CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
CURRENT ASSETS
Cash and cash equivalents	$ 32	$ 26
Trade accounts receivable and other receivables, net	3,319	3,190
Inventory	1,320	978
Other current assets	142	157
Total current assets	4,813	4,351
PROPERTY AND EQUIPMENT	10,800	9,029
Accumulated depreciation	(1,452)	(1,289)
Property and equipment, net	9,348	7,740
OTHER ASSETS
Goodwill	2,119	1,854
Linefill and base gas	714	564
Long-term inventory	287	135
Investments in unconsolidated entities	289	191
Other, net	617	546
Total assets	18,187	15,381
CURRENT LIABILITIES
Accounts payable and accrued liabilities	3,707	3,599
Short-term debt	834	679
Other current liabilities	345	233
Total current liabilities	4,886	4,511
LONG-TERM LIABILITIES
Senior notes, net of unamortized discount of $14 and $13, respectively	5,511	4,262
Long-term debt under credit facilities and other	300	258
Other long-term liabilities and deferred credits	565	376
Total long-term liabilities	6,376	4,896
COMMITMENTS AND CONTINGENCIES (NOTE 12)
PARTNERS' CAPITAL
Common unitholders (331,619,386 and 310,753,874 units outstanding, respectively)	6,183	5,249
General partner	237	201
Total partners' capital excluding noncontrolling interests	6,420	5,450
Noncontrolling interests	505	524
Total partners' capital	6,925	5,974
Total liabilities and partners' capital	$ 18,187	$ 15,381