Condensed Consolidated Statements of Operations - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
REVENUES
Oil and natural gas sales	$ 245,000,000	$ 578,000,000	$ 675,000,000	$ 1,179,000,000
Net derivative (loss) gain from commodity contracts	(4,000,000)	21,000,000	75,000,000	(68,000,000)
Other revenue	35,000,000	54,000,000	99,000,000	232,000,000
Total revenues	276,000,000	653,000,000	849,000,000	1,343,000,000
COSTS
Production costs	127,000,000	230,000,000	319,000,000	463,000,000
General and administrative expenses	69,000,000	79,000,000	129,000,000	162,000,000
Depreciation, depletion and amortization	88,000,000	121,000,000	207,000,000	239,000,000
Asset impairments	0	0	1,736,000,000	0
Taxes other than on income	38,000,000	36,000,000	79,000,000	77,000,000
Exploration expense	2,000,000	10,000,000	7,000,000	20,000,000
Other expenses, net	67,000,000	55,000,000	136,000,000	203,000,000
Total costs	391,000,000	531,000,000	2,613,000,000	1,164,000,000
OPERATING (LOSS) INCOME	(115,000,000)	122,000,000	(1,764,000,000)	179,000,000
NON-OPERATING (LOSS) INCOME
Interest and debt expense, net	(85,000,000)	(98,000,000)	(172,000,000)	(198,000,000)
Net gain on early extinguishment of debt	0	20,000,000	5,000,000	26,000,000
Other non-operating expenses	(47,000,000)	(3,000,000)	(61,000,000)	(10,000,000)
(LOSS) INCOME BEFORE INCOME TAXES	(247,000,000)	41,000,000	(1,992,000,000)	(3,000,000)
Income tax	0	0	0	0
NET (LOSS) INCOME	(247,000,000)	41,000,000	(1,992,000,000)	(3,000,000)
NET INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS
Mezzanine equity	(30,000,000)	(29,000,000)	(60,000,000)	(57,000,000)
Equity	6,000,000	0	(15,000,000)	5,000,000
Net income attributable to noncontrolling interests	(24,000,000)	(29,000,000)	(75,000,000)	(52,000,000)
NET (LOSS) INCOME ATTRIBUTABLE TO COMMON STOCK	$ (271,000,000)	$ 12,000,000	$ (2,067,000,000)	$ (55,000,000)
Net (loss) income attributable to common stock per share
Basic (in dollars per share)	$ (5.47)	$ 0.25	$ (41.84)	$ (1.13)
Diluted (in dollars per share)	$ (5.47)	$ 0.24	$ (41.84)	$ (1.13)