根据第13或15(d)条提交的季度报告

累计其他综合收益(亏损)部分股东权益明细(明细)

v2.4.1.9
累计其他综合收益(亏损)构成部分股东权益明细(明细)(美元)
除非另有说明,单位为百万
3个月结束
2015年3月31日
2014年3月31日
衍生工具其他累积综合收益的重分类调整[细目]    
衍生工具,(收益)损失从累积的OCI重新分类为收益,有效部分,净额 (6.3美元)us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet (12.8美元)us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
从累计其他综合收益中重新分类,当期,税后 195.5us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax 16.1us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
累积设定受益计划调整〔成员〕    
衍生工具其他累积综合收益的重分类调整[细目]    
设定受益计划,前期服务成本摊销(贷记) (0.3)us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember
[1] (0.3)us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember
[1]
固定收益计划,收益(损失)摊销 8.5us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember
[1] 4.8us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember
[1]
固定收益计划,削减 0.3us-gaap_DefinedBenefitPlanCurtailments
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember
[1] 0.3us-gaap_DefinedBenefitPlanCurtailments
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember
[1]
其他综合收益(损失),重新分类,养老金和其他退休后福利计划,净收益(损失)确认为净定期收益成本,税前 8.5us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember
4.8us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember
其他综合收益(损失),养老金和其他退休后福利计划,期间产生的未摊销净收益(损失),税收 0us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember
(1.6)us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember
从累计其他综合收益(损失)中重新分类的金额 8.5us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember
3.2us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember
有价证券的已实现利得(亏损)[成员]    
衍生工具其他累积综合收益的重分类调整[细目]    
有价证券,已实现收益(损失) 0us-gaap_MarketableSecuritiesRealizedGainLoss
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= clf_RealizedGainLossonMarketableSecuritiesMember
0.1us-gaap_MarketableSecuritiesRealizedGainLoss
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= clf_RealizedGainLossonMarketableSecuritiesMember
累积非暂时性减值[成员]    
衍生工具其他累积综合收益的重分类调整[细目]    
除临时减值损失外,投资,其他综合损失部分,税前,包括归属于非控制性权益的部分,可供出售证券 (2.0)us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= us-gaap_AccumulatedOtherThanTemporaryImpairmentMember
0us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= us-gaap_AccumulatedOtherThanTemporaryImpairmentMember
有价证券的已实现利得(亏损)及临时减值除外[成员]    
衍生工具其他累积综合收益的重分类调整[细目]    
税前其他综合收益(损失)、证券未实现持有利得(损失)和期间发生的证券减值 (2.0)clf_OtherComprehensiveIncomeLossRealizedHoldingGainLossonSecuritiesandImpairmentonSecuritiesArisingDuringPeriodbeforetax
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= clf_RealizedGainLossonMarketableSecuritiesandOtherthanTemporaryImpairmentMember
0.1clf_OtherComprehensiveIncomeLossRealizedHoldingGainLossonSecuritiesandImpairmentonSecuritiesArisingDuringPeriodbeforetax
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= clf_RealizedGainLossonMarketableSecuritiesandOtherthanTemporaryImpairmentMember
其他综合收益(损失)、证券已实现持有利得(损失)和期间发生的证券减值、税费 0clf_OtherComprehensiveIncomeLossRealizedHoldingGainLossonSecuritiesandImpairmentonSecuritiesArisingDuringPeriodTax
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= clf_RealizedGainLossonMarketableSecuritiesandOtherthanTemporaryImpairmentMember
0clf_OtherComprehensiveIncomeLossRealizedHoldingGainLossonSecuritiesandImpairmentonSecuritiesArisingDuringPeriodTax
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= clf_RealizedGainLossonMarketableSecuritiesandOtherthanTemporaryImpairmentMember
其他综合收益(损失)、已实现的证券持有利得(损失)和期间发生的证券减值,扣除税费 (2.0)clf_OtherComprehensiveIncomeLossRealizedHoldingGainLossonSecuritiesandImpairmentonSecuritiesArisingDuringPeriodnetoftax
