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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
Dec. 31, 2021
PHP (₱)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
PHP (₱)
Dec. 31, 2020
USD ($)
Disclosure Of Detailed Information About Borrowings [Line Items]        
Outstanding Amounts ₱ 252,557   ₱ 222,765  
Corporate Notes [Member] | Philippine Peso Debts [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Outstanding Amounts     3,854  
Loan Agreement Date September 19, 2012 [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  
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 19, 2012 [Member] | PLDT [Member] | Corporate Notes [Member] | Philippine Peso Debts [Member] | Series A 1 [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 19, 2012 [Member] | PLDT [Member] | Corporate Notes [Member] | Philippine Peso Debts [Member] | Series A 2 [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Prepayments Amount ₱ 3,521      
Prepayments Date December 21, 2021      
Loan Agreement Date September 19, 2012 [Member] | PLDT [Member] | Corporate Notes [Member] | Philippine Peso Debts [Member] | Series B 1 [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 20, 2012 [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      
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 20, 2012 [Member] | PLDT [Member] | Corporate Notes [Member] | Philippine Peso Debts [Member] | Series A 1 [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 3,775      
Loan Agreement Date November 20, 2012 [Member] | PLDT [Member] | Corporate Notes [Member] | Philippine Peso Debts [Member] | Series B 1 [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 14, 2013 [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  
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 14, 2013 [Member] | PLDT [Member] | Corporate Notes [Member] | Philippine Peso Debts [Member] | Series A 1 [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 1,735      
Prepayments Amount ₱ 291      
Prepayments Date December 21, 2021      
Loan Agreement Date June 14, 2013 [Member] | PLDT [Member] | Corporate Notes [Member] | Philippine Peso Debts [Member] | Series B 1 [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 January 22, 2014 [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 ₱ 2,594   14,989  
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      
Loan agreement date July 1, 2016 [Member] | 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 0      
Outstanding Amounts ₱ 2,872   2,900  
Lender(s) Metrobank      
Dates Drawn February 20, 2017      
Drawn ₱ 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      
Loan agreement date September 20, 2016 [Member] | Smart [Member] | Unsecured Term Loan [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Dates Drawn November 21, 2016      
Fixed Rate Notes [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Outstanding Amounts ₱ 29,971 $ 588 28,179 $ 587
Fixed Rate Notes [Member] | June 23, 2020 [Member] | PLDT [Member] | Maturity on January 23, 2031 [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount | $   300    
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 0      
Paid in full on 0      
Outstanding Amounts ₱ 15,017 295 14,110 294
Fixed Rate Notes [Member] | June 23, 2020 [Member] | PLDT [Member] | Maturity on June 23, 2050 [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount | $   300    
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 0      
Paid in full on 0      
Outstanding Amounts ₱ 14,954 293 14,069 293
Term Loans [Member] | Philippine Peso Debts [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Outstanding Amounts 13,426      
Term Loans [Member] | Others [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Outstanding Amounts 764 15 2,157 45
Term Loans [Member] | Others Two [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Outstanding Amounts 1,500   1,500  
Term Loans [Member] | Others Two [Member] | U S Dollar Debts        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Outstanding Amounts 9,704 190 10,536 219
Term Loans [Member] | Unsecured Term Loan [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Outstanding Amounts 1,900   1,920  
Term Loans [Member] | Others Three [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Outstanding Amounts 12,655   12,850  
Term Loans [Member] | Others Four [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Outstanding Amounts 26,830   27,754  
Term Loans [Member] | Others Five [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Outstanding Amounts 28,256   28,854  
