v3.26.1
Equity - Additional Information (Detail) - PHP (₱)
₱ / shares in Units, ₱ in Thousands
 1 Months Ended 12 Months Ended
Nov. 05, 2013
Oct. 12, 2012
Jun. 05, 2012
Sep. 23, 2011
Nov. 30, 2010
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Mar. 06, 2024
Mar. 03, 2024
Jan. 20, 2022
Mar. 06, 2017
Mar. 03, 2017
Jan. 26, 2016
Jun. 08, 2015
Jun. 15, 2013
Jun. 14, 2013
Oct. 16, 2012
May 08, 2012
Disclosure Of Classes Of Share Capital [Line Items]                                      
Number of shares issued           1,093,000,000 1,093,000,000                        
Number of shares outstanding           1,093,000,000 1,093,000,000                        
Payments on redemption of preferred shares             ₱ 13 ₱ 354                      
Number of shares approved to buyback in share buyback program           5,000,000                          
Percentage of ownership interest approved to buyback in share buyback program           3.00%                          
Number of shares buyback pursuant to share buyback Program         2,720,000                            
Weighted average price per share pursuant to share buyback program         ₱ 2,388                            
Total consideration pursuant to share buyback program         ₱ 6,505,000                            
Distributions paid           ₱ 20,659,000 20,850,000 23,418,000                      
Consolidated unappropriated retained earnings available for dividends           24,655,000                          
Perpetual notes facility agreement [Member] | Smart [Member]                                      
Disclosure Of Classes Of Share Capital [Line Items]                                      
Perpetual notes issued                       ₱ 1,590,000 ₱ 2,610,000            
Perpetual notes redeemed                 ₱ 1,590,000 ₱ 2,610,000                  
Perpetual notes facility agreement [Member] | Smart [Member] | Notes Facility Agreement March 2017 [Member]                                      
Disclosure Of Classes Of Share Capital [Line Items]                                      
Transaction costs accounted as deduction           34,000                          
Distributions paid             59,000 236,000                      
Accrued expenses and other current liabilities [member]                                      
Disclosure Of Classes Of Share Capital [Line Items]                                      
Liability from redemption of preferred shares           ₱ 0 ₱ 0                        
Beneficial Trust Fund Holdings Inc. [Member]                                      
Disclosure Of Classes Of Share Capital [Line Items]                                      
Number of shares issued                                   150,000,000  
Series JJ 10% Cumulative Convertible Preferred Stock [Member]                                      
Disclosure Of Classes Of Share Capital [Line Items]                                      
Redemption and Retirement of Shares           0 0                        
Cumulative dividends annual rate 10.00%                                    
Number of shares authorized 50,000                                    
Number of shares issued                             870        
Period required for redemption of shares after issuance           5 years                          
Series KK 10% Cumulative Convertible Preferred Stock [Member]                                      
Disclosure Of Classes Of Share Capital [Line Items]                                      
Number of shares authorized                           20,000          
Period required for redemption of shares after issuance           5 years                          
Series IV Cumulative Non-Convertible Redeemable Preferred Stock [Member]                                      
Disclosure Of Classes Of Share Capital [Line Items]                                      
Cumulative dividends annual rate           13.50%                          
Number of shares issued           300,000,000                          
Shares issued           ₱ 360,000                          
Subscription payable           2,640,000 ₱ 2,640,000                        
Initial capitalization amount           ₱ 3,000,000                          
Voting Preferred Stock [Member]                                      
Disclosure Of Classes Of Share Capital [Line Items]                                      
Cumulative dividends annual rate   6.50%                                  
Number of shares authorized     150,000,000     150,000,000 150,000,000                        
Number of shares issued           150,000,000 150,000,000                        
Number of shares outstanding           150,000,000 150,000,000                        
Par value     ₱ 1     ₱ 1 ₱ 1                        
Minimum capital stock percentage required to own by citizens of Philippines     60.00%                                
Minimum percentage of number of board of directors to be citizens of Philippines     60.00%                                
Minimum percentage of funds to accrue to the benefit of citizens of the Philippines, or Qualified Owners     60.00%                                
Initial capitalization amount           ₱ 150,000 ₱ 150,000 150,000                      
Voting Preferred Stock [Member] | Beneficial Trust Fund Holdings Inc. [Member]                                      
Disclosure Of Classes Of Share Capital [Line Items]                                      
Par value                                   ₱ 1  
Initial capitalization amount                                   ₱ 150,000  
Voting Preferred Stock [Member] | NTT Group [Member]                                      
Disclosure Of Classes Of Share Capital [Line Items]                                      
Percentage of economic and voting interest held by strategic partner           12.01%                          
Voting Preferred Stock [Member] | First Pacific Group and Philippine Affiliates [Member]                                      
Disclosure Of Classes Of Share Capital [Line Items]                                      
Percentage of economic and voting interest held by strategic partner           15.09%                          
Voting Preferred Stock [Member] | JG Summit Group [Member]                                      
Disclosure Of Classes Of Share Capital [Line Items]                                      
Percentage of economic and voting interest held by strategic partner           6.65%                          
Non-voting Serial Preferred Stock [Member]                                      
Disclosure Of Classes Of Share Capital [Line Items]                                      
Number of shares authorized     807,500,000     388,000,000 388,000,000                 388,000,000 807,500,000    
Number of shares issued [1]           300,000,000 300,000,000                        
Number of shares outstanding [1]           300,000,000 300,000,000                        
Par value     ₱ 10     ₱ 10 ₱ 10                        
Initial capitalization amount           ₱ 360,000 ₱ 360,000 360,000                      
Series A to FF 10% Cumulative Convertible Preferred Stock [Member]                                      
Disclosure Of Classes Of Share Capital [Line Items]                                      
Cumulative dividends annual rate       10.00%                              
Series G G Ten Percent Cumulative Convertible Preferred Stock                                      
Disclosure Of Classes Of Share Capital [Line Items]                                      
Funds set aside for redemption of shares                                     ₱ 236
Amount of unclaimed dividends                                     ₱ 74
Series II 10% Percent Cumulative Convertible Preferred Stock [Member]                                      
Disclosure Of Classes Of Share Capital [Line Items]                                      
Funds set aside for redemption of shares                           ₱ 4          
Series A to FF Cumulative Convertible Preferred Stock [member] | Events After Reporting Period [member]                                      
Disclosure Of Classes Of Share Capital [Line Items]                                      
Liability from redemption of preferred shares                     ₱ 7,839,000                
Series A to JJ 10% Cumulative Convertible Preferred Stock [Member]                                      
Disclosure Of Classes Of Share Capital [Line Items]                                      
Holding period for redemption trust fund       10 years                              
Common Stock [Member]                                      
Disclosure Of Classes Of Share Capital [Line Items]                                      
Number of shares authorized           234,000,000 234,000,000                        
Number of shares issued           219,000,000 219,000,000                        
Number of shares outstanding           216,000,000 216,000,000                        
Par value           ₱ 5 ₱ 5                        
Initial capitalization amount           ₱ 1,093,000 ₱ 1,093,000 ₱ 1,093,000                      
[1] 300 million shares of Series IV Cumulative Non-Convertible Redeemable Preferred Stock subscribed for Php3 billion, of which Php360 million has
been paid and with subscription payable amounting to Php2,640 million as at December 31, 2025 and 2024.