Statements of Consolidated Changes in Equity (USD $) In Millions, except Share data, unless otherwise specified
|
Total
USD ($)
|
Depositary Shares [Member]
USD ($)
|
Common Stock [Member]
USD ($)
|
Capital in Excess of Par Value of Shares [Member]
USD ($)
|
Retained Earnings [Member]
USD ($)
|
Common Shares in Treasury [Member]
USD ($)
|
Accumulated Other Comprehensive Income (Loss) [Member]
USD ($)
|
Noncontrolling Interest [Member]
USD ($)
|
Depositary Shares [Member]
USD ($)
|
Depositary Shares [Member]
Capital in Excess of Par Value of Shares [Member]
USD ($)
|
Common Stock [Member]
|
Common Stock [Member]
Capital in Excess of Par Value of Shares [Member]
USD ($)
|
Balance, beginning of period at Dec. 31, 2011 |
$ 7,039.7us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
|
$ 18.5us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
$ 1,770.8us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember
|
$ 4,424.3us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
|
$ (336.0)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember
|
$ (92.6)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember
|
$ 1,254.7us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
|
|
|
|
|
Balance, beginning of period (in shares) at Dec. 31, 2011 |
|
|
142,000,000us-gaap_CommonStockSharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
|
|
|
|
|
|
|
|
|
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract] |
|
|
|
|
|
|
|
|
|
|
|
|
NET INCOME (LOSS) |
(1,126.6)us-gaap_ProfitLoss
|
|
|
|
(899.4)us-gaap_ProfitLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
|
|
|
(227.2)us-gaap_ProfitLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
|
|
|
|
|
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent |
862.4us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
|
|
|
|
|
|
37.0us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember
|
|
|
|
|
|
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest |
|
|
|
|
|
|
|
7.6us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
|
|
|
|
|
Other Comprehensive Income (Loss), Net of Tax |
44.6us-gaap_OtherComprehensiveIncomeLossNetOfTax
|
|
|
|
|
|
|
|
|
|
|
|
Pension and OPEB liability, net of tax |
33.8us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
|
|
|
|
|
|
|
|
|
|
|
|
Unrealized net loss on marketable securities, net of tax |
(0.5)us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
|
|
|
|
|
|
|
|
|
|
|
|
Total comprehensive income (loss) |
(1,082.0)us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
|
|
|
|
|
|
|
(219.6)us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
|
|
|
|
|
Purchase of subsidiary shares from noncontrolling interest |
(2.1)us-gaap_MinorityInterestDecreaseFromRedemptions
|
|
|
|
|
|
|
(2.1)us-gaap_MinorityInterestDecreaseFromRedemptions / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
|
|
|
|
|
Undistributed losses to noncontrolling interest to subsidiary |
0.4clf_UndistributedEarningsLossesRelatedToNoncontrollingInterests
|
|
|
|
|
|
|
0.4clf_UndistributedEarningsLossesRelatedToNoncontrollingInterests / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
|
|
|
|
|
Capital contribution by noncontrolling interest to subsidiary |
104.4us-gaap_ProceedsFromMinorityShareholders
|
|
|
1.6us-gaap_ProceedsFromMinorityShareholders / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember
|
|
|
|
102.8us-gaap_ProceedsFromMinorityShareholders / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
|
|
|
|
|
Stock Issued During Period, Value, Acquisitions |
(8.0)us-gaap_StockIssuedDuringPeriodValueAcquisitions
|
|
|
|
|
|
|
(8.0)us-gaap_StockIssuedDuringPeriodValueAcquisitions / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
|
|
|
|
|
Stock and other incentive plans (in shares) |
|
|
500,000us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
|
|
|
|
|
|
|
|
|
Stock and other incentive plans |
15.7us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation
|
|
|
2.3us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember
|
|
13.4us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember
|
|
|
|
|
|
|
Common stock dividends ($0.60 per share) |
(307.2)us-gaap_DividendsCommonStock
|
|
|
|
(307.2)us-gaap_DividendsCommonStock / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
|
|
|
|
|
|
|
|
Preferred stock dividends ($1.66 per depositary share) |
0us-gaap_DividendsPreferredStock
|
|
|
|
|
|
|
|
|
|
|
|
Balance, end of period at Dec. 31, 2012 |
5,760.9us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
|
18.5us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
1,774.7us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember
|
3,217.7us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
|
(322.6)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember
|
(55.6)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember
|
1,128.2us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
|
|
|
|
|
Balance, end of period (in shares) at Dec. 31, 2012 |
|
|
142,500,000us-gaap_CommonStockSharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
|
|
|
|
|
|
|
|
|
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract] |
|
|
|
|
|
|
|
|
|
|
|
|
NET INCOME (LOSS) |
361.8us-gaap_ProfitLoss
|
|
|
|
413.5us-gaap_ProfitLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
|
|
|
(51.7)us-gaap_ProfitLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
|
|
|
|
|
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent |
(356.2)us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
|
|
|
|
|
|
(57.3)us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember
|
|
|
|
|
|
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest |
|
|
|
|
|
|
|
30.5us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
|
|
|
|
|
Other Comprehensive Income (Loss), Net of Tax |
(26.8)us-gaap_OtherComprehensiveIncomeLossNetOfTax
|
|
|
|
|
|
|
|
|
|
|
|
Pension and OPEB liability, net of tax |
208.3us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
|
|
|
|
|
|
|
|
|
|
|
|
Unrealized net loss on marketable securities, net of tax |
3.1us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
|
|
|
|
|
|
|
|
|
|
|
|
Total comprehensive income (loss) |
335.0us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
|
|
|
|
|
|
|
(21.2)us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
|
|
|
|
|
Equity offering (in shares) |
|
29,300,000us-gaap_StockIssuedDuringPeriodSharesNewIssues / us-gaap_StatementEquityComponentsAxis = clf_DepositarySharesMember
|
10,400,000us-gaap_StockIssuedDuringPeriodSharesNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
|
|
|
|
|
|
|
|
|
Equity offering |
285.3us-gaap_StockIssuedDuringPeriodValueNewIssues
|
731.3us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = clf_DepositarySharesMember
|
1.3us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
|
|
|
|
|
709.4us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementClassOfStockAxis = clf_DepositarySharesMember
|
(21.9)us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementClassOfStockAxis = clf_DepositarySharesMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember
|
|
284.0us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember
|
Purchase of subsidiary shares from noncontrolling interest |
|
|
|
295.4us-gaap_MinorityInterestDecreaseFromRedemptions / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember
|
(82.7)us-gaap_MinorityInterestDecreaseFromRedemptions / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
|
|
|
|
|
|
|
|
Undistributed losses to noncontrolling interest to subsidiary |
17.0clf_UndistributedEarningsLossesRelatedToNoncontrollingInterests
|
|
|
|
|
|
|
17.0clf_UndistributedEarningsLossesRelatedToNoncontrollingInterests / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
|
|
|
|
|
Capital contribution by noncontrolling interest to subsidiary |
5.2us-gaap_ProceedsFromMinorityShareholders
|
|
|
0.2us-gaap_ProceedsFromMinorityShareholders / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember
|
(0.6)us-gaap_ProceedsFromMinorityShareholders / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
|
|
|
5.6us-gaap_ProceedsFromMinorityShareholders / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
|
|
|
|
|
Stock Issued During Period, Value, Acquisitions |
(102.1)us-gaap_StockIssuedDuringPeriodValueAcquisitions
|
|
|
|
|
|
|
(314.8)us-gaap_StockIssuedDuringPeriodValueAcquisitions / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
|
|
|
|
|
Stock and other incentive plans (in shares) |
|
|
300,000us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
|
|
|
|
|
|
|
|
|
Stock and other incentive plans |
14.2us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation
|
|
|
(2.9)us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember
|
|
17.1us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember
|
|
|
|
|
|
|
Common stock dividends ($0.60 per share) |
(91.9)us-gaap_DividendsCommonStock
|
|
|
|
(91.9)us-gaap_DividendsCommonStock / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
|
|
|
|
|
|
|
|
Preferred stock dividends ($1.66 per depositary share) |
(48.7)us-gaap_DividendsPreferredStock
|
|
|
|
(48.7)us-gaap_DividendsPreferredStock / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
|
|
|
|
|
|
|
|
Preferred Stock, Shares Outstanding |
|
29,300,000us-gaap_PreferredStockSharesOutstanding / us-gaap_StatementEquityComponentsAxis = clf_DepositarySharesMember
|
|
|
|
|
|
|
|
|
|
|
Balance, end of period at Dec. 31, 2013 |
6,884.3us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
731.3us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = clf_DepositarySharesMember
|
19.8us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
2,329.5us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember
|
3,407.3us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