Term Loans [Member] | Others Six [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Outstanding Amounts 11,479   11,630  
Term Loans [Member] | Other seven [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Outstanding Amounts 9,236   10,745  
Term Loans [Member] | Others Eight [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Outstanding Amounts 22,707   23,189  
Term Loans [Member] | Others Nine [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Outstanding Amounts 22,783   23,260  
Term Loans [Member] | Others Ten [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Outstanding Amounts 21,002   21,348  
Term Loans [Member] | Others Eleven [Member] | Philippine Peso Debts [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Outstanding Amounts 19,874      
Term Loans [Member] | Others Twelve [Member] | Philippine Peso Debts [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Outstanding Amounts 17,876      
Term Loans [Member] | Others Thirteen [Member] | Philippine Peso Debts [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Outstanding Amounts ₱ 209,524   163,050  
Term Loans [Member] | Loan agreement date August 5, 2014 [Member] | PLDT [Member] | Others [Member] | U S Dollar Debts        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount | $   100    
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      
Lender(s) Philippine National Bank, or PNB      
Dates Drawn Various dates in 2014      
Drawn ₱ 100      
Dates Drawn August 11, 2020      
Term Loans [Member] | Loan agreement date August 29, 2014 [Member] | PLDT [Member] | Others [Member] | U S Dollar Debts        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount | $   50    
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      
Lender(s) Metrobank      
Dates Drawn September 2, 2014      
Drawn ₱ 50      
Dates Drawn September 2, 2020      
Term Loans [Member] | Loan agreement date August 29, 2014 [Member] | PLDT [Member] | Others Two [Member] | U S Dollar Debts | Costs [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount | $   25    
Issuance Date January 31, 2017      
Terms Non-amortizing, payable uponmaturity on March 27, 2024      
Paid in full on 0      
Outstanding Amounts ₱ 1,271 25 1,195 25
Lender(s) NTT TC Leasing(1)      
Dates Drawn March 30, 2017      
Drawn | $   25    
Term Loans [Member] | Loan agreement date February 26, 2015 [Member] | PLDT [Member] | Others [Member] | U S Dollar Debts        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount | $   200    
Term Loans [Member] | Loan agreement date February 26, 2015 [Member] | PLDT [Member] | Others [Member] | U S Dollar Debts | Tranche A [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount | $   150    
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      
Outstanding Amounts ₱ 764 15 2,157 45
Lender(s) MUFG Bank, Ltd.      
Dates Drawn Various dates in 2015      
Drawn ₱ 200      
Dates Drawn February 24, 2022      
Term Loans [Member] | Loan agreement date February 26, 2015 [Member] | PLDT [Member] | Others [Member] | U S Dollar Debts | Tranche B [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount | $   50    
Term Loans [Member] | Loan agreement date March 4, 2015 [Member] | Smart [Member] | Others [Member] | U S Dollar Debts        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount | $   200    
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      
Lender(s) Mizuho Bank Ltd.      
Dates Drawn Various dates in 2015      
Drawn ₱ 200      
Dates Drawn March 4, 2020      
Term Loans [Member] | Loan agreement date December 7, 2015 [Member] | Smart [Member] | Others Two [Member] | U S Dollar Debts | Costs [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount | $   100    
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 0      
Outstanding Amounts ₱ 781 15 1,469 30
Lender(s) Mizuho Bank Ltd.      
Dates Drawn Various dates in 2016      
Drawn | $   100    
Term Loans [Member] | Loan agreement date March 22, 2016 [Member] | PLDT [Member] | Others Two [Member] | U S Dollar Debts | Costs [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount | $   25    
Issuance Date March 22, 2016      
Terms Non-amortizing, payable uponmaturity on March 30, 2023      
Paid in full on 0      
Outstanding Amounts ₱ 1,272 25 1,197 25
Lender(s) NTT TC Leasing Co., Ltd., or NTT TC Leasing(1)      
Dates Drawn March 30, 2016      
Drawn | $   25    
Term Loans [Member] | Loan agreement date March 4, 2020 [Member] | Smart [Member] | Others Two [Member] | U S Dollar Debts | Costs [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount | $   140    
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 0      
