CEMENTOS PACASMAYO SAA (SEC Filing Page | XBRL Cloud Viewer | XBRL Instance)

Line	Label	Object Class	Period Type	Balance	Report ElementName
1	00000001 - Document - Document and Entity Information	Network	*	*	http://cementospacasmayo.com.pe/role/DocumentAndEntityInformation
2	Implied Table	Table	*	*	implied:Table
3	Document And Entity Information	Abstract			cpac:DocumentAndEntityInformationAbstract
4	Entity Registrant Name	Concept (Text/String)	For Period		dei:EntityRegistrantName
5	Entity Central Index Key	Concept (CIK Number)	For Period		dei:EntityCentralIndexKey
6	Document Type	Concept (Submission Type)	For Period		dei:DocumentType
7	Trading Symbol	Concept (Text/String)	For Period		dei:TradingSymbol
8	Document Period End Date	Concept (Date)	For Period		dei:DocumentPeriodEndDate
9	Amendment Flag	Concept (Yes/No)	For Period		dei:AmendmentFlag
10	Current Fiscal Year End Date	Concept (Month/Day)	For Period		dei:CurrentFiscalYearEndDate
11	Entity a Well-known Seasoned Issuer	Concept (Yes/No)	For Period		dei:EntityWellKnownSeasonedIssuer
12	Entity a Voluntary Filer	Concept (Yes/No)	For Period		dei:EntityVoluntaryFilers
13	Entity's Reporting Status Current	Concept (Yes/No)	For Period		dei:EntityCurrentReportingStatus
14	Entity Filer Category	Concept (Filer Category)	For Period		dei:EntityFilerCategory
15	Entity Common Stock, Shares Outstanding	Concept (Shares)	As Of		dei:EntityCommonStockSharesOutstanding
16	Document Fiscal Period Focus	Concept (Fiscal Period)	For Period		dei:DocumentFiscalPeriodFocus
17	Document Fiscal Year Focus	Concept (Year)	For Period		dei:DocumentFiscalYearFocus
18	00000002 - Statement - Consolidated statements of financial position	Network	*	*	http://cementospacasmayo.com.pe/role/StatementsOfFinancialPosition
19	Implied Table	Table	*	*	implied:Table
20	Statement of financial position [abstract]	Abstract			ifrs-full:StatementOfFinancialPositionAbstract
21	Assets	Abstract			ifrs-full:AssetsAbstract
22	Current assets	Abstract			ifrs-full:CurrentAssetsAbstract
23	Cash and cash equivalents	Concept (Monetary)	As Of	Debit	ifrs-full:CashAndCashEquivalents
24	Trade and other receivables	Concept (Monetary)	As Of	Debit	ifrs-full:TradeAndOtherCurrentReceivables
25	Income tax prepayments	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentTaxAssetsCurrent
26	Inventories	Concept (Monetary)	As Of	Debit	ifrs-full:Inventories
27	Prepayments	Concept (Monetary)	As Of	Debit	ifrs-full:Prepayments
28	Total current assets	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentAssets
29	Assets held for distribution	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForDistributionToOwners
30	Non-current asset	Abstract			ifrs-full:NoncurrentAssetsAbstract
31	Trade and other receivables	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentReceivables
32	Prepayments	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentPrepayments
33	Available-for-sale financial investments	Concept (Monetary)	As Of	Debit	ifrs-full:FinancialAssetsAtFairValue
34	Derivative financial instruments	Concept (Monetary)	As Of	Debit	ifrs-full:DerivativeFinancialAssets
35	Property, plant and equipment	Concept (Monetary)	As Of	Debit	ifrs-full:PropertyPlantAndEquipment
36	Exploration, evaluation and intangible assets	Concept (Monetary)	As Of	Debit	ifrs-full:TangibleExplorationAndEvaluationAssets
37	Deferred income tax assets	Concept (Monetary)	As Of	Debit	ifrs-full:DeferredTaxAssets
38	Other assets	Concept (Monetary)	As Of	Debit	ifrs-full:OtherNoncurrentAssets
39	Total non-current asset	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentAssets
40	Total assets	Concept (Monetary)	As Of	Debit	ifrs-full:Assets
41	Liabilities and equity	Abstract			ifrs-full:EquityAndLiabilitiesAbstract
42	Current liabilities	Abstract			ifrs-full:CurrentLiabilitiesAbstract
43	Trade and other payables	Concept (Monetary)	As Of	Credit	ifrs-full:TradeAndOtherCurrentPayables
44	Income tax payable	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentTaxLiabilitiesCurrent
45	Provisions	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentProvisions
46	Total current liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentLiabilities
47	Liabilities directly related to assets held for distribution	Concept (Monetary)	As Of	Credit	ifrs-full:TradeAndOtherPayables
48	Non-current liabilities	Abstract			ifrs-full:NoncurrentLiabilitiesAbstract
49	Interest-bearing loans and borrowings	Concept (Monetary)	As Of	Credit	ifrs-full:Borrowings
50	Other non-current provisions	Concept (Monetary)	As Of	Credit	ifrs-full:NoncurrentProvisions
51	Deferred income tax liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:DeferredTaxLiabilities
52	Total non-current liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:NoncurrentLiabilities
53	Total liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:Liabilities
54	Equity	Abstract			ifrs-full:EquityAbstract
55	Capital stock	Concept (Monetary)	As Of	Credit	ifrs-full:IssuedCapital
56	Investment shares	Concept (Monetary)	As Of	Credit	ifrs-full:OtherEquityInterest
57	Treasury shares	Concept (Monetary)	As Of	Debit	ifrs-full:TreasuryShares
58	Additional paid-in capital	Concept (Monetary)	As Of	Credit	ifrs-full:AdditionalPaidinCapital
59	Legal reserve	Concept (Monetary)	As Of	Credit	ifrs-full:StatutoryReserve
60	Other reserves	Concept (Monetary)	As Of	Credit	ifrs-full:OtherReserves
61	Retained earnings	Concept (Monetary)	As Of	Credit	ifrs-full:RetainedEarnings
62	Equity attributable to equity holders of the parent	Concept (Monetary)	As Of	Credit	ifrs-full:EquityAttributableToOwnersOfParent
63	Non-controlling interests	Concept (Monetary)	As Of	Credit	ifrs-full:NoncontrollingInterests
