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The amount of liabilities related to the entity's leases. Lease is a contract, or part of a contract, that conveys the right to use an underlying asset for a period of time in exchange for consideration.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 16
-IssueDate 2019-01-01
-Paragraph 47
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2019-en-r&anchor=para_47_b&doctype=Standard
-URIDate 2019-03-27

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The weighted average lessee's incremental borrowing rate applied to lease liabilities recognised in the statement of financial position at the date of initial application of IFRS 16. The incremental borrowing rate is the rate of interest that a lessee would have to pay to borrow over a similar term, and with a similar security, the funds necessary to obtain an asset of a similar value to the right-of-use asset in a similar economic environment.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 16
-IssueDate 2019-01-01
-Paragraph C12
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2019-en-r&anchor=para_C12_a&doctype=Appendix&subtype=C
-URIDate 2019-03-27

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Leases, Lease Not yet Commenced, Amount

No definition available.

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Balance Type:	credit
Period Type:	instant

Leases, Non-Lease Components

No definition available.

Name:	pba_LeasesNonLeaseComponents
Namespace Prefix:	pba_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Leases, Renewal Options Reasonably Certain to be Exercised

No definition available.

Name:	pba_LeasesRenewalOptionsReasonablyCertaintobeExercised
Namespace Prefix:	pba_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Leases, Undiscounted Operating Lease Payments To Be Paid

No definition available.

Name:	pba_LeasesUndiscountedOperatingLeasePaymentsToBePaid
Namespace Prefix:	pba_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Lessee Operating Lease Liability Undiscounted Excess Amount1

No definition available.

Name:	pba_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount
Namespace Prefix:	pba_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Minimum Lease Payments Payable Under Non-cancellable Operating Lease1

No definition available.