Outstanding Amounts ₱ 6,380 125 6,675 $ 139
Lender(s) PNB      
Dates Drawn December 14, 2020      
Drawn | $   $ 140    
Term Loans [Member] | Loan agreement date March 20,2012 [Member] | 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 January 12, 2022      
Outstanding Amounts ₱ 1,900   1,920  
Lender(s) RCBC      
Dates Drawn April 12, 2012      
Drawn ₱ 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] | Loan agreement date September 3,2012 [Member] | 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      
Lender(s) Union Bank of the Philippines, or Union Bank      
Dates Drawn January 11, 2013      
Drawn ₱ 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] | Loan agreement date October 11, 2012 [Member] | 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      
Lender(s) AIA Philippines Life and General Company, or AIA Life, formerly Philippine American Life and General Insurance Company      
Dates Drawn December 3, 2012      
Drawn ₱ 1,000      
Terms Payable in full upon maturity on December 5, 2022      
Term Loans [Member] | Loan agreement date November 13, 2013 [Member] | 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      
Lender(s) Bank of the Philippine Islands, or BPI      
Dates Drawn Various dates in 2013-2014      
Drawn ₱ 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] | Loan agreement date November 25 ,2013 [Member] | 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      
Lender(s) Metrobank      
Dates Drawn November 29, 2013      
Drawn ₱ 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] | Loan agreement date December 3, 2013 [Member] | 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      
Lender(s) BPI      
Dates Drawn December 10, 2013      
Drawn ₱ 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] | Loan agreement date January 29, 2014 [Member] | 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      
Lender(s) LBP      
Dates Drawn February 5, 2014      
Drawn ₱ 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      
Lender(s) LBP      
Dates Drawn February 7, 2014      
Drawn ₱ 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] | Loan agreement date March 26, 2014 [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      
Lender(s) Union Bank      
Dates Drawn March 28, 2014      
Drawn ₱ 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 April 2, 2014 [Member] | 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 January 31, 2022      
Outstanding Amounts ₱ 1,500   1,500  
Lender(s) AIA Life      
Dates Drawn April 4, 2014      
Drawn ₱ 1,500      
Terms Payable in full upon maturity on April 4, 2024      
Term Loans [Member] | Loan agreement date April 2, 2014 [Member] | 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      
Lender(s) BDO      
Dates Drawn April 4, 2014      
Drawn ₱ 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] | Loan agreement date May 23, 2014 [Member] | PLDT [Member] | Unsecured Term Loan [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 1,000      
Issuance Date May 23, 2014      
Terms May 28, 2014      
Paid in full on February 28, 2022      
Outstanding Amounts ₱ 1,000   1,000  
Lender(s) AIA Life      
Drawn ₱ 1,000      
Terms Payable in full upon maturity on May 28, 2024      
Term Loans [Member] | Loan agreement date June 9, 2014 [Member] | PLDT [Member] | Unsecured Term Loan [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 1,000      
Issuance Date June 9, 2014      
Terms June 13, 2014      
Paid in full on 0      
Outstanding Amounts ₱ 930   940  
Lender(s) LBP      
Drawn ₱ 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] | Loan agreement date July 28, 2014 [Member] | PLDT [Member] | Unsecured Term Loan [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 1,500      
Issuance Date July 28, 2014      
Terms July 31, 2014      
Paid in full on 0      
Outstanding Amounts ₱ 1,395   1,410  
Lender(s) Union Bank      
Drawn ₱ 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] | Loan agreement date February 25, 2015 [Member] | PLDT [Member] | Unsecured Term Loan [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 2,000      
Issuance Date February 25, 2015      
Terms March 24, 2015      
Paid in full on 0      
Outstanding Amounts ₱ 1,810   1,900  
Lender(s) BPI      
Drawn ₱ 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] | Loan agreement date June 26, 2015 [Member] | PLDT [Member] | Unsecured Term Loan [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 3,000      
Issuance Date June 26, 2015      
Terms June 30, 2015      
Paid in full on 0      
Outstanding Amounts ₱ 2,820   2,850  
Lender(s) BPI      
