ASSET RETIREMENT OBLIGATION (Tables)

12 Months Ended

Dec. 31, 2013

Asset Retirement Obligation Disclosure [Abstract]

Asset Retirement Obligation

The following table describes changes to the Company’s asset retirement obligation (ARO) liability for the years ended December 31, 2013 and 2012:

	2013			2012
	(In millions)
Asset retirement obligation at beginning of year	$	4,578		$	3,887
Liabilities incurred		481			592
Liabilities acquired		53			72
Liabilities divested		(1,692	)		—
Liabilities settled		(497	)		(550	)
Accretion expense		243			232
Revisions in estimated liabilities		56			345
Asset retirement obligation at end of year		3,222			4,578
Less current portion		(121	)		(478	)
Asset retirement obligation, long-term	$	3,101		$	4,100