64	Total equity	Concept (Monetary)	As Of	Credit	ifrs-full:Equity
65	Total liabilities and equity	Concept (Monetary)	As Of	Credit	ifrs-full:EquityAndLiabilities
66	00000003 - Statement - Consolidated statements of profit or loss	Network	*	*	http://cementospacasmayo.com.pe/role/StatementsOfProfitOrLoss
67	Implied Table	Table	*	*	implied:Table
68	Profit or loss [abstract]	Abstract			ifrs-full:IncomeStatementAbstract
69	Sales of goods	Concept (Monetary)	For Period	Credit	ifrs-full:RevenueFromSaleOfGoods
70	Cost of sales	Concept (Monetary)	For Period	Debit	ifrs-full:CostOfSales
71	Gross profit	Concept (Monetary)	For Period	Credit	ifrs-full:GrossProfit
72	Operating income (expenses)	Abstract			ifrs-full:MaterialIncomeAndExpenseAbstract
73	Administrative expenses	Concept (Monetary)	For Period	Debit	ifrs-full:AdministrativeExpense
74	Selling and distribution expenses	Concept (Monetary)	For Period	Debit	ifrs-full:DistributionCosts
75	Impairment on brine project	Concept (Monetary)	For Period	Debit	ifrs-full:ImpairmentLossOnFinancialAssets
76	Other operating income (expense), net	Concept (Monetary)	For Period	Credit	ifrs-full:OtherOperatingIncomeExpense
77	Total operating expenses, net	Concept (Monetary)	For Period	Debit	ifrs-full:OperatingExpense
78	Operating profit	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossFromOperatingActivities
79	Other income (expenses)	Abstract			ifrs-full:ProfitLossAbstract
80	Finance income	Concept (Monetary)	For Period	Credit	ifrs-full:FinanceIncome
81	Finance costs	Concept (Monetary)	For Period	Debit	ifrs-full:FinanceCosts
82	(Loss) gain from exchange difference, net	Concept (Monetary)	For Period	Credit	ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss
83	Total other expenses, net	Concept (Monetary)	For Period	Debit	ifrs-full:OtherExpenseByNature
84	Profit before income tax	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossBeforeTax
85	Income tax expense	Concept (Monetary)	For Period	Debit	ifrs-full:IncomeTaxExpenseContinuingOperations
86	Profit for the year from continuing operations	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossFromContinuingOperations
87	Loss for the year from discontinued operations	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossFromDiscontinuedOperations
88	Profit for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
89	Attributable to:	Abstract			ifrs-full:ProfitLossAttributableToAbstract
90	Equity holders of the parent	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossAttributableToOwnersOfParent
91	Non-controlling interests	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossAttributableToNoncontrollingInterests
92	Profit for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
93	Earnings per share	Abstract			ifrs-full:EarningsPerShareAbstract
94	Basic profit from continuing and discontinued operations attributable to equity holders of common shares and investment shares of Cementos Pacasmayo S.A.A. (S/ per share)	Concept (Share)	For Period		ifrs-full:BasicEarningsLossPerShare
95	00000004 - Statement - Consolidated statements of other comprehensive income	Network	*	*	http://cementospacasmayo.com.pe/role/StatementsOfOtherComprehensiveIncome
96	Implied Table	Table	*	*	implied:Table
97	Consolidated Statements Of Other Comprehensive Income	Abstract			cpac:ConsolidatedStatementsOfOtherComprehensiveIncomeAbstract
98	Profit for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
99	Other comprehensive income	Abstract			ifrs-full:OtherComprehensiveIncomeAbstract
100	Other comprehensive income to be reclassified to profit or loss in subsequent periods (net of income tax):	Abstract			ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract
101	Change in fair value of available-for-sale financial investments	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncomeNetOfTaxAvailableforsaleFinancialAssets
102	Net (loss) gain on cash flows hedges	Concept (Monetary)	For Period	Credit	ifrs-full:GainsLossesOnCashFlowHedgesNetOfTax
103	Deferred income tax related to component of other comprehensive income	Concept (Monetary)	For Period	Credit	cpac:DeferredIncomeTaxRelatedToComponentOfOtherComprehensiveIncome
104	Transfer to profit or loss of fair value of available-for-sale financial investments sold	Concept (Monetary)	For Period	Debit	ifrs-full:ReclassificationAdjustmentsOnAvailableforsaleFinancialAssetsNetOfTax
105	Other comprehensive income (loss) for the year, net of income tax	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax
106	Total comprehensive income for the year,	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncome
107	Total comprehensive income attributable to:	Abstract			ifrs-full:ComprehensiveIncomeAttributableToAbstract
108	Equity holders of the parent	Concept (Monetary)	For Period	Credit	ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent
109	Non-controlling interests	Concept (Monetary)	For Period	Credit	ifrs-full:ComprehensiveIncomeAttributableToNoncontrollingInterests
110	Other comprehensive income	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncome
111	00000005 - Statement - Consolidated statements of changes in equity	Network	*	*	http://cementospacasmayo.com.pe/role/StatementsOfChangesInEquity
112	Statement of changes in equity [table]	Table	*	*	ifrs-full:StatementOfChangesInEquityTable
113	Components of equity [axis]	Axis			ifrs-full:ComponentsOfEquityAxis
114	Equity [member]	Member			ifrs-full:EquityMember
115	Capital stock [Member]	Member			cpac:CapitalStockMember
116	Investment shares [Member]	Member			cpac:InvestmentSharesMember
117	Treasury shares [Member]	Member			ifrs-full:TreasurySharesMember
118	Additional paid-in capital [Member]	Member			ifrs-full:AdditionalPaidinCapitalMember
