Property and Equipment - Additional Information (Detail) - PHP (₱) ₱ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disclosure Of Property Plant And Equipment [Abstract]
Interest capitalized to property and equipment	₱ 1,582	₱ 1,597	₱ 1,455
Average interest capitalization rate	4.00%	5.00%	5.00%
Net foreign exchange differences qualified as borrowing costs	₱ 29
Cost of fully depreciated property and equipment that are still being used	₱ 77,201	₱ 73,995

The weighted average of interest and other costs that an entity incurs in connection with the borrowing of funds applicable to the borrowings of the entity that are outstanding during the period, other than borrowings made specifically for the purpose of obtaining a qualifying asset. [Refer: Weighted average [member]; Borrowings]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 23
-IssueDate 2021-01-01
-Paragraph 26
-Subparagraph b
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-URIDate 2021-03-24

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- References

No definition available.

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- Definition

The amount of interest costs that an entity incurs in connection with the borrowing of funds that are directly attributable to the acquisition, construction or production of a qualifying asset and which form part of the cost of that asset.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2021-01-01
-Paragraph 112
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_112_c&doctype=Standard
-URIDate 2021-03-24

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- Definition

The gross carrying amount of fully depreciated property, plant and equipment that is still in use. [Refer: Gross carrying amount [member]; Property, plant and equipment]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 16
-IssueDate 2021-01-01
-Paragraph 79
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_79_b&doctype=Standard
-URIDate 2021-03-24

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- Definition

Net foreign exchange differences qualified as borrowing costs.

+ References

No definition available.

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