ETE Merger (Details) (USD $)	0 Months Ended
	Jul. 19, 2011
Plan Of Merger [Line Items]
Percentages Of Shares Cash	no more than 60 percent
Percentage Of Shares Shares	no more than 50 percent
Value Outstanding Share	$ 44.25
Common Unit	1.00x
Percentage Owned By Equity Investment	100.00%
Total Merger Amount	2,000,000,000
Merger Cash	1,895,000,000
Merger Common Units	105,000,000
Maximum Contribution Equity Interest Merger	1,450,000,000
Remaining Cash Proceeds Debt	445,000,000
Contract Termination Fee	181,300,000
Obligated Maximum Merger Costs	$ 54,000,000