CONSOLIDATED STATEMENT OF PARTNERS' CAPITAL (USD $) In Millions	Predecessor	Predecessor Partners’ Capital	Predecessor Accumulated Other Comprehensive Loss	Predecessor Tax Sharing Note Receivable-Related Party	Successor	Successor Partners’ Capital	Successor Accumulated Other Comprehensive Loss	Successor Tax Sharing Note Receivable-Related Party
Balance at Dec. 31, 2009	$ 1,468	$ 1,493	$ (20)	$ (5)
Tax sharing receivable - Southern Union	2	0	0	2
Net income	148	148	0	0
Other comprehensive income, net of tax	3	0	3	0
Balance at Dec. 31, 2010	1,621	1,641	(17)	(3)
Net income	46
Balance at Mar. 31, 2011
Balance at Dec. 31, 2010	1,621	1,641	(17)	(3)
Tax sharing receivable - Southern Union	2	0	0	2
Net income	168	168	0	0
Other comprehensive income, net of tax	1	0	1	0
Balance at Dec. 31, 2011	1,792	1,809	(16)	(1)
Balance at Sep. 30, 2011
Net income	47
Balance at Dec. 31, 2011	1,792	1,809	(16)	(1)
Tax sharing receivable - Southern Union	0	0	0	0
Net income	40	40	0	0
Other comprehensive income, net of tax	3	0	3	0
Balance at Mar. 25, 2012	1,835	1,849	(13)	(1)	3,961	3,962	0	(1)
Tax sharing receivable - Southern Union					1	0	0	1
Net income					88	88	0	0
Other comprehensive income, net of tax					(9)	0	(9)	0
Balance at Dec. 31, 2012					4,041	4,050	(9)	0
Balance at Sep. 30, 2012
Net income					40
Balance at Dec. 31, 2012					$ 4,041