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Management's Use of Accounting Judgments, Estimates and Assumptions - Additional Information (Detail) ₱ in Millions |  |  |  |  |  |  |  |  |  | 1 Months Ended | 12 Months Ended | 36 Months Ended
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Jul. 29, 2022 PHP (₱) | Jul. 01, 2020 | Jun. 30, 2020 | Mar. 02, 2018 PHP (₱) | Dec. 05, 2017 | Jun. 27, 2017 | Jun. 13, 2017 PHP (₱) | Aug. 24, 2016 | May 30, 2016 PHP (₱) | Aug. 31, 2022 PHP (₱) | Dec. 31, 2022 PHP (₱) Director Seat | Dec. 31, 2021 PHP (₱) | Dec. 31, 2020 PHP (₱) | Jun. 30, 2023
Managements Use Of Accounting Judgments Estimates And Assumptions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Period due after which default occurs of trade receivables and all other financial assets subject to impairment |  |  |  |  |  |  |  |  |  |  | 90 days |  |  |
Period due after which default occurs of trade receivables from Corporate subscribers |  |  |  |  |  |  |  |  |  |  | 120 days |  |  |
Period due after which there is significant increase in credit risk in asset |  |  |  |  |  |  |  |  |  |  | 30 days |  |  |
Period before which there is low credit risk in financial asset |  |  |  |  |  |  |  |  |  |  | 30 days |  |  |
Depreciation of ROU assets |  |  |  |  |  |  |  |  |  |  | ₱ 5,716 | ₱ 5,388 | ₱ 4,940 |
Lease liabilities |  |  |  |  |  |  |  |  |  |  | ₱ 42,435 | 21,686 | 20,025 |
Total consideration for the acquisition of existing shares |  |  |  |  |  |  |  |  | ₱ 52,800 |  |  |  |  |
Number of retained board seats. | Seat |  |  |  |  |  |  |  |  |  |  | 4 |  |  |
Equity interest acquired |  |  |  |  |  |  |  | 87.12% | 50.00% |  |  |  |  |
Total consideration | ₱ 100 |  |  |  |  |  | ₱ 21,800 |  | ₱ 26,200 | ₱ 136 |  |  |  |
Net taxable income |  |  |  |  |  |  |  |  |  |  | ₱ 3,377 | 8,538 | 9,906 |
Provision for current tax expense income |  |  |  |  |  |  |  |  |  |  | 6,949 | 5,130 | 4,452 |
Deferred income tax assets and liabilities |  |  |  |  |  |  |  |  |  |  | (17,432) | (13,216) | (18,830) |
Provision (benefit) from deferred income taxes |  |  |  |  |  |  |  |  |  |  | (4,175) | 2,348 | 3,989 |
Additional depreciation recognized |  |  |  |  |  |  |  |  |  |  | 46 |  | 1,028 |
Total depreciation and amortization of property and equipment |  |  |  |  |  |  |  |  |  |  | 92,998 | 46,781 | 42,540 |
Carrying values of property and equipment, net of accumulated depreciation and amortization |  |  |  |  |  |  |  |  |  |  | 292,745 | 302,736 | 260,868 |
Amortization of intangible assets (Notes 15) |  |  |  |  |  |  |  |  |  |  | 228 | 2,822 | 2,496 |
Total carrying values of intangible assets |  |  |  |  |  |  |  |  |  |  | 1,608 | 1,156 |  |
Consolidated unrecognized deferred income tax assets |  |  |  |  |  |  |  |  |  |  | 748 | 901 |  |
Deferred income tax assets – net (Note 7) |  |  |  |  |  |  |  |  |  |  | 17,636 | 13,385 | 19,556 |
Provision for expected credit losses for trade and other receivables |  |  |  |  |  |  |  |  |  |  | 5,156 | 3,737 | 6,446 |
Impairment losses for contract assets |  |  |  |  |  |  |  |  |  |  | 227 | 253 | 266 |
Trade and other receivables, net of allowance for expected credit losses |  |  |  |  |  |  |  |  |  |  | 26,255 | 21,790 |  |
Contract assets, net of allowance for expected credit losses |  |  |  |  |  |  |  |  |  |  | 2,233 | 2,251 |  |
Net pension benefit costs |  |  |  |  |  |  |  |  |  |  | 1,749 | 2,213 | 2,218 |
Prepaid benefit costs |  |  |  |  |  |  |  |  |  |  | 95,749 | 107,484 |  |
Accrued benefit costs |  |  |  |  |  |  |  |  |  |  | 1,745 | 7,760 |  |
Total provision for asset retirement obligations |  |  |  |  |  |  |  |  |  |  | 1,514 | 2,121 | 2,000 |
Total fair values of noncurrent financial assets |  |  |  |  |  |  |  |  |  |  | 3,851 | 3,067 |  |
Total fair values of noncurrent financial liabilities |  |  |  |  |  |  |  |  |  |  | 203,459 | 244,568 |  |
Transformation Incentive Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Managements Use Of Accounting Judgments Estimates And Assumptions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expense from share-based payment transactions in which goods or services received did not qualify for recognition as assets |  |  |  |  |  |  |  |  |  |  | 1,272 | 1,186 | 1,134 |
Accrued incentive payable |  |  |  |  |  |  |  |  |  |  | 1,294 | 2,384 |  |
Benefit Costs [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Managements Use Of Accounting Judgments Estimates And Assumptions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Prepaid benefit costs |  |  |  |  |  |  |  |  |  |  | 1,598 | 1,018 |  |
Defined Benefit Pension Plans [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Managements Use Of Accounting Judgments Estimates And Assumptions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net pension benefit costs |  |  |  |  |  |  |  |  |  |  | 1,749 | 2,213 | 2,218 |
Intangible Assets with Finite Life [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Managements Use Of Accounting Judgments Estimates And Assumptions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Carrying values of property and equipment, net of accumulated depreciation and amortization |  |  |  |  |  |  |  |  |  |  | 1,388 | 1,156 |  |
Two G Technology Related Equipment |  |  |  |  |  |  |  |  |  |  |  |  |  |
Managements Use Of Accounting Judgments Estimates And Assumptions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Additional depreciation recognized |  |  |  |  |  |  |  |  |  |  | 87 | 1,397 | 1,458 |
Three G Technology Related Equipment |  |  |  |  |  |  |  |  |  |  |  |  |  |
Managements Use Of Accounting Judgments Estimates And Assumptions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Additional depreciation recognized |  |  |  |  |  |  |  |  |  |  | 9,421 | 1,406 | ₱ 3,035 |
IT, Tech refresh programs, Core Modernization and Support Replacements [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Managements Use Of Accounting Judgments Estimates And Assumptions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Additional depreciation recognized |  |  |  |  |  |  |  |  |  |  |  | ₱ 1,138 |  |
Enterprise-wide Network Asset Physical Verification Activity [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Managements Use Of Accounting Judgments Estimates And Assumptions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Additional depreciation recognized |  |  |  |  |  |  |  |  |  |  | 3,044 |  |  |
Softwares and Related Services Upgraded [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Managements Use Of Accounting Judgments Estimates And Assumptions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Additional depreciation recognized |  |  |  |  |  |  |  |  |  |  | 2,122 |  |  |
Network equipment [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Managements Use Of Accounting Judgments Estimates And Assumptions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Additional depreciation recognized |  |  |  |  |  |  |  |  |  |  | 9,711 |  |  |
Fortification of Fiber Optic Cables [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Managements Use Of Accounting Judgments Estimates And Assumptions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Additional depreciation recognized |  |  |  |  |  |  |  |  |  |  | 3,215 |  |  |
Optical Line Terminal [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Managements Use Of Accounting Judgments Estimates And Assumptions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Additional depreciation recognized |  |  |  |  |  |  |  |  |  |  | 786 |  |  |
Modernization of Key Core Network Equipment and Facilities [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Managements Use Of Accounting Judgments Estimates And Assumptions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Additional depreciation recognized |  |  |  |  |  |  |  |  |  |  | 525 |  |  |
Modernization of Key Core Network Equipment and Facilities [Member] | Smart Inc [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Managements Use Of Accounting Judgments Estimates And Assumptions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Additional depreciation recognized |  |  |  |  |  |  |  |  |  |  | 1,334 |  |  |
Transport Network Transformation [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Managements Use Of Accounting Judgments Estimates And Assumptions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Additional depreciation recognized |  |  |  |  |  |  |  |  |  |  | 14,128 |  |  |
Transport Network Transformation [Member] | Smart Inc [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Managements Use Of Accounting Judgments Estimates And Assumptions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Additional depreciation recognized |  |  |  |  |  |  |  |  |  |  | ₱ 5,074 |  |  |
CREATE Act [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Managements Use Of Accounting Judgments Estimates And Assumptions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lower income tax rate |  |  |  |  |  |  |  |  |  |  |  |  | 25.00% |
Deferred income tax assets and liabilities |  |  |  |  |  |  |  |  |  |  |  |  | ₱ 3,125 |
Provision (benefit) from deferred income taxes |  |  |  |  |  |  |  |  |  |  |  |  | ₱ 579 |
BIR Revenue Regulations [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Managements Use Of Accounting Judgments Estimates And Assumptions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Applicable tax rate |  |  |  |  |  |  |  |  |  |  |  |  | 27.50% |
Provision for current tax expense income |  |  |  |  |  |  |  |  |  |  |  |  | ₱ 485 |