119	Legal reserve [Member]	Member			cpac:LegalReserve1Member
120	Unrealized gain (loss) on available-for-sale investments [Member]	Member			cpac:UnrealizedGainLossOnAvailableForSaleInvestmentsMember
121	Unrealized gain on cash flow hedge [Member]	Member			cpac:UnrealizedGainOnCashFlowHedgeMember
122	Retained earnings [Member]	Member			ifrs-full:RetainedEarningsMember
123	Total [Member]	Member			ifrs-full:EquityAttributableToOwnersOfParentMember
124	Non-controlling interests [Member]	Member			cpac:NoncontrollingInterest1Member
125	Statement of changes in equity [line items]	LineItems			ifrs-full:StatementOfChangesInEquityLineItems
126	Changes in Equity	Abstract			ifrs-full:ChangesInEquityAbstract
127	Balances beginning	Concept (Monetary)	As Of	Credit	ifrs-full:Equity
128	Profit for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
129	Other comprehensive income (loss)	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax
130	Total comprehensive income	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncome
131	Appropriation of legal reserve, note 16(e)	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughAppropriationOfRetainedEarnings
132	Contribution of non-controlling interests, note 16(h)	Concept (Monetary)	For Period	Credit	cpac:ContributionOfNoncontrollingInterests
133	Acquisition of treasury shares, note 16(c)	Concept (Monetary)	For Period	Credit	cpac:AcquisitionOfTreasuryShares
134	Splitting effects of equity block, note 1.1	Concept (Monetary)	For Period	Debit	cpac:SplittingEffectsOfEquityBlock
135	Dividends, note 16(g)	Concept (Monetary)	For Period	Debit	ifrs-full:DividendsPaid
136	Terminated dividends, note 16(g)	Concept (Monetary)	For Period	Credit	cpac:TerminatedDividends
137	Impairment on brine project, note 1.2	Concept (Monetary)	For Period	Debit	cpac:ImpairmentLossOnBrineProject
138	Other adjustments of non-controlling interests, note 16(h)	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncomeAttributableToNoncontrollingInterests
139	Balance at end	Concept (Monetary)	As Of	Credit	ifrs-full:Equity
140	00000006 - Statement - Consolidated statements of cash flows	Network	*	*	http://cementospacasmayo.com.pe/role/StatementsOfCashFlows
141	Implied Table	Table	*	*	implied:Table
142	Statement of cash flows [abstract]	Abstract			ifrs-full:StatementOfCashFlowsAbstract
143	Operating activities	Abstract			ifrs-full:CashFlowsFromUsedInOperatingActivitiesAbstract
144	Profit before income tax	Concept (Monetary)	For Period	Credit	ifrs-full:AccountingProfit
145	Non-cash adjustments to reconcile profit before income tax to net cash flows	Abstract			ifrs-full:AdjustmentsForReconcileProfitLossAbstract
146	Depreciation and amortization	Concept (Monetary)	For Period	Debit	ifrs-full:DepreciationExpense
147	Finance costs	Concept (Monetary)	For Period	Debit	cpac:FinancesCosts
148	Impairment on brine project	Concept (Monetary)	For Period	Debit	ifrs-full:ImpairmentLossOnFinancialAssets
149	Long-term incentive plan	Concept (Monetary)	For Period	Debit	ifrs-full:OtherLongtermBenefits
150	Provision of impairment of inventories, net	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossInventories
151	Adjustment as a result of physical inventories	Concept (Monetary)	For Period	Debit	cpac:AdjustmentAsResultOfPhysicalInventories
152	Estimation of impairment of trade and other accounts receivables	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossTradeAndOtherReceivables
153	Unrealized exchange difference related to monetary transactions	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForUnrealisedForeignExchangeLossesGains
154	Finance income	Concept (Monetary)	For Period	Credit	ifrs-full:AdjustmentsForFinanceIncome
155	Net (gain) loss on disposal of property, plant and equipment	Concept (Monetary)	For Period	Credit	ifrs-full:GainsOnDisposalsOfPropertyPlantAndEquipment
156	Net gain on sale of available-for-sale investments	Concept (Monetary)	For Period	Credit	ifrs-full:GainsLossesOnRemeasuringAvailableforsaleFinancialAssetsNetOfTax
157	Change in the estimation of rehabilitation costs	Concept (Monetary)	For Period	Debit	cpac:OtherLongtermsBenefits
158	Other operating, net	Concept (Monetary)	For Period	Debit	ifrs-full:OtherInflowsOutflowsOfCashClassifiedAsOperatingActivities
159	Working capital adjustments	Abstract			cpac:IncreaseDecreaseInWorkingCapitalAbstract
160	(Increase) decrease in trade and other receivables	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForDecreaseIncreaseInTradeAccountReceivable
161	Decrease (increase) in prepayments	Concept (Monetary)	For Period	Debit	cpac:IncreaseDecreaseInPrepayments
162	(Increase) decrease in inventories	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForDecreaseIncreaseInInventories
163	Increase (decrease) in trade and other payables	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForIncreaseDecreaseInTradeAccountPayable
164	Adjustments to reconcile profit (loss)	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForReconcileProfitLoss
165	Interest received	Concept (Monetary)	For Period	Debit	ifrs-full:InterestReceivedClassifiedAsOperatingActivities
166	Interest paid	Concept (Monetary)	For Period	Credit	ifrs-full:InterestPaidClassifiedAsOperatingActivities
167	Income tax paid	Concept (Monetary)	For Period	Credit	ifrs-full:IncomeTaxesPaidRefundClassifiedAsOperatingActivities
168	Net cash flows from operating activities	Concept (Monetary)	For Period		ifrs-full:CashFlowsFromUsedInOperatingActivities
169	Which includes cash used in discontinued operations for	Concept (Monetary)	For Period	Debit	ifrs-full:CashFlowsFromUsedInOperatingActivitiesDiscontinuedOperations
