Financial Assets and Liabilities - Summary of Maturity Profile of Financial Assets Based on Consolidated Undiscounted Claims Outstanding (Detail) - PHP (₱) ₱ in Millions	Dec. 31, 2025	Dec. 31, 2024
Disclosure Of Maturity Analysis For Financial Assets Held For Managing Liquidity Risk [Line Items]
Temporary cash investments (Note 28)	₱ 1,369	₱ 1,464
Short-term investments	20	25
Financial Asset [Member]
Disclosure Of Maturity Analysis For Financial Assets Held For Managing Liquidity Risk [Line Items]
Financial assets held for managing liquidity risk, Total	57,268	56,140
Financial Asset [Member] \| Financial instruments at amortized cost [Member]
Disclosure Of Maturity Analysis For Financial Assets Held For Managing Liquidity Risk [Line Items]
Financial instruments at amortized cost:	56,238	55,039
Debt instruments at amortized cost	370	395
Other financial assets	4,225	4,236
Temporary cash investments (Note 28)	1,369	1,464
Short-term investments	10	136
Retail subscribers	19,369	17,516
Corporate subscribers	21,373	20,936
Foreign administrations	1,615	1,254
Domestic carriers	208	256
Dealers, agents and others	7,699	8,846
Financial Asset [Member] \| Financial instruments at FVPL [Member]
Disclosure Of Maturity Analysis For Financial Assets Held For Managing Liquidity Risk [Line Items]
Financial instruments at FVPL:	1,030	1,101
Financial assets at fair value through profit or loss	1,030	1,101
Less than 1 year [Member] \| Financial Asset [Member]
Disclosure Of Maturity Analysis For Financial Assets Held For Managing Liquidity Risk [Line Items]
Financial assets held for managing liquidity risk, Total	52,002	51,264
Less than 1 year [Member] \| Financial Asset [Member] \| Financial instruments at amortized cost [Member]
Disclosure Of Maturity Analysis For Financial Assets Held For Managing Liquidity Risk [Line Items]
Financial instruments at amortized cost:	52,002	51,264
Debt instruments at amortized cost	20	25
Other financial assets	339	831
Temporary cash investments (Note 28)	1,369	1,464
Short-term investments	10	136
Retail subscribers	19,369	17,516
Corporate subscribers	21,373	20,936
Foreign administrations	1,615	1,254
Domestic carriers	208	256
Dealers, agents and others	7,699	8,846
1-3 years [Member] \| Financial Asset [Member]
Disclosure Of Maturity Analysis For Financial Assets Held For Managing Liquidity Risk [Line Items]
Financial assets held for managing liquidity risk, Total	4,005	3,608
1-3 years [Member] \| Financial Asset [Member] \| Financial instruments at amortized cost [Member]
Disclosure Of Maturity Analysis For Financial Assets Held For Managing Liquidity Risk [Line Items]
Financial instruments at amortized cost:	4,005	3,608
Debt instruments at amortized cost	340	360
Other financial assets	3,665	3,248
3-5 years [Member] \| Financial Asset [Member]
Disclosure Of Maturity Analysis For Financial Assets Held For Managing Liquidity Risk [Line Items]
Financial assets held for managing liquidity risk, Total	3	10
3-5 years [Member] \| Financial Asset [Member] \| Financial instruments at amortized cost [Member]
Disclosure Of Maturity Analysis For Financial Assets Held For Managing Liquidity Risk [Line Items]
Financial instruments at amortized cost:	3	10
Debt instruments at amortized cost	0	10
Other financial assets	3	0
Later than five years [member] \| Financial Asset [Member]
Disclosure Of Maturity Analysis For Financial Assets Held For Managing Liquidity Risk [Line Items]
Financial assets held for managing liquidity risk, Total	1,258	1,258
Later than five years [member] \| Financial Asset [Member] \| Financial instruments at amortized cost [Member]
Disclosure Of Maturity Analysis For Financial Assets Held For Managing Liquidity Risk [Line Items]
Financial instruments at amortized cost:	228	157
Debt instruments at amortized cost	10
Other financial assets	218	157
Later than five years [member] \| Financial Asset [Member] \| Financial instruments at FVPL [Member]
Disclosure Of Maturity Analysis For Financial Assets Held For Managing Liquidity Risk [Line Items]
Financial instruments at FVPL:	1,030	1,101
Financial assets at fair value through profit or loss	₱ 1,030	₱ 1,101

The amount of debt instruments, including instruments called debt securities, held by the entity that were issued by a corporate entity. [Refer: Debt instruments held]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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The amount of current investments.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

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The amount of financial assets that are measured at fair value and for which gains (losses) are recognised in profit or loss. A financial asset shall be measured at fair value through profit or loss unless it is measured at amortised cost or at fair value through other comprehensive income. A gain (loss) on a financial asset measured at fair value shall be recognised in profit or loss unless it is part of a hedging relationship, it is an investment in an equity instrument for which the entity has elected to present gains and losses in other comprehensive income or it is a financial asset measured at fair value through other comprehensive income. [Refer: At fair value [member]; Financial assets]

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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The amount of financial assets held for managing liquidity risk (for example, financial assets that are readily saleable or expected to generate cash inflows to meet cash outflows on financial liabilities). [Refer: Liquidity risk [member]; Financial assets; Financial liabilities]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
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-IssueDate 2025-01-01
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The amount of financial assets that the entity does not separately disclose in the same statement or note. [Refer: Financial assets]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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A classification of cash equivalents representing short-term investments. [Refer: Cash equivalents]

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Dealers agents and others .

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Debt instrument at amortization cost.

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Domestic Carriers

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Financial instruments at amortized costs.

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Financial instruments at fair value through profit or loss.

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Foreign administration.

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- Definition

Retail subscribers trade receivables.

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