CONSOLIDATED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
CURRENT ASSETS
Cash and cash equivalents	$ 24	$ 26
Trade accounts receivable and other receivables, net	3,563	3,190
Inventory	1,209	978
Other current assets	351	157
Total current assets	5,147	4,351
PROPERTY AND EQUIPMENT	11,142	9,029
Accumulated depreciation	(1,499)	(1,289)
Property and equipment, net	9,643	7,740
OTHER ASSETS
Goodwill	2,535	1,854
Linefill and base gas	707	564
Long-term inventory	274	135
Investments in unconsolidated entities	343	191
Other, net	586	546
Total assets	19,235	15,381
CURRENT LIABILITIES
Accounts payable and accrued liabilities	3,822	3,599
Short-term debt	1,086	679
Other current liabilities	275	233
Total current liabilities	5,183	4,511
LONG-TERM LIABILITIES
Senior notes, net of unamortized discount of $15 and $13, respectively	6,010	4,262
Long-term debt under credit facilities and other	310	258
Other long-term liabilities and deferred credits	586	376
Total long-term liabilities	6,906	4,896
COMMITMENTS AND CONTINGENCIES (NOTE 16)
PARTNERS' CAPITAL
Common unitholders (335,283,874 and 310,753,874 units outstanding, respectively)	6,388	5,249
General partner	249	201
Total partners' capital excluding noncontrolling interests	6,637	5,450
Noncontrolling interests	509	524
Total partners' capital	7,146	5,974
Total liabilities and partners' capital	$ 19,235	$ 15,381