v3.26.1
Related Party Transactions - Summary of Outstanding Balances and Transactions with Related Parties (Detail) - PHP (₱)
₱ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure Of Transactions Between Related Parties [Line Items]      
Accrued expenses and other current liabilities ₱ 72,952 ₱ 85,488 ₱ 88,750
ROU assets 48,777 39,111 32,717
Lease liabilities - net of current portion 55,276 46,703 41,625
Current portion of lease liabilities 8,897 7,335 5,921
Repairs and maintenance 30,849 30,653 30,186
Rent 1,413 1,398 1,372
Depreciation and amortization 59,487 56,228 58,662
Accounts payable 56,379 66,722 81,014
Financing costs – net 18,168 15,500 13,755
Professional and other contracted services 7,521 7,878 9,077
Communication, training and travel 1,134 1,165 1,229
Prepayments and other nonfinancial assets 62,677 71,904  
Insurance and security services 1,402 1,408 1,344
Trade and other receivables 50,264 48,808  
Revenues 218,388 216,833 210,953
Expenses 168,040 166,346 170,259
Meralco      
Disclosure Of Transactions Between Related Parties [Line Items]      
Accounts payable and accrued expenses and other current liabilities 590 552  
ROU assets 1,974 2,600  
Lease liabilities - net of current portion 1,552 2,191  
Current portion of lease liabilities 645 565  
Repairs and maintenance 3,152 3,039 2,928
Depreciation and amortization ₱ 1,309 652 603
Meralco | ROU Assets [Member]      
Disclosure Of Transactions Between Related Parties [Line Items]      
Terms and Conditions Upon depreciation or expiration of lease    
Meralco | Accounts Payable And Accrued Expenses And Other Current Liabilities [Member]      
Disclosure Of Transactions Between Related Parties [Line Items]      
Terms and Conditions Immediately upon receipt of invoice    
Meralco | Lease Liabilities - Net of Current Portion [Member]      
Disclosure Of Transactions Between Related Parties [Line Items]      
Terms and Conditions 2025 – due after December 31, 2026; 2024 – due after December 31, 2025    
Meralco | Current Portion of Lease Liabilities [Member]      
Disclosure Of Transactions Between Related Parties [Line Items]      
Terms and Conditions 2025 – due after December 31, 2025; 2024 – due after December 31, 2024    
Meralco Industrial Engineering Services Corporation, or MIESCOR      
Disclosure Of Transactions Between Related Parties [Line Items]      
Accrued expenses and other current liabilities ₱ 47 26  
Repairs and maintenance ₱ 213 53 10
Terms and Conditions 30 days upon receipt of invoice    
NTT TC Leasing [Member]      
Disclosure Of Transactions Between Related Parties [Line Items]      
Terms and Conditions Non-amortizing, payable upon maturity on March 30, 2023    
Financing costs – net     19
NTT World Engineering Marine Corporation [Member]      
Disclosure Of Transactions Between Related Parties [Line Items]      
Accounts payable and accrued expenses and other current liabilities ₱ 217 256  
Repairs and maintenance ₱ 136 116 92
Terms and Conditions 1st month of each quarter; noninterest-bearing    
NTT TC Leasing One [Member]      
Disclosure Of Transactions Between Related Parties [Line Items]      
Terms and Conditions Non-amortizing, payable upon maturity on March 27, 2024    
Financing costs – net   26 96
NTT Worldwide Telecommunications Corporation [Member]      
Disclosure Of Transactions Between Related Parties [Line Items]      
Terms and Conditions 30 days upon receipt of invoice; noninterest-bearing    
Selling and promotions     1
NTT DOCOMO, Inc. [Member]      
Disclosure Of Transactions Between Related Parties [Line Items]      
Accrued expenses and other current liabilities ₱ 16 121  
Terms and Conditions 30 days upon receipt of invoice; noninterest-bearing    
Professional and other contracted services ₱ 122 125 105
N T T D O C O M O Business [Member]      
Disclosure Of Transactions Between Related Parties [Line Items]      
Accrued expenses and other current liabilities ₱ 29 115  
Terms and Conditions 30 days upon receipt of invoice; noninterest-bearing    
Professional and other contracted services ₱ 122 123 110
JGSHI and Subsidiaries [Member]      
Disclosure Of Transactions Between Related Parties [Line Items]      
Accounts payable and accrued expenses and other current liabilities 20 59  
Accrued expenses and other current liabilities 51 44  
ROU assets 4 4  
Repairs and maintenance 12 14 48
Rent ₱ 244 361 246
JGSHI and Subsidiaries [Member] | ROU Assets [Member]      
Disclosure Of Transactions Between Related Parties [Line Items]      
Terms and Conditions Upon depreciation or expiration of lease    
JGSHI and Subsidiaries [Member] | Accounts Payable And Accrued Expenses And Other Current Liabilities [Member]      
Disclosure Of Transactions Between Related Parties [Line Items]      
Terms and Conditions 1st month of each quarter; 30 days upon receipt of invoice; noninterest-bearing    
JGSHI and Subsidiaries [Member] | Accrued expenses and other current liabilities [member]      
Disclosure Of Transactions Between Related Parties [Line Items]      
Terms and Conditions 30 days upon receipt of invoice; noninterest-bearing    
Malayan [Member]      
Disclosure Of Transactions Between Related Parties [Line Items]      
Accounts payable and accrued expenses and other current liabilities ₱ 9 8  
Insurance and security services 171 209 261
Gotuaco [Member]      
Disclosure Of Transactions Between Related Parties [Line Items]      
Accounts payable and accrued expenses and other current liabilities   2  
Insurance and security services 116 133 142
FPIML [Member]      
Disclosure Of Transactions Between Related Parties [Line Items]      
Accounts payable and accrued expenses and other current liabilities 38    
Professional and other contracted services 127 163 149
Various [Member]      
Disclosure Of Transactions Between Related Parties [Line Items]      
Accrued expenses and other current liabilities 744 516  
ROU assets 907 308  
Lease liabilities - net of current portion 738 181  
Current portion of lease liabilities ₱ 243 97  
Terms and Conditions 30 days upon receipt of billing; noninterest-bearing    
Accounts payable ₱ 734 1,485  
Trade and other receivables 8,459 7,948  
Revenues 2,656 2,589 2,510
Expenses ₱ 4,355 ₱ 7,618 ₱ 4,433
Various [Member] | ROU Assets [Member]      
Disclosure Of Transactions Between Related Parties [Line Items]      
Terms and Conditions Upon depreciation or expiration of lease    
Various [Member] | Trade and Other Receivables [Member]      
Disclosure Of Transactions Between Related Parties [Line Items]      
Terms and Conditions 30 days upon receipt of invoice    
Various [Member] | Accrued expenses and other current liabilities [member]      
Disclosure Of Transactions Between Related Parties [Line Items]      
Terms and Conditions Immediately upon receipt of billing    
Various [Member] | Lease Liabilities - Net of Current Portion [Member]      
Disclosure Of Transactions Between Related Parties [Line Items]      
Terms and Conditions 2025 – due after December 31, 2026; 2024 – due after December 31, 2025    
Various [Member] | Current Portion of Lease Liabilities [Member]      
Disclosure Of Transactions Between Related Parties [Line Items]      
Terms and Conditions 2025 – due after December 31, 2025; 2024 – due after December 31, 2024