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Commitments and Contingencies (Details) (Pemex Exploraciony Produccion (PEP))	Apr. 30, 2012 case
Pemex Exploraciony Produccion (PEP)
Loss Contingencies
Number of cases filed	2

X

- Definition

The total number of cases filed.

+ References

No definition available.

+ Details

Name:	paa_CasesFiledNumber
Namespace Prefix:	paa_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Details

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