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= clf_RealizedGainLossonMarketableSecuritiesandOtherthanTemporaryImpairmentMember
0.1clf_OtherComprehensiveIncomeLossRealizedHoldingGainLossonSecuritiesandImpairmentonSecuritiesArisingDuringPeriodnetoftax
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= clf_RealizedGainLossonMarketableSecuritiesandOtherthanTemporaryImpairmentMember
外币折算调整〔成员〕    
衍生工具其他累积综合收益的重分类调整[细目]    
其他综合损益、外币交易及折算调整,税前 182.7us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= clf_ForeignCurrencyTranslationAdjustmentMember
[2] 0us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= clf_ForeignCurrencyTranslationAdjustmentMember
[2]
其他综合收益(损失)、外币折算调整、税收 0us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= clf_ForeignCurrencyTranslationAdjustmentMember
0us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= clf_ForeignCurrencyTranslationAdjustmentMember
期间产生的其他综合收益(损失)、外币交易和折算收益(损失),税后净额 182.7us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= clf_ForeignCurrencyTranslationAdjustmentMember
0us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= clf_ForeignCurrencyTranslationAdjustmentMember
衍生工具已实现利得亏损[成员]    
衍生工具其他累积综合收益的重分类调整[细目]    
(利得)衍生工具亏损,净,税前 9.0us-gaap_GainLossOnDerivativeInstrumentsNetPretax
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= clf_RealizedGainLossOnDerivativesMember
18.5us-gaap_GainLossOnDerivativeInstrumentsNetPretax
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= clf_RealizedGainLossOnDerivativesMember
衍生工具利得/亏损税从累积OCI重分类为收益 (2.7)clf_Taxonderivativeinstrumentsgainlossreclassifiedfromaccumulatedociintoearnings
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= clf_RealizedGainLossOnDerivativesMember
(5.7)clf_Taxonderivativeinstrumentsgainlossreclassifiedfromaccumulatedociintoearnings
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= clf_RealizedGainLossOnDerivativesMember
在衍生工具收益中确认的(利得)/损失金额 6.3us-gaap_DerivativeGainLossOnDerivativeNet
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= clf_RealizedGainLossOnDerivativesMember
12.8us-gaap_DerivativeGainLossOnDerivativeNet
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= clf_RealizedGainLossOnDerivativesMember
澳大利亚对冲合约[成员]|衍生品已实现利得亏损[成员]    
衍生工具其他累积综合收益的重分类调整[细目]    
衍生工具,(收益)损失从累积的OCI重新分类为收益,有效部分,净额 9.0us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
/ us-gaap_DerivativeInstrumentRiskAxis
= clf_AustralianHedgeContractsMember
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= clf_RealizedGainLossOnDerivativesMember
13.0us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
/ us-gaap_DerivativeInstrumentRiskAxis
= clf_AustralianHedgeContractsMember
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= clf_RealizedGainLossOnDerivativesMember
加拿大对冲合约[成员]|衍生品已实现损益[成员]    
衍生工具其他累积综合收益的重分类调整[细目]    
衍生工具,(收益)损失从累积的OCI重新分类为收益,有效部分,净额 0美元us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
/ us-gaap_DerivativeInstrumentRiskAxis
= clf_CanadianHedgeContractsMember
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= clf_RealizedGainLossOnDerivativesMember
5.5美元us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
/ us-gaap_DerivativeInstrumentRiskAxis
= clf_CanadianHedgeContractsMember
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= clf_RealizedGainLossOnDerivativesMember
[1] 这些累积的其他综合收益部分包括在净定期福利成本的计算中。更多信息见注7 -养老金和其他退休后福利。
[2] 表示2015年1月27日取消合并的加拿大累计货币换算调整。