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Investments in Associates and Joint Ventures - Changes in Accumulated Impairment Losses (Detail) - PHP (₱)
₱ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Disclosure of Investments in Associates and Joint Ventures [Line Items]      
Balances at beginning of the year ₱ 50,308    
Additions during the year 3,770 ₱ 1,636 ₱ 3,514
Balances at end of the year 52,764 50,308  
Fixed asset impairment [Member]      
Disclosure of Investments in Associates and Joint Ventures [Line Items]      
Balances at beginning of the year 2,875 2,805  
Additions during the year   70  
Adjustments (112)    
Balances at end of the year ₱ 2,763 ₱ 2,875 ₱ 2,805