Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Current Assets
Cash and Cash Equivalents	$ 1,112,623	$ 615,726
Accounts Receivable, Net	1,579,841	1,451,227
Inventories	657,880	590,594
Assets from Price Risk Management Activities	248,698	450,730
Income Taxes Receivable	54,049	26,609
Deferred Income Taxes	120,967	0
Other	226,104	119,052
Total	4,000,162	3,253,938
Property, Plant and Equipment
Oil and Gas Properties (Successful Efforts Method)	37,021,216	33,664,435
Other Property, Plant and Equipment	2,609,467	2,149,989
Total Property, Plant and Equipment	39,630,683	35,814,424
Less: Accumulated Depreciation, Depletion and Amortization	(15,944,233)	(14,525,600)
Total Property, Plant and Equipment, Net	23,686,450	21,288,824
Other Assets	345,879	296,035
Total Assets	28,032,491	24,838,797
Current Liabilities
Accounts Payable	2,151,093	2,033,615
Accrued Taxes Payable	168,691	147,105
Dividends Payable	45,653	42,578
Deferred Income Taxes	2,793	135,989
Other	210,153	163,032
Total	2,578,383	2,522,319
Long-Term Debt	6,305,277	5,009,166
Other Liabilities	842,173	799,189
Deferred Income Taxes	4,513,188	3,867,219
Commitments and Contingencies (Note 8)
Stockholders' Equity
Common Stock, $0.01 Par, 640,000,000 Shares Authorized and 271,323,486 Shares Issued at September 30, 2012 and 269,323,084 Shares Issued at December 31, 2011	202,713	202,693
Additional Paid in Capital	2,459,531	2,272,052
Accumulated Other Comprehensive Income	451,399	401,746
Retained Earnings	10,726,811	9,789,345
Common Stock Held in Treasury, 473,624 Shares at September 30, 2012 and 303,633 Shares at December 31, 2011	(46,984)	(24,932)
Total Stockholders' Equity	13,793,470	12,640,904
Total Liabilities and Stockholders' Equity	$ 28,032,491	$ 24,838,797