CONSOLIDATED STATEMENTS OF INCOME (USD $) In Millions, unless otherwise specified	9 Months Ended	12 Months Ended	5 Months Ended	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2013	May 24, 2012 Predecessor	Dec. 31, 2011 Predecessor
Operating revenues
Oil and condensate	$ 523	$ 1,283	$ 310	$ 513
Natural gas	234	331	228	901
NGLs	32	78	29	58
Financial derivatives	(62)	(52)	365	284
Total operating revenues	727	1,640	932	1,756
Operating expenses
Natural gas purchases	19	25
Transportation costs	51	92	45	85
Lease operating expense	71	163	80	177
General and administrative	358	228	69	185
Depreciation, depletion and amortization	209	618	307	579
Impairment and ceiling test charges	1	2	62	6
Exploration expense	43	45
Taxes, other than income taxes	41	86	31	76
Total operating expenses	793	1,259	594	1,108
Operating income (loss)	(66)	381	338	648
Loss from unconsolidated affiliate	(1)	(13)	(5)	(7)
Other income		1	2	1
Loss on extinguishment of debt	(14)	(9)
Interest expense
Third party	(218)	(321)	(14)	(9)
Affiliated				(5)
Income (loss) from continuing operations before income taxes	(299)	39	321	628
Income tax expense			134	243
Income (loss) from continuing operations	(299)	39	187	385
Income (loss) from discontinued operations, net of tax	44	510	(9)	(123)
Net income (loss)			178	262
Net income (loss)	$ (255)	$ 549