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Supplemental Cash Flow Information (Details) (USD $)	9 Months Ended
Supplemental Cash Flow Information (Details) (USD $)	Sep. 30, 2012	Sep. 30, 2011
Supplemental Cash Flow Information [Abstract]
Interest (1)	$ 132,264,000	$ 111,111,000
Income Taxes, Net of Refunds Received	257,046,000	148,937,000
Interest Costs Capitalized	37,000,000	44,000,000
Accrued Capital Expenditures	725,000,000	747,000,000
Capital Lease Obligations Incurred	$ 66,000,000

The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.

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- Definition

The amount of cash paid for interest during the period net of cash paid for interest that is capitalized.

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