Equity Common Unit Activity (Details) shares in Millions	6 Months Ended
	Jun. 30, 2015 shares
Number of common units at December 31, 2014	355.5
Number of common units at June 30, 2015	510.0
Partners' Capital Account, Units, Unit-based Compensation	0.2
ETP [Member]
Common units issued in connection with Equity Distribution Agreements	10.1
Common units issued in connection with the Distribution Reinvestment Plan	2.8
ETP [Member] | Regency Merger [Member]
Stock Issued During Period, Shares, New Issues	172.2
ETP [Member] | Bakken Pipeline Transaction [Member]
Stock Redeemed or Called During Period, Shares	(30.8)