Consolidated Statement Of Equity (USD $) In Millions	Total	General Partner	Common Unitholders	Class D Units	Accumulated Other Comprehensive Income	Non- controlling Interest	Subsidiary units issued for cash [Member]	Subsidiary units issued for cash [Member] General Partner	Subsidiary units issued for cash [Member] Common Unitholders	Subsidiary units issued for cash [Member] Class D Units	Subsidiary units issued for cash [Member] Accumulated Other Comprehensive Income	Subsidiary units issued for cash [Member] Non- controlling Interest	Subsidiary units issued in certain acquisitions [Member]	Subsidiary units issued in certain acquisitions [Member] General Partner	Subsidiary units issued in certain acquisitions [Member] Common Unitholders	Subsidiary units issued in certain acquisitions [Member] Class D Units	Subsidiary units issued in certain acquisitions [Member] Accumulated Other Comprehensive Income	Subsidiary units issued in certain acquisitions [Member] Non- controlling Interest	Subsidiary units issued to Parent [Member]	Subsidiary units issued to Parent [Member] General Partner	Subsidiary units issued to Parent [Member] Common Unitholders	Subsidiary units issued to Parent [Member] Class D Units	Subsidiary units issued to Parent [Member] Accumulated Other Comprehensive Income	Subsidiary units issued to Parent [Member] Non- controlling Interest
Balance, December 31, 2013 at Dec. 31, 2013	$ 16,279	$ (3)	$ 1,066	$ 6	$ 9	$ 15,201
Distributions to partners	(391)	(1)	(389)	(1)	0	0
Distributions to noncontrolling interest	(863)	0	0	0	0	(863)
Increase from subsidiary equity issuances							650	0	51	1	0	598	4,015	0	104	0	0	3,911	0	0	(78)	0	0	78
Subsidiary units redeemed in Trunkline LNG Transaction	0	2	480	0	0	(482)
Non-cash compensation expense, net of units tendered by employees for tax withholdings	36	0	0	7	0	29
Capital contributions received from noncontrolling interest	6	0	0	0	0	6
Other, net	(3)	0	(1)	0	0	(2)
Units repurchased under buyback program	(1,000)	0	(1,000)	0	0	0
Other comprehensive loss, net of tax	(9)	0	0	0	(3)	(6)
Net income	948	1	330	1	0	616
Balance, June 30, 2014 at Jun. 30, 2014	$ 19,668	$ (1)	$ 563	$ 14	$ 6	$ 19,086