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Interest Bearing Financial Liabilities - Summary of Obtained Loans Extended And/Or Guaranteed by Export Credit Agencies (Detail)
₱ in Millions, $ in Millions
 12 Months Ended 36 Months Ended
Dec. 31, 2020
PHP (₱)
Jun. 30, 2023
Dec. 31, 2020
USD ($)
Dec. 31, 2019
PHP (₱)
Dec. 31, 2019
USD ($)
Disclosure Of Detailed Information About Borrowings [Line Items]          
Outstanding Amounts ₱ 222,765   $ 25.0 ₱ 192,556  
Corporate Notes [Member] | Philippine Peso Debts [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Outstanding Amounts 3,854     6,152  
Unsecured Term Loan [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Outstanding Amounts 9,600     18,190  
Loan Agreement Date July Twenty Five Two Thousand Twelve [Member] | PLDT [Member] | Corporate Notes [Member] | Philippine Peso Debts [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 1,500        
Issuance Date July 25, 2012        
Dates Drawn July 27, 2012        
Facility Agent Metrobank        
Installments Annual amortization rate of 1% of the issue price on the first-year up to the sixth-year from issue date and the balance payable upon maturity on July 27, 2019        
Prepayments Amount ₱ 1,188        
Prepayments Date July 29, 2013        
Loan Agreement Date July Twenty Five Two Thousand Twelve [Member] | PLDT [Member] | Series A 1 [member] | Corporate Notes [Member] | Philippine Peso Debts [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Prepayments Amount ₱ 282        
Prepayments Date April 29, 2019        
Loan Agreement Date September Nineteen Two Thousand Twelve [Member] | PLDT [Member] | Corporate Notes [Member] | Philippine Peso Debts [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 8,800        
Issuance Date September 19, 2012        
Outstanding Amounts ₱ 3,560     3,599  
Dates Drawn September 21, 2012        
Facility Agent Metrobank        
Installments Series A: 1% annual amortization on the first up to sixth-year, with the balance payable on September 21, 2019;        
Prepayments Amount ₱ 2,055        
Prepayments Date June 21, 2013        
Loan Agreement Date September Nineteen Two Thousand Twelve [Member] | PLDT [Member] | Series A 1 [member] | Corporate Notes [Member] | Philippine Peso Debts [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 4,610        
Prepayments Amount ₱ 2,741        
Prepayments Date September 23, 2019        
Loan Agreement Date September Nineteen Two Thousand Twelve [Member] | PLDT [Member] | Series B1 [Member] | Corporate Notes [Member] | Philippine Peso Debts [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 4,190        
Installments Series B: 1% annual amortization on the first up to ninth-year, with the balance payable on September 21, 2022        
Loan Agreement Date November Twenty Two Thousand Twelve [Member] | PLDT [Member] | Corporate Notes [Member] | Philippine Peso Debts [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 6,200        
Issuance Date November 20, 2012        
Outstanding Amounts       2,255  
Dates Drawn November 22, 2012        
Facility Agent BDO        
Installments Series A: Annual amortization rate of 1% of the issue price on the first-year up to the sixth- year from issue date and the balance payable upon maturity on November 22, 2019;        
Prepayments Amount ₱ 3,549        
Prepayments Date February 22, 2019        
Loan Agreement Date November Twenty Two Thousand Twelve [Member] | PLDT [Member] | Series A 1 [member] | Corporate Notes [Member] | Philippine Peso Debts [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 3,775        
Loan Agreement Date November Twenty Two Thousand Twelve [Member] | PLDT [Member] | Series B1 [Member] | Corporate Notes [Member] | Philippine Peso Debts [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 2,425        
Installments Series B: Annual amortization rate of 1% of the issue price on the first-year up to the ninth-year from issue date and the balance payable upon maturity on November 22, 2022        
Prepayments Amount ₱ 2,255        
Prepayments Date November 23, 2020        
Loan Agreement Date June Fourteen Two Thousand Thirteen [Member] | PLDT [Member] | Corporate Notes [Member] | Philippine Peso Debts [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 2,055        
Issuance Date June 14, 2013        
Outstanding Amounts ₱ 294     298  
Dates Drawn June 21, 2013        
Facility Agent Metrobank        
Installments Series A: Annual amortization rate of 1% of the issue price up to the fifth-year and the balance payable upon maturity on September 21, 2019;        
Prepayments Amount ₱ 1,644        
Prepayments Date September 23, 2019        
Loan Agreement Date June Fourteen Two Thousand Thirteen [Member] | PLDT [Member] | Series A 1 [member] | Corporate Notes [Member] | Philippine Peso Debts [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 1,735        
Loan Agreement Date June Fourteen Two Thousand Thirteen [Member] | PLDT [Member] | Series B1 [Member] | Corporate Notes [Member] | Philippine Peso Debts [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 320        
Installments Series B: Annual amortization rate of 1% of the issue price up to the eighth-year and the balance payable upon maturity on September 21, 2022        
Loan Agreement Date July Nineteen Two Thousand Thirteen [Member] | PLDT [Member] | Corporate Notes [Member] | Philippine Peso Debts [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 1,188        
Issuance Date July 19, 2013        
Dates Drawn July 29, 2013        
Facility Agent Metrobank        
Installments Annual amortization rate of 1% of the issue on the first-year up to the fifth- year from the issue date and the balance payable upon maturity on July 27, 2019        
Prepayments Amount ₱ 1,129        
Prepayments Date April 29, 2019        
Loan Agreement Date January Twenty Two Two Thousand Fourteen [Member] | Fixed Rate Retail Bonds [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 15,000        
Issuance Date January 22, 2014        
Outstanding Amounts ₱ 14,989     14,965  
Dates Drawn February 6, 2014        
Facility Agent Philippine Depositary Trust Corp.        
