v3.26.1
Financial Assets and Liabilities - Summary of Consolidated Carrying Values and Fair Values of Financial Assets and Liabilities (Detail) - PHP (₱)
₱ in Millions
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure of detailed information about financial instruments [Line Items]      
Debt instruments at amortized cost ₱ 350 ₱ 370 ₱ 395
Other financial assets – net of current portion 3,616 3,126 3,481
Long-term debt - net of current portion 278,868 258,246 243,152
Customers' deposits 1,262 2,046 ₱ 2,238
Carrying Value [Member]      
Disclosure of detailed information about financial instruments [Line Items]      
Debt instruments at amortized cost 350 370  
Other financial assets – net of current portion 3,616 3,126  
Total 3,966 3,496  
Long-term debt - net of current portion 278,868 258,246  
Customers' deposits 1,262 2,046  
Deferred credits and other noncurrent liabilities 1,583 90  
Total 281,713 260,382  
Fair Value [Member]      
Disclosure of detailed information about financial instruments [Line Items]      
Debt instruments at amortized cost 349 363  
Other financial assets – net of current portion 2,973 2,716  
Total 3,322 3,079  
Long-term debt - net of current portion 272,011 246,572  
Customers' deposits 837 1,311  
Deferred credits and other noncurrent liabilities 1,372 79  
Total ₱ 274,220 ₱ 247,962