Derivatives And Risk Management (Tables)

3 Months Ended

Mar. 31, 2016

Derivatives And Risk Management [Abstract]

Schedule Of Derivative Instruments, Notional Amount In BCF, Weighted Average Contract Prices And Fair Value

		Weighted Average Price per MMBtu
	Volume (Bcf)	Swaps		Purchased Puts		Sold Calls		Fair value at March 31, 2016 ($ in millions)
Natural Gas:
Fixed Price Swaps:
2016	64	$	2.48	$	–	$	–	$	20
Purchased Put Options:
2016	43	$	–	$	2.35	$	–	$	15
Sold Call Options:
2016	90	$	–	$	–	$	5.00	$	–
2017	86	$	–	$	–	$	3.25	$	(16)
2018	63	$	–	$	–	$	3.50	$	(12)
2019	52	$	–	$	–	$	3.50	$	(13)
2020	32	$	–	$	–	$	3.75	$	(9)

Balance Sheet Classification Of Derivative Financial Instruments

	Derivative Assets
	Balance Sheet Classification		Fair Value
			March 31, 2016		December 31, 2015
		(in millions)
Basis swaps	Derivative assets		$	–	$	3
Fixed price swaps	Derivative assets			20		–
Purchased put options	Derivative assets			15		–
Total derivative assets			$	35	$	3
	Derivative Liabilities
	Balance Sheet Classification		Fair Value
			March 31, 2016		December 31, 2015
			(in millions)
Sold call options	Derivative liabilities		$	5	$	–
Interest rate swaps	Derivative liabilities			3		3
Sold call options	Other long-term liabilities			45		–
Interest rate swaps	Other long-term liabilities			5		2
Total derivative liabilities			$	58	$	5

Summary Of Before Tax Effect Of Fair Value Hedges Not Designated For Hedge Accounting

		Gain (Loss) on Derivatives,
		Unsettled
		Recognized in Earnings
	Consolidated Statement of Operations	For the three months ended
	Classification of Gain (Loss) on	March 31,
Derivative Instrument	Derivatives, Unsettled	2016		2015
		(in millions)
Basis swaps	Gain (Loss) on Derivatives	$	(3)	$	(8)
Sold call options	Gain (Loss) on Derivatives		(50)		8
Purchased put options	Gain (Loss) on Derivatives		15		–
Fixed price swaps	Gain (Loss) on Derivatives		20		(18)
Interest rate swaps	Gain (Loss) on Derivatives		(3)		(3)
Total loss on unsettled derivatives		$	(21)	$	(21)
		Gain (Loss)
		on Derivatives, Settled (1)
		Recognized in Earnings
	Consolidated Statement of Operations	For the three months ended
	Classification of Gain (Loss)	March 31,
Derivative Instrument	on Derivatives, Settled (1)	2016		2015
		(in millions)
Basis swaps	Gain (Loss) on Derivatives	$	4	$	(6)
Fixed price swaps	Gain (Loss) on Derivatives		4		42
Interest rate swaps	Gain (Loss) on Derivatives		(1)		(1)
Total gain on settled derivatives (2)		$	7	$	35
Total gain (loss) on derivatives		$	(14)	$	14

(1) The Company calculates gain (loss) on derivatives, settled, as the summation of gains and losses on positions that have settled within the period.

(2) These amounts are included, along with gas sales revenues, in the calculation of the Company’s realized natural gas price.