Interest-bearing Financial Liabilities - Summary of Changes to Unamortized Debt Discount (Detail) - PHP (₱) ₱ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Disclosure of detailed information about borrowings [abstract] | ||
| Unamortized debt discount at beginning of the year | ₱ 1,989 | ₱ 2,129 |
| Additions | 271 | 219 |
| Revaluations | 3 | 9 |
| Accretion included as part of financing costs - net | (372) | (368) |
| Unamortized debt discount at end of the year | ₱ 1,891 | ₱ 1,989 |