根据第13和15(d)条提交的年度报告

所得税（递延所得税资产及负债表）（详情）

v2.4.1.9
所得税（递延所得税资产和负债明细表）（详情）（美元）
除非另有说明，单位为百万
2014年12月31日
2013年12月31日
所得税或有税〔分项〕    
递延税项资产，递延税项费用，薪酬和福利，养老金 108.3美元us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions 88.4美元us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions
递延税项资产，MMRT起始基数津贴 0clf_DeferredTaxAssetsMmrtStartingBaseAllowance 300.3clf_DeferredTaxAssetsMmrtStartingBaseAllowance
递延税项资产，递延税项费用，薪酬和福利，退休后福利 63.0us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits 58.0us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits
递延税资产，税收抵免结转，替代性最低税 267.7us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax 299.2us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax
递延税项资产开发成本 6.0clf_DeferredTaxAssetsDevelopmentCosts 0clf_DeferredTaxAssetsDevelopmentCosts
采购产品递延税项资产，递延税项费用，储备和应计项目，资产退休义务 48.9us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations 61.7us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations
递延税项资产、经营亏损结转 1,083.5us-gaap_DeferredTaxAssetsOperatingLossCarryforwards 524.4us-gaap_DeferredTaxAssetsOperatingLossCarryforwards
递延税项资产、存货 32.3us-gaap_DeferredTaxAssetsInventory 16.4us-gaap_DeferredTaxAssetsInventory
递延税项资产、物业、厂房及设备 901.6us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment 56.0us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment
递延所得税资产，州税 41.9us-gaap_DeferredTaxAssetsStateTaxes 0us-gaap_DeferredTaxAssetsStateTaxes
递延所得税资产租赁安排 14.1clf_DeferredTaxAssetsLeasingArrangements 31.9clf_DeferredTaxAssetsLeasingArrangements
递延税项资产，递延税项费用，准备金和应计项目，其他 153.6us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther 138.3us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther
递延税项资产，总额 2,720.9us-gaap_DeferredTaxAssetsGross 1,574.6us-gaap_DeferredTaxAssetsGross
递延税项资产、估值备抵 (2224 5)us-gaap_DeferredTaxAssetsValuationAllowance (864.1)us-gaap_DeferredTaxAssetsValuationAllowance
递延税项资产，扣除估值准备 496.4us-gaap_DeferredTaxAssetsNet 710.5us-gaap_DeferredTaxAssetsNet
递延税项负债、物业、厂房及设备 (20.0)us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment (1400。8)us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment
递延所得税负债风险投资 (198.0)clf_DeferredTaxLiabilitiesInvestmentInVentures (196.4)clf_DeferredTaxLiabilitiesInvestmentInVentures
递延所得税负债，无形资产 (7.3)us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets (33.5)us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets
递延所得税负债所得税不确定性 (49.5)clf_DeferredTaxLiabilitiesIncomeTaxUncertainties (48.5)clf_DeferredTaxLiabilitiesIncomeTaxUncertainties
递延所得税负债，递延所得税 (16.6)us-gaap_DeferredTaxLiabilitiesTaxDeferredIncome (12.8)us-gaap_DeferredTaxLiabilitiesTaxDeferredIncome
递延所得税负债及其他资产 (80.2)clf_DeferredTaxLiabilitiesOtherAssets (93.0)clf_DeferredTaxLiabilitiesOtherAssets
递延所得税负债净额 (371.6)us-gaap_DeferredTaxLiabilities (1785 0)us-gaap_DeferredTaxLiabilities
递延税项资产净额 124.8美元us-gaap_DeferredTaxAssetsLiabilitiesNet 美元(1074 5)us-gaap_DeferredTaxAssetsLiabilitiesNet