Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018
Cash Flows from Operating Activities
Net Income	$ 2,098,389	$ 2,526,272
Items Not Requiring (Providing) Cash
Depreciation, Depletion and Amortization	2,790,496	2,515,445
Impairments	289,761	160,934
Stock-Based Compensation Expenses	132,323	116,290
Deferred Income Taxes	508,576	681,702
Gains (Losses) on Asset Dispositions, Net	3,650	94,658
Other, Net	4,155	15,314
Dry Hole Costs	28,001	5,260
Mark-to-Market Commodity Derivative Contracts
Total (Gains) Losses	(242,622)	297,735
Net Cash Received from (Payments for) Settlements of Commodity Derivative Contracts	139,708	(180,228)
Other, Net	1,215	1,652
Changes in Components of Working Capital and Other Assets and Liabilities
Accounts Receivable	(5,855)	(553,529)
Inventories	55,598	(286,817)
Accounts Payable	134,253	537,525
Accrued Taxes Payable	88,047	(36,891)
Other Assets	394,573	(103,334)
Other Liabilities	(18,315)	(14,776)
Changes in Components of Working Capital Associated with Investing and Financing Activities	(38,677)	95,484
Net Cash Provided by Operating Activities	6,355,976	5,683,380
Investing Cash Flows
Additions to Oil and Gas Properties	(4,866,882)	(4,571,932)
Additions to Other Property, Plant and Equipment	(187,350)	(202,384)
Proceeds from Sales of Assets	35,409	11,582
Other Investing Activities	0	(19,993)
Changes in Components of Working Capital Associated with Investing Activities	38,677	(95,541)
Net Cash Used in Investing Activities	(4,980,146)	(4,878,268)
Financing Cash Flows
Long-Term Debt Repayments	(900,000)	0
Dividends Paid	(420,851)	(311,075)
Treasury Stock Purchased	(22,238)	(58,558)
Proceeds from Stock Options Exercised and Employee Stock Purchase Plan	9,558	12,098
Debt Issuance Costs	(5,016)	0
Repayment of Finance Lease Liabilities	(9,638)	(5,052)
Changes in Components of Working Capital Associated with Financing Activities	0	57
Net Cash Used in Financing Activities	(1,348,185)	(362,530)
Effect of Exchange Rate Changes on Cash	(174)	(2,678)
Increase in Cash and Cash Equivalents	27,471	439,904
Cash and Cash Equivalents at Beginning of Period	1,555,634	834,228
Cash and Cash Equivalents at End of Period	$ 1,583,105	$ 1,274,132

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

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The cash outflow for the obligation for a lease meeting the criteria for capitalization (with maturities exceeding one year or beyond the operating cycle of the entity, if longer).

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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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Dry hole costs from oil and gas producing activities.

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Amount of noncash expense for share-based payment arrangement.

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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.

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