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Goodwill and Intangible Assets - Additional Information (Detail) - PHP (₱)
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Wireless [Member]      
Disclosure Of Intangible Assets [Line Items]      
Pre-tax discount rates applied to cash flow projections     9.01%
Growth rate of cash flows beyond the projection of three years     2.40%
Impairment loss relating to goodwill ₱ 0 ₱ 0  
Fixed Line [Member]      
Disclosure Of Intangible Assets [Line Items]      
Pre-tax discount rates applied to cash flow projections     9.01%
Growth rate of cash flows beyond the projection of three years     2.40%
Impairment loss relating to goodwill ₱ 0 ₱ 0