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Net Income Per Limited Partner Unit (Details 2) (USD $)	6 Months Ended
	Jun. 30, 2013
Basic and Diluted Net Income per Limited Partner Unit
Basic net income per limited partner unit impact (in dollars per unit)	$ (0.33)
Diluted net income per limited partner unit impact (in dollars per unit)	$ (0.33)

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- Details

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Period Type:	duration

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- 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

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- 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

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