CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Operating Revenues:
Total operating revenues	$ 1,598	$ 527	$ 3,720	$ 1,529
Operating Costs and Expenses:
Operating expenses	296	202	805	577
General and administrative expenses	32	31	104	89
Merger-related expenses	35	3	39	3
Restructuring charges	0	0	7	12
Depreciation, depletion and amortization	138	70	334	267
Impairments	6	361	6	2,495
Taxes, other than income taxes	35	15	86	38
Total operating costs and expense	962	908	2,490	4,156
Operating Income (Loss)	636	(381)	1,230	(2,627)
Interest Expense:
Interest on debt	56	43	154	123
Other interest charges	3	2	9	7
Interest capitalized	(25)	(23)	(68)	(67)
Total interest expense	34	22	95	63
Gain (Loss) on Derivatives	(2,399)	(192)	(3,461)	38
Gain (Loss) on Early Extinguishment of Debt	(59)	0	(59)	35
Other Income (Loss), Net	(1)	2	(1)	3
Loss Before Income Taxes	(1,857)	(593)	(2,386)	(2,614)
Provision (Benefit) for Income Taxes:
Current	0	0	0	(2)
Deferred	0	0	0	408
Total provision (benefit) from income taxes	0	0	0	406
Net Loss	$ (1,857)	$ (593)	$ (2,386)	$ (3,020)
Loss Per Common Share:
Basic (in dollars per share)	$ (2.36)	$ (1.04)	$ (3.34)	$ (5.48)
Diluted (in dollars per share)	$ (2.36)	$ (1.04)	$ (3.34)	$ (5.48)
Weighted Average Common Shares Outstanding:
Basic (in shares)	787,032,414	571,872,413	713,455,662	551,162,559
Diluted (in shares)	787,032,414	571,872,413	713,455,662	551,162,559
Gas sales
Operating Revenues:
Total operating revenues	$ 811	$ 199	$ 1,708	$ 611
Oil sales
Operating Revenues:
Total operating revenues	110	40	297	111
NGL sales
Operating Revenues:
Total operating revenues	255	68	607	158
Marketing
Operating Revenues:
Total operating revenues	418	219	1,102	645
Other
Operating Revenues:
Total operating revenues	4	1	6	4
Marketing purchases
Operating Costs and Expenses:
Marketing purchases	$ 420	$ 226	$ 1,109	$ 675