v3.26.1
Financial Assets and Liabilities - Summary of Aging Analysis of Past Due But not Impaired Class of Financial Assets (Detail) - PHP (₱)
₱ in Millions
Dec. 31, 2025
Dec. 31, 2024
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments ₱ 49,418 ₱ 47,627
Financial assets at amortised cost, category [member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 47,568 46,111
Financial instrument at fair value through profit or loss    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 1,233 1,131
Derivatives used for hedging [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 617 385
Costs [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 68,585 65,102
Costs [Member] | Financial assets at amortised cost, category [member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 66,735 63,586
Costs [Member] | Financial assets at amortised cost, category [member] | Debt Instruments at Amortized Cost [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 370 395
Costs [Member] | Financial assets at amortised cost, category [member] | Other Financial Assets [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 4,225 4,236
Costs [Member] | Financial assets at amortised cost, category [member] | Cash and Cash Equivalent [member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 11,866 10,011
Costs [Member] | Financial assets at amortised cost, category [member] | Short Term Investments1    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 10 136
Costs [Member] | Financial assets at amortised cost, category [member] | Retail subscribers [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 19,369 17,516
Costs [Member] | Financial assets at amortised cost, category [member] | Corporate subscribers [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 21,373 20,936
Costs [Member] | Financial assets at amortised cost, category [member] | Foreign administrations [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 1,615 1,254
Costs [Member] | Financial assets at amortised cost, category [member] | Domestic carriers [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 208 256
Costs [Member] | Financial assets at amortised cost, category [member] | Dealers agents and others [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 7,699 8,846
Costs [Member] | Financial instrument at fair value through profit or loss    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 1,233 1,131
Costs [Member] | Financial instrument at fair value through profit or loss | Financial Assets at FVPL    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 1,030 1,101
Costs [Member] | Financial instrument at fair value through profit or loss | Forward Foreign Exchange Contracts [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 203 30
Costs [Member] | Derivatives used for hedging [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 617 385
Costs [Member] | Derivatives used for hedging [Member] | Long Term Foreign Currency Options    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 617 385
Financial Assets Neither Past Due Nor Impaired [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 37,087 33,171
Financial Assets Neither Past Due Nor Impaired [Member] | Financial assets at amortised cost, category [member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 35,237 31,655
Financial Assets Neither Past Due Nor Impaired [Member] | Financial assets at amortised cost, category [member] | Debt Instruments at Amortized Cost [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 370 395
Financial Assets Neither Past Due Nor Impaired [Member] | Financial assets at amortised cost, category [member] | Other Financial Assets [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 3,949 3,957
Financial Assets Neither Past Due Nor Impaired [Member] | Financial assets at amortised cost, category [member] | Cash and Cash Equivalent [member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 11,866 10,011
Financial Assets Neither Past Due Nor Impaired [Member] | Financial assets at amortised cost, category [member] | Short Term Investments1    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 10 136
Financial Assets Neither Past Due Nor Impaired [Member] | Financial assets at amortised cost, category [member] | Retail subscribers [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 5,728 5,552
Financial Assets Neither Past Due Nor Impaired [Member] | Financial assets at amortised cost, category [member] | Corporate subscribers [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 7,816 6,010
Financial Assets Neither Past Due Nor Impaired [Member] | Financial assets at amortised cost, category [member] | Foreign administrations [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 599 520
Financial Assets Neither Past Due Nor Impaired [Member] | Financial assets at amortised cost, category [member] | Domestic carriers [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 137 135
Financial Assets Neither Past Due Nor Impaired [Member] | Financial assets at amortised cost, category [member] | Dealers agents and others [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 4,762 4,939
Financial Assets Neither Past Due Nor Impaired [Member] | Financial instrument at fair value through profit or loss    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 1,233 1,131
Financial Assets Neither Past Due Nor Impaired [Member] | Financial instrument at fair value through profit or loss | Financial Assets at FVPL    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 1,030 1,101
Financial Assets Neither Past Due Nor Impaired [Member] | Financial instrument at fair value through profit or loss | Forward Foreign Exchange Contracts [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 203 30
Financial Assets Neither Past Due Nor Impaired [Member] | Derivatives used for hedging [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 617 385
Financial Assets Neither Past Due Nor Impaired [Member] | Derivatives used for hedging [Member] | Long Term Foreign Currency Options    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 617 385
Financial assets past due but not impaired [member] | Costs [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 12,331 14,456
