Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Current Assets
Cash and Cash Equivalents	$ 1,667,212	$ 1,318,209
Accounts Receivable, Net	1,801,665	1,658,853
Inventories	635,419	563,268
Assets from Price Risk Management Activities	0	8,260
Income Taxes Receivable	191	4,797
Deferred Income Taxes	429,695	244,606
Other	288,294	274,022
Total	4,822,476	4,072,015
Property, Plant and Equipment
Oil and Gas Properties (Successful Efforts Method)	44,324,008	42,821,803
Other Property, Plant and Equipment	3,128,400	2,967,085
Total Property, Plant and Equipment	47,452,408	45,788,888
Less: Accumulated Depreciation, Depletion and Amortization	(20,453,971)	(19,640,052)
Total Property, Plant and Equipment, Net	26,998,437	26,148,836
Other Assets	320,375	353,387
Total Assets	32,141,288	30,574,238
Current Liabilities
Accounts Payable	2,647,209	2,254,418
Accrued Taxes Payable	270,908	159,365
Dividends Payable	67,768	50,795
Liabilities from Price Risk Management Activities	227,036	127,542
Current Portion of Long-Term Debt	6,579	6,579
Other	176,142	263,017
Total	3,395,642	2,861,716
Long-Term Debt	5,902,952	5,906,642
Other Liabilities	922,586	865,067
Deferred Income Taxes	5,886,794	5,522,354
Commitments and Contingencies (Note 8)
Stockholders' Equity
Common Stock, $0.01 Par, 640,000,000 Shares Authorized and 546,892,339 Shares Issued at March 31, 2014 and 546,378,440 Shares Issued at December 31, 2013	205,471	202,732
Additional Paid in Capital	2,697,807	2,646,879
Accumulated Other Comprehensive Income	402,803	415,834
Retained Earnings	12,760,895	12,168,277
Common Stock Held in Treasury, 396,906 Shares at March 31, 2014 and 206,830 Shares at December 31, 2013	(33,662)	(15,263)
Total Stockholders' Equity	16,033,314	15,418,459
Total Liabilities and Stockholders' Equity	$ 32,141,288	$ 30,574,238