Income and Expenses - Summary of Cost of Sales and Services (Detail) - PHP (₱) ₱ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Analysis of income and expense [abstract]
Cost of mobile handsets, phone units, broadband data modems and devices	₱ 10,046	₱ 10,948	₱ 11,029
Cost of services	3,965	4,144	3,143
Total cost of sales and services	₱ 14,011	₱ 15,092	₱ 14,172

The amount of all expenses directly or indirectly attributed to the goods or services sold. Attributed expenses include, but are not limited to, costs previously included in the measurement of inventory that has now been sold, such as depreciation and maintenance of factory buildings and equipment used in the production process, unallocated production overheads, and abnormal amounts of production costs of inventories.

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