Partners' Capital and Distributions - Income Allocation and Distributions to Unitholders (Details)	12 Months Ended
Dec. 31, 2023
Partners' Capital Notes [Abstract]
Net income allocation (as a percent)	100.00%
Number of days after end of quarter within which distributions must be paid to unitholders (in days)	45 days

The number of days after the end of the relevant quarter within which distributions of available cash must be paid to unitholders.

No definition available.

Name:	paa_NumberOfDaysRequiredForDistributionToUnitholdersAfterEndOfQuarter
Namespace Prefix:	paa_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration