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v3.20.1

Contract Assets - Additional Information (Detail) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018
Disclosure Of Financial Instruments [Line Items] |  |
Advances or retentions received from construction contracts | $ 0 | $ 0
SDI [Member] |  |
Disclosure Of Financial Instruments [Line Items] |  |
Decrease through impairment, contract assets | $ 0 |

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- Definition Advances or retentions received from construction contracts. + References No definition available. + Details
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Namespace Prefix: | apwc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition The decrease in contract assets resulting from impairment. [Refer: Contract assets; Impairment loss] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 15 -IssueDate 2019-01-01 -Paragraph 118 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2019-en-r&anchor=para_118_c&doctype=Standard -URIDate 2019-03-27 + Details
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Balance Type: | credit
Period Type: | duration

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |