CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Operating Revenues:
Gas sales	$ 503	$ 315
Oil sales	23	11
NGL sales	40	17
Marketing	253	198
Gas gathering	27	38
Total Operating Revenues	846	579
Operating Costs and Expenses:
Marketing purchases	251	196
Operating expenses	147	165
General and administrative expenses	50	54
Restructuring charges		64
Depreciation, depletion and amortization	106	143
Impairment of natural gas and oil properties		1,034
Taxes, other than income taxes	26	23
Total Operating Costs and Expenses	580	1,679
Operating Income (Loss)	266	(1,100)
Interest Expense:
Interest on debt	58	53
Other interest charges	2	2
Interest capitalized	(28)	(41)
Total Interest Expense	32	14
Gain (Loss) on Derivatives	116	(14)
Loss on Early Extinguishment of Debt	(1)
Other Income (Loss), Net	2	(3)
Income (Loss) Before Income Taxes	351	(1,131)
Provision (Benefit) for Income Taxes:
Deferred		1
Provision (Benefit) for Income Taxes		1
Net Income (Loss)	351	(1,132)
Mandatory convertible preferred stock dividend	27	27
Participating securities - mandatory convertible preferred stock	43
Net Income (Loss) Attributable to Common Stock	$ 281	$ (1,159)
Earnings (Loss) Per Common Share:
Basic	$ 0.57	$ (3.03)
Diluted	$ 0.57	$ (3.03)
Weighted Average Common Shares Outstanding:
Basic	493,068,000	382,870,847
Diluted	494,494,995	382,870,847