Income Taxes - Summary of Components of Net Deferred Income Tax Assets (Liabilities) (Parenthetical) (Detail) - PHP (₱) ₱ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Major components of tax expense (income) [abstract] | ||
| Deferred tax asset on lease liability | ₱ 15,731 | ₱ 13,234 |
| Deferred tax liability on right of use asset | ₱ 12,546 | ₱ 9,994 |