Drawn ₱ 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] | Loan agreement date August 25, 2015 [Member] | PLDT [Member] | Unsecured Term Loans [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 5,000      
Issuance Date August 3, 2015      
Terms Various dates in 2015      
Paid in full on 0      
Outstanding Amounts ₱ 4,700   4,750  
Lender(s) Metrobank      
Drawn ₱ 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] | Loan agreement date August 11, 2015 [Member] | 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 0      
Outstanding Amounts ₱ 4,690   4,737  
Lender(s) Metrobank      
Dates Drawn September 1, 2015      
Drawn ₱ 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] | Loan agreement date December 11, 2015 [Member] | 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 0      
Outstanding Amounts ₱ 4,689   4,736  
Lender(s) BPI      
Dates Drawn December 21, 2015      
Drawn ₱ 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] | Loan agreement date December 16, 2015 [Member] | 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 0      
Outstanding Amounts ₱ 4,688   4,736  
Lender(s) Metrobank      
Dates Drawn December 28, 2015      
Drawn ₱ 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] | Loan agreement date December 18, 2015 [Member] | 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 0      
Outstanding Amounts ₱ 4,199   4,897  
Lender(s) China Banking Corporation, or CBC      
Dates Drawn December 28, 2015      
Drawn ₱ 7,000      
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      
Dates Drawn February 24,2016      
Term Loans [Member] | Loan agreement date July 1, 2016 [Member] | 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 0      
Outstanding Amounts ₱ 5,692   5,748  
Lender(s) Metrobank      
Dates Drawn August 30, 2016      
Drawn ₱ 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] | Loan agreement date July 14, 2016 [Member] | 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 0      
Outstanding Amounts ₱ 7,338   7,495  
Lender(s) Security Bank      
Dates Drawn February 27, 2017      
Drawn ₱ 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] | Loan agreement date September 20, 2016 [Member] | 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 0      
Outstanding Amounts ₱ 6,165   6,225  
Lender(s) BPI      
Dates Drawn November 2, 2016      
Drawn ₱ 6,500      
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 20, 2016 [Member] | PLDT [Member] | Unsecured Term Loans [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Dates Drawn December 19, 2016      
Term Loans [Member] | Loan agreement date September 28,2016 [Member] | Smart [Member] | Unsecured Term Loan [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 3,000      
Issuance Date September 28, 2016      
Paid in full on 0      
Outstanding Amounts ₱ 2,850   2,880  
Lender(s) BDO      
Dates Drawn October 5, 2016      
Drawn ₱ 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 20, 2016 [Member] | Smart [Member] | Unsecured Term Loan [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 5,400      
Issuance Date September 28, 2016      
Paid in full on 0      
Outstanding Amounts ₱ 5,126   5,178  
Lender(s) Union Bank      
Dates Drawn October 24, 2016      
Drawn ₱ 5,400      
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 Loan [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 5,300      
Issuance Date October 14, 2016      
Paid in full on 0      
Outstanding Amounts ₱ 5,027   5,076  
Lender(s) BPI      
Dates Drawn December 19, 2016      
Drawn ₱ 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 0      
Outstanding Amounts ₱ 1,750   2,000  
Lender(s) CBC      
Dates Drawn December 8, 2016      
Drawn ₱ 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 0      
Outstanding Amounts ₱ 1,899   1,917  
Lender(s) Security Bank      
Dates Drawn April 5, 2017      
Drawn ₱ 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 0      
Outstanding Amounts ₱ 925   970  
Lender(s) PNB      
Dates Drawn December 7, 2017      
Drawn ₱ 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 0      
Outstanding Amounts ₱ 1,940   1,960  
Lender(s) LBP      
Dates Drawn January 22, 2018      
Drawn ₱ 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 0      
Outstanding Amounts ₱ 3,350   3,383  
Lender(s) LBP      
Dates Drawn April 5, 2017      
Drawn ₱ 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] | 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 0      
Outstanding Amounts ₱ 1,455   1,470  
Lender(s) PNB      
Dates Drawn January 3, 2018      
Drawn ₱ 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 0      