Installments Php12.4B – non- amortizing, payable in full upon maturity on February 6, 2021; Php2.6B – non- amortizing payable in full on February 6, 2024        
Prepayments Amount ₱ 12,400        
Prepayments Date February 8, 2021        
July One Two Thousand Sixteen | PLDT [Member] | Unsecured Term Loan [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 3,000        
Issuance Date July 1, 2016        
Paid in full on —        
Outstanding Amounts ₱ 2,900     2,929  
Lender(s) Metrobank        
Dates Drawn February 20, 2017        
Drawn Amount ₱ 3,000        
Terms Annual amortization rate of 1% on the first-year up to the ninth-year from initial drawdown date and the balance payable upon maturity on February 22, 2027        
Fixed Rate Notes [Member] | June Twenty Three Two Thousand Twenty [Member] | PLDT [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Outstanding Amounts ₱ 28,179   587.0    
Fixed Rate Notes [Member] | June Twenty Three Two Thousand Twenty [Member] | PLDT [Member] | Maturity on January 23, 2031 [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount | $     300.0    
Issuance Date June 23, 2020        
Trustee The Bank of New York Mellon, London Branch        
Terms Non-amortizing, payable in full upon maturity on January 23, 2031        
Repurchase Amount Dates —        
Paid in full on —        
Outstanding Amounts ₱ 14,110   294.0    
Fixed Rate Notes [Member] | June Twenty Three Two Thousand Twenty [Member] | PLDT [Member] | Maturity on June 23, 2050 [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount | $     300.0    
Issuance Date June 23, 2020        
Trustee The Bank of New York Mellon, London Branch        
Terms Non-amortizing, payable in full upon maturity on June 23, 2050        
Repurchase Amount Dates —        
Paid in full on —        
Outstanding Amounts ₱ 14,069   293.0    
Export Credit Agencies-Supported Loans [Member] | Export Kreditnamnden [member] | U.S. Dollar Debts [Member] | Loan amount to finance the supply and services contracts for modernization and expansion project [Member] | Smart Communications, Inc. [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount | $     45.6    
Issuance Date February 22, 2013        
Terms 10 equal semi-annual, commencing 6 months after the applicable mean delivery date        
Paid in full on July 16, 2018 and April 15, 2019        
Lender(s) Nordea Bank, subsequently assigned to SEK on July 3, 2013        
Final Installment Terms Tranche A1 and B1: July 16, 2018; Tranche A2 and B2: April 15, 2019        
Dates Drawn Various dates in 2013-2014        
Drawn Amount | $     45.6    
Export Credit Agencies-Supported Loans [Member] | Tranche A1 [Member] | Export Kreditnamnden [member] | U.S. Dollar Debts [Member] | Loan amount to finance the supply and services contracts for modernization and expansion project [Member] | Smart Communications, Inc. [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount | $     25.0    
Paid in full on July 16, 2018        
Export Credit Agencies-Supported Loans [Member] | Tranche A2 [Member] | Export Kreditnamnden [member] | U.S. Dollar Debts [Member] | Loan amount to finance the supply and services contracts for modernization and expansion project [Member] | Smart Communications, Inc. [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount | $     19.0    
Paid in full on April 15, 2019        
Export Credit Agencies-Supported Loans [Member] | Tranche B1 [Member] | Export Kreditnamnden [member] | U.S. Dollar Debts [Member] | Loan amount to finance the supply and services contracts for modernization and expansion project [Member] | Smart Communications, Inc. [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount | $     0.9    
Paid in full on July 16, 2018        
Export Credit Agencies-Supported Loans [Member] | Tranche B2 [Member] | Export Kreditnamnden [member] | U.S. Dollar Debts [Member] | Loan amount to finance the supply and services contracts for modernization and expansion project [Member] | Smart Communications, Inc. [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount | $     0.7    
Paid in full on April 15, 2019        
Term Loans [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Outstanding Amounts ₱ 163,050     154,410  
Term Loans [Member] | Others [Member] | U.S. Dollar Debts [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Outstanding Amounts       7,252 $ 143.0
Term Loans [Member] | Others Two          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Outstanding Amounts 46,224     47,416  
Term Loans [Member] | Others Two | U.S. Dollar Debts [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Outstanding Amounts 12,693   264.0 9,777 192.0
Term Loans [Member] | Others Three [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Outstanding Amounts 1,920     6,959  
Term Loans [Member] | Others Four [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Outstanding Amounts 24,834     25,311  
Term Loans [Member] | Others Five [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Outstanding Amounts 12,675     12,805  
Term Loans [Member] | Others Six [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Outstanding Amounts 35,073     35,259  
Term Loans [Member] | Other seven [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Outstanding Amounts 32,724     8,470  
Term Loans [Member] | Smart [Member] | Unsecured Term Loan [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 2,000        
Issuance Date March 26, 2014        
Paid in full on October 30, 2020        
Outstanding Amounts       1,900  
Lender(s) Union Bank        
Dates Drawn March 28, 2014        
Drawn Amount ₱ 2,000        
Terms Annual amortization rate of 1% of the principal amount on the first-year up to the sixth-year commencing on the first-year anniversary of the initial drawdown and the balance payable upon maturity on March 29, 2021        
Term Loans [Member] | Loan agreement date March 7, 2014 [Member] | Smart [Member] | Others [Member] | U.S. Dollar Debts [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount | $     100.0    
Issuance Date March 7, 2014        
Terms 9 equal semi-annual installment, commencing 12 months after drawdown date, with final installment on March 7, 2019        
Paid in full on March 7, 2019        
Lender(s) MUFG Bank, Ltd.        
Dates Drawn Various dates in 2014 March 2, 2015        
Drawn Amount | $     90.0    
Dates Drawn March 2, 2015        
Drawn Amount | $     10.0    
Term Loans [Member] | Loan agreement date August 29, 2014 [Member] | PLDT [Member] | Others [Member] | U.S. Dollar Debts [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount | $     25.0    
Issuance Date August 29, 2014        
Terms Annual amortization rate of 1% of the issue price payable semi-annually starting on the first-year up to the fifth-year anniversary of from the initial drawdown date and the balance payable upon maturity on September 2, 2020        
Paid in full on September 2, 2020        
Outstanding Amounts       2,426 48.0
Lender(s) Metrobank        
Dates Drawn September 2, 2014        
Drawn Amount | $     50.0    
Term Loans [Member] | Loan agreement date May 14, 2014 [Member] | Smart [Member] | Others [Member] | U.S. Dollar Debts [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount | $     100.0    
Issuance Date May 14, 2014        
Terms 9 equal semi-annual installment, commencing 11 months after drawdown date, with final installment on May 14, 2019        
Paid in full on May 14, 2019        
Lender(s) Mizuho Bank Ltd.        
