CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
REVENUES
Supply and Logistics segment revenues	$ 9,048	$ 8,544	$ 27,367	$ 24,566
Transportation segment revenues	150	140	458	428
Facilities segment revenues	156	153	533	396
Total revenues	9,354	8,837	28,358	25,390
COSTS AND EXPENSES
Purchases and related costs	8,524	8,142	25,855	23,423
Field operating costs	292	217	860	638
General and administrative expenses	81	56	264	199
Depreciation and amortization (Note 15)	210	65	356	191
Total costs and expenses	9,107	8,480	27,335	24,451
OPERATING INCOME	247	357	1,023	939
OTHER INCOME/(EXPENSE)
Equity earnings in unconsolidated entities	9	4	25	9
Interest expense (net of capitalized interest of $9, $7, $27 and $18, respectively)	(74)	(62)	(214)	(190)
Other income/(expense), net	4	(5)	6	(24)
INCOME BEFORE TAX	186	294	840	734
Current income tax expense	(10)	(7)	(32)	(25)
Deferred income tax benefit/(expense)	(3)	1	(11)	(3)
NET INCOME	173	288	797	706
Net income attributable to noncontrolling interests	(8)	(7)	(23)	(18)
NET INCOME ATTRIBUTABLE TO PLAINS	165	281	774	688
NET INCOME ATTRIBUTABLE TO PLAINS:
LIMITED PARTNERS	89	221	554	520
GENERAL PARTNER	$ 76	$ 60	$ 220	$ 168
BASIC NET INCOME PER LIMITED PARTNER UNIT (in dollars per unit)	$ 0.27	$ 0.74	$ 1.71	$ 1.77
DILUTED NET INCOME PER LIMITED PARTNER UNIT (in dollars per unit)	$ 0.27	$ 0.74	$ 1.70	$ 1.76
BASIC WEIGHTED AVERAGE UNITS OUTSTANDING (in units)	329	299	322	294
DILUTED WEIGHTED AVERAGE UNITS OUTSTANDING (in units)	331	300	325	296