ETE MERGER AND OTHER TRANSACTIONS ETE MERGER AND OTHER TRANSACTIONS - Discontinued Operations (Details) (USD $) In Millions, unless otherwise specified				3 Months Ended					12 Months Ended		0 Months Ended	3 Months Ended			9 Months Ended				12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011		Mar. 25, 2012 Predecessor [Member]	Dec. 31, 2011 Predecessor [Member]	Sep. 30, 2011 Predecessor [Member]	Jun. 30, 2011 Predecessor [Member]	Mar. 31, 2011 Predecessor [Member]	Dec. 31, 2011 Predecessor [Member]	Dec. 31, 2010 Predecessor [Member]	Mar. 31, 2012 Successor [Member]	Dec. 31, 2012 Successor [Member]	Sep. 30, 2012 Successor [Member]	Jun. 30, 2012 Successor [Member]	Dec. 31, 2012 Successor [Member]	Dec. 31, 2012 Distribution [Member]	Dec. 14, 2012 Distribution [Member]	Mar. 25, 2012 Distribution [Member]	Dec. 31, 2010 Distribution [Member] Predecessor [Member]
Business Acquisition, Cost of Acquired Entity, Purchase Price	$ 3,913																$ 1,035
Disposal Group, Including Discontinued Operation, Revenue				190					669	701					324
Income (Loss) from Discontinued Operations, before income tax				27					64	72					43
Goodwill	2,497	665	[1]													133		133
Income (Loss) from Discontinued Operations				$ 17	$ 17	$ 5	$ 3	$ 16	$ 41	$ 27	$ 1	$ 14	$ 5	$ 8	$ 28				$ 18

[1] (2) The Company’s tax basis in the investment in Citrus includes equity goodwill.