170	Investing activities	Abstract			ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract
171	Purchase of property, plant and equipment	Concept (Monetary)	For Period	Credit	ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
172	Purchase of exploration and evaluation assets	Concept (Monetary)	For Period	Credit	ifrs-full:PurchaseOfExplorationAndEvaluationAssets
173	Proceeds from sale of property, plant and equipment	Concept (Monetary)	For Period	Debit	ifrs-full:ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
174	Proceeds from sale of available -for -sale investment	Concept (Monetary)	For Period	Debit	ifrs-full:ProceedsFromDisposalOrMaturityOfAvailableforsaleFinancialAssets
175	Net cash flows used in investing activities	Concept (Monetary)	For Period	Debit	ifrs-full:CashFlowsFromUsedInInvestingActivities
176	Which includes cash used in investment activities of discontinued operations for	Concept (Monetary)	For Period	Debit	ifrs-full:CashFlowsFromUsedInInvestingActivitiesDiscontinuedOperations
177	Financing activities	Abstract			ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract
178	Dividends paid	Concept (Monetary)	For Period	Credit	ifrs-full:DividendsPaidClassifiedAsFinancingActivities
179	Purchase of treasury shares	Concept (Monetary)	For Period	Debit	ifrs-full:PurchaseOfTreasuryShares
180	Payment of hedge finance cost	Concept (Monetary)	For Period	Credit	cpac:PaymentOfHedgeFinanceCost
181	Contribution of non-controlling interests	Concept (Monetary)	For Period	Credit	cpac:IssuedCapitals
182	Net cash flows used in financing activities	Concept (Monetary)	For Period	Debit	ifrs-full:CashFlowsFromUsedInFinancingActivities
183	Which includes cash provided by financing activities of discontinued operations for	Concept (Monetary)	For Period	Debit	ifrs-full:CashFlowsFromUsedInFinancingActivitiesDiscontinuedOperations
184	Net decrease in cash and cash equivalents	Concept (Monetary)	For Period	Debit	ifrs-full:IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges
185	Net foreign exchange difference	Concept (Monetary)	For Period	Debit	ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents
186	Cash and cash equivalents as of January 1	Concept (Monetary)	As Of	Debit	ifrs-full:CashAndCashEquivalents
187	Cash transferred to discontinued operations	Concept (Monetary)	For Period	Debit	cpac:CashAndCashEquivalent
188	Change in cash and cash equivalents of discontinued operations	Concept (Monetary)	For Period	Debit	ifrs-full:IncreaseDecreaseInCashAndCashEquivalentsDiscontinuedOperations
189	Cash and cash equivalents as of December 31	Concept (Monetary)	As Of	Debit	ifrs-full:CashAndCashEquivalents
190	Transactions with no effect on cash flows:	Concept (Text/String)	For Period		cpac:TransactionsWithNoEffectInCashFlowsAbstract
191	Unrealized exchange difference related to monetary transactions	Concept (Monetary)	For Period	Credit	cpac:UnrealizedExchangeDifferenceRelatedToMonetaryTransactions
192	Purchase of property, plant and equipment, pending liquidation	Concept (Monetary)	For Period	Credit	cpac:PurchaseOfPropertyPlantAndEquipmentPendingOfLiquidation
193	Sale of property, plant and equipment, pending collection	Concept (Monetary)	For Period	Credit	cpac:SaleOfPropertyPlantAndEquipmentPendingOfCollect
194	Deferred income tax on costs related to the purchase of treasury shares	Concept (Monetary)	For Period		ifrs-full:DeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity
195	00000007 - Disclosure - Corporate information	Network	*	*	http://cementospacasmayo.com.pe/role/CorporateInformation
196	Implied Table	Table	*	*	implied:Table
197	Corporate Information	Abstract			cpac:GeneralInformationAboutFinancialStatementsAbstract
198	Corporate information	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory
199	00000008 - Disclosure - Significant accounting policies	Network	*	*	http://cementospacasmayo.com.pe/role/SignificantAccountingPolicies
200	Implied Table	Table	*	*	implied:Table
201	Significant Accounting Policies	Abstract			cpac:SummaryOfSignificantAccountingPoliciesAbstract
202	Significant accounting policies	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory
203	00000009 - Disclosure - Significant accounting judgments, estimates and assumptions	Network	*	*	http://cementospacasmayo.com.pe/role/SignificantAccountingJudgmentsEstimatesAndAssumptions
204	Implied Table	Table	*	*	implied:Table
205	Significant Accounting Judgments Estimates And Assumptions	Abstract			cpac:AccountingJudgementsAndEstimatesAbstract
206	Significant accounting judgments, estimates and assumptions	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfAccountingJudgementsAndEstimatesExplanatory
207	00000010 - Disclosure - Standards issued but not yet effective	Network	*	*	http://cementospacasmayo.com.pe/role/StandardsIssuedButNotYetEffective
208	Implied Table	Table	*	*	implied:Table
209	Standards Issued But Not Yet Effective	Abstract			cpac:DisclosureOfStandardsIssuedButNotYetEffectiveAbstract
210	Standards issued but not yet effective	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfChangesInAccountingPoliciesAccountingEstimatesAndErrorsExplanatory
211	00000011 - Disclosure - Transactions in foreign currency	Network	*	*	http://cementospacasmayo.com.pe/role/TransactionsInForeignCurrency
212	Implied Table	Table	*	*	implied:Table
213	Transactions In Foreign Currency	Abstract			cpac:DisclosureOfForeignCurrencyAbstract
214	Transactions in foreign currency	Concept (Text Block (HTML))	For Period		cpac:DisclosureOfForeignCurrencyExplanatory
215	00000012 - Disclosure - Cash and cash equivalents	Network	*	*	http://cementospacasmayo.com.pe/role/CashAndCashEquivalents
216	Implied Table	Table	*	*	implied:Table
