Condensed Consolidated Statements Of Operations Statements of Operations (Paranthetical) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Paranthetical [Abstract]
Gas sales, related party amounts	$ 23	$ 22	$ 58	$ 56
NGL sales, related party amounts	89	11	196	23
Gathering, transportation and other fees, related party amounts	13	6	26	20
Cost of sales, related party amounts	$ 19	$ 8	$ 45	$ 35