CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
CASH FLOWS FROM OPERATING ACTIVITIES:
NET INCOME (LOSS)	$ (8,589)	$ 77
ADJUSTMENTS TO RECONCILE NET LOSS TO CASH PROVIDED BY OPERATING ACTIVITIES:
Depreciation, depletion and amortization	761	1,099
Deferred income tax benefit	(10)	(314)
Derivative (gains) losses, net	(734)	30
Cash receipts on derivative settlements, net	880	15
Stock-based compensation	9	17
Gains on sales of assets	0	(20)
Impairments	8,522	2
Non-cash reorganization items, net	(449)	0
Exploration	406	25
Losses on investments	23	18
Gains on purchases or exchanges of debt	(65)	0
Other	(22)	41
Changes in assets and liabilities	41	(137)
Net Cash Provided By Operating Activities	773	853
CASH FLOWS FROM INVESTING ACTIVITIES:
Drilling and completion costs	(843)	(1,070)
Business combination, net	0	(353)
Acquisitions of proved and unproved properties	(9)	(17)
Proceeds from divestitures of proved and unproved properties	7	82
Additions to other property and equipment	(15)	(18)
Proceeds from sales of other property and equipment	4	4
Net Cash Used In Investing Activities	(856)	(1,372)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from pre-petition revolving credit facility borrowings	3,806	6,416
Payments on pre-petition revolving credit facility borrowings	(3,467)	(5,452)
Cash paid to purchase debt	(95)	(381)
DIP credit facility financing costs	(55)	0
Cash paid for preferred stock dividends	(22)	(46)
Other	(8)	(18)
Net Cash Provided By Financing Activities	159	519
Net increase in cash and cash equivalents	76	0
Cash and cash equivalents, beginning of period	6	4
Cash and cash equivalents, end of period	82	4
SUPPLEMENTAL CASH FLOW INFORMATION:
Cash paid for reorganization items, net	55	0
Interest paid, net of capitalized interest	177	296
Income taxes paid, net of refunds received	(2)	(5)
SUPPLEMENTAL DISCLOSURE OF SIGNIFICANT NON-CASH INVESTING AND FINANCING ACTIVITIES:
Common stock issued for business combination	0	2,037
Change in senior notes exchanged	0	35
Change in accrued drilling and completion costs
SUPPLEMENTAL DISCLOSURE OF SIGNIFICANT NON-CASH INVESTING AND FINANCING ACTIVITIES:
Change in accrued drilling and completion costs	$ (223)	$ 17