217	Cash and cash equivalents [abstract]	Abstract			ifrs-full:CashAndCashEquivalentsAbstract
218	Cash and cash equivalents	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfCashAndCashEquivalentsExplanatory
219	00000013 - Disclosure - Trade and other receivables	Network	*	*	http://cementospacasmayo.com.pe/role/TradeAndOtherReceivables
220	Implied Table	Table	*	*	implied:Table
221	Trade and other receivables [abstract]	Abstract			ifrs-full:TradeAndOtherReceivablesAbstract
222	Trade and other receivables	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfTradeAndOtherReceivablesExplanatory
223	00000014 - Disclosure - Inventories	Network	*	*	http://cementospacasmayo.com.pe/role/Inventories
224	Implied Table	Table	*	*	implied:Table
225	Inventories Tables	Abstract			cpac:InventoriesAbstract
226	Inventories	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfInventoriesExplanatory
227	00000015 - Disclosure - Available-for-sale financial investments	Network	*	*	http://cementospacasmayo.com.pe/role/Available-for-saleFinancialInvestments
228	Implied Table	Table	*	*	implied:Table
229	Available-for-sale Financial Investments	Abstract			cpac:AvailableforsaleAssetsAbstract
230	Available-for-sale financial investments	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfAvailableforsaleAssetsExplanatory
231	00000016 - Disclosure - Property, plant and equipment	Network	*	*	http://cementospacasmayo.com.pe/role/PropertyPlantAndEquipment
232	Implied Table	Table	*	*	implied:Table
233	Property, plant and equipment [abstract]	Abstract			ifrs-full:PropertyPlantAndEquipmentAbstract
234	Property, plant and equipment	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory
235	00000017 - Disclosure - Exploration, evaluation and intangible assets	Network	*	*	http://cementospacasmayo.com.pe/role/ExplorationEvaluationAndIntangibleAssets
236	Implied Table	Table	*	*	implied:Table
237	Exploration Evaluation And Intangible Assets	Abstract			cpac:ExplorationAndEvaluationAssetsAbstract
238	Exploration, evaluation and intangible assets	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfExplorationAndEvaluationAssetsExplanatory
239	00000018 - Disclosure - Trade and other payables	Network	*	*	http://cementospacasmayo.com.pe/role/TradeAndOtherPayables
240	Implied Table	Table	*	*	implied:Table
241	Trade and other payables [abstract]	Abstract			ifrs-full:TradeAndOtherPayablesAbstract
242	Trade and other payables	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfTradeAndOtherPayablesExplanatory
243	00000019 - Disclosure - Provisions	Network	*	*	http://cementospacasmayo.com.pe/role/Provisions
244	Implied Table	Table	*	*	implied:Table
245	Provisions [abstract]	Abstract			ifrs-full:ProvisionsAbstract
246	Provisions	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfProvisionsExplanatory
247	00000020 - Disclosure - Interest-bearing loans and borrowings	Network	*	*	http://cementospacasmayo.com.pe/role/Interest-bearingLoansAndBorrowings
248	Implied Table	Table	*	*	implied:Table
249	Borrowings [abstract]	Abstract			ifrs-full:BorrowingsAbstract
250	Interest-bearing loans and borrowings	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfBorrowingsExplanatory
251	00000021 - Disclosure - Deferred income tax assets and liabilities, net	Network	*	*	http://cementospacasmayo.com.pe/role/DeferredIncomeTaxAssetsAndLiabilitiesNet
252	Implied Table	Table	*	*	implied:Table
253	Deferred Income Tax Assets And Liabilities Net	Abstract			cpac:DeferredTaxesAbstract
254	Deferred income tax assets and liabilities, net	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfDeferredTaxesExplanatory
255	00000022 - Disclosure - Equity	Network	*	*	http://cementospacasmayo.com.pe/role/Equity
256	Implied Table	Table	*	*	implied:Table
257	Equity Tables	Abstract			cpac:ShareCapitalReservesAndOtherEquityInterestAbstract
258	Equity	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory
259	00000023 - Disclosure - Sales of goods	Network	*	*	http://cementospacasmayo.com.pe/role/SalesOfGoods
260	Implied Table	Table	*	*	implied:Table
261	Revenue [abstract]	Abstract			ifrs-full:RevenueAbstract
262	Sales of goods	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfRevenueExplanatory
263	00000024 - Disclosure - Cost of sales	Network	*	*	http://cementospacasmayo.com.pe/role/CostOfSales
264	Implied Table	Table	*	*	implied:Table
265	Cost Of Sales	Abstract			cpac:CostOfSalesAbstract
266	Cost of sales	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfCostOfSalesExplanatory
267	00000025 - Disclosure - Administrative expenses	Network	*	*	http://cementospacasmayo.com.pe/role/AdministrativeExpenses
268	Implied Table	Table	*	*	implied:Table
269	Administrative Expenses	Abstract			cpac:ExpensesByNatureAbstract
270	Administrative expenses	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfExpensesByNatureExplanatory
271	00000026 - Disclosure - Selling and distribution expenses	Network	*	*	http://cementospacasmayo.com.pe/role/SellingAndDistributionExpenses
272	Implied Table	Table	*	*	implied:Table
273	Selling And Distribution Expenses	Abstract			cpac:ExpensesAbstract
274	Selling and distribution expenses	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfExpensesExplanatory
275	00000027 - Disclosure - Employee benefits expenses	Network	*	*	http://cementospacasmayo.com.pe/role/EmployeeBenefitsExpenses
276	Implied Table	Table	*	*	implied:Table
277	Employee Benefits Expenses	Abstract			cpac:EmployeeBenefitsAbstract
278	Employee benefits expenses	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfEmployeeBenefitsExplanatory
279	00000028 - Disclosure - Other operating income (expense), net	Network	*	*	http://cementospacasmayo.com.pe/role/OtherOperatingIncomeExpenseNet
