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衍生工具和套期保值活动（公允价值财务状况表衍生工具明细表）（详情）（美元）
除非另有说明，单位为百万
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2015年3月31日
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2014年12月31日
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| 衍生工具，公允价值〔分项〕 |
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| 衍生资产，公允价值 |
34.5美元us-gaap_DerivativeFairValueOfDerivativeAsset |
63.2美元us-gaap_DerivativeFairValueOfDerivativeAsset |
| 衍生负债，公允价值 |
26.5us-gaap_DerivativeFairValueOfDerivativeLiability |
41.0us-gaap_DerivativeFairValueOfDerivativeLiability |
| 指定为套期保值工具〔成员〕 |
|
|
| 衍生工具，公允价值〔分项〕 |
|
|
| 衍生资产，公允价值 |
0us-gaap_DerivativeFairValueOfDerivativeAsset
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0us-gaap_DerivativeFairValueOfDerivativeAsset
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| 衍生负债，公允价值 |
0us-gaap_DerivativeFairValueOfDerivativeLiability
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21.6us-gaap_DerivativeFairValueOfDerivativeLiability
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| 非指定为套期工具〔成员〕 |
|
|
| 衍生工具，公允价值〔分项〕 |
|
|
| 衍生资产，公允价值 |
34.5us-gaap_DerivativeFairValueOfDerivativeAsset
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63.2us-gaap_DerivativeFairValueOfDerivativeAsset
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember |
| 衍生负债，公允价值 |
26.5us-gaap_DerivativeFairValueOfDerivativeLiability
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19.4us-gaap_DerivativeFairValueOfDerivativeLiability
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember |
| 公允价值，投入，第二级[成员]|指定对冲工具[成员]|外汇合约[成员]|衍生金融工具，资产[成员] |
|
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| 衍生工具，公允价值〔分项〕 |
|
|
| 衍生资产，公允价值 |
0us-gaap_DerivativeFairValueOfDerivativeAsset
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/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember |
| 公允价值，投入，第二级[成员]|指定对冲工具[成员]|外汇合约[成员]|衍生金融工具，负债[成员] |
|
|
| 衍生工具，公允价值〔分项〕 |
|
|
| 衍生负债，公允价值 |
0us-gaap_DerivativeFairValueOfDerivativeLiability
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/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember |
21.6us-gaap_DerivativeFairValueOfDerivativeLiability
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| 公允价值、投入、第二级【会员】|未指定为套期保值工具【会员】|外汇合约【会员】|衍生金融工具、资产【会员】 |
|
|
| 衍生工具，公允价值〔分项〕 |
|
|
| 衍生资产，公允价值 |
0us-gaap_DerivativeFairValueOfDerivativeAsset
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= us-gaap_NondesignatedMember |
0us-gaap_DerivativeFairValueOfDerivativeAsset
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= us-gaap_ForeignExchangeContractMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
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/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember |
| 公允价值，投入，第二级[成员]|未被指定为套期保值工具[成员]|外汇合约[成员]|衍生金融工具，负债[成员] |
|
|
| 衍生工具，公允价值〔分项〕 |
|
|
| 衍生负债，公允价值 |
8.7us-gaap_DerivativeFairValueOfDerivativeLiability
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= us-gaap_NondesignatedMember |
| 公允价值，投入，第二级[成员]|未被指定为对冲工具[成员]|商品合约[成员]|衍生金融工具，资产[成员] |
|
|
| 衍生工具，公允价值〔分项〕 |
|
|
| 衍生资产，公允价值 |
0us-gaap_DerivativeFairValueOfDerivativeAsset
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0us-gaap_DerivativeFairValueOfDerivativeAsset
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/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember |
| 公允价值，投入，第二级[成员]|未被指定为套期保值工具[成员]|商品合约[成员]|衍生金融工具，负债[成员] |
|
|
| 衍生工具，公允价值〔分项〕 |
|
|
| 衍生资产，公允价值 |
1.6us-gaap_DerivativeFairValueOfDerivativeAsset
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= us-gaap_NondesignatedMember |
| 市场法估值技术【会员】|公允价值、投入、第3级【会员】|非指定套期保值工具【会员】|客户供应协议【会员】|衍生金融工具、资产【会员】 |
|
|
| 衍生工具，公允价值〔分项〕 |
|
|
| 衍生资产，公允价值 |
34.5us-gaap_DerivativeFairValueOfDerivativeAsset
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63.2us-gaap_DerivativeFairValueOfDerivativeAsset
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/ us-gaap_HedgingDesignationAxis
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/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember |
| 市场方法估值技术[成员]|公允价值，投入，第3级[成员]|非指定对冲工具[成员]|客户供应协议[成员]|衍生金融工具，负债[成员] |
|
|
| 衍生工具，公允价值〔分项〕 |
|
|
| 衍生负债，公允价值 |
0us-gaap_DerivativeFairValueOfDerivativeLiability
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| 市场方法估值技术[成员]|公允价值、输入、第3级[成员]|未指定为套期保值工具[成员]|临时定价安排[成员]|衍生金融工具、资产[成员] |
|
|
| 衍生工具，公允价值〔分项〕 |
|
|
| 衍生资产，公允价值 |
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| 市场方法估值技术[成员]|公允价值，输入，第3级[成员]|非指定对冲工具[成员]|临时定价安排[成员]|衍生金融工具，负债[成员] |
|
|
| 衍生工具，公允价值〔分项〕 |
|
|
| 衍生负债，公允价值 |
16.2美元us-gaap_DerivativeFairValueOfDerivativeLiability
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