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Investments in Associates and Joint Ventures - Investment in PG1 - Additional Information (Detail) - PHP (₱)
₱ in Millions
1 Months Ended 12 Months Ended
Aug. 12, 2022
Jul. 29, 2022
Feb. 28, 2022
Aug. 31, 2022
Dec. 31, 2023
Dec. 31, 2022
Disclosure Of Investments In Associates And Joint Ventures [Line Items]            
Consideration paid (received)   ₱ 100.0   ₱ 136.0    
PG1 [Member]            
Disclosure Of Investments In Associates And Joint Ventures [Line Items]            
Carrying value of investment in subsidiaries         ₱ 0.0 ₱ 0.0
Excess of equity share in net losses         ₱ 0.0 ₱ 3.0
PG1 [Member] | Top of range [member]            
Disclosure Of Investments In Associates And Joint Ventures [Line Items]            
Consideration paid (received)     ₱ 44.7      
Percentage of ownership 36.63%   65.30%      
PG1 [Member] | Bottom of range [member]            
Disclosure Of Investments In Associates And Joint Ventures [Line Items]            
Percentage of ownership 36.82%   47.60%