CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
REVENUES
Supply and Logistics segment revenues	$ 9,933	$ 9,442	$ 20,157	$ 18,319
Transportation segment revenues	165	158	338	307
Facilities segment revenues	197	186	420	378
Total revenues	10,295	9,786	20,915	19,004
COSTS AND EXPENSES
Purchases and related costs	9,387	8,830	18,825	17,332
Field operating costs	343	319	684	568
General and administrative expenses	91	89	196	182
Depreciation and amortization	91	86	173	146
Total costs and expenses	9,912	9,324	19,878	18,228
OPERATING INCOME	383	462	1,037	776
OTHER INCOME/(EXPENSE)
Equity earnings in unconsolidated entities	11	9	23	16
Interest expense (net of capitalized interest of $10, $10, $19 and $18, respectively)	(75)	(75)	(152)	(140)
Other income/(expense), net	(1)		(1)	2
INCOME BEFORE TAX	318	396	907	654
Current income tax expense	(8)	(6)	(53)	(23)
Deferred income tax expense	(10)	(4)	(17)	(7)
NET INCOME	300	386	837	624
Net income attributable to noncontrolling interests	(8)	(8)	(16)	(15)
NET INCOME ATTRIBUTABLE TO PLAINS	292	378	821	609
NET INCOME ATTRIBUTABLE TO PLAINS:
LIMITED PARTNERS	197	303	631	465
GENERAL PARTNER	$ 95	$ 75	$ 190	$ 144
BASIC NET INCOME PER LIMITED PARTNER UNIT (in dollars per unit)	$ 0.58	$ 0.93	$ 1.85	$ 1.45
DILUTED NET INCOME PER LIMITED PARTNER UNIT (in dollars per unit)	$ 0.57	$ 0.93	$ 1.84	$ 1.44
BASIC WEIGHTED AVERAGE UNITS OUTSTANDING (in units)	340	323	338	319
DILUTED WEIGHTED AVERAGE UNITS OUTSTANDING (in units)	342	326	341	321