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Commitments and Contingencies (Details) (SemCrude L.P.)	6 Months Ended
	Jun. 30, 2011 CourtActions
SemCrude L.P.
Loss Contingencies
Number of state court actions consolidated into one	14
Number of court actions in Federal Court in Texas	1

X

- Definition

The number of court actions in Federal Court.

+ Details

Name:	paa_NumberOfCourtActionsInFederalCourt
Namespace Prefix:	paa
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

This element represents the number of state court actions consolidated into one in Bankruptcy Court.

+ Details

Name:	paa_NumberOfStateCourtActionsConsolidatedIntoOne
Namespace Prefix:	paa
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ Details

Name:	us-gaap_LossContingenciesLineItems
Namespace Prefix:	us-gaap
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration