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Net Income Per Common Unit - Impact of Allocating to IDRs (Details)	12 Months Ended
	Dec. 31, 2013 $ / shares
Impact on basic and diluted net income per common unit if undistributed earnings were allocated to IDRs
Basic net income per common unit impact	$ (0.20)
Diluted net income per common unit impact	$ (0.20)

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- References

No definition available.

+ 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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Namespace Prefix:	paa_
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Period Type:	duration

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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
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Period Type:	duration