Leases - Schedule of Rentals Receivable Under Non-cancellable Operating Leases (Details) - PHP (₱) ₱ in Millions	Dec. 31, 2021	Dec. 31, 2020
Disclosure Of Maturity Analysis Of Operating Lease Payments [Line Items]
Rentals receivable under non-cancellable operating leases	₱ 51	₱ 58
Less than 1 year [Member]
Disclosure Of Maturity Analysis Of Operating Lease Payments [Line Items]
Rentals receivable under non-cancellable operating leases	₱ 51	₱ 58

The amount of undiscounted operating lease payments to be received. Operating lease is a lease that does not transfer substantially all the risks and rewards incidental to ownership of an underlying asset.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 16
-IssueDate 2021-01-01
-Paragraph 97
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2021-en-r&anchor=para_97&doctype=Standard
-URIDate 2021-03-24

Name:	ifrs-full_UndiscountedOperatingLeasePaymentsToBeReceived
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant