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Net Income Per Limited Partner Unit (Details 2) (USD $)	3 Months Ended
	Mar. 31, 2014
Basic and Diluted Net Income per Limited Partner Unit
Basic net income per limited partner unit impact	$ (0.05)paa_PerUnitImpactToNetIncomeLossPerOutstandingLimitedPartnershipUnitBasic
Diluted net income per limited partner unit impact	$ (0.05)paa_PerUnitImpactToNetIncomeLossPerOutstandingLimitedPartnershipUnitDiluted

X

- Details

Name:	paa_NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicAndDilutedAbstract
Namespace Prefix:	paa_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The per unit impact on basic net income per limited partner unit in the event of allocation of undistributed earnings to incentive distribution rights holders.

+ References

No definition available.

+ Details

Name:	paa_PerUnitImpactToNetIncomeLossPerOutstandingLimitedPartnershipUnitBasic
Namespace Prefix:	paa_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The per unit impact on diluted net income per limited partner unit in the event of allocation of undistributed earnings to incentive distribution rights holders.

+ References

No definition available.

+ Details

Name:	paa_PerUnitImpactToNetIncomeLossPerOutstandingLimitedPartnershipUnitDiluted
Namespace Prefix:	paa_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration