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v3.20.1

Financial Assets and Liabilities - Additional Information (Detail) |  |  |  | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Mar. 30, 2020 PHP (₱) | Mar. 30, 2020 USD ($) | Aug. 02, 2016 | Aug. 05, 2014 | Dec. 31, 2019 PHP (₱) USD ($) | Dec. 31, 2018 PHP (₱) USD ($) | Dec. 31, 2017 PHP (₱) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2016 PHP (₱)
Disclosure Of Financial Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |
Financial instruments subject to enforceable master netting arrangement |  |  |  |  | ₱ 0 | ₱ 0 |  |  |  |
Transfers into of Level 3 of fair value hierarchy, investment properties |  |  |  |  | 0 | 0 |  |  |  |
Transfers out of Level 3 of fair value hierarchy, investment properties |  |  |  |  | 0 | 0 |  |  |  |
Financial liabilities fair value transfer into Level 3 |  |  |  |  | 0 | 0 |  |  |  |
Financial liabilities fair value transfer out of Level 3 |  |  |  |  | 0 | 0 |  |  |  |
Transfer of financial assets fair value from Level 1 to Level 2 |  |  |  |  | 0 | 0 |  |  |  |
Transfer of financial assets fair value from Level 2 to Level 1 |  |  |  |  | 0 | 0 |  |  |  |
Transfer of financial liabilities fair value from Level 1 to Level 2 |  |  |  |  | 0 | 0 |  |  |  |
Transfer of financial liabilities fair value from Level 2 to Level 1 |  |  |  |  | 0 | 0 |  |  |  |
Cash and cash equivalents |  |  |  |  | 24,369,000,000 | 51,654,000,000 | ₱ 32,905,000,000 |  |  | ₱ 38,722,000,000
Short-term investments |  |  |  |  | ₱ 314,000,000 | 1,165,000,000 |  |  |  |
Exchange rate |  |  |  |  | 1.00 |  |  |  |  |
Increase in consolidated foreign currency-denominated financial liabilities |  |  |  |  | ₱ 76,000,000 |  |  |  |  |
Net foreign exchange gain |  |  |  |  | ₱ 408,000,000 |  |  |  |  |
Foreign exchange losses |  |  |  |  |  | 771,000,000 | ₱ 411,000,000 |  |  |
Percentage of decrease or decrease in value of currency |  |  |  |  | 0.59% |  |  |  |  |
Weighted Average Foreign Exchange Rate |  |  |  |  | 1.00 |  |  |  |  |
Foreign exchange gain (loss ) after tax |  |  |  |  | ₱ 62,000,000 |  |  |  |  |
Net foreign exchange gain /loss on equity instrument |  |  |  |  | 58,000,000 |  |  |  |  |
Decrease in consolidated variable rate debt |  |  |  |  | ₱ 35,098,000,000 | ₱ 36,575,000,000 |  |  |  |
Decrease in dividend payout |  |  | 60.00% |  |  |  |  |  |  |
Bottom of range [member] |  |  |  |  |  |  |  |  |  |
Disclosure Of Financial Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |
Dividend Pay Out Rate |  |  |  | 70.00% |  |  |  |  |  |
Top of range [member] |  |  |  |  |  |  |  |  |  |
Disclosure Of Financial Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |
Dividend Pay Out Rate |  |  |  | 75.00% |  |  |  |  |  |
Floating interest rate [member] |  |  |  |  |  |  |  |  |  |
Disclosure Of Financial Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |
Percentage of consolidated debts with variable rates |  |  |  |  | 18.00% | 21.00% |  | 18.00% | 21.00% |
Fixed interest rate [member] |  |  |  |  |  |  |  |  |  |
Disclosure Of Financial Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |
Percentage of consolidated debts with fixed rate |  |  |  |  | 88.00% | 89.00% |  | 88.00% | 89.00% |
Foreign currency exchange risk [Member] |  |  |  |  |  |  |  |  |  |
Disclosure Of Financial Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |
Exchange rate |  |  |  |  | 1.00 | 1.00 |  |  |  |
Percentage of consolidated debts |  |  |  |  | 9.00% | 13.00% |  |  |  |
Decrease in consolidated foreign currency-denominated debt |  |  |  |  | ₱ 17,029,000,000 | ₱ 23,352,000,000 |  |  |  |
Percentage of consolidated debts unhedged |  |  |  |  | 8.00% | 12.00% |  | 8.00% | 12.00% |
Percentage of consolidated debts unhedged net of cash allocated for debt |  |  |  |  | 8.00% | 8.00% |  | 8.00% | 8.00% |
Percentage of consolidated revenues denominated in U.S. dollars |  |  |  |  | 15.00% | 16.00% |  | 15.00% | 16.00% |
Percentage of consolidated expenses denominated in U.S. dollars |  |  |  |  | 11.00% | 8.00% |  | 11.00% | 8.00% |
Increase in value of currency |  |  |  |  | 3.35% |  |  |  |  |
Weighted Average Foreign Exchange Rate |  |  |  |  | 1.00 | 1.00 |  |  |  |
Currency Swap Contract [Member] | Foreign currency exchange risk [Member] |  |  |  |  |  |  |  |  |  |
Disclosure Of Financial Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |
Long-term principal only currency swap | $ |  |  |  |  |  |  |  | $ 36,000,000 | $ 47,000,000 |
Interest rate swap contract [member] |  |  |  |  |  |  |  |  |  |
Disclosure Of Financial Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |
Long-term principal only currency swap |  |  |  |  | ₱ 233,000,000 | ₱ 323,000,000 |  |  |  |
Events After Reporting Period [Member] |  |  |  |  |  |  |  |  |  |
Disclosure Of Financial Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |
Exchange rate | 51.04 | 1.00 |  |  |  |  |  |  |  |
Weighted Average Foreign Exchange Rate | 51.04 | 1.00 |  |  |  |  |  |  |  |
Less than 1 year [Member] |  |  |  |  |  |  |  |  |  |
Disclosure Of Financial Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |
Outstanding consolidated commercial commitments |  |  |  |  |  | 20,000,000 |  |  |  |
Other obligations [Member] |  |  |  |  |  |  |  |  |  |
Disclosure Of Financial Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |
Various Trade And Other Obligations |  |  |  |  | ₱ 153,255,000,000 | ₱ 145,892,000,000 |  |  |  |
Foreign currency exchange risk [Member] |  |  |  |  |  |  |  |  |  |
Disclosure Of Financial Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  | 15 |  |  |  |  |
Percentage of exchange rate weaken/strengthen |  |  |  |  | 20.00% |  |  |  |  |
Foreign currency exchange risk [Member] | U.S. Dollars [Member] |  |  |  |  |  |  |  |  |  |
Disclosure Of Financial Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  | 15 |  |  |  |  |
Increase decrease in profit after tax |  |  |  |  | ₱ 2,000,000 |  |  |  |  |
Foreign currency exchange risk [Member] | Philippine Peso [Member] |  |  |  |  |  |  |  |  |  |
Disclosure Of Financial Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  | 20 |  |  |  |  |
Increase decrease in profit after tax |  |  |  |  | ₱ 14,000,000 |  |  |  |  |

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