Financial assets past due but not impaired [member] | One to sixty days [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 3,695 5,927
Financial assets past due but not impaired [member] | One to sixty days [Member] | Financial assets at amortised cost, category [member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 3,695 5,927
Financial assets past due but not impaired [member] | One to sixty days [Member] | Financial assets at amortised cost, category [member] | Retail subscribers [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 2,028 1,710
Financial assets past due but not impaired [member] | One to sixty days [Member] | Financial assets at amortised cost, category [member] | Corporate subscribers [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 1,315 3,182
Financial assets past due but not impaired [member] | One to sixty days [Member] | Financial assets at amortised cost, category [member] | Foreign administrations [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 269 232
Financial assets past due but not impaired [member] | One to sixty days [Member] | Financial assets at amortised cost, category [member] | Domestic carriers [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 57 73
Financial assets past due but not impaired [member] | One to sixty days [Member] | Financial assets at amortised cost, category [member] | Dealers agents and others [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 26 730
Financial assets past due but not impaired [member] | Later than two months and not later than three months [member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 1,275 586
Financial assets past due but not impaired [member] | Later than two months and not later than three months [member] | Financial assets at amortised cost, category [member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 1,275 586
Financial assets past due but not impaired [member] | Later than two months and not later than three months [member] | Financial assets at amortised cost, category [member] | Retail subscribers [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 326 248
Financial assets past due but not impaired [member] | Later than two months and not later than three months [member] | Financial assets at amortised cost, category [member] | Corporate subscribers [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 788 548
Financial assets past due but not impaired [member] | Later than two months and not later than three months [member] | Financial assets at amortised cost, category [member] | Foreign administrations [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 138 158
Financial assets past due but not impaired [member] | Later than two months and not later than three months [member] | Financial assets at amortised cost, category [member] | Domestic carriers [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 9 17
Financial assets past due but not impaired [member] | Later than two months and not later than three months [member] | Financial assets at amortised cost, category [member] | Dealers agents and others [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 14 (385)
Financial assets past due but not impaired [member] | Later than three months [member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 7,361 7,943
Financial assets past due but not impaired [member] | Later than three months [member] | Financial assets at amortised cost, category [member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 7,361 7,943
Financial assets past due but not impaired [member] | Later than three months [member] | Financial assets at amortised cost, category [member] | Other Financial Assets [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 6  
Financial assets past due but not impaired [member] | Later than three months [member] | Financial assets at amortised cost, category [member] | Retail subscribers [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 35 140
Financial assets past due but not impaired [member] | Later than three months [member] | Financial assets at amortised cost, category [member] | Corporate subscribers [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 4,765 5,283
Financial assets past due but not impaired [member] | Later than three months [member] | Financial assets at amortised cost, category [member] | Foreign administrations [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 525 267
Financial assets past due but not impaired [member] | Later than three months [member] | Financial assets at amortised cost, category [member] | Domestic carriers [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 5 31
Financial assets past due but not impaired [member] | Later than three months [member] | Financial assets at amortised cost, category [member] | Dealers agents and others [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 2,025 2,222
Impaired [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 19,167 17,475
Impaired [Member] | Financial assets at amortised cost, category [member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 19,167 17,475
Impaired [Member] | Financial assets at amortised cost, category [member] | Other Financial Assets [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 270 279
Impaired [Member] | Financial assets at amortised cost, category [member] | Retail subscribers [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 11,252 9,866
Impaired [Member] | Financial assets at amortised cost, category [member] | Corporate subscribers [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 6,689 5,913
Impaired [Member] | Financial assets at amortised cost, category [member] | Foreign administrations [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 84 77
Impaired [Member] | Financial assets at amortised cost, category [member] | Domestic carriers [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 0  
Impaired [Member] | Financial assets at amortised cost, category [member] | Dealers agents and others [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 872 1,340
Impaired [Member] | Financial instrument at fair value through profit or loss    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments 0  
Impaired [Member] | Costs [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Financial instruments ₱ 19,167 ₱ 17,475