Domestic and Foreign Corporations [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Managements Use Of Accounting Judgments Estimates And Assumptions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Applicable tax rate |  | 25.00% | 30.00% |  |  |  |  |  |  |  |  |  |  |
Small and Medium Domestic Corporations [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Managements Use Of Accounting Judgments Estimates And Assumptions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lower income tax rate |  |  |  |  |  |  |  |  |  |  | 20.00% |  |  |
Vega Telecom Inc. [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Managements Use Of Accounting Judgments Estimates And Assumptions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total carrying values of intangible assets |  |  |  |  |  |  |  |  | ₱ 18,885 |  |  |  |  |
Brightshare Holdings, Inc. [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Managements Use Of Accounting Judgments Estimates And Assumptions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity interest acquired |  |  |  |  |  |  |  |  | 50.00% |  |  |  |  |
Percentage of right on net assets |  |  |  |  |  |  |  |  | 50.00% |  |  |  |  |
PCEVs Beacon Electric Asset Holdings Inc [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Managements Use Of Accounting Judgments Estimates And Assumptions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity interest acquired |  |  |  |  | 75.00% |  |  |  |  |  |  |  |  |
Total consideration |  |  |  | ₱ 4,852 |  |  |  |  |  |  |  |  |  |
Consideration settlement period in installments |  |  |  |  |  | annual installments from June 2018 to June 2021 |  |  |  |  |  |  |  |
Beacon Electric Asset Holdings, Inc. [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Managements Use Of Accounting Judgments Estimates And Assumptions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity interest acquired |  |  |  |  |  |  |  |  | 50.00% |  |  |  |  |
Consideration settlement period in installments |  |  |  |  |  |  |  |  | annual installments until June 2020 |  |  |  |  |
Equity interest |  |  |  |  |  |  |  |  | 20.00% |  |  |  |  |
PLDT Communications and Energy Ventures, Inc. [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Managements Use Of Accounting Judgments Estimates And Assumptions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of ownership |  |  |  |  |  |  |  |  |  |  | 47.60% | 65.30% |  |
Number of directors | Director |  |  |  |  |  |  |  |  |  |  | 9 |  |  |
Number of board seats | Seat |  |  |  |  |  |  |  |  |  |  | 9 |  |  |
Additional depreciation recognized |  |  |  |  |  |  |  |  |  |  | ₱ 1,798 |  |  |
Bottom of range [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Managements Use Of Accounting Judgments Estimates And Assumptions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of NCI for partly-owned subsidiaries of parent |  |  |  |  |  |  |  |  |  |  | 5.00% | 5.00% |  |
Bottom of range [member] | CREATE Act [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Managements Use Of Accounting Judgments Estimates And Assumptions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lower MCIT rate |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.00%
Bottom of range [member] | MCIT [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Managements Use Of Accounting Judgments Estimates And Assumptions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Applicable tax rate |  |  |  |  |  |  |  |  |  |  |  |  | 2.00% |
Top of range [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Managements Use Of Accounting Judgments Estimates And Assumptions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-cancellable lease period |  |  |  |  |  |  |  |  |  |  | 30 years |  |  |
Top of range [member] | CREATE Act [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Managements Use Of Accounting Judgments Estimates And Assumptions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lower MCIT rate |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.00%
Top of range [member] | RCIT [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Managements Use Of Accounting Judgments Estimates And Assumptions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Applicable tax rate |  |  |  |  |  |  |  |  |  |  |  |  | 30.00% |

X
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- Definition The amount of identifiable non-monetary assets without physical substance. This amount does not include goodwill. [Refer: Goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2022-03-24 -Paragraph 118 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2022-en-r&anchor=para_118_e&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 54 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_54_c&doctype=Standard -URIDate 2022-03-24 + Details
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