CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 201	$ 916
Accounts receivable, net	581	428
Derivative assets	130	130
Other current assets	44	35
Total current assets	956	1,509
Natural gas and oil properties, using the full cost method, including $1,755 million as of December 31, 2018 and $1,817 million as of December 31, 2017 excluded from amortization	24,180	23,890
Gathering systems	38	1,315
Other	487	564
Less: Accumulated depreciation, depletion and amortization	(20,049)	(19,997)
Total property and equipment, net	4,656	5,772
Other long-term assets	185	240
TOTAL ASSETS	5,797	7,521
Current liabilities:
Accounts payable	609	533
Taxes payable	58	62
Interest payable	52	70
Dividends payable		27
Derivative liabilities	79	64
Other current liabilities	48	24
Total current liabilities	846	780
Long-term debt	2,318	4,391
Pension and other postretirement liabilities	46	58
Other long-term liabilities	225	313
Total long-term liabilities	2,589	4,762
Commitments and contingencies (Note 9)
Equity:
Common stock, $0.01 par value; 1,250,000,000 shares authorized; issued 585,407,107 shares as of December 31, 2018 and 512,134,311 as of December 31, 2017	6	5
Preferred stock, $0.01 par value, 10,000,000 shares authorized, 6.25% Series B Mandatory Convertible, $1,000 per share liquidation preference, 1,725,000 shares issued and outstanding as of December 31, 2017, converted to common stock on January 12, 2018
Additional paid-in capital	4,715	4,698
Accumulated deficit	(2,142)	(2,679)
Accumulated other comprehensive loss	(36)	(44)
Common stock in treasury, 39,092,537 shares as of December 31, 2018 and 31,269 shares as of December 31, 2017	(181)	(1)
Total equity	2,362	1,979
TOTAL LIABILITIES AND EQUITY	$ 5,797	$ 7,521