CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Operating Revenues:
Gas sales	$ 315	$ 625
Oil sales	11	17
NGL sales	17	18
Marketing	198	225
Gas gathering	38	48
Total Operating Revenues	579	933
Operating Costs and Expenses:
Marketing purchases	196	222
Operating expenses	165	155
General and administrative expenses	54	68
Restructuring charges	64
Depreciation, depletion and amortization	143	$ 293
Impairment of natural gas and oil properties	1,034
Taxes, other than income taxes	23	$ 30
Total Operating Costs and Expenses	1,679	768
Operating Income (Loss)	(1,100)	165
Interest Expense:
Interest on debt	53	50
Other interest charges	2	49
Interest capitalized	(41)	(48)
Total Interest Expense	14	51
Other (Loss), Net	(3)	(1)
Gain (Loss) on Derivatives	(14)	14
Income (Loss) Before Income Taxes	(1,131)	127
Provision (Benefit) for Income Taxes:
Deferred	1	49
Net Income (Loss)	(1,132)	78
Mandatory convertible preferred stock dividend	$ 27	25
Participating securities - mandatory convertible preferred stock		7
Net Income (Loss) Attributable to Common Stock	$ (1,159)	$ 46
Earnings (Loss) Per Common Share:
Basic	$ (3.03)	$ 0.12
Diluted	$ (3.03)	$ 0.12
Weighted Average Common Shares Outstanding:
Basic	382,870,847	375,444,030
Diluted	382,870,847	375,578,054