Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Current Assets
Cash and Cash Equivalents	$ 280,374	$ 615,726
Accounts Receivable, Net	1,375,092	1,451,227
Inventories	620,260	590,594
Assets from Price Risk Management Activities	421,135	450,730
Income Taxes Receivable	28,448	26,609
Other	222,749	119,052
Total	2,948,058	3,253,938
Property, Plant and Equipment
Oil and Gas Properties (Successful Efforts Method)	35,562,446	33,664,435
Other Property, Plant and Equipment	2,375,862	2,149,989
Total Property, Plant and Equipment	37,938,308	35,814,424
Less: Accumulated Depreciation, Depletion and Amortization	(15,248,594)	(14,525,600)
Total Property, Plant and Equipment, Net	22,689,714	21,288,824
Other Assets	360,805	296,035
Total Assets	25,998,577	24,838,797
Current Liabilities
Accounts Payable	2,235,637	2,033,615
Accrued Taxes Payable	142,223	147,105
Dividends Payable	45,441	42,578
Deferred Income Taxes	121,059	135,989
Other	135,580	163,032
Total	2,679,940	2,522,319
Long-Term Debt	5,011,893	5,009,166
Other Liabilities	791,297	799,189
Deferred Income Taxes	4,160,306	3,867,219
Commitments and Contingencies (Note 8)
Stockholders' Equity
Common Stock, $0.01 Par, 640,000,000 Shares Authorized and 270,226,599 Shares Issued at June 30, 2012 and 269,323,084 Shares Issued at December 31, 2011	202,702	202,693
Additional Paid in Capital	2,374,122	2,272,052
Accumulated Other Comprehensive Income	400,086	401,746
Retained Earnings	10,417,405	9,789,345
Common Stock Held in Treasury, 419,651 Shares at June 30, 2012 and 303,633 Shares at December 31, 2011	(39,174)	(24,932)
Total Stockholders' Equity	13,355,141	12,640,904
Total Liabilities and Stockholders' Equity	$ 25,998,577	$ 24,838,797