35.00% 35.00%
Foreign Currency Transaction Gain, before Tax (2.6)   62.3   (62.6)  
Foreign Currency Transaction Gain Before Tax Percent (0.50%) (0.50%) (12.40%) (12.40%) (2.90%) (2.90%)
Non-taxable loss (income) related to noncontrolling interests (1.5)   61.0   (63.6)  
Non-taxable loss (income) related to noncontrolling interests percent (0.30%) (0.30%) (12.00%) (12.00%) (2.90%) (2.90%)
Impact Of Tax Law Change 0   (357.1)   0  
Impact Of Tax Law Change Percent 0.00% 0.00% 71.20% 71.20% 0.00% 0.00%
Income Tax Reconciliation Tax Deduction for percentage depletion in excess of cost depletion (97.6)   (109.1)   (153.4)  
Income Tax Reconciliation Tax Deduction for percentage depletion in excess of cost depletion percent (19.90%) (19.90%) 21.70% 21.70% (7.00%) (7.00%)
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount (10.2)   65.2   (44.0)  
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent (2.10%) (2.10%) (13.00%) (13.00%) (2.00%) (2.00%)
Income not subject to tax (106.6)   (108.0)   (67.5)  
Income not subject to tax percent (21.80%) (21.80%) 21.50% 21.50% (3.10%) (3.10%)
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Amount 20.5   202.2   0  
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Percent 4.20% 4.20% (40.30%) (40.30%) 0.00% 0.00%
Non-taxable hedging income 0   0   (32.4)  
Non-taxable Hedging Income Percent 0.00% 0.00% 0.00% 0.00% (1.50%) (1.50%)
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount 5.6   7.3   7.5  
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent 1.10% 1.10% (1.50%) (1.50%) 0.30% 0.30%
Income Tax Reconciliation Manufacturers Deduction (7.9)   (4.7)   (11.9)  
Income Tax Reconciliation, Manufacturers Deduction Percent (1.60%) (1.60%) 0.90% 0.90% (0.50%) (0.50%)
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount 73.0   634.5   49.5  
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent 14.90% 14.90% (126.50%) (126.50%) 2.30% 2.30%
Tax Adjustments, Settlements, and Unusual Provisions 19.6   (14.8)   17.7  
Tax Adjustments Settlements And Unusual Provisions Percent 5.30% 5.30% 2.90% 2.90% 0.80% 0.80%
Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Percent (3.60%) (1140000000.00%) 1.10% (570000000.00%) (0.80%) (1800000000.00%)
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount 2.9   (1.6)   19.7  
Effective Income Tax Rate Reconciliation, Other Adjustments, Percent 0.60% 0.60% 0.40% 0.40% 0.90% 0.90%
Income Tax Expense (Benefit) $ 55.1   $ 255.9   $ 407.7  
Income Tax Expense Benefit Percent 11.30% 11.30% (51.00%) (51.00%) 18.60% 18.60%