根据第13和15(d)条提交的年度报告

所得税(未确认的税收优惠滚动表)(详情)

v2.4.1.9
所得税(未确认税收优惠滚动表)(详细信息)(美元)
除非另有说明,单位为百万
12个月结束
2014年12月31日
2013年12月31日
2012年12月31日
2010年12月31日
所得税或有税〔分项〕        
未确认的税收优惠 74.7美元us-gaap_UnrecognizedTaxBenefits 74.4美元us-gaap_UnrecognizedTaxBenefits 55.5美元us-gaap_UnrecognizedTaxBenefits 102.1美元us-gaap_UnrecognizedTaxBenefits
未确认的税收利益,由于前期税收头寸的增加 3.4us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions 13.6us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions 2.7us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions  
未确认的税收利益,由于当期税收头寸而增加 2.5us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions 5.3us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions 11.1us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions  
未确认的税收优惠因货币折算而增加减少 (0.2)clf_UnrecognizedTaxBenefitsIncreasesDecreasesResultingFromCurrencyTranslation 0clf_UnrecognizedTaxBenefitsIncreasesDecreasesResultingFromCurrencyTranslation 0clf_UnrecognizedTaxBenefitsIncreasesDecreasesResultingFromCurrencyTranslation  
未确认的税收优惠,因与税务机关结算而减少 (0.5)us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities 0us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities (60.4)us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities  
未确认的税收利益,因适用的诉讼时效失效而减少 (3.7)us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations 0us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations 0us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations  
其他增加减为未确认的税收优惠 (1.2美元)clf_OtherIncreasesDecreasesToUnrecognizedTaxBenefits 0美元clf_OtherIncreasesDecreasesToUnrecognizedTaxBenefits 0美元clf_OtherIncreasesDecreasesToUnrecognizedTaxBenefits