Dates Drawn July 1, 2014        
Drawn Amount | $     50.0    
Term Loans [Member] | Loan agreement date August 5, 2014 [Member] | PLDT [Member] | Others [Member] | U.S. Dollar Debts [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount | $     25.0    
Issuance Date August 5, 2014        
Terms Annual amortization rate of 1% of the issue price on the first-year up to the fifth-year from the initial drawdown date, with final installment on August 11, 2020        
Paid in full on August 11, 2020        
Outstanding Amounts       4,826 95.0
Lender(s) Philippine National Bank, or PNB        
Dates Drawn Various dates in 2014        
Drawn Amount | $     100.0    
Term Loans [Member] | February Twenty Six Two Thousand Fifteen Loan Agreement | Others Two | U.S. Dollar Debts [Member] | Costs [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount | $     200.0    
Issuance Date February 26, 2015        
Terms Commencing 36 months after loan date, with semi- annual amortization of 23.75% of the loan amount on the first and second repayment dates and seven semi-annual amortizations of 7.5% starting on the third repayment date, with final installment on February 25, 2022        
Paid in full on —        
Outstanding Amounts ₱ 2,157   45.0 3,797 74.0
Lender(s) MUFG Bank, Ltd.        
Dates Drawn Various dates in 2015        
Drawn Amount | $     200.0    
Term Loans [Member] | February Twenty Six Two Thousand Fifteen Loan Agreement | Tranche A | Others Two | U.S. Dollar Debts [Member] | Costs [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount | $     150.0    
Term Loans [Member] | February Twenty Six Two Thousand Fifteen Loan Agreement | Tranche B | Others Two | U.S. Dollar Debts [Member] | Costs [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount | $     50.0    
Term Loans [Member] | Loan agreement date March 7, 2014 [Member] | Others Two | U.S. Dollar Debts [Member] | Costs [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount | $     200.0    
Issuance Date March 4, 2015        
Terms 9 equal semi-annual installments commencing on the date which falls 12 months after the loan date, with final installment on March 4, 2020        
Paid in full on March 4, 2020        
Outstanding Amounts       1,128 22.0
Lender(s) Mizuho Bank Ltd.        
Dates Drawn Various dates in 2015        
Drawn Amount | $     200.0    
Term Loans [Member] | Loan agreement date August 29, 2014 [Member] | Others Two | U.S. Dollar Debts [Member] | Costs [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount | $     25.0    
Issuance Date January 31, 2017        
Terms Non-amortizing, payable upon maturity on March 27, 2024        
Paid in full on —        
Outstanding Amounts ₱ 1,195   25.0 1,263 25.0
Lender(s) NTT TC Leasing(1)        
Dates Drawn March 30, 2017        
Drawn Amount | $     25.0    
Term Loans [Member] | Loan agreement date May 14, 2014 [Member] | Others Two | U.S. Dollar Debts [Member] | Costs [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount | $     100.0    
Issuance Date December 7, 2015        
Terms 13 equal semi-annual installments commencing on the date which falls 12 months after the loan date, with final installment on December 7, 2022        
Paid in full on —        
Outstanding Amounts ₱ 1,469   30.0 2,324 46.0
Lender(s) Mizuho Bank Ltd.        
Dates Drawn Various dates in 2016        
Drawn Amount | $     100.0    
Term Loans [Member] | Loan agreement date August 5, 2014 [Member] | Others Two | U.S. Dollar Debts [Member] | Costs [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount | $     25.0    
Issuance Date March 22, 2016        
Terms Non-amortizing, payable upon maturity on March 30, 2023        
Paid in full on —        
Outstanding Amounts ₱ 1,197   25.0 1,265 $ 25.0
Lender(s) NTT TC Leasing Co., Ltd., or NTT TC Leasing(1)        
Dates Drawn March 30, 2016        
Drawn Amount | $     25.0    
Term Loans [Member] | Loan Agreement Date March Fourth Two Thousand Twenty | Others Two | U.S. Dollar Debts [Member] | Costs [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount | $     140.0    
Issuance Date March 4, 2020        
Terms Quarterly amortization rates equivalent to: (a) 2.5% of the total amount drawn payable on the first interest payment date up to the 28th interest payment date; (b) 5% of the total amount drawn payable on the 29th interest payment date up to the 32nd interest payment date; and (3) 2.5% of the total amount drawn payable on the 37th interest payment date up to maturity on December 13, 2030        
Paid in full on —        
Outstanding Amounts ₱ 6,675   139.0    
Lender(s) PNB        
Dates Drawn December 14, 2020        
Drawn Amount | $     $ 140.0    
Term Loans [Member] | March Twenty Two Thousand Twelve | PLDT [Member] | Unsecured Term Loan [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 2,000        
Issuance Date March 20, 2012        
Paid in full on —        
Outstanding Amounts ₱ 1,920     1,940  
Lender(s) RCBC        
Dates Drawn April 12, 2012        
Drawn Amount ₱ 2,000        
Terms Annual amortization rate of 1% on the fifth-year up to the ninth-year from the initial drawdown date and the balance payable upon maturity on April 12, 2022        
Term Loans [Member] | August Thirty One Two Thousand Twelve | PLDT [Member] | Unsecured Term Loan [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 200        
Issuance Date August 31, 2012        
Paid in full on April 10, 2019        
Lender(s) Manufacturers Life Insurance Co. (Phils.), Inc.        