Outstanding Amounts ₱ 1,910   1,930  
Lender(s) Security Bank      
Dates Drawn May 29, 2017      
Drawn ₱ 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 Loan [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 3,500      
Issuance Date July 5, 2017      
Paid in full on 0      
Outstanding Amounts ₱ 3,360   3,395  
Lender(s) LBP      
Dates Drawn July 10, 2017      
Drawn ₱ 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 Loan [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 1,500      
Issuance Date August 29, 2017      
Paid in full on 0      
Outstanding Amounts ₱ 1,458   1,470  
Lender(s) LBP      
Dates Drawn April 2, 2018      
Drawn ₱ 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 Loan [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 1,000      
Issuance Date September 28, 2017      
Paid in full on December 10, 2021      
Outstanding Amounts     980  
Lender(s) Union Bank      
Dates Drawn February 19, 2018      
Drawn ₱ 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 19,2018 [Member] | PLDT [Member] | Unsecured Term Loan [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 2,000      
Issuance Date April 19, 2018      
Paid in full on 0      
Outstanding Amounts ₱ 1,767   1,960  
Lender(s) LBP      
Dates Drawn April 25, 2018      
Drawn ₱ 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 Loan [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 1,000      
Issuance Date April 20, 2018      
Paid in full on 0      
Outstanding Amounts ₱ 878   980  
Lender(s) LBP      
Dates Drawn May 3, 2018      
Drawn ₱ 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 0      
Outstanding Amounts ₱ 1,773   1,960  
Lender(s) BPI      
Dates Drawn May 10, 2018      
Drawn ₱ 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] | Smart [Member] | Unsecured Term Loan [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 2,000      
Issuance Date May 25, 2018      
Paid in full on 0      
Outstanding Amounts ₱ 1,933   1,951  
Lender(s) BPI      
Dates Drawn May 28, 2018      
Drawn ₱ 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] | Smart [Member] | Unsecured Term Loan [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 1,500      
Issuance Date June 27, 2018      
Paid in full on 0      
Outstanding Amounts ₱ 1,485   1,500  
Lender(s) Development Bank of the Philippines, or DBP      
Dates Drawn June 28, 2018      
Drawn ₱ 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] | Smart [Member] | Unsecured Term Loan [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 3,000      
Issuance Date July 31, 2018      
Paid in full on 0      
Outstanding Amounts ₱ 2,894   2,922  
Lender(s) BPI      
Dates Drawn August 10, 2018      
Drawn ₱ 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] | Smart [Member] | Unsecured Term Loan [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 5,000      
Issuance Date January 11, 2019      
Paid in full on 0      
Outstanding Amounts ₱ 4,865   4,980  
Lender(s) DBP      
Dates Drawn May 6, 2019      
Drawn ₱ 2,000      
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      
Dates Drawn September 2, 2019      
Drawn ₱ 3,000      
Term Loans [Member] | Loan agreement date February 18, 2019 [Member] | PLDT [Member] | Unsecured Term Loan [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 8,000      
Issuance Date February 18, 2019      
Paid in full on 0      
Outstanding Amounts ₱ 7,822   7,900  
Lender(s) Union Bank      
Dates Drawn July 11, 2019      
Drawn ₱ 3,000      
Dates Drawn September 6, 2019      
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      
Dates Drawn November 5, 2019      
Drawn ₱ 2,000      
Drawn 1,000      
Drawn 2,000      
Term Loans [Member] | Loan agreement date February 21, 2019 [Member] | Smart [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 0      
Outstanding Amounts ₱ 3,708   3,936  
Lender(s) PNB      
Dates Drawn March 11, 2019      
Drawn ₱ 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 April 11, 2019 [Member] | PLDT [Member] | Unsecured Term Loans [Member] | Philippine Peso Debts [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 2,000      
Issuance Date April 11, 2019      
Paid in full on 0      
Outstanding Amounts ₱ 1,949   1,968  
Lender(s) Bank of China (Hong Kong) Limited, Manila Branch      
Dates Drawn September 6, 2019      
Drawn ₱ 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 July 1, 2019 [Member] | PLDT [Member] | Unsecured Term Loans [Member] | Philippine Peso Debts [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 2,000      
Issuance Date July 1, 2019      
Paid in full on 0      
