v2.4.0.8

Supplemental Cash Flow Information (Details) (USD $) | 6 Months Ended
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Jun. 30, 2013 | Jun. 30, 2012
Supplemental Cash Flow Information [Abstract] |  |
Interest (1) | $ 121,800,000 | $ 97,445,000
Income Taxes, Net of Refunds Received | 173,411,000 | 162,125,000
Interest Costs Capitalized | 22,000,000 | 24,000,000
Accrued Capital Expenditures | $ 724,000,000 | $ 857,000,000

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