CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 4	$ 13
Accounts receivable, net	400	368
Derivative assets	157	241
Other current assets	41	49
Total current assets	602	671
Natural gas and oil properties, using the full cost method, including $1,488 million as of March 31, 2021 and $1,472 million as of December 31, 2020 excluded from amortization	27,532	27,261
Other	493	523
Less: Accumulated depreciation, depletion and amortization	(23,741)	(23,673)
Total property and equipment, net	4,284	4,111
Operating lease assets	155	163
Deferred tax assets	0	0
Other long-term assets	206	215
Total long-term assets	361	378
TOTAL ASSETS	5,247	5,160
Current liabilities:
Current portion of long-term debt	207	0
Accounts payable	639	573
Taxes payable	67	74
Interest payable	55	58
Derivative liabilities	338	245
Current operating lease liabilities	41	42
Other current liabilities	23	20
Total current liabilities	1,370	1,012
Long-term debt	2,812	3,150
Long-term operating lease liabilities	111	117
Long-term derivative liabilities	168	183
Pension and other postretirement liabilities	40	45
Other long-term liabilities	160	156
Total long-term liabilities	3,291	3,651
Commitments and contingencies (Note 12)
Equity:
Common stock, $0.01 par value; 1,250,000,000 shares authorized; issued 721,195,122 shares as of March 31, 2021 and 718,795,700 shares as of December 31, 2020	7	7
Additional paid-in capital	5,102	5,093
Accumulated deficit	(4,283)	(4,363)
Accumulated other comprehensive loss	(38)	(38)
Common stock in treasury, 44,353,224 shares as of March 31, 2021 and December 31, 2020	(202)	(202)
Total equity	586	497
TOTAL LIABILITIES AND EQUITY	$ 5,247	$ 5,160