280	Implied Table	Table	*	*	implied:Table
281	Other Operating Income Expense Net	Abstract			cpac:OtherOperatingIncomeExpenseAbstract
282	Other operating income (expense), net	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfOtherOperatingIncomeExpenseExplanatory
283	00000029 - Disclosure - Finance income	Network	*	*	http://cementospacasmayo.com.pe/role/FinanceIncome
284	Implied Table	Table	*	*	implied:Table
285	Finance Income	Abstract			cpac:FinanceIncomeAbstract
286	Finance income	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfFinanceIncomeExplanatory
287	00000030 - Disclosure - Finance costs	Network	*	*	http://cementospacasmayo.com.pe/role/FinanceCosts
288	Implied Table	Table	*	*	implied:Table
289	Finance Costs	Abstract			cpac:FinanceCostAbstract
290	Finance costs	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfFinanceCostExplanatory
291	00000031 - Disclosure - Related party disclosure	Network	*	*	http://cementospacasmayo.com.pe/role/RelatedPartyDisclosure
292	Implied Table	Table	*	*	implied:Table
293	Related Party Disclosure	Abstract			cpac:RelatedPartyAbstract
294	Related party disclosure	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfRelatedPartyExplanatory
295	00000032 - Disclosure - Earnings per share (EPS)	Network	*	*	http://cementospacasmayo.com.pe/role/EarningsPerShareEps
296	Implied Table	Table	*	*	implied:Table
297	Earnings per share	Abstract			ifrs-full:EarningsPerShareAbstract
298	Earnings per share (EPS)	Concept (Text Block (HTML))	For Period		ifrs-full:EarningsPerShareExplanatory
299	00000033 - Disclosure - Commitments and contingencies	Network	*	*	http://cementospacasmayo.com.pe/role/CommitmentsAndContingencies
300	Implied Table	Table	*	*	implied:Table
301	Commitments And Contingencies	Abstract			cpac:CommitmentsAndContingentLiabilitiesAbstract
302	Commitments and contingencies	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory
303	00000034 - Disclosure - Material partly-owned subsidiaries	Network	*	*	http://cementospacasmayo.com.pe/role/MaterialPartly-ownedSubsidiaries
304	Implied Table	Table	*	*	implied:Table
305	Material Partly-owned Subsidiaries	Abstract			cpac:SignificantInvestmentsInSubsidiariesAbstract
306	Material partly-owned subsidiaries	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory
307	00000035 - Disclosure - Financial risk management, objectives and policies	Network	*	*	http://cementospacasmayo.com.pe/role/FinancialRiskManagementObjectivesAndPolicies
308	Implied Table	Table	*	*	implied:Table
309	Financial Risk Management Objectives And Policies	Abstract			cpac:FinancialRiskManagementAbstract
310	Financial risk management, objectives and policies	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfFinancialRiskManagementExplanatory
311	00000036 - Disclosure - Financial assets and financial liabilities	Network	*	*	http://cementospacasmayo.com.pe/role/FinancialAssetsAndFinancialLiabilities
312	Implied Table	Table	*	*	implied:Table
313	Financial Assets And Financial Liabilities	Abstract			cpac:RedesignatedFinancialAssetsAndLiabilitiesAbstract
314	Financial assets and financial liabilities	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfRedesignatedFinancialAssetsAndLiabilitiesExplanatory
315	00000037 - Disclosure - Segment information	Network	*	*	http://cementospacasmayo.com.pe/role/SegmentInformation
316	Implied Table	Table	*	*	implied:Table
317	Segment Information	Abstract			cpac:EntitysReportableSegmentsAbstract
318	Segment information	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory
319	00000038 - Disclosure - Significant accounting policies (Policies)	Network	*	*	http://cementospacasmayo.com.pe/role/SignificantAccountingPoliciesPolicies
320	Implied Table	Table	*	*	implied:Table
321	Significant Accounting Policies	Abstract			cpac:SummaryOfSignificantAccountingPoliciesAbstract
322	Cash and cash equivalents	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents
323	Financial instruments-initial recognition and subsequent measurement	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory
324	Foreign currencies	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory
325	Non-current assets held for distribution to equity holders of the parent and discontinued operations	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperationsExplanatory
326	Inventories	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForMeasuringInventories
327	Borrowing costs	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForBorrowingCostsExplanatory
328	Leases	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForLeasesExplanatory
329	Property, plant and equipment	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory
330	Mining concessions	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForMiningRightsExplanatory
331	Mine development costs and stripping costs	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForStrippingCostsExplanatory
332	Exploration and evaluation and intangible assets	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForExplorationAndEvaluationExpenditures
333	Ore reserve and resource estimates	Concept (Text Block (HTML))	For Period		cpac:DescriptionOfAccountingPolicyForOreReserveAndResourceEstimatesExplanatory
334	Impairment of non-financial assets	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForImpairmentOfNonfinancialAssetsExplanatory
335	Provisions	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForProvisionsExplanatory
336	Employees benefits	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory
337	Revenue recognition	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForRecognitionOfRevenue
