INVESTMENTS IN UNCONSOLIDATED AFFILIATES INV IN UNCONSOLIDATED AFF. - Schedule of Equity Method Investments (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Summarized Financial Information, Revenue	$ 11,540	$ 14,088	$ 21,866	$ 27,115
Equity Method Investment, Summarized Financial Information, Income (Loss) from Continuing Operations before Extraordinary Items	888	768	1,496	1,474
Equity Method Investment, Summarized Financial Information, Net Income (Loss)	$ 839	$ 547	$ 1,107	$ 1,030
Regency [Member]
Schedule of Equity Method Investments [Line Items]
Number of common units of a subsidiary partnership that are held by a less than wholly-owned subsidiary of the Parent.	31.4		31.4
ETP
Schedule of Equity Method Investments [Line Items]
Number of common units of a subsidiary partnership that are held by a less than wholly-owned subsidiary of the Parent.	15.5		15.5
Class F Units [Member] | Regency [Member]
Schedule of Equity Method Investments [Line Items]
Number of common units of a subsidiary partnership that are held by a less than wholly-owned subsidiary of the Parent.	6.3		6.3