Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest).

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Partners' Capital and Distributions (Details 5) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
LTIP Vesting
LTIP unit vestings, fair value	$ 33	$ 23	$ 58	$ 23
Changes in the noncontrolling interests in partners' capital
Beginning balance			524
Net income attributable to noncontrolling interests	386	233	624	418
Equity compensation expense			14
Other comprehensive income/(loss):
Ending Balance	510		510
Noncontrolling Interests
Changes in the noncontrolling interests in partners' capital
Beginning balance			524	231
Sale of noncontrolling interest in a subsidiary				306
Net income attributable to noncontrolling interests			15	10
Distribution to noncontrolling interest			(24)	(16)
Equity compensation expense			1	2
Other comprehensive income/(loss):
Reclassification adjustments			(7)
Net deferred gain on cash flow hedges			1
Ending Balance	510	533	510	533
PAA Long-term Incentive Plan Awards
LTIP Vesting
Issuance of common units under LTIP (in units)			449,654
LTIP unit vestings, fair value			$ 34