Supplemental Cash Flow Information (Details) (USD $)	9 Months Ended
	Sep. 30, 2014		Sep. 30, 2013
Supplemental Cash Flow Information [Abstract]
Interest (1)	$ 143,615,000	[1]	$ 172,808,000	[1]
Income Taxes, Net of Refunds Received	330,476,000		220,450,000
Interest Costs Capitalized	43,000,000		34,000,000
Accrued Capital Expenditures	$ 960,000,000		$ 743,000,000

[1] (1)Net of capitalized interest of $43 million and $34 million for the nine months ended September 30, 2014 and 2013, respectively.