Outstanding Amounts ₱ 1,949   1,967  
Lender(s) PNB      
Dates Drawn September 6, 2019      
Drawn ₱ 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] | Smart [Member] | Unsecured Term Loans [Member] | Philippine Peso Debts [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 8,000      
Issuance Date September 25, 2019      
Paid in full on 0      
Outstanding Amounts ₱ 7,635   7,949  
Lender(s) CBC      
Dates Drawn October 2, 2019      
Drawn ₱ 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] | Philippine Peso Debts [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 4,000      
Issuance Date December 9, 2019      
Paid in full on 0      
Outstanding Amounts ₱ 3,975   3,973  
Lender(s) DBP      
Dates Drawn December 12, 2019      
Drawn ₱ 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 December 12, 2019 [Member] | PLDT [Member] | Unsecured Term Loans [Member] | Philippine Peso Debts [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 4,500      
Issuance Date December 12, 2019      
Paid in full on 0      
Outstanding Amounts ₱ 4,382   4,424  
Lender(s) BPI      
Dates Drawn December 15, 2019      
Drawn ₱ 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 January 20, 2020 [Member] | Smart [Member] | Unsecured Term Loans [Member] | Philippine Peso Debts [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 3,000      
Issuance Date January 20, 2020      
Paid in full on 0      
Outstanding Amounts ₱ 2,893   2,979  
Lender(s) BDO      
Dates Drawn January 24, 2020      
Drawn ₱ 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] | Philippine Peso Debts [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 5,000      
Issuance Date January 29, 2020      
Paid in full on 0      
Outstanding Amounts ₱ 4,854   4,965  
Lender(s) BDO      
Dates Drawn January 31, 2020      
Drawn ₱ 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] | Loan agreement date March 24, 2020 [Member] | PLDT [Member] | Unsecured Term Loans [Member] | Philippine Peso Debts [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 4,000      
Issuance Date March 24, 2020      
Paid in full on 0      
Outstanding Amounts ₱ 3,827   3,972  
Lender(s) RCBC      
Dates Drawn March 26, 2020      
Drawn ₱ 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 March 30, 2020 [Member] | PLDT [Member] | Unsecured Term Loans [Member] | Philippine Peso Debts [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 2,500      
Issuance Date March 30, 2020      
Paid in full on 0      
Outstanding Amounts ₱ 2,488   2,484  
Lender(s) MUFG Bank, Ltd.      
Dates Drawn April 2, 2020      
Drawn ₱ 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 May 20, 2020 [Member] | PLDT [Member] | Unsecured Term Loans [Member] | Philippine Peso Debts [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 3,000      
Issuance Date May 20, 2020      
Paid in full on 0      
Outstanding Amounts ₱ 2,951   2,979  
Lender(s) LBP      
Dates Drawn May 28, 2020      
Drawn ₱ 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] | Loan agreement date May 20, 2020 [Member] | Smart [Member] | Philippine Peso Debts [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 4,000      
Issuance Date May 20, 2020      
Paid in full on 0      
Outstanding Amounts ₱ 3,933   3,970  
Lender(s) LBP      
Dates Drawn November 20, 2020      
Drawn ₱ 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] | Philippine Peso Debts [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 3,000      
Issuance Date May 21, 2020      
Paid in full on 0      
Outstanding Amounts ₱ 2,949   ₱ 2,978  
Lender(s) LBP      
Dates Drawn December 18, 2020      
Drawn ₱ 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] | Maturity On February 16, 2032 [Member] | Unsecured Term Loans [Member] | Philippine Peso Debts [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 5,000      
Issuance Date February 9, 2021      
Paid in full on 0      
Outstanding Amounts ₱ 4,965      
Lender(s) BPI      
Dates Drawn February 15, 2021      
Drawn ₱ 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] | Maturity On March 9, 2031 [Member] | Unsecured Term Loans [Member] | Philippine Peso Debts [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 3,000      
Issuance Date March 4, 2021      
Paid in full on 0      
Outstanding Amounts ₱ 2,979      
Lender(s) LBP      
Dates Drawn March 9, 2021      
Drawn ₱ 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 9, 2031      
Term Loans [Member] | Loan agreement date March 5, 2021 [Member] | Smart [Member] | Maturity On May 25, 2031 [Member] | Unsecured Term Loans [Member] | Philippine Peso Debts [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 3,000      