Dates Drawn October 9, 2012        
Drawn Amount ₱ 200        
Terms Payable in full upon maturity on October 9, 2019        
Term Loans [Member] | September Three Two Thousand Twelve | PLDT [Member] | Unsecured Term Loan [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 1,000        
Issuance Date September 3, 2012        
Paid in full on January 13, 2020        
Outstanding Amounts       940  
Lender(s) Union Bank of the Philippines, or Union Bank        
Dates Drawn January 11, 2013        
Drawn Amount ₱ 1,000        
Terms Annual amortization rate of 1% on the first-year up to the sixth-year from the initial drawdown date and the balance payable upon maturity on January 13, 2020        
Term Loans [Member] | October Eleven Two Thousand Twelve | PLDT [Member] | Unsecured Term Loan [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 1,000        
Issuance Date October 11, 2012        
Paid in full on December 3, 2020        
Outstanding Amounts       1,000  
Lender(s) Philippine American Life and General Insurance Company, or Philam Life        
Dates Drawn December 3, 2012        
Drawn Amount ₱ 1,000        
Terms Payable in full upon maturity on December 5, 2022        
Term Loans [Member] | December Seventeen Two Thousand Twelve | Smart [Member] | Unsecured Term Loan [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 3,000        
Issuance Date December 17, 2012        
Paid in full on December 20, 2019        
Lender(s) LBP        
Dates Drawn Various dates in 2012-2013        
Drawn Amount ₱ 3,000        
Terms Annual amortization rate of 1% of the principal amount on the first-year up to the sixth-year commencing on the first-year anniversary of the initial drawdown and the balance payable upon maturity on December 20, 2019        
Term Loans [Member] | November Thirteen Two Thousand Thirteen | PLDT [Member] | Unsecured Term Loan [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 2,000        
Issuance Date November 13, 2013        
Paid in full on August 24, 2020        
Outstanding Amounts       1,880  
Lender(s) Bank of the Philippine Islands, or BPI        
Dates Drawn Various dates in 2013-2014        
Drawn Amount ₱ 2,000        
Terms Annual amortization rate of 1% on the first-year up to the sixth-year from the initial drawdown and the balance payable upon maturity on November 22, 2020        
Term Loans [Member] | November Twenty Five Two Thousand Thirteen | Smart [Member] | Unsecured Term Loan [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 3,000        
Issuance Date November 25, 2013        
Paid in full on September 29, 2020        
Outstanding Amounts       1,199  
Lender(s) Metrobank        
Dates Drawn November 29, 2013        
Drawn Amount ₱ 3,000        
Terms Annual amortization rate of 10% of the total amount drawn for six-years and the final installment is payable upon maturity on November 27, 2020        
Term Loans [Member] | December Three Two Thousand Thirteen | Smart [Member] | Unsecured Term Loan [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 3,000        
Issuance Date December 3, 2013        
Paid in full on October 9, 2020        
Outstanding Amounts       2,818  
Lender(s) BPI        
Dates Drawn December 10, 2013        
Drawn Amount ₱ 3,000        
Terms Annual amortization rate of 1% of the total amount drawn for the first six-years and the final installment is payable upon maturity on December 10, 2020        
Term Loans [Member] | January Twenty Nine Two Thousand Fourteen | Smart [Member] | Unsecured Term Loan [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 3,000        
Issuance Date January 29, 2014        
Paid in full on November 18, 2020        
Outstanding Amounts       2,847  
Lender(s) LBP        
Dates Drawn February 5, 2014        
Drawn Amount ₱ 3,000        
Terms Annual amortization rate of 1% of the principal amount on the first-year up to the sixth-year commencing on the first-year anniversary of the initial drawdown and the balance payable upon maturity on February 5, 2021        
Term Loans [Member] | February Three Two Thousand Fourteen | Smart [Member] | Unsecured Term Loan [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 500        
Issuance Date February 3, 2014        
Paid in full on November 18, 2020        
Outstanding Amounts       475  
Lender(s) LBP        
Dates Drawn February 7, 2014        
Drawn Amount ₱ 500        
Terms Annual amortization rate of 1% of the principal amount on the first-year up to the sixth-year commencing on the first-year anniversary of the initial drawdown and the balance payable upon maturity on February 5, 2021        
Term Loans [Member] | April Two Two Thousand Fourteen | PLDT [Member] | Unsecured Term Loan [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 1,500        
Issuance Date April 2, 2014        
Paid in full on —        
Outstanding Amounts ₱ 1,500     1,500  
Lender(s) Philam Life        
Dates Drawn April 4, 2014        
Drawn Amount ₱ 1,500        
Terms Payable in full upon maturity on April 4, 2024        
Term Loans [Member] | April Two Two Thousand Fourteen | Smart [Member] | Unsecured Term Loan [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 500        
Issuance Date April 2, 2014        
Paid in full on October 30, 2020        
Outstanding Amounts       475  
Lender(s) BDO        
Dates Drawn April 4, 2014        
Drawn Amount ₱ 500        
Terms Annual amortization rate of 1% of the principal amount on the first-year up to the sixth-year commencing on the first-year anniversary of the initial drawdown and the balance payable upon maturity on April 2, 2021        
Term Loans [Member] | May Twenty Three Two Thousand Fourteen | PLDT [Member] | Unsecured Term Loan [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 1,000        
Issuance Date May 23, 2014        
Paid in full on —        
Outstanding Amounts ₱ 1,000     1,000  
Lender(s) Philam Life        
Dates Drawn May 28, 2014        
Drawn Amount ₱ 1,000        
Terms Payable in full upon maturity on May 28, 2024        
Term Loans [Member] | June Nine Two Thousand Fourteen | Unsecured Term Loan [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 1,000        
Issuance Date June 9, 2014        
Paid in full on —        
Outstanding Amounts ₱ 940     950  
Lender(s) LBP        
Dates Drawn June 13, 2014        
Drawn Amount ₱ 1,000        
Terms Annual amortization rate of 1% on the first-year up to the ninth-year from initial drawdown date and the balance payable upon maturity on June 13, 2024        
Term Loans [Member] | July Twenty Eight Two Thousand Fourteen | PLDT [Member] | Unsecured Term Loan [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 1,500        
Issuance Date July 28, 2014        
Paid in full on —        
Outstanding Amounts ₱ 1,410     1,425  
Lender(s) Union Bank        
Dates Drawn July 31, 2014        
Drawn Amount ₱ 1,500        
Terms Annual amortization rate of 1% on the first-year up to the ninth-year from initial drawdown date and the balance payable upon maturity on July 31, 2024        
Term Loans [Member] | February Twenty Five Two Thousand Fifteen | PLDT [Member] | Unsecured Term Loan [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 2,000        
Issuance Date February 25, 2015        
Paid in full on —        
Outstanding Amounts ₱ 1,900     1,920  
Lender(s) BPI        
