CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
CURRENT ASSETS
Cash and cash equivalents	$ 33	$ 24
Trade accounts receivable and other receivables, net	3,562	3,563
Inventory	1,198	1,209
Other current assets	352	351
Total current assets	5,145	5,147
PROPERTY AND EQUIPMENT	12,245	11,142
Accumulated depreciation	(1,638)	(1,499)
Property and equipment, net	10,607	9,643
OTHER ASSETS
Goodwill	2,519	2,535
Linefill and base gas	770	707
Long-term inventory	218	274
Investments in unconsolidated entities	474	343
Other, net	534	586
Total assets	20,267	19,235
CURRENT LIABILITIES
Accounts payable and accrued liabilities	4,049	3,822
Short-term debt	619	1,086
Other current liabilities	343	275
Total current liabilities	5,011	5,183
LONG-TERM LIABILITIES
Senior notes, net of unamortized discount of $15 and $15, respectively	6,710	6,010
Long-term debt under credit facilities and other	308	310
Other long-term liabilities and deferred credits	554	586
Total long-term liabilities	7,572	6,906
COMMITMENTS AND CONTINGENCIES (NOTE 12)
PARTNERS' CAPITAL
Common unitholders (342,950,166 and 335,283,874 units outstanding, respectively)	6,873	6,388
General partner	277	249
Total partners' capital excluding noncontrolling interests	7,150	6,637
Noncontrolling interests	534	509
Total partners' capital	7,684	7,146
Total liabilities and partners' capital	$ 20,267	$ 19,235