Issuance Date March 5, 2021      
Paid in full on 0      
Outstanding Amounts ₱ 2,979      
Lender(s) LBP      
Dates Drawn May 25, 2021      
Drawn ₱ 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 25, 2031      
Term Loans [Member] | Loan agreement date March 8, 2021 [Member] | Smart [Member] | Maturity On March 30, 2031 [Member] | Unsecured Term Loans [Member] | Philippine Peso Debts [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 4,000      
Issuance Date March 8, 2021      
Paid in full on 0      
Outstanding Amounts ₱ 3,972      
Lender(s) LBP      
Dates Drawn March 30, 2021      
Drawn ₱ 4,000      
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 30, 2031      
Term Loans [Member] | Loan agreement date March 31, 2021 [Member] | PLDT [Member] | Maturity On April 14, 2032 [Member] | Unsecured Term Loans [Member] | Philippine Peso Debts [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 3,000      
Issuance Date March 31, 2021      
Paid in full on 0      
Outstanding Amounts ₱ 2,979      
Lender(s) BPI      
Dates Drawn April 14, 2021      
Drawn ₱ 3,000      
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 April 14, 2032      
Term Loans [Member] | Loan agreement date March 31, 2021 [Member] | PLDT [Member] | Maturity On April 29, 2032 [Member] | Unsecured Term Loans [Member] | Philippine Peso Debts [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 2,000      
Issuance Date March 31, 2021      
Paid in full on 0      
Outstanding Amounts ₱ 2,000      
Lender(s) BPI      
Dates Drawn April 29, 2021      
Drawn ₱ 2,000      
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 April 29, 2032      
Term Loans [Member] | Loan agreement date April 14, 2021 [Member] | Smart [Member] | Maturity On June 8, 2032 [Member] | Unsecured Term Loans [Member] | Philippine Peso Debts [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 4,000      
Issuance Date April 14, 2021      
Paid in full on 0      
Outstanding Amounts ₱ 3,971      
Lender(s) Metrobank      
Dates Drawn June 8, 2021      
Drawn ₱ 4,000      
Terms Annual amortization rate equivalent to 1% of the advance starting on the second-year up to the tenth-year anniversary of the drawdown date and the balance payable upon maturity on June 8, 2032      
Term Loans [Member] | Loan agreement date April 15, 2021 [Member] | Smart [Member] | Maturity On September 1, 2032 [Member] | Unsecured Term Loans [Member] | Philippine Peso Debts [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 3,000      
Issuance Date April 15, 2021      
Paid in full on 0      
Outstanding Amounts ₱ 2,978      
Lender(s) Metrobank      
Dates Drawn September 1, 2021      
Drawn ₱ 3,000      
Terms Annual amortization rate equivalent to 1% of the advance starting on the second-year up to the tenth-year anniversary of the drawdown date and the balance payable upon maturity on September 1, 2032      
Term Loans [Member] | Loan agreement date April 30, 2021 [Member] | PLDT [Member] | Maturity On July 21, 2032 [Member] | Philippine Peso Debts [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 3,000      
Issuance Date April 30, 2021      
Paid in full on 0      
Outstanding Amounts ₱ 2,978      
Lender(s) Metrobank      
Dates Drawn June 21, 2021      
Drawn ₱ 3,000      
Terms Annual amortization rate equivalent to 1% of the advance starting on the second-year up to the tenth-year from drawdown date and the balance of 91% payable upon maturity on June 21, 2032      
Term Loans [Member] | Loan agreement date June 14, 2021 [Member] | PLDT [Member] | Maturity On September 1, 2032 [Member] | Unsecured Term Loans [Member] | Philippine Peso Debts [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 4,000      
Issuance Date June 14, 2021      
Paid in full on 0      
Outstanding Amounts ₱ 3,971      
Lender(s) RCBC      
Dates Drawn September 1, 2021      
Drawn ₱ 4,000      
Terms Annual amortization rate equivalent to 1% of the advance starting on the first-year up to the eighth-year and tenth-year from drawdown date and equal amortization equivalent to 45.5% of the advance on the ninth-year and upon maturity on September 1, 2032      
Term Loans [Member] | Loan agreement date June 14, 2021 [Member] | PLDT [Member] | Maturity On July 15, 2032 [Member] | Unsecured Term Loans [Member] | Philippine Peso Debts [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 3,000      
Issuance Date June 14, 2021      
Paid in full on 0      
Outstanding Amounts ₱ 2,978      
Lender(s) RCBC      
Dates Drawn July 15, 2021      
Drawn ₱ 3,000      