Dates Drawn March 24, 2015        
Drawn Amount ₱ 2,000        
Terms Annual amortization rate of 1% on the first-year up to the ninth-year from initial drawdown date and the balance payable upon maturity on March 24, 2025        
Term Loans [Member] | June Twenty Six Two Thousand Fifteen | PLDT [Member] | Unsecured Term Loan [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 3,000        
Issuance Date June 26, 2015        
Paid in full on —        
Outstanding Amounts ₱ 2,850     2,880  
Lender(s) BPI        
Dates Drawn June 30, 2015        
Drawn Amount ₱ 3,000        
Terms Annual amortization rate of 1% on the first-year up to the ninth-year from initial drawdown date and the balance payable upon maturity on June 30, 2025        
Term Loans [Member] | August Three Two Thousand Fifteen | PLDT [Member] | Unsecured Term Loan [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 5,000        
Issuance Date August 3, 2015        
Paid in full on —        
Outstanding Amounts ₱ 4,750     4,800  
Lender(s) Metrobank        
Dates Drawn Various dates in 2015        
Drawn Amount ₱ 5,000        
Terms Annual amortization rate of 1% on the first-year up to the ninth-year from initial drawdown date and the balance payable upon maturity on September 23, 2025        
Term Loans [Member] | August Eleven Two Thousand Fifteen | Smart [Member] | Unsecured Term Loan [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 5,000        
Issuance Date August 11, 2015        
Paid in full on —        
Outstanding Amounts ₱ 4,737     4,785  
Lender(s) Metrobank        
Dates Drawn September 1, 2015        
Drawn Amount ₱ 5,000        
Terms Annual amortization rate of 1% of the principal amount on the first-year up to the ninth-year commencing on the first-year anniversary of the initial drawdown date and the balance payable upon maturity on September 1, 2025        
Term Loans [Member] | December Eleven Two Thousand Fifteen | Smart [Member] | Unsecured Term Loan [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 5,000        
Issuance Date December 11, 2015        
Paid in full on —        
Outstanding Amounts ₱ 4,736     4,784  
Lender(s) BPI        
Dates Drawn December 21, 2015        
Drawn Amount ₱ 5,000        
Terms Annual amortization rate of 1% of the principal amount on the first-year up to the ninth-year commencing on the first-year anniversary of the initial drawdown date and the balance payable upon maturity on December 21, 2025        
Term Loans [Member] | December Sixteen Two Thousand Fifteen | Smart [Member] | Unsecured Term Loan [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 5,000        
Issuance Date December 16, 2015        
Paid in full on —        
Outstanding Amounts ₱ 4,736     4,784  
Lender(s) Metrobank        
Dates Drawn December 28, 2015        
Drawn Amount ₱ 5,000        
Terms Annual amortization rate of 1% of the principal amount up to the tenth-year commencing on the first-year anniversary of the initial drawdown and the balance payable upon maturity on June 29, 2026        
Term Loans [Member] | December Eighteen Two Thousand Fifteen | Smart [Member] | Unsecured Term Loan [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 7,000        
Issuance Date December 18, 2015        
Paid in full on —        
Outstanding Amounts ₱ 4,897     5,593  
Lender(s) CBC        
Dates Drawn December 28, 2015        
Drawn Amount ₱ 7,000        
Dates Drawn February 24,2016        
Terms Annual amortization rate of 1% of the principal amount on the third-year up to the sixth-year from the initial drawdown date, with balance payable upon maturity on December 28, 2022        
Term Loans [Member] | July One Two Thousand Sixteen | PLDT [Member] | Unsecured Term Loan [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 6,000        
Issuance Date July 1, 2016        
Paid in full on —        
Outstanding Amounts ₱ 5,748     5,804  
Lender(s) Metrobank        
Dates Drawn August 30, 2016        
Drawn Amount ₱ 6,000        
Terms Annual amortization rate of 1% on the first-year up to the sixth-year from initial drawdown date and the balance payable upon maturity on August 30, 2023        
Dates Drawn November 10,2016        
Term Loans [Member] | July Fourteen Two Thousand Sixteen | PLDT [Member] | Unsecured Term Loan [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 8,000        
Issuance Date July 14, 2016        
Paid in full on —        
Outstanding Amounts ₱ 7,495     7,651  
Lender(s) Security Bank        
Dates Drawn February 27, 2017        
Drawn Amount ₱ 8,000        
Terms Annual amortization rate of 1% of the total amount drawn payable semi-annually starting from the end of the first-year after the initial drawdown date until the ninth-year and the balance payable on maturity on March 1, 2027        
Term Loans [Member] | September Twenty Two Thousand Sixteen | PLDT [Member] | Unsecured Term Loan [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 6,500        
Issuance Date September 20, 2016        
Paid in full on —        
Outstanding Amounts ₱ 6,225     6,286  
Lender(s) BPI        
Dates Drawn November 2, 2016        
Drawn Amount ₱ 6,500        
Dates Drawn December 19,2016        
Terms Annual amortization rate of 1% on the first- year up to the sixth-year from initial drawdown date and the balance payable upon maturity on November 2, 2023        
Term Loans [Member] | Loan agreement date September 28,2016 [Member] | Smart [Member] | Unsecured Term Loans [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 3,000        
Issuance Date September 28, 2016        
Paid in full on —        
Outstanding Amounts ₱ 2,880     2,910  
Lender(s) BDO        
Dates Drawn October 5, 2016        
Drawn Amount ₱ 3,000        
Terms Annual amortization rate of 1% of the principal amount on the first-year up to the ninth-year commencing on the first-year anniversary of the initial drawdown date and the balance payable upon maturity on October 5, 2026        
Term Loans [Member] | Loan agreement date September 28,2016 [Member] | Smart [Member] | Unsecured Term Loans [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 5,400        
Issuance Date September 28, 2016        
Paid in full on —        
Outstanding Amounts ₱ 5,178     5,229  
Lender(s) Union Bank        
Dates Drawn October 24, 2016        
Drawn Amount ₱ 5,400        
Dates Drawn November 21,2016        
Terms Annual amortization rate of 1% of the principal amount on the first-year up to the sixth-year commencing on the first-year anniversary of the initial drawdown date and the balance payable upon maturity on October 24, 2023        
Term Loans [Member] | Loan agreement date October 14,2016 [Member] | PLDT [Member] | Unsecured Term Loans [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 5,300        
Issuance Date October 14, 2016        
Paid in full on —        
Outstanding Amounts ₱ 5,076     5,125  
Lender(s) BPI        
Dates Drawn December 19, 2016        
Drawn Amount ₱ 5,300        
Terms Annual amortization rate of 1% on the first-year up to the sixth-year from initial drawdown date and the balance payable upon maturity on December 19, 2023        
Term Loans [Member] | Loan agreement date October 27,2016 [Member] | Smart [Member] | Unsecured Term Loans [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 2,500        
Issuance Date October 27, 2016        
