Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Current Assets
Cash and Cash Equivalents	$ 668,481	$ 718,506
Accounts Receivable, Net	780,625	930,610
Inventories	538,926	598,935
Assets from Price Risk Management Activities	4,070	0
Income Taxes Receivable	39,045	40,704
Deferred Income Taxes	177,057	147,812
Other	157,608	155,677
Total	2,365,812	2,592,244
Property, Plant and Equipment
Oil and Gas Properties (Successful Efforts Method)	51,159,332	50,613,241
Other Property, Plant and Equipment	4,004,310	3,986,610
Total Property, Plant and Equipment	55,163,642	54,599,851
Less: Accumulated Depreciation, Depletion and Amortization	(31,362,209)	(30,389,130)
Total Property, Plant and Equipment, Net	23,801,433	24,210,721
Other Assets	171,178	167,505
Total Assets	26,338,423	26,970,470
Current Liabilities
Accounts Payable	1,182,025	1,471,953
Accrued Taxes Payable	93,077	93,618
Dividends Payable	91,569	91,546
Short-Term Borrowings and Current Portion of Long-Term Debt	6,579	6,579
Other	174,722	155,591
Total	1,547,972	1,819,287
Long-Term Debt	6,979,029	6,648,911
Other Liabilities	985,713	971,335
Deferred Income Taxes	$ 4,420,221	$ 4,587,902
Commitments and Contingencies (Note 8)
Stockholders' Equity
Common Stock, $0.01 Par, 640,000,000 Shares Authorized and 550,576,063 Shares Issued at March 31, 2016 and 550,150,823 Shares Issued at December 31, 2015	$ 205,506	$ 205,502
Additional Paid in Capital	2,951,861	2,923,461
Accumulated Other Comprehensive Loss	(31,131)	(33,338)
Retained Earnings	9,308,463	9,870,816
Common Stock Held in Treasury, 383,609 Shares at March 31, 2016 and 292,179 Shares at December 31, 2015	(29,211)	(23,406)
Total Stockholders' Equity	12,405,488	12,943,035
Total Liabilities and Stockholders' Equity	$ 26,338,423	$ 26,970,470