338	Taxes	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForIncomeTaxExplanatory
339	Treasury shares	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForTreasurySharesExplanatory
340	Current versus non-current classification	Concept (Text Block (HTML))	For Period		cpac:DescriptionOfAccountingPolicyForCurrentVersusNoncurrentClassificationExplanatory
341	New amended standards and interpretations	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfInitialApplicationOfStandardsOrInterpretations
342	00000039 - Disclosure - Corporate information (Tables)	Network	*	*	http://cementospacasmayo.com.pe/role/CorporateInformationTables
343	Implied Table	Table	*	*	implied:Table
344	Corporate Information	Abstract			cpac:GeneralInformationAboutFinancialStatementsAbstract
345	Schedule of interests in subsidiaries	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfInterestsInSubsidiariesExplanatory
346	Schedule of results generated net of intercompany eliminations included in consolidated statements of profit or loss	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfEffectOfChangeOfInvestmentEntityStatusOnFinancialStatementsExplanatory
347	Schedule for assets and liabilities (net of intercompany eliminations) classified as held for distribution	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfReconciliationBetweenInvestmentDerecognisedAndAssetsAndLiabilitiesRecognisedTransitionFromAccountingForInvestmentAtCostOrInAccordanceWithIFRS9ToAccountingForAssetsAndLiabilitiesExplanatory
348	Schedule of impairment on the assets of this project	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfFinancialAssetsThatAreEitherPastDueOrImpairedExplanatory
349	Schedule of financial statements of subsidiaries controlled by Group	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfInformationAboutUnconsolidatedStructuredEntitiesControlledByInvestmentEntityExplanatory
350	00000040 - Disclosure - Significant accounting policies (Tables)	Network	*	*	http://cementospacasmayo.com.pe/role/SignificantAccountingPoliciesTables
351	Implied Table	Table	*	*	implied:Table
352	Significant Accounting Policies	Abstract			cpac:SummaryOfSignificantAccountingPoliciesAbstract
353	Schedule of estimated useful lives	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory
354	00000041 - Disclosure - Standards issued but not yet effective (Tables)	Network	*	*	http://cementospacasmayo.com.pe/role/StandardsIssuedButNotYetEffectiveTables
355	Implied Table	Table	*	*	implied:Table
356	Standards Issued But Not Yet Effective Tables	Abstract			cpac:SignificantAccountingJudgmentsEstimatesAndAssumptionsTablesAbstract
357	Schedule of IFRS adoption	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretations
358	Schedule of increase (decrease) in equity	Concept (Text Block (HTML))	For Period		cpac:DisclosureOfDetailedInformationAboutIncreaseDecreaseEquityTableExplanatory
359	00000042 - Disclosure - Transactions in foreign currency (Tables)	Network	*	*	http://cementospacasmayo.com.pe/role/TransactionsInForeignCurrencyTables
360	Implied Table	Table	*	*	implied:Table
361	Transactions In Foreign Currency	Abstract			cpac:DisclosureOfForeignCurrencyAbstract
362	Schedule of assets and liabilities in United States dollars	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfOffsettingOfFinancialAssetsAndFinancialLiabilitiesExplanatory
363	00000043 - Disclosure - Cash and cash equivalents (Tables)	Network	*	*	http://cementospacasmayo.com.pe/role/CashAndCashEquivalentsTables
364	Implied Table	Table	*	*	implied:Table
365	Cash and cash equivalents [abstract]	Abstract			ifrs-full:CashAndCashEquivalentsAbstract
366	Schdule of cash and cash equivalents	Concept (Text Block (HTML))	For Period		cpac:DetailedInformationAboutCashAndCashEquivalentsExplanatory
367	00000044 - Disclosure - Trade and other receivables (Tables)	Network	*	*	http://cementospacasmayo.com.pe/role/TradeAndOtherReceivablesTables
368	Implied Table	Table	*	*	implied:Table
369	Trade and other receivables [abstract]	Abstract			ifrs-full:TradeAndOtherReceivablesAbstract
370	Schedule of trade and other receivables	Concept (Text Block (HTML))	For Period		cpac:DetailedInformationAboutTradeAndOtherReceivablesExplanatory
371	Schedule of movement of allowance for doubtful accounts	Concept (Text Block (HTML))	For Period		cpac:DetailedInformationAboutMovementOfAllowanceForDoubtfulAccountsExplanatory
372	Schedule of aging analysis of trade and other accounts receivable	Concept (Text Block (HTML))	For Period		ifrs-full:AnalysisOfAgeOfFinancialAssetsThatArePastDueButNotImpaired
373	00000045 - Disclosure - Inventories (Tables)	Network	*	*	http://cementospacasmayo.com.pe/role/InventoriesTables
374	Implied Table	Table	*	*	implied:Table
375	Inventories Tables	Abstract			cpac:InventoriesAbstract
376	Schedule of inventories	Concept (Text Block (HTML))	For Period		cpac:DetailedInformationAboutInventoriesExplanatory
377	Schedule of movement in provision for inventory obsolescence and net realizable value	Concept (Text Block (HTML))	For Period		cpac:DetailedInformationAboutMovementInProvisionForInventoryObsolescenceAndNetRealizableValueExplanatory
378	00000046 - Disclosure - Available-for-sale financial investments (Tables)	Network	*	*	http://cementospacasmayo.com.pe/role/Available-for-saleFinancialInvestmentsTables
379	Implied Table	Table	*	*	implied:Table
380	Available-for-sale Financial Investments	Abstract			cpac:AvailableforsaleAssetsAbstract
381	Schedule of movement in available-for-sale financial investments	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfFinancialAssetsExplanatory
382	Schedule of available-for-sale financial investments	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory
