Consolidated Statements Of Cash Flows - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities:
Net loss	$ (1,815)	$ (317)
Adjustments to reconcile net loss to net cash from operating activities:
Net (earnings) loss from discontinued operations, net of income taxes	125	(61)
Depreciation, depletion and amortization	401	360
Asset impairments	2,666
Leasehold impairments	110	1
Accretion on discounted liabilities	8	9
Total (gains) losses on commodity derivatives	(720)	605
Cash settlements on commodity derivatives	101	31
Gains on asset dispositions		(45)
Deferred income tax benefit	(311)	(115)
Share-based compensation	20	44
Other		(14)
Changes in assets and liabilities, net	(56)	(61)
Net cash from operating activities - continuing operations	529	437
Cash flows from investing activities:
Capital expenditures	(425)	(490)
Acquisitions of property and equipment	(4)	(10)
Divestitures of property and equipment	25	310
Net cash from investing activities - continuing operations	(404)	(190)
Cash flows from financing activities:
Repayments of long-term debt		(162)
Repurchases of common stock	(38)	(999)
Dividends paid on common stock	(34)	(34)
Contributions from noncontrolling interests	5
Distributions to noncontrolling interests	(3)
Shares exchanged for tax withholdings	(17)	(19)
Net cash from financing activities - continuing operations	(87)	(1,214)
Net change in cash, cash equivalents and restricted cash of continuing operations	38	(967)
Cash flows from discontinued operations:
Operating activities	(131)	(59)
Investing activities	(1)	(59)
Financing activities	0	(7)
Effect of exchange rate changes on cash	(23)	1
Net change in cash, cash equivalents and restricted cash of discontinued operations	(155)	(124)
Net change in cash, cash equivalents and restricted cash	(117)	(1,091)
Cash, cash equivalents and restricted cash at beginning of period	1,844	2,446
Cash, cash equivalents and restricted cash at end of period	1,727	1,355
Reconciliation of cash, cash equivalents and restricted cash:
Cash and cash equivalents	1,527	1,327
Cash restricted for discontinued operations	200
Restricted cash included in other current assets		28
Cash, cash equivalents and restricted cash at end of period	$ 1,727	$ 1,355

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