Condensed Consolidated Statements Of Operations (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
REVENUES
Gas sales, including related party amounts of $13 and $5	$ 335	$ 167
NGL sales, including related party amounts of $50 and $25	331	235
Gathering, transportation and other fees, including related party amounts of $6 and $7	172	127
Net realized and unrealized loss from derivatives	(13)	(3)
Other	38	14
Total revenues	863	540
OPERATING COSTS AND EXPENSES
Cost of sales, including related party amounts of $10 and $9	638	387
Operation and maintenance	78	69
General and administrative	33	33
(Gain) loss on asset sales, net	(2)	1
Depreciation, depletion and amortization	94	65
Total operating costs and expenses	841	555
OPERATING INCOME (LOSS)	22	(15)
Income from unconsolidated affiliates	43	35
Interest expense, net	(56)	(37)
Other income and deductions, net	2	(14)
INCOME (LOSS) BEFORE INCOME TAXES	11	(31)
Income tax benefit	(1)	(2)
NET INCOME (LOSS)	12	(29)
Net income attributable to noncontrolling interest	(3)	0
NET INCOME (LOSS) ATTRIBUTABLE TO REGENCY ENERGY PARTNERS LP	9	(29)
Amounts attributable to Series A preferred units	1	2
General partner’s interest, including IDRs	5	2
Beneficial conversion feature for Class F units	2	0
Pre-acquisition loss from SUGS allocated to predecessor equity	0	(24)
Limited partners’ interest in net income (loss)	1	(9)
Basic and diluted net income (loss) per common unit:
Weighted average number of common units outstanding	226,046,232	170,952,804
Basic income (loss) per common unit	$ 0.00	$ (0.06)
Diluted income (loss) per common unit	$ 0.00	$ (0.06)
Distributions per common unit	$ 0.48	$ 0.46
Amount allocated to Class F units due to beneficial conversion feature	$ 2	$ 0
Total number of Class F units outstanding	6,274,483	0
Income per Class F unit due to beneficial conversion feature	$ 0.27	$ 0.00