Acquisitions And Divestitures (Tables) - Chesapeake Property Acquisition [Member]

9 Months Ended

Sep. 30, 2015

Business Acquisition [Line Items]

Summary Of Consideration Paid And Fair Value Of Assets Acquired And Liabilities Assumed

Consideration (in millions):
Cash	$	4,959
Recognized amounts of identifiable assets acquired and liabilities assumed:
Assets acquired:
Proved natural gas and oil properties		1,418
Unproved natural gas and oil properties		3,574
Other property and equipment		33
Inventory		3
Total assets acquired		5,028
Liabilities assumed:
Asset retirement obligations		(42)
Other liabilities		(27)
Total liabilities assumed		(69)
	$	4,959

Summary Of Consolidated Results Of Operations On Pro Forma Basis

	For the three months ended		For the nine months ended
	September 30, 2014		September 30, 2014
	(unaudited)
	(in millions, except per share amounts)
Revenues	$	1,019	$	3,416
Net Income	$	234	$	720
Earnings per common share:
Basic	$	0.46	$	1.43
Diluted	$	0.45	$	1.42