Consolidated Statement of Equity - USD ($) $ in Millions	Total	Series A Preferred Units	Common Units [Member]
Beginning balance at Dec. 31, 2016	$ 2,196	$ 0	$ 2,196
Increase (Decrease) in Partners' Capital [Roll Forward]
Equity issued under ATM, net	33	0	33
Equity issued to ETE	300	300	0
Cash distribution to unitholders	(420)	0	(420)
Unit-based compensation	24	0	24
Distribution to preferred units	23	23	0
Other	(12)	0	(12)
Partnership net income	149	23	126
Ending balance at Dec. 31, 2017	2,247	300	1,947
Increase (Decrease) in Partners' Capital [Roll Forward]
Common unit repurchase	(540)	0	(540)
Cash distribution to unitholders	(369)	0	(369)
Unit-based compensation	12	0	12
Distribution to preferred units	2	2	0
Redemption of preferred units	(300)	(300)	0
Other	(3)	0	(3)
Partnership net income	(207)	2	(209)
Ending balance at Dec. 31, 2018	784	0	784
Increase (Decrease) in Partners' Capital [Roll Forward]
Cumulative effect of change in revenue recognition accounting principle	(54)	0	(54)
Cash distribution to unitholders	(353)	0	(353)
Unit-based compensation	13	0	13
Other	1	0	1
Partnership net income	313	0	313
Ending balance at Dec. 31, 2019	$ 758	$ 0	$ 758