v3.26.1
Financial Assets and Liabilities - Summary of Information Regarding Credit Quality by 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]    
Total assets ₱ 49,418 ₱ 47,627
Financial Assets Neither Past Due Nor Impaired [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 37,087 33,171
Impaired [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 19,167 17,475
Costs [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 68,585 65,102
Costs [Member] | Financial Assets Neither Past Due Nor Impaired [Member] | Class A    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 27,952 27,240
Costs [Member] | Financial Assets Neither Past Due Nor Impaired [Member] | Class B    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 9,135 5,931
Costs [Member] | Financial assets past due but not impaired [member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 12,331 14,456
Costs [Member] | Impaired [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 19,167 17,475
Costs [Member] | Financial assets at amortised cost, category [member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 66,735 63,586
Costs [Member] | Financial assets at amortised cost, category [member] | Class A    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 26,108 25,729
Costs [Member] | Financial assets at amortised cost, category [member] | Class B    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 9,129 5,926
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]    
Total assets 370 395
Costs [Member] | Financial assets at amortised cost, category [member] | Debt Instruments at Amortized Cost [Member] | Class A    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 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]    
Total assets 4,225 4,236
Costs [Member] | Financial assets at amortised cost, category [member] | Other Financial Assets [Member] | Class A    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 3,617 3,956
Costs [Member] | Financial assets at amortised cost, category [member] | Other Financial Assets [Member] | Class B    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 332 1
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]    
Total assets 11,866 10,011
Costs [Member] | Financial assets at amortised cost, category [member] | Cash and Cash Equivalent [member] | Class A    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 10,983 9,572
Costs [Member] | Financial assets at amortised cost, category [member] | Cash and Cash Equivalent [member] | Class B    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 883 439
Costs [Member] | Financial assets at amortised cost, category [member] | Short Term Investments1    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 10 136
Costs [Member] | Financial assets at amortised cost, category [member] | Short Term Investments1 | Class A    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 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]    
Total assets 19,369 17,516
Costs [Member] | Financial assets at amortised cost, category [member] | Retail subscribers [Member] | Class A    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 5,472 5,381
Costs [Member] | Financial assets at amortised cost, category [member] | Retail subscribers [Member] | Class B    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 256 171
Costs [Member] | Financial assets at amortised cost, category [member] | Corporate subscribers [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 21,373 20,936
Costs [Member] | Financial assets at amortised cost, category [member] | Corporate subscribers [Member] | Class A    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 4,412 5,124
Costs [Member] | Financial assets at amortised cost, category [member] | Corporate subscribers [Member] | Class B    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 3,404 886
Costs [Member] | Financial assets at amortised cost, category [member] | Foreign administrations [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 1,615 1,254
Costs [Member] | Financial assets at amortised cost, category [member] | Foreign administrations [Member] | Class A    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 117 139
Costs [Member] | Financial assets at amortised cost, category [member] | Foreign administrations [Member] | Class B    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 482 381
Costs [Member] | Financial assets at amortised cost, category [member] | Domestic carriers [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 208 256
Costs [Member] | Financial assets at amortised cost, category [member] | Domestic carriers [Member] | Class B    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 137 135
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]    
Total assets 7,699 8,846
Costs [Member] | Financial assets at amortised cost, category [member] | Dealers agents and others [Member] | Class A    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 1,127 1,026
Costs [Member] | Financial assets at amortised cost, category [member] | Dealers agents and others [Member] | Class B    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 3,635 3,913
Costs [Member] | Financial assets at amortised cost, category [member] | Financial assets past due but not impaired [member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 12,331 14,456
Costs [Member] | Financial assets at amortised cost, category [member] | Financial assets past due but not impaired [member] | Other Financial Assets [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 6  
Costs [Member] | Financial assets at amortised cost, category [member] | Financial assets past due but not impaired [member] | Retail subscribers [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 2,389 2,098
Costs [Member] | Financial assets at amortised cost, category [member] | Financial assets past due but not impaired [member] | Corporate subscribers [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 6,868 9,013
Costs [Member] | Financial assets at amortised cost, category [member] | Financial assets past due but not impaired [member] | Foreign administrations [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 932 657
Costs [Member] | Financial assets at amortised cost, category [member] | Financial assets past due but not impaired [member] | Domestic carriers [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 71 121
Costs [Member] | Financial assets at amortised cost, category [member] | Financial assets past due but not impaired [member] | Dealers agents and others [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 2,065 2,567
Costs [Member] | Financial assets at amortised cost, category [member] | Impaired [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 19,167 17,475
Costs [Member] | Financial assets at amortised cost, category [member] | Impaired [Member] | Other Financial Assets [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 270 279
Costs [Member] | Financial assets at amortised cost, category [member] | Impaired [Member] | Retail subscribers [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 11,252 9,866
Costs [Member] | Financial assets at amortised cost, category [member] | Impaired [Member] | Corporate subscribers [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 6,689 5,913
Costs [Member] | Financial assets at amortised cost, category [member] | Impaired [Member] | Foreign administrations [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 84 77
Costs [Member] | Financial assets at amortised cost, category [member] | Impaired [Member] | Domestic carriers [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 0  
Costs [Member] | Financial assets at amortised cost, category [member] | Impaired [Member] | Dealers agents and others [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 872 1,340
Costs [Member] | financial assets at FVPL [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 1,233 1,131
Costs [Member] | financial assets at FVPL [Member] | Class A    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 1,227 1,126
Costs [Member] | financial assets at FVPL [Member] | Class B    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 6 5
Costs [Member] | financial assets at FVPL [Member] | Forward Foreign Exchange Contracts [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 203 30
Costs [Member] | financial assets at FVPL [Member] | Forward Foreign Exchange Contracts [Member] | Class A    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 203 30
Costs [Member] | financial assets at FVPL [Member] | Financial Assets at FVPL    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 1,030 1,101
Costs [Member] | financial assets at FVPL [Member] | Financial Assets at FVPL | Class A    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 1,024 1,096
Costs [Member] | financial assets at FVPL [Member] | Financial Assets at FVPL | Class B    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 6 5
Costs [Member] | financial assets at FVPL [Member] | Impaired [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 0  
Costs [Member] | Derivatives used for hedging [Member]    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 617 385
Costs [Member] | Derivatives used for hedging [Member] | Class A    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets 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]    
Total assets 617 385
Costs [Member] | Derivatives used for hedging [Member] | Long Term Foreign Currency Options | Class A    
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items]    
Total assets ₱ 617 ₱ 385