Paid in full on —        
Outstanding Amounts ₱ 2,000     2,250  
Lender(s) CBC        
Dates Drawn December 8, 2016        
Drawn Amount ₱ 2,500        
Terms Annual amortization rate of 10% of the amount drawn starting on the third-year up to the sixth-year, with balance payable upon maturity on December 8, 2023        
Term Loans [Member] | Loan agreement date October 28,2016 [Member] | Smart [Member] | Unsecured Term Loans [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 4,000        
Issuance Date October 28, 2016        
Paid in full on —        
Outstanding Amounts ₱ 1,917     1,935  
Lender(s) Security Bank        
Dates Drawn April 5, 2017        
Drawn Amount ₱ 4,000        
Terms Semi-annual amortization rate of 1% of the total amount drawn from first- year up to the ninth-year and the balance payable upon maturity on April 5, 2027        
Term Loans [Member] | Loan agreement date December 16,2016 [Member] | Smart [Member] | Unsecured Term Loans [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 1,000        
Issuance Date December 16, 2016        
Paid in full on —        
Outstanding Amounts ₱ 970     980  
Lender(s) PNB        
Dates Drawn December 7, 2017        
Drawn Amount ₱ 1,000        
Terms Annual amortization rate of 1% of the amount drawn starting on the first anniversary of the advance up to the ninth anniversary of the advance and the balance payable upon maturity on December 7, 2027        
Term Loans [Member] | Loan agreement date December 22,2016 [Member] | Smart [Member] | Unsecured Term Loans [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 2,000        
Issuance Date December 22, 2016        
Paid in full on —        
Outstanding Amounts ₱ 1,960     1,980  
Lender(s) LBP        
Dates Drawn January 22, 2018        
Drawn Amount ₱ 2,000        
Terms Annual amortization rate of 1% of the amount drawn starting on the first anniversary of the advance up to the ninth anniversary of the advance and the balance payable upon maturity on January 21, 2028        
Term Loans [Member] | Loan agreement date December 23,2016 [Member] | PLDT [Member] | Unsecured Term Loans [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 3,500        
Issuance Date December 23, 2016        
Paid in full on —        
Outstanding Amounts ₱ 3,383     3,417  
Lender(s) LBP        
Dates Drawn April 5, 2017        
Drawn Amount ₱ 3,500        
Terms Annual amortization rate of 1% on the first- year up to the ninth-year after the drawdown date and the balance payable upon maturity on April 5, 2027        
Term Loans [Member] | Loan agreement date April 18,2017 [Member] | Unsecured Term Loans [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 2,000        
Issuance Date April 11, 2019        
Paid in full on —        
Outstanding Amounts ₱ 1,968     1,985  
Lender(s) Bank of China (Hong Kong) Limited, Manila Branch        
Dates Drawn September 6, 2019        
Drawn Amount ₱ 2,000        
Terms Annual amortization rate equivalent to 1% of the amount of loan payable on the first-year anniversary up to the sixth-year anniversary of the initial drawdown date and the balance payable upon maturity on September 7, 2026        
Term Loans [Member] | Loan agreement date April 18,2017 [Member] | Smart [Member] | Unsecured Term Loans [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 1,500        
Issuance Date April 18, 2017        
Paid in full on —        
Outstanding Amounts ₱ 1,470     1,485  
Lender(s) PNB        
Dates Drawn January 3, 2018        
Drawn Amount ₱ 1,500        
Terms Annual amortization rate of 1% of the amount drawn starting on the first anniversary of the advance up to the sixth- year anniversary of the advance and the balance payable upon maturity on January 3, 2025        
Term Loans [Member] | Loan agreement date May 24, 2017 [Member] | PLDT [Member] | Unsecured Term Loans [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 2,000        
Issuance Date May 24, 2017        
Paid in full on —        
Outstanding Amounts ₱ 1,930     1,950  
Lender(s) Security Bank        
Dates Drawn May 29, 2017        
Drawn Amount ₱ 2,000        
Terms Semi-annual amortization rate of Php10 million starting on October 5, 2017 and every six months thereafter with the balance payable upon maturity on April 5, 2027        
Term Loans [Member] | Loan agreement date July 5, 2017 [Member] | PLDT [Member] | Unsecured Term Loans [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 3,500        
Issuance Date July 5, 2017        
Paid in full on —        
Outstanding Amounts ₱ 3,395     3,430  
Lender(s) LBP        
Dates Drawn July 10, 2017        
Drawn Amount ₱ 3,500        
Terms Annual amortization rate of 1% on the first- year up to the ninth-year after the drawdown date and the balance payable upon maturity on July 12, 2027        
Term Loans [Member] | Loan agreement date August 29, 2017 [Member] | PLDT [Member] | Unsecured Term Loans [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 1,500        
Issuance Date August 29, 2017        
Paid in full on —        
Outstanding Amounts ₱ 1,470     1,485  
Lender(s) LBP        
Dates Drawn April 2, 2018        
Drawn Amount ₱ 1,500        
Terms Annual amortization rate equivalent to 1% of the total loan payable on the first-year up to the ninth-year after the drawdown date and the balance payable upon maturity on April 3, 2028        
Term Loans [Member] | Loan agreement date September 28, 2017 [Member] | Smart [Member] | Unsecured Term Loans [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 1,000        
Issuance Date September 28, 2017        
Paid in full on —        
Outstanding Amounts ₱ 980     990  
Lender(s) Union Bank        
Dates Drawn February 19, 2018        
Drawn Amount ₱ 1,000        
Terms Annual amortization rate of 1% of the amount drawn starting on the first-year anniversary of the advance up to the ninth- year anniversary of the advance and the balance payable upon maturity on February 21, 2028        
Term Loans [Member] | Loan agreement date April 19, 2017 [Member] | PLDT [Member] | Unsecured Term Loans [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 2,000        
Issuance Date April 19, 2018        
Paid in full on —        
Outstanding Amounts ₱ 1,960     1,980  
Lender(s) LBP        
Dates Drawn April 25, 2018        
Drawn Amount ₱ 2,000        
Terms Annual amortization rate equivalent to 1% of the total loan payable on the first-year up to the ninth-year after the drawdown date and the balance payable upon maturity on April 25, 2028        
Term Loans [Member] | Loan agreement date April 20,2018 [Member] | PLDT [Member] | Unsecured Term Loans [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 1,000        
Issuance Date April 20, 2018        
Paid in full on —        
Outstanding Amounts ₱ 980     990  
Lender(s) LBP        
Dates Drawn May 3, 2018        
Drawn Amount ₱ 1,000        
Terms Annual amortization rate equivalent to 1% of the total loan payable on the first-year up to the ninth-year after the drawdown date and the balance payable upon maturity on May 3, 2028        
Term Loans [Member] | Loan agreement date May 9,2018 [Member] | PLDT [Member] | Unsecured Term Loans [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 2,000        
Issuance Date May 9, 2018        
Paid in full on —        
