CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 17	$ 53
Accounts receivable	491	530
Inventories	39	37
Derivative assets	295	337
Other current assets	46	158
Total current assets	888	1,115
Natural gas and oil properties, using the full cost method, including $4,997 million as of March 31, 2015 and $4,646 million as of December 31, 2014 excluded from amortization	21,516	20,506
Gathering systems	1,485	1,439
Other	626	612
Less: Accumulated depreciation, depletion and amortization	(9,144)	(8,845)
Total property and equipment, net	14,483	13,712
Other long-term assets	216	98
TOTAL ASSETS	15,587	14,925
Current liabilities:
Short-term debt	1	4,501
Accounts payable	606	653
Taxes payable	72	92
Interest payable	31	34
Current deferred income taxes	91	109
Dividends payable	25
Derivative liabilities	11	9
Other current liabilities	108	30
Total current liabilities	945	5,428
Long-term debt	5,163	2,466
Deferred income taxes	2,009	1,951
Pension and other postretirement liabilities	45	44
Other long-term liabilities	368	374
Total long-term liabilities	7,585	4,835
Commitments and contingencies (Note 10)
Equity:
Common stock, $0.01 par value; authorized 1,250,000,000 shares; issued 384,572,080 shares as of March 31, 2015 and 354,488,992 as of December 31, 2014	4	4
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
Additional paid-in capital	3,372	1,019
Retained earnings	3,633	3,577
Accumulated other comprehensive income	48	62
Common stock in treasury, 13,893 shares in 2015 and 11,055 in 2014
Total equity	7,057	4,662
TOTAL LIABILITIES AND EQUITY	$ 15,587	$ 14,925