Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

No definition available.

+ Details

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- Definition

The amount of investment income, such as interest and dividends.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 26
-IssueDate 2019-01-01
-Paragraph 35
-Subparagraph b
-Clause iii
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=26&code=ifrs-tx-2019-en-r&anchor=para_35_b_iii&doctype=Standard
-URIDate 2019-03-27

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2019-01-01
-Paragraph 85
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_85&doctype=Standard
-URIDate 2019-03-27

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The amount of investments other than investments accounted for using the equity method. [Refer: Investments accounted for using equity method]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2019-01-01
-Paragraph 55
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_55&doctype=Standard
-URIDate 2019-03-27

+ Details

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

- Definition

Coupon rate.

+ References

No definition available.

+ Details

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Namespace Prefix:	phi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Details

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Namespace Prefix:
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Period Type:

- Details

Name:	ifrs-full_ClassesOfFinancialInstrumentsAxis=phi_SecurityBankThreePointFivePercentFiveYearTermDepositMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=phi_SmartCommunicationsIncMember
Namespace Prefix:
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- Details

Name:	dei_LegalEntityAxis=phi_PLDTIncMember
Namespace Prefix:
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Balance Type:
Period Type:

Debt Instruments at Amortized Cost - Additional Information (Detail) $ in Thousands, ₱ in Millions	12 Months Ended
	Dec. 31, 2019 PHP (₱)	Dec. 31, 2018 PHP (₱)	Dec. 31, 2018 USD ($)	May 31, 2013 USD ($)	Feb. 28, 2013 PHP (₱)
Disclosure of detailed information about financial instruments [Line Items]
Investment in debt securities and other long-term investments	₱ 150.0	₱ 150.0
Seven Year GT Capital Bond [Member]
Disclosure of detailed information about financial instruments [Line Items]
Investment in debt securities and other long-term investments	150.0	150.0
3.5% Security Bank Five Year Time Deposit [Member]
Disclosure of detailed information about financial instruments [Line Items]
Gross coupon rate				3.50%
Interest income, net of withholding tax		1.3	$ 25
Smart Communications, Inc. [Member] \| Seven Year GT Capital Bond [Member]
Disclosure of detailed information about financial instruments [Line Items]
Investment in debt securities and other long-term investments	150.0	150.0			₱ 150.0
Gross coupon rate					4.84%
Interest income, net of withholding tax	₱ 5.8	₱ 5.8
PLDT Inc. [Member] \| 3.5% Security Bank Five Year Time Deposit [Member]
Disclosure of detailed information about financial instruments [Line Items]
Investment in debt securities and other long-term investments \| $				$ 2,000