383	Schedule of breakdown of the investments in equity securities	Concept (Text Block (HTML))	For Period		cpac:DisclosureOfDetailedInformationAboutInvesmentsInEquitySecuritiesExplanatory
384	00000047 - Disclosure - Property, plant and equipment (Tables)	Network	*	*	http://cementospacasmayo.com.pe/role/PropertyPlantAndEquipmentTables
385	Implied Table	Table	*	*	implied:Table
386	Property, plant and equipment [abstract]	Abstract			ifrs-full:PropertyPlantAndEquipmentAbstract
387	Schedule of property, plant and equipment	Concept (Text Block (HTML))	For Period		cpac:DisclosureOfDetailedInformationOfPropertyPlantAndEquipmentExplanatory
388	00000048 - Disclosure - Exploration, evaluation and intangible assets (Tables)	Network	*	*	http://cementospacasmayo.com.pe/role/ExplorationEvaluationAndIntangibleAssetsTables
389	Implied Table	Table	*	*	implied:Table
390	Exploration Evaluation And Intangible Assets	Abstract			cpac:ExplorationAndEvaluationAssetsAbstract
391	Schedule of exploration, evaluation and intangible assets	Concept (Text Block (HTML))	For Period		cpac:DisclosureOfDetailedInformationAboutExplorationAndEvaluationAssetsExplanatory
392	00000049 - Disclosure - Trade and other payables (Tables)	Network	*	*	http://cementospacasmayo.com.pe/role/TradeAndOtherPayablesTables
393	Implied Table	Table	*	*	implied:Table
394	Trade and other payables [abstract]	Abstract			ifrs-full:TradeAndOtherPayablesAbstract
395	Schedule of trade and other payables	Concept (Text Block (HTML))	For Period		cpac:DisclosureOfDetailedInformationAboutTradeAndOtherPayablesExplanatory
396	00000050 - Disclosure - Provisions (Tables)	Network	*	*	http://cementospacasmayo.com.pe/role/ProvisionsTables
397	Implied Table	Table	*	*	implied:Table
398	Provisions [abstract]	Abstract			ifrs-full:ProvisionsAbstract
399	Schedule of provisions	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfOtherProvisionsExplanatory
400	00000051 - Disclosure - Interest-bearing loans and borrowings (Tables)	Network	*	*	http://cementospacasmayo.com.pe/role/Interest-bearingLoansAndBorrowingsTables
401	Implied Table	Table	*	*	implied:Table
402	Borrowings [abstract]	Abstract			ifrs-full:BorrowingsAbstract
403	Schedule of interest-bearing loans and borrowings	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsExplanatory
404	00000052 - Disclosure - Deferred income tax assets and liabilities, net (Tables)	Network	*	*	http://cementospacasmayo.com.pe/role/DeferredIncomeTaxAssetsAndLiabilitiesNetTables
405	Implied Table	Table	*	*	implied:Table
406	Deferred Income Tax Assets And Liabilities Net	Abstract			cpac:DeferredTaxesAbstract
407	Schedule of deferred income tax assets and liabilities	Concept (Text Block (HTML))	For Period		cpac:DisclosureOfDeferredIncomeTaxAssetsAndLiabilitiesExplanatory
408	Schedule of reconciliation between tax expenses and the product	Concept (Text Block (HTML))	For Period		cpac:DisclosureOfReconciliationBetweenTaxExpensesAndProductExplanatory
409	Schedule of income tax expenses	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfIncomeTaxExplanatory
410	Schedule of composition of deferred tax	Concept (Text Block (HTML))	For Period		cpac:DisclosureOfCompositionOfDeferredTaxExplanatory
411	00000053 - Disclosure - Equity (Tables)	Network	*	*	http://cementospacasmayo.com.pe/role/EquityTables
412	Implied Table	Table	*	*	implied:Table
413	Equity Tables	Abstract			cpac:ShareCapitalReservesAndOtherEquityInterestAbstract
414	Schedule of equity distribution	Concept (Text Block (HTML))	For Period		cpac:DisclosureOfEquityDistributionExplanatory
415	00000054 - Disclosure - Sales of goods (Tables)	Network	*	*	http://cementospacasmayo.com.pe/role/SalesOfGoodsTables
416	Implied Table	Table	*	*	implied:Table
417	Revenue [abstract]	Abstract			ifrs-full:RevenueAbstract
418	Schedule of sales of goods	Concept (Text Block (HTML))	For Period		cpac:DisclosureOfCompositionOfSalesOfGoodsExplanatory
419	00000055 - Disclosure - Cost of sales (Tables)	Network	*	*	http://cementospacasmayo.com.pe/role/CostOfSalesTables
420	Implied Table	Table	*	*	implied:Table
421	Cost Of Sales	Abstract			cpac:CostOfSalesAbstract
422	Schedule of cost of sales	Concept (Text Block (HTML))	For Period		cpac:DisclosureOfDetailedInformationAboutCostOfSalesExplanatory
423	00000056 - Disclosure - Administrative expenses (Tables)	Network	*	*	http://cementospacasmayo.com.pe/role/AdministrativeExpensesTables
424	Implied Table	Table	*	*	implied:Table
425	Administrative Expenses Tables	Abstract			cpac:AdministrativeExpensesTablesAbstract
426	Schedule of administrative expenses	Concept (Text Block (HTML))	For Period		cpac:DisclosureOfAdministrativeExpensesExplanatory
427	00000057 - Disclosure - Selling and distribution expenses (Tables)	Network	*	*	http://cementospacasmayo.com.pe/role/SellingAndDistributionExpensesTables
428	Implied Table	Table	*	*	implied:Table
429	Selling And Distribution Expenses Tables	Abstract			cpac:SellingAndDistributionExpensesTablesAbstract
430	Schedule of selling and distribution expenses	Concept (Text Block (HTML))	For Period		cpac:DisclosureOfSellingAndDistributionExpensesExplanatory
431	00000058 - Disclosure - Employee benefits expenses (Tables)	Network	*	*	http://cementospacasmayo.com.pe/role/EmployeeBenefitsExpensesTables
432	Implied Table	Table	*	*	implied:Table
433	Employee Benefits Expenses Tables	Abstract			cpac:EmployeeBenefitsExpensesTablesAbstract
434	Schedule of employee benefits expenses	Concept (Text Block (HTML))	For Period		cpac:DisclosureOfAllocationOfEmployeeBenefitsExpensesExplanatory
435	Schedule of allocation of employee benefits expenses	Concept (Text Block (HTML))	For Period		cpac:DisclosureOfDetailedInformationAboutAllocationOfEmployeeBenