Supplemental Financial Statement Information Schedule of Statements of Operations (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2016	Mar. 31, 2015
SELLING, GENERAL AND ADMINISTRATIVE EXPENSES(1)		$ (156)	$ (155)
Interest expense, net		(427)	(371)
Equity in earnings of unconsolidated affiliates		61	57
Other, net		16	7
Income tax benefit		(55)	12
NET INCOME		312	284
General Partner’s interest in net income		1	1
Class D Unitholder’s interest in net income		0	1
Limited Partners’ interest in net income		311	282
Parent Company [Member]
SELLING, GENERAL AND ADMINISTRATIVE EXPENSES(1)	[1]	(37)	(28)
Interest expense, net		(81)	(61)
Equity in earnings of unconsolidated affiliates		430	373
Other, net		0	1
INCOME BEFORE INCOME TAXES		312	285
Income tax benefit		0	1
NET INCOME		312	284
General Partner’s interest in net income		1	1
Class D Unitholder’s interest in net income		0	1
Limited Partners’ interest in net income		$ 311	$ 282

[1] Includes management fees paid by ETE to ETP.