Outstanding Amounts ₱ 1,960     1,980  
Lender(s) BPI        
Dates Drawn May 10, 2018        
Drawn Amount ₱ 2,000        
Terms Annual amortization rate equivalent to 1% of the amount drawn starting on the first- year anniversary of the advance up to the ninth-year anniversary of the advance and the balance payable upon maturity on May 10, 2028        
Term Loans [Member] | Loan agreement date May 25,2018 [Member] | Unsecured Term Loans [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 2,000        
Issuance Date May 25, 2018        
Paid in full on —        
Outstanding Amounts ₱ 1,951     1,969  
Lender(s) BPI        
Dates Drawn May 28, 2018        
Drawn Amount ₱ 2,000        
Terms Annual amortization rate equivalent to 1% of the amount drawn starting on the first- year anniversary of the advance up to the fifth-year anniversary of the advance and the balance payable upon maturity on May 28, 2024        
Term Loans [Member] | Loan agreement date June 27,2018 [Member] | Unsecured Term Loans [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 1,500        
Issuance Date June 27, 2018        
Paid in full on —        
Outstanding Amounts ₱ 1,500     1,500  
Lender(s) Development Bank of the Philippines, or DBP        
Dates Drawn June 28, 2018        
Drawn Amount ₱ 1,500        
Terms Annual amortization rate equivalent to 1% of the amount drawn starting on the third- year anniversary of the advance up to the fifth-year anniversary of the advance and the balance payable upon maturity on June 28, 2024        
Term Loans [Member] | Loan agreement date July 31,2018 [Member] | Unsecured Term Loans [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 3,000        
Issuance Date July 31, 2018        
Paid in full on —        
Outstanding Amounts ₱ 2,922     2,950  
Lender(s) BPI        
Dates Drawn August 10, 2018        
Drawn Amount ₱ 3,000        
Terms Annual amortization rate equivalent to 1% of the amount drawn starting on the first-year anniversary of the advance up to the ninth-year anniversary of the advance and the balance payable upon maturity on May 10, 2028        
Term Loans [Member] | Loan agreement date January 11, 2019 [Member] | Unsecured Term Loans [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 5,000        
Issuance Date January 11, 2019        
Paid in full on —        
Outstanding Amounts ₱ 4,980     4,978  
Lender(s) DBP        
Dates Drawn May 6, 2019        
Drawn Amount ₱ 2,000        
Dates Drawn September 2, 2019        
Drawn Amount ₱ 3,000        
Terms Annual amortization rate equivalent to 1% of the amount drawn starting on the third-year anniversary of the advance up to the ninth-year anniversary of the advance and the balance payable upon maturity on May 6, 2029        
Term Loans [Member] | Loan agreement date February 18, 2019 [Member] | Unsecured Term Loans [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 8,000        
Issuance Date February 18, 2019        
Paid in full on —        
Outstanding Amounts ₱ 7,900     7,978  
Lender(s) Union Bank        
Dates Drawn July 11, 2019        
Drawn Amount ₱ 3,000        
Dates Drawn September 6,2019        
Drawn Amount ₱ 2,000        
Terms Annual amortization rate equivalent to 1% of the amount drawn starting on the first-year anniversary up to the ninth-year anniversary of the initial drawdown date and the balance payable upon maturity on July 11, 2029        
Dates Drawn October 1,2019        
Date Of Loans Drawn November 5,2019        
Loan Amount Drawn ₱ 1,000        
Loan Amount Drawn 2,000        
Term Loans [Member] | Loan agreement date February 21, 2019 [Member] | Unsecured Term Loans [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 4,000        
Issuance Date February 21, 2019        
Paid in full on —        
Outstanding Amounts ₱ 3,936     3,972  
Lender(s) PNB        
Dates Drawn March 11, 2019        
Drawn Amount ₱ 4,000        
Terms Annual amortization rate equivalent to 1% of the amount drawn starting on the first-year anniversary up to the seventh-year anniversary of the initial drawdown date and the balance payable upon maturity on March 11, 2027        
Term Loans [Member] | Loan agreement date July 1, 2019 [member] | Unsecured Term Loans [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 2,000        
Issuance Date July 1, 2019        
Paid in full on —        
Outstanding Amounts ₱ 1,967     1,985  
Lender(s) PNB        
Dates Drawn September 6, 2019        
Drawn Amount ₱ 2,000        
Terms Annual amortization rate equivalent to 1% of the total amount drawn from the facility on the first-year anniversary up to the sixth-year anniversary of the initial drawdown date and the balance payable upon maturity on September 7, 2026        
Term Loans [Member] | Loan agreement date September 25, 2019 [member] | Unsecured Term Loans [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 8,000        
Issuance Date September 25, 2019        
Paid in full on —        
Outstanding Amounts ₱ 7,949     7,942  
Lender(s) CBC        
Dates Drawn October 2, 2019        
Drawn Amount ₱ 8,000        
Terms Annual amortization rate equivalent to 10% of the total amount drawn starting on the third-year anniversary up to the ninth-year anniversary of the initial drawdown date and the balance payable upon maturity on October 2, 2029        
Term Loans [Member] | Loan agreement date December 9, 2019 [Member] | Smart [Member] | Unsecured Term Loans [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 4,000        
Issuance Date December 9, 2019        
Paid in full on —        
Outstanding Amounts ₱ 3,973     3,970  
Lender(s) DBP        
Dates Drawn December 12, 2019        
Drawn Amount ₱ 4,000        
Terms   Annual amortization rate equivalent to 1% of the total amount drawn starting on the third-year anniversary up to the ninth-year anniversary of the initial drawdown date and the balance payable upon maturity on December 12, 2029      
Term Loans [Member] | Loan agreement date March 24, 2020 [Member] | PLDT [Member] | Unsecured Term Loans [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 4,000        
Issuance Date March 24, 2020        
Paid in full on —        
Outstanding Amounts ₱ 3,972        
Lender(s) RCBC        
Dates Drawn March 26, 2020        
Drawn Amount ₱ 4,000        
Terms   Annual amortization rate equivalent to 1% of the advance starting on the first-year anniversary of the drawdown date and the balance payable upon maturity on March 27, 2028      
Term Loans [Member] | Loan agreement date December 12, 2019 [Member] | PLDT [Member] | Unsecured Term Loans [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 4,500        
Issuance Date December 12, 2019        
Paid in full on —        
Outstanding Amounts ₱ 4,424     ₱ 4,500  
Lender(s) BPI        
Dates Drawn December 15, 2019        
Drawn Amount ₱ 4,500        
Terms   Annual amortization rate equivalent to 1% of the advance on the first year up to the ninth-year anniversary of the drawdown date and the balance payable upon maturity on December 18, 2029      
Term Loans [Member] | Loan agreement date March 30, 2020 [Member] | PLDT [Member] | Unsecured Term Loans [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 2,500        
Issuance Date March 30, 2020        
Paid in full on —        
Outstanding Amounts ₱ 2,484        
Lender(s) MUFG Bank, Ltd.        
