v3.26.1
Financial Assets and Liabilities - Additional Information (Detail)
12 Months Ended
Apr. 27, 2026
PHP (₱)
Apr. 27, 2026
USD ($)
Aug. 02, 2016
Aug. 05, 2014
Dec. 31, 2025
PHP (₱)
USD ($)
Dec. 31, 2024
PHP (₱)
USD ($)
Dec. 31, 2023
PHP (₱)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Dec. 31, 2022
PHP (₱)
Disclosure Of Financial Liabilities [Line Items]                    
Financial instruments subject to enforceable master netting arrangement         ₱ 0 ₱ 0        
Transfers into of Level 3 of fair value hierarchy, investment properties         0 0        
Transfers out of Level 3 of fair value hierarchy, investment properties         0 0        
Financial liabilities fair value transfer into Level 3         0 0        
Financial liabilities fair value transfer out of Level 3         0 0        
Cash and cash equivalents         11,866,000,000 10,011,000,000 ₱ 16,177,000,000     ₱ 25,211,000,000
Short-term investments         10,000,000 136,000,000 391,000,000      
Remaining commitment         19,700,000,000 15,900,000,000        
Commitments related to non-major capital expenditure vendors         16,900,000,000 11,200,000,000        
Pledges as collateral         ₱ 0 0        
Exchange rate         1          
Net foreign exchange loss         ₱ 550,000,000 36,000,000 1,149,000,000      
Percentage of increase or decrease in value of currency         2.06%          
Net foreign exchange gain /loss on equity instrument         ₱ 32,000,000          
Consolidated variable rate debt         198,347,000,000 166,675,000,000        
Foreign exchange gains (losses) - net         (550,000,000) ₱ (36,000,000) ₱ 1,153,000,000      
Decrease in dividend payout     60.00%              
Philippine Peso [Member]                    
Disclosure Of Financial Liabilities [Line Items]                    
Increase decrease in profit after tax         ₱ 858,000,000          
Bottom of range [member]                    
Disclosure Of Financial Liabilities [Line Items]                    
Dividend Pay Out Rate       70.00%            
Top of range [member]                    
Disclosure Of Financial Liabilities [Line Items]                    
Dividend Pay Out Rate       75.00%            
Floating Interest Rate [Member]                    
Disclosure Of Financial Liabilities [Line Items]                    
Percentage of consolidated debts with variable rates         67.00% 59.00%   67.00% 59.00%  
Foreign currency exchange risk [Member]                    
Disclosure Of Financial Liabilities [Line Items]                    
Exchange rate         1 1        
Increase in consolidated foreign currency-denominated financial liabilities         ₱ 2,393,000,000          
Percentage of consolidated debts         13.00% 14.00%        
Decrease in consolidated foreign currency-denominated debt         ₱ 38,879,000,000 ₱ 39,015,000,000        
Percentage of consolidated debts unhedged         6.00%     6.00%    
Percentage of consolidated debts unhedged net of cash allocated for debt           5.00%     5.00%  
Percentage of consolidated revenues denominated in U.S. dollars         15.00% 15.00% 13.00% 15.00% 15.00%  
Percentage of consolidated expenses denominated in U.S. dollars         15.00% 14.00% 12.00% 15.00% 14.00%  
Decrease in value of currency         1.63%     1.63%    
Foreign currency exchange risk [Member] | Exchange Rate [Member]                    
Disclosure Of Financial Liabilities [Line Items]                    
Exchange rate 60.68 1                
Interest rate risk [member]                    
Disclosure Of Financial Liabilities [Line Items]                    
Borrowings, interest rate basis         30          
Percentage of exchange rate weaken/strengthen         90.00%          
Interest rate risk [member] | U.S. Dollars [Member]                    
Disclosure Of Financial Liabilities [Line Items]                    
Borrowings, interest rate basis         30          
Increase decrease in profit after tax due to interest rate effect         ₱ 1,000,000          
Change in stockholders' equity due to interest rate effect         ₱ 31,000,000          
Interest rate risk [member] | Philippine Peso [Member]                    
Disclosure Of Financial Liabilities [Line Items]                    
Borrowings, interest rate basis         90          
Increase decrease in profit after tax due to interest rate effect         ₱ 46,000,000          
Change in stockholders' equity due to interest rate effect         63,000,000          
Derivatives [Member] | Foreign currency exchange risk [Member]                    
Disclosure Of Financial Liabilities [Line Items]                    
Aggregate notional amount | $               $ 345,000,000 $ 381,000,000  
Less than 1 year [Member]                    
Disclosure Of Financial Liabilities [Line Items]                    
Outstanding commercial commitments in the form of letters of credit         0 ₱ 0        
Other obligations [Member]                    
Disclosure Of Financial Liabilities [Line Items]                    
Various Trade And Other Obligations         ₱ 116,304,000,000 ₱ 133,811,000,000