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Trade and Other Receivables - Summary of Trade and Other Receivables (Detail) - PHP (₱) ₱ in Millions | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
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Disclosure Of Financial Assets [Line Items] |  |  |
Trade and other receivables | ₱ 22,436 | ₱ 24,056 | ₱ 33,761
Costs [Member] |  |  |
Disclosure Of Financial Assets [Line Items] |  |  |
Trade and other receivables | 39,340 | 40,559 |
Costs [Member] | Retail subscribers [Member] |  |  |
Disclosure Of Financial Assets [Line Items] |  |  |
Trade and other receivables | 17,178 | 19,444 |
Costs [Member] | Corporate subscribers [Member] |  |  |
Disclosure Of Financial Assets [Line Items] |  |  |
Trade and other receivables | 13,005 | 11,073 |
Costs [Member] | Foreign administrations [Member] |  |  |
Disclosure Of Financial Assets [Line Items] |  |  |
Trade and other receivables | 1,896 | 4,225 |
Costs [Member] | Domestic carriers [Member] |  |  |
Disclosure Of Financial Assets [Line Items] |  |  |
Trade and other receivables | 889 | 270 |
Costs [Member] | Dealers agents and others [Member] |  |  |
Disclosure Of Financial Assets [Line Items] |  |  |
Trade and other receivables | 6,372 | 5,547 |
Accumulated provision for expected credit losses [Member] |  |  |
Disclosure Of Financial Assets [Line Items] |  |  |
Trade and other receivables | ₱ 16,904 | ₱ 16,503 |

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- Definition The amount of current trade receivables and current other receivables. [Refer: Current trade receivables; Other current receivables] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 54 -Subparagraph h -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_54_h&doctype=Standard -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 78 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_78_b&doctype=Standard -URIDate 2019-03-27 + Details
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