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-- None. No documentation exists for this element. --

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Investment Grade Rating Fair Value Of Fuel Derivative Level In Which Cash Is Received

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Investment Grade Rating Fair Value Of Fuel Derivative Levels In Which Cash Is Provided Threshold 1

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Letter Of Credit Percent Of Collateral

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Letters of Credit Collateral Pledged Aggregate Fair Value

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Maximum sum of derivatives of a counterparty to be included in Other and no risk of the Company posting collateral.

No definition available.

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-- None. No documentation exists for this element. --

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Non-Investment Grade Rating Fair Value Of Fuel Derivative Level In Which Cash Is Received

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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The aggregate fair value of assets that are already posted, at the end of the reporting period, as collateral for derivative instruments with credit-risk-related contingent features.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Fair value, after offset of derivative liability, of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, before offset against an obligation to return collateral under a master netting arrangement. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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