Comprehensive Income	6 Months Ended
Jun. 30, 2013
Statement of Other Comprehensive Income [Abstract]
Comprehensive Income	ACCUMULATED OTHER COMPREHENSIVE LOSS: As of June 30, 2013 and December 31, 2012, accumulated other comprehensive loss consists of net actuarial loss and prior service costs related to our OPEB plans.

The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income.

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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