Dates Drawn April 2, 2020        
Drawn Amount ₱ 2,500        
Terms   Amortization rate equivalent to: (1) 20% of the amount drawn payable on the 30th, 48th, 54th and 72nd month from the drawdown date; (2) 0.50% of the amount drawn payable on the 36th, 42nd, 60th and 66th month from the drawdown date; and (3) 18% of the amount drawn payable upon maturity on October 2, 2026      
Term Loans [Member] | Loan agreement date January 20, 2020 [Member] | Smart [Member] | Unsecured Term Loans [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 3,000        
Issuance Date January 20, 2020        
Paid in full on —        
Outstanding Amounts ₱ 2,979        
Lender(s) BDO        
Dates Drawn January 24, 2020        
Drawn Amount ₱ 3,000        
Terms   Annual amortization rate equivalent to 1% of the total amount drawn starting on the first-year anniversary up to the ninth-year anniversary of the drawdown date and the balance payable upon maturity on January 24, 2030      
Term Loans [Member] | Loan agreement date January 29, 2020 [member] | PLDT [Member] | Unsecured Term Loans [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 5,000        
Issuance Date January 29, 2020        
Paid in full on —        
Outstanding Amounts ₱ 4,965        
Lender(s) BDO        
Dates Drawn January 31, 2020        
Drawn Amount ₱ 5,000        
Terms   Annual amortization rate equivalent to 1% of the total amount drawn starting on the first-year anniversary up to the ninth-year anniversary of the drawdown date and the balance payable upon maturity on January 31, 2030      
Term Loans [Member] | May Twenty Two Thousand Twenty | PLDT [Member] | Unsecured Term Loans [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 3,000        
Issuance Date May 20, 2020        
Paid in full on —        
Outstanding Amounts ₱ 2,979        
Lender(s) LBP        
Dates Drawn May 28, 2020        
Drawn Amount ₱ 3,000        
Terms   Annual amortization rate equivalent to 1% of the advance starting on the first-year up to the ninth-year anniversary of the drawdown date and the balance payable upon maturity on May 28, 2030      
Term Loans [Member] | May Twenty Two Thousand Twenty | Smart [Member] | Unsecured Term Loans [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 4,000        
Issuance Date May 20, 2020        
Paid in full on —        
Outstanding Amounts ₱ 3,970        
Lender(s) LBP        
Dates Drawn November 20, 2020        
Drawn Amount ₱ 4,000        
Terms   Annual amortization rate equivalent to 1% of principal amount of the loan starting on the first-year up to the ninth- year anniversary of the initial advance and the balance payable upon maturity on November 20, 2030      
Term Loans [Member] | Loan agreement date May 21, 2020 [Member] | PLDT [Member] | Unsecured Term Loans [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 3,000        
Issuance Date May 21, 2020        
Paid in full on —        
Outstanding Amounts ₱ 2,978        
Lender(s) LBP        
Dates Drawn December 18, 2020        
Drawn Amount ₱ 3,000        
Terms   Annual amortization rate equivalent to 1% of the advance starting on the first-year up to the ninth-year anniversary of the drawdown date and the balance payable upon maturity on December 18, 2030      
Term Loans [Member] | Loan agreement date February 9, 2021 [Member] | PLDT [Member] | Unsecured Term Loans [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Issuance Date February 9, 2021        
Paid in full on —        
Lender(s) BPI        
Dates Drawn February 15, 2021        
Drawn Amount ₱ 5,000        
Terms   Annual amortization rate equivalent to 1% of the advance starting on the first-year up to the tenth-year anniversary of the drawdown date and the balance payable upon maturity on February 16, 2032      
Term Loans [Member] | Loan agreement date March 4, 2021 [Member] | Smart [Member] | Unsecured Term Loans [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 3,000        
Issuance Date March 4, 2021        
Paid in full on —        
Lender(s) LBP        
Dates Drawn March 9, 2021        
Drawn Amount ₱ 3,000        
Terms   Annual amortization rate equivalent to 1% of the advance starting on the first-year up to the ninth-year anniversary of the drawdown date and the balance payable upon maturity on March 7, 2031      
Term Loans [Member] | Loan agreement date March 5, 2021 [Member] | Smart [Member] | Unsecured Term Loans [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 3,000        
Issuance Date March 5, 2021        
Paid in full on —        
Lender(s) LBP        
Dates Drawn —        
Terms   Annual amortization rate equivalent to 1% of the advance starting on the first-year up to the ninth-year anniversary of the drawdown date and the balance payable upon maturity      
Term Loans [Member] | Loan agreement date March 8, 2021 [Member] | Smart [Member] | Unsecured Term Loans [Member]          
Disclosure Of Detailed Information About Borrowings [Line Items]          
Loan Amount ₱ 3,000        
Issuance Date March 8, 2021        
Paid in full on —        
Lender(s) LBP        
Dates Drawn —        
Terms   Annual amortization rate equivalent to 1% of the advance starting on the first-year up to the ninth-year anniversary of the drawdown date and the balance payable upon maturity