Financial Assets and Liabilities - Summary of Impact of Hedging Instruments (Detail) - Foreign currency exchange risk [Member] - Long Term Foreign Currency Options ₱ in Millions, $ in Millions |
12 Months Ended | |
|---|---|---|
|
Dec. 31, 2025
PHP (₱)
USD ($)
|
Dec. 31, 2024
PHP (₱)
USD ($)
|
|
| Disclosure Of Information About Terms And Conditions Of Hedging Instruments And How They Affect Future Cash Flows [Line Items] | ||
| Notional Amount | $ | 385 | 356 |
| Carrying Amount | ₱ | ₱ 617 | ₱ 385 |
| Line item in our Consolidated Statements of Financial Position | Derivative financial assets – net of current portion | Derivative financial assets – net of current portion |