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Revenues and Accounts Receivable - Narrative (Details)	9 Months Ended	12 Months Ended
	Sep. 30, 2022	Dec. 31, 2021
Revenue from Contract with Customer [Abstract]
Substantially all trade accounts receivable, net, maximum age of balances past their invoice date	30 days	30 days

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- Definition

The maximum number of days past their invoice date for substantially all of the trade accounts receivable.

+ References

No definition available.

+ Details

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

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- References

No definition available.

+ Details

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