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Fair Value Of Financial Instruments
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12 Months Ended | ||
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Dec. 31, 2011
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| Fair Value Of Financial Instruments [Abstract] | |||
| Fair Value Of Financial Instruments |
随附的合并资产负债表上现金和现金等价物的账面金额, accounts receivable, accounts payable and accrued liabilities, 当前和长期债务按成本计提, which approximates market value.
衍生工具的公允价值按固定价格合约提供的价格与指定日期远期im体育平台官方网站价格之差计算, as adjusted for basis differentials. 石油的远期im体育平台官方网站价格取决于该远期im体育平台官方网站的供需因素，并受到重大波动的影响. |
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- Details
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- Definition
金融工具的全部披露. This disclosure includes, but is not limited to, 短期和长期有价证券的公允价值计量, international currencies forward contracts, and auction rate securities. 金融工具包括套期保值和非套期保值货币兑换工具, derivatives, 以公允价值出售的证券化和证券. Also included are investment results, 已实现和未实现损益以及减值和风险管理披露. No definition available.
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