Terms Annual amortization rate equivalent to 1% of the advance starting on the first-year up to the eighth-year and tenth-year from drawdown date and equal amortization equivalent to 45.5% of the advance on the ninth-year and upon maturity on July 15, 2032      
Term Loans [Member] | Loan agreement date September 28, 2021 [Member] | Smart [Member] | Maturity On October 15, 2031 [Member] | Unsecured Term Loans [Member] | Philippine Peso Debts [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 1,000      
Issuance Date September 28, 2021      
Paid in full on 0      
Outstanding Amounts ₱ 1,000      
Lender(s) BDO      
Dates Drawn October 15, 2021      
Drawn ₱ 1,000      
Terms Annual amortization rate equivalent to 1% of the advance starting on the first-year up to the ninth-year from the drawdown date and the balance of 91% payable upon maturity on October 15, 2031      
Term Loans [Member] | Loan Agreement Date November 17, 2021 [Member] | Smart [Member] | Maturity On November 22, 2028 [Member] | Unsecured Term Loans [Member] | Philippine Peso Debts [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 3,000      
Issuance Date November 17, 2021      
Paid in full on 0      
Outstanding Amounts ₱ 2,978      
Lender(s) BDO      
Dates Drawn November 22, 2021      
Drawn ₱ 3,000      
Terms Annual amortization rate equivalent to 1% of the advance starting on the first-year up to the sixth-year from the drawdown date and the balance of 94% payable upon maturity on November 22, 2028      
Term Loans [Member] | Loan Agreement Date November 24, 2021 [Member] | PLDT [Member] | Maturity On March 1, 2033 [Member] | Unsecured Term Loans [Member] | Philippine Peso Debts [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 1,000      
Issuance Date November 24, 2021      
Paid in full on 0      
Outstanding Amounts ₱ 1,000      
Lender(s) BPI      
Dates Drawn December 1, 2021      
Drawn ₱ 1,000      
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 March 1, 2033      
Term Loans [Member] | Loan Agreement Date November 24, 2021 [Member] | PLDT [Member] | Maturity On March 17, 2033 [Member] | Unsecured Term Loans [Member] | Philippine Peso Debts [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 3,000      
Issuance Date November 24, 2021      
Paid in full on 0      
Outstanding Amounts ₱ 2,978      
Lender(s) BPI      
Dates Drawn December 17, 2021      
Drawn ₱ 3,000      
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 March 17, 2033      
Term Loans [Member] | Loan Agreement Date November 24, 2021 [Member] | PLDT [Member] | Maturity On March 17, 2033 [Member] | Unsecured Term Loans [Member] | Philippine Peso Debts [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 4,000      
Issuance Date November 24, 2021      
Paid in full on 0      
Outstanding Amounts ₱ 3,970      
Lender(s) BPI      
Dates Drawn December 17, 2021      
Drawn ₱ 4,000      
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 March 17, 2033      
Term Loans [Member] | Loan Agreement Date December 10, 2021 [Member] | PLDT [Member] | Maturity On December 17, 2031 [Member] | Unsecured Term Loans [Member] | Philippine Peso Debts [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 2,500      
Issuance Date December 10, 2021      
Paid in full on 0      
Outstanding Amounts ₱ 2,500      
Lender(s) LBP      
Dates Drawn December 17, 2021      
Drawn ₱ 2,500      
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 17, 2031      
Term Loans [Member] | Loan Agreement Date December 14, 2021 [Member] | Smart [Member] | Maturity On January 21, 2030 [Member] | Unsecured Term Loans [Member] | Philippine Peso Debts [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 3,000      
Issuance Date December 14, 2021      
Paid in full on 0      
Lender(s) DBP      
Dates Drawn January 20, 2022      
Drawn ₱ 3,000      
Terms Annual amortization rate equivalent to 1% of the advance starting on the first-year up to the seventh-year from the drawdown date and the balance of 93% payable upon maturity on January 21, 2030      
Term Loans [Member] | Loan Agreement Date December 14, 2021 [Member] | Smart [Member] | Maturity On January 20, 2031 [Member] | Unsecured Term Loans [Member] | Philippine Peso Debts [Member]        
Disclosure Of Detailed Information About Borrowings [Line Items]        
Loan Amount ₱ 2,000      
Issuance Date December 14, 2021      
Paid in full on 0      
Lender(s) DBP      
Dates Drawn January 20, 2022      
Drawn ₱ 2,000      
Terms Annual amortization rate equivalent to 1% of the advance starting on the first-year up to the eight-year from the drawdown date and the balance of 92% payable upon maturity on January 20, 2031