Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Cash Flows from Operating Activities
Net Income	$ 635,426	$ 638,589
Items Not Requiring (Providing) Cash
Depreciation, Depletion and Amortization	879,595	748,591
Impairments	72,356	64,609
Stock-Based Compensation Expenses	39,087	35,486
Deferred Income Taxes	106,324	171,362
Gains (Losses) on Asset Dispositions, Net	(3,836)	(14,969)
Other, Net	2,952	2,013
Dry Hole Costs	94	0
Mark-to-Market Commodity Derivative Contracts
Total Losses	20,580	59,771
Net Cash Received from (Payments for) Settlements of Commodity Derivative Contracts	20,846	(21,965)
Other, Net	976	(478)
Changes in Components of Working Capital and Other Assets and Liabilities
Accounts Receivable	(308,996)	(109,654)
Inventories	(18,979)	(106,799)
Accounts Payable	194,082	53,652
Accrued Taxes Payable	114,998	21,950
Other Assets	(6,935)	(8,863)
Other Liabilities	(54,092)	(29,055)
Changes in Components of Working Capital Associated with Investing and Financing Activities	(94,381)	17,988
Net Cash Provided by Operating Activities	1,607,769	1,552,166
Investing Cash Flows
Additions to Oil and Gas Properties	(1,939,473)	(1,365,111)
Additions to Other Property, Plant and Equipment	(60,963)	(76,100)
Proceeds from Sales of Assets	15,049	2,829
Changes in Components of Working Capital Associated with Investing Activities	94,381	(18,045)
Net Cash Used in Investing Activities	(1,891,006)	(1,456,427)
Financing Cash Flows
Dividends Paid	(127,546)	(97,026)
Treasury Stock Purchased	(6,248)	(16,776)
Proceeds from Stock Options Exercised and Employee Stock Purchase Plan	403	1,453
Repayment of Finance Lease Liabilities	(3,190)	(1,671)
Changes in Components of Working Capital Associated with Financing Activities	0	57
Net Cash Used in Financing Activities	(136,581)	(113,963)
Effect of Exchange Rate Changes on Cash	(6)	90
Decrease in Cash and Cash Equivalents	(419,824)	(18,134)
Cash and Cash Equivalents at Beginning of Period	1,555,634	834,228
Cash and Cash Equivalents at End of Period	$ 1,135,810	$ 816,094

The net change during the reporting period of all assets and liabilities used in financing activities.

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-Topic 932
-SubTopic 235
-Section 50
-Paragraph 23
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e62136-109447

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- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

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- Definition

The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of open derivatives, commodity, or energy contracts, held at each balance sheet date, that was included in earnings for the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585

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- References

No definition available.

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