CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 340	$ 279
Restricted cash	68	0
Accounts receivable, net	704	746
Short-term derivative assets	4	19
Other current assets	74	64
Total current assets	1,190	1,108
Oil and natural gas properties, successful efforts method
Proved oil and natural gas properties	4,748	25,734
Unproved properties	483	1,550
Other property and equipment	491	1,754
Total property and equipment	5,722	29,038
Less: accumulated depreciation, depletion and amortization	(120)	(23,806)
Property and equipment held for sale, net	2	10
Total property and equipment, net	5,604	5,242
Long-term derivative assets	2	0
Other long-term assets	108	234
Total assets	6,904	6,584
Current liabilities:
Accounts payable	346	346
Current maturities of long-term debt, net	0	1,929
Accrued interest	11	3
Short-term derivative liabilities	305	93
Other current liabilities	781	723
Total current liabilities	1,443	3,094
Long-term debt, net	1,262	0
Long-term derivative liabilities	76	44
Asset retirement obligations, net of current portion	237	139
Other long-term liabilities	5	5
Liabilities subject to compromise	0	8,643
Total liabilities	3,023	11,925
Contingencies and commitments (Note 6)
Stockholders’ equity (deficit):
Predecessor preferred stock, $0.01 par value, 20,000,000 shares authorized: 0 and 5,563,458 shares outstanding		1,631
Common stock	1	0
Additional paid-in capital	3,585	16,937
Predecessor accumulated other comprehensive income		45
Retained earnings (accumulated deficit)	295	(23,954)
Total stockholders’ equity (deficit)	3,881	(5,341)
Total liabilities and stockholders’ equity (deficit)	$ 6,904	$ 6,584
Common stock, shares issued (shares)	97,907,081	9,780,547
Preferred stock, shares outstanding (shares)	0	5,563,458
Preferred stock, par value (usd per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (shares)	20,000,000	20,000,000