Reportable Segments Table - Revenues from External Customers by Segment (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Segment Reporting Information [Line Items]
Revenues	$ 13,080	$ 11,179
Investment In ETP [Member]
Segment Reporting Information [Line Items]
Revenues	12,232	10,854
Investment In Regency [Member]
Segment Reporting Information [Line Items]
Revenues	863	540
Natural Resources [Member] | Investment In Regency [Member]
Segment Reporting Information [Line Items]
Revenues	2	0
Gathering And Processing [Member] | Investment In Regency [Member]
Segment Reporting Information [Line Items]
Revenues	793	486
Corporate and Other [Member] | Investment In Regency [Member]
Segment Reporting Information [Line Items]
Revenues	5	5
Contract Services [Member] | Investment In Regency [Member]
Segment Reporting Information [Line Items]
Revenues	63	49
Intersegment [Member] | Investment In ETP [Member]
Segment Reporting Information [Line Items]
Revenues	20	17
Intersegment [Member] | Investment In Regency [Member]
Segment Reporting Information [Line Items]
Revenues	57	5
Other Segments [Member] | Investment In ETP [Member]
Segment Reporting Information [Line Items]
Revenues	527	535
NGL Transportation And Services [Member] | Investment In ETP [Member]
Segment Reporting Information [Line Items]
Revenues	801	346
Midstream [Member] | Investment In ETP [Member]
Segment Reporting Information [Line Items]
Revenues	302	331
Interstate Transportation and Storage [Member] | Investment In ETP [Member]
Segment Reporting Information [Line Items]
Revenues	295	323
Intrastate Transportation And Storage [Member] | Investment In ETP [Member]
Segment Reporting Information [Line Items]
Revenues	847	645
Investment in Sunoco Logistics [Member] | Investment In ETP [Member]
Segment Reporting Information [Line Items]
Revenues	4,452	3,457
Retail Marketing [Member] | Investment In ETP [Member]
Segment Reporting Information [Line Items]
Revenues	5,008	5,217
External Customers [Member] | Investment In ETP [Member]
Segment Reporting Information [Line Items]
Revenues	12,212	10,837
External Customers [Member] | Investment In Regency [Member]
Segment Reporting Information [Line Items]
Revenues	$ 806	$ 535