|
(305.5)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember
|
(112.9)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember
|
814.8us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
|
|
|
|
|
Balance, end of period (in shares) at Dec. 31, 2013 |
153,126,291us-gaap_CommonStockSharesOutstanding
|
|
153,200,000us-gaap_CommonStockSharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
|
|
|
|
|
|
|
|
|
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract] |
|
|
|
|
|
|
|
|
|
|
|
|
NET INCOME (LOSS) |
(8,311.6)us-gaap_ProfitLoss
|
|
|
|
(7,224.2)us-gaap_ProfitLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
|
|
|
(1,087.4)us-gaap_ProfitLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
|
|
|
|
|
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent |
7,357.1us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
|
|
|
|
|
|
(132.9)us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember
|
|
|
|
|
|
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest |
|
|
|
|
|
|
|
(4.8)us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
|
|
|
|
|
Other Comprehensive Income (Loss), Net of Tax |
(137.7)us-gaap_OtherComprehensiveIncomeLossNetOfTax
|
|
|
|
|
|
|
|
|
|
|
|
Pension and OPEB liability, net of tax |
(91.0)us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
|
|
|
|
|
|
|
|
|
|
|
|
Unrealized net loss on marketable securities, net of tax |
(7.2)us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
|
|
|
|
|
|
|
|
|
|
|
|
Total comprehensive income (loss) |
(8,449.3)us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
|
|
|
|
|
|
|
(1,092.2)us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
|
|
|
|
|
Undistributed losses to noncontrolling interest to subsidiary |
(25.5)clf_UndistributedEarningsLossesRelatedToNoncontrollingInterests
|
|
|
|
|
|
|
(25.5)clf_UndistributedEarningsLossesRelatedToNoncontrollingInterests / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
|
|
|
|
|
Capital contribution by noncontrolling interest to subsidiary |
(0.1)us-gaap_ProceedsFromMinorityShareholders
|
|
|
|
|
|
|
(0.1)us-gaap_ProceedsFromMinorityShareholders / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
|
|
|
|
|
Stock and other incentive plans |
0.1us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation
|
|
|
(19.7)us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember
|
|
19.8us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember
|
|
|
|
|
|
|
Common stock dividends ($0.60 per share) |
(92.5)us-gaap_DividendsCommonStock
|
|
|
|
(92.5)us-gaap_DividendsCommonStock / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
|
|
|
|
|
|
|
|
Preferred stock dividends ($1.66 per depositary share) |
(51.2)us-gaap_DividendsPreferredStock
|
|
|
|
|
|
|
|
|
|
|
|
Preferred Stock Dividends |
(51.3)clf_PreferredStockDividends
|
|
|
|
(51.3)clf_PreferredStockDividends / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
|
|
|
|
|
|
|
|
Preferred Stock, Shares Outstanding |
|
29,300,000us-gaap_PreferredStockSharesOutstanding / us-gaap_StatementEquityComponentsAxis = clf_DepositarySharesMember
|
|
|
|
|
|
|
|
|
|
|
Balance, end of period at Dec. 31, 2014 |
(1,734.3)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
731.3us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = clf_DepositarySharesMember
|
19.8us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
2,309.8us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember
|
(3,960.7)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
|
(285.7)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember
|
(245.8)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember
|
(303.0)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
|
|
|
|
|
Balance, end of period (in shares) at Dec. 31, 2014 |
153,246,754us-gaap_CommonStockSharesOutstanding
|
|
153,200,000us-gaap_CommonStockSharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
|
|
|
|
|
|
|
|
|
Balance, beginning of period at Sep. 30, 2014 |
|
|
|
|
|
|
|
|
|
|
|
|
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract] |
|
|
|
|
|
|
|
|
|
|
|
|
Preferred stock dividends ($1.66 per depositary share) |
(12.8)us-gaap_DividendsPreferredStock
|
|
|
|
|
|
|
|
|
|
|
|
Preferred Stock, Shares Outstanding |
|
29,300,000us-gaap_PreferredStockSharesOutstanding / us-gaap_StatementEquityComponentsAxis = clf_DepositarySharesMember
|
|
|
|
|
|
|
|
|
|
|
Balance, end of period at Dec. 31, 2014 |
$ (1,734.3)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
$ 731.3us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = clf_DepositarySharesMember
|
$ 19.8us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
|
|
|
|
|
|
|
|
|
Balance, end of period (in shares) at Dec. 31, 2014 |
153,246,754us-gaap_CommonStockSharesOutstanding
|
|
153,200,000us-gaap_CommonStockSharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
|
|
|
|
|
|
|
|
|