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Acquisitions And Divestitures (Narrative) (Details) (USD $)	9 Months Ended				0 Months Ended
	Sep. 30, 2011	May 02, 2011	Jul. 19, 2011 Citrus Corp [Member]	Sep. 30, 2011 SUG [Member]	May 02, 2011 Energy Transfer Partners [Member]	May 02, 2011 Lone Star L.L.C. [Member]	May 02, 2011 Regency Energy Partners [Member]
Entity purchase price				$ 2,000,000,000
Cash paid		1,980,000,000		1,900,000,000	1,380,000,000
Common units paid				105,000,000
Joint venture owned by the partnership					70.00%	20.00%	30.00%
Ownership percentage			50.00%	50.00%
Relinquishment of rights of incentive distributions	$ 220,000,000