CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Operating Revenues:
Total operating revenues	$ 6,667	$ 2,308	$ 3,038
Operating Costs and Expenses:
Operating expenses	1,170	813	720
General and administrative expenses	138	121	166
Merger-related expenses	76	41	0
Restructuring charges	7	16	11
Loss on sale of operating assets	0	0	2
Depreciation, depletion and amortization	546	357	471
Impairments	6	2,830	16
Taxes, other than income taxes	132	55	62
Total Operating Costs and Expenses	4,032	5,179	2,768
Operating Income (Loss)	2,635	(2,871)	270
Interest Expense:
Interest on debt	220	171	166
Other interest charges	13	11	8
Interest capitalized	(97)	(88)	(109)
Total Interest Expense	136	94	65
Gain (Loss) on Derivatives	(2,436)	224	274
Gain (Loss) on Early Extinguishment of Debt	(93)	35	8
Other Income (Loss), Net	5	1	(7)
Income (Loss) Before Income Taxes	(25)	(2,705)	480
Provision (Benefit) for Income Taxes:
Current	0	(2)	(2)
Deferred	0	409	(409)
Provision (Benefit) for Income Taxes	0	407	(411)
Net Income (Loss)	$ (25)	$ (3,112)	$ 891
Earnings (Loss) Per Common Share
Basic (in dollars per share)	$ (0.03)	$ (5.42)	$ 1.65
Diluted (in dollars per share)	$ (0.03)	$ (5.42)	$ 1.65
Weighted Average Common Shares Outstanding:
Basic (in shares)	789,657,776	573,889,502	539,345,343
Diluted (in shares)	789,657,776	573,889,502	540,382,914
Gas sales
Operating Revenues:
Total operating revenues	$ 3,412	$ 967	$ 1,241
Oil sales
Operating Revenues:
Total operating revenues	394	154	223
NGL sales
Operating Revenues:
Total operating revenues	890	265	274
Marketing
Operating Revenues:
Total operating revenues	1,963	917	1,297
Operating Costs and Expenses:
Marketing purchases	1,957	946	1,320
Other
Operating Revenues:
Total operating revenues	$ 8	$ 5	$ 3