v3.26.1
Income and Expenses - Summary of Revenues from Contracts with Customers (Detail) - PHP (₱)
₱ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Line Items]      
Total revenues from contracts with customers ₱ 218,388 ₱ 216,833 ₱ 210,953
Service Revenue [Member]      
Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Line Items]      
Total revenues from contracts with customers 212,186 208,382 201,832
Non-service Revenue [Member]      
Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Line Items]      
Total revenues from contracts with customers 6,202 8,451 9,121
Transferred over Time [Member]      
Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Line Items]      
Total revenues from contracts with customers 212,186 208,382 201,832
Transferred at a Point Time [Member]      
Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Line Items]      
Total revenues from contracts with customers 6,202 8,451 9,121
Elimination of intersegment amounts [Member]      
Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Line Items]      
Total revenues from contracts with customers (15,738) (15,391) (14,182)
Elimination of intersegment amounts [Member] | Service Revenue [Member]      
Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Line Items]      
Total revenues from contracts with customers (15,737) (15,391) (14,181)
Elimination of intersegment amounts [Member] | Non-service Revenue [Member]      
Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Line Items]      
Total revenues from contracts with customers (1)   (1)
Elimination of intersegment amounts [Member] | Transferred over Time [Member]      
Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Line Items]      
Total revenues from contracts with customers (15,737) (15,391) (14,181)
Elimination of intersegment amounts [Member] | Transferred at a Point Time [Member]      
Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Line Items]      
Total revenues from contracts with customers (1)   (1)
Wireless [Member] | Operating Segments [Member]      
Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Line Items]      
Total revenues from contracts with customers 103,316 105,734 104,401
Wireless [Member] | Operating Segments [Member] | Service Revenue [Member]      
Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Line Items]      
Total revenues from contracts with customers 97,568 97,779 95,677
Wireless [Member] | Operating Segments [Member] | Non-service Revenue [Member]      
Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Line Items]      
Total revenues from contracts with customers 5,748 7,955 8,724
Wireless [Member] | Operating Segments [Member] | Transferred over Time [Member]      
Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Line Items]      
Total revenues from contracts with customers 97,568 97,779 95,677
Wireless [Member] | Operating Segments [Member] | Transferred at a Point Time [Member]      
Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Line Items]      
Total revenues from contracts with customers 5,748 7,955 8,724
Fixed Line [Member] | Operating Segments [Member]      
Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Line Items]      
Total revenues from contracts with customers 130,810 126,490 120,734
Fixed Line [Member] | Operating Segments [Member] | Service Revenue [Member]      
Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Line Items]      
Total revenues from contracts with customers 130,355 125,994 120,336
Fixed Line [Member] | Operating Segments [Member] | Non-service Revenue [Member]      
Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Line Items]      
Total revenues from contracts with customers 455 496 398
Fixed Line [Member] | Operating Segments [Member] | Transferred over Time [Member]      
Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Line Items]      
Total revenues from contracts with customers 130,355 125,994 120,336
Fixed Line [Member] | Operating Segments [Member] | Transferred at a Point Time [Member]      
Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Line Items]      
Total revenues from contracts with customers ₱ 455 ₱ 496 ₱ 398