v3.26.1
Interest-bearing Financial Liabilities - Summary of Scheduled Maturities of Consolidated Outstanding Long-term and Short-term Debt at Nominal Values (Detail) - Dec. 31, 2025
₱ in Millions, $ in Millions
USD ($)
PHP (₱)
Disclosure Of Detailed Information About Borrowings [Line Items]    
Total long-term debt (Note 27)   ₱ 296,939
U.S. Dollars [Member]    
Disclosure Of Detailed Information About Borrowings [Line Items]    
Total long-term debt (Note 27) $ 670 39,389
Philippine Peso [Member]    
Disclosure Of Detailed Information About Borrowings [Line Items]    
Total long-term debt (Note 27)   257,550
2026    
Disclosure Of Detailed Information About Borrowings [Line Items]    
Total long-term debt (Note 27)   16,559
2026 | U.S. Dollars [Member]    
Disclosure Of Detailed Information About Borrowings [Line Items]    
Total long-term debt (Note 27) 14 823
2026 | Philippine Peso [Member]    
Disclosure Of Detailed Information About Borrowings [Line Items]    
Total long-term debt (Note 27)   15,736
2027    
Disclosure Of Detailed Information About Borrowings [Line Items]    
Total long-term debt (Note 27)   27,879
2027 | U.S. Dollars [Member]    
Disclosure Of Detailed Information About Borrowings [Line Items]    
Total long-term debt (Note 27) 14 823
2027 | Philippine Peso [Member]    
Disclosure Of Detailed Information About Borrowings [Line Items]    
Total long-term debt (Note 27)   27,056
2028 [Member]    
Disclosure Of Detailed Information About Borrowings [Line Items]    
Total long-term debt (Note 27)   21,673
2028 [Member] | U.S. Dollars [Member]    
Disclosure Of Detailed Information About Borrowings [Line Items]    
Total long-term debt (Note 27) 28 1,646
2028 [Member] | Philippine Peso [Member]    
Disclosure Of Detailed Information About Borrowings [Line Items]    
Total long-term debt (Note 27)   20,027
2029    
Disclosure Of Detailed Information About Borrowings [Line Items]    
Total long-term debt (Note 27)   26,662
2029 | Philippine Peso [Member]    
Disclosure Of Detailed Information About Borrowings [Line Items]    
Total long-term debt (Note 27)   26,662
2030    
Disclosure Of Detailed Information About Borrowings [Line Items]    
Total long-term debt (Note 27)   25,015
2030 | U.S. Dollars [Member]    
Disclosure Of Detailed Information About Borrowings [Line Items]    
Total long-term debt (Note 27) 14 823
2030 | Philippine Peso [Member]    
Disclosure Of Detailed Information About Borrowings [Line Items]    
Total long-term debt (Note 27)   24,192
More than five years [Member]    
Disclosure Of Detailed Information About Borrowings [Line Items]    
Total long-term debt (Note 27)   179,151
More than five years [Member] | U.S. Dollars [Member]    
Disclosure Of Detailed Information About Borrowings [Line Items]    
Total long-term debt (Note 27) $ 600 35,274
More than five years [Member] | Philippine Peso [Member]    
Disclosure Of Detailed Information About Borrowings [Line Items]    
Total long-term debt (Note 27)   ₱ 143,877