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Commitments and contingencies (Details) | 12 Months Ended
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Dec. 31, 2017
Disclosure of subsidiaries [line items] |
Income tax | 2012-2017
Value-added tax | Dec. 2013-2017
Cementos Selva S.A. [Member] |
Disclosure of subsidiaries [line items] |
Income tax | 2013-2017
Value-added tax | Dec. 2013-2017
Distribuidora Norte Pacasmayo S.R.L. [Member] |
Disclosure of subsidiaries [line items] |
Income tax | 2012-2017
Value-added tax | Dec. 2013-2017
Empresa de Transmision Guadalupe S.A.C. [Member] |
Disclosure of subsidiaries [line items] |
Income tax | 2013-2017
Value-added tax | Dec. 2013-2017
Salmueras Sudamericanas S.A. [Member] |
Disclosure of subsidiaries [line items] |
Income tax | 2013-2017
Value-added tax | Dec. 2013-2017
Calizas del Norte S.A.C. [Member] |
Disclosure of subsidiaries [line items] |
Income tax | 2013-2017
Value-added tax | 2013-2017

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- Definition Description of income tax year. + References No definition available. + Details
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- Definition Description of value added tax. + References No definition available. + Details
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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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- Details
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- Details
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- Details
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- Details
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- Details
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Balance Type: |
Period Type: |