Equity (Public Offerings of Common Units) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended			1 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Apr. 30, 2013 ETP [Member]	Jul. 31, 2012 ETP [Member]	Nov. 30, 2011 ETP [Member]	Apr. 30, 2011 ETP [Member]
Number of Common Units	13.8	15.5	29.4	13.8	15.5	15.2	14.2
Price per Unit				$ 48.05	$ 44.57	$ 44.67	$ 50.52
Net Proceeds	$ 1,611	$ 791	$ 1,467	$ 657	$ 671	$ 660	$ 695