Accounts Receivable

12 Months Ended

Dec. 31, 2014

Accounts Receivable, Net, Current [Abstract]

Loans, Notes, Trade and Other Receivables Disclosure [Text Block]

Accounts Receivable:

Accounts receivable consisted of the following at December 31:

	2014			2013
	(In millions)
Revenue	$	155		$	294
Joint interest	230			156
Other	36			25
Reserve for doubtful accounts	(16		)	(1		)
Total accounts receivable, net	$	405		$	474

Reserve for doubtful accounts at December 31, 2014 includes an allowance for $15 million related to discontinued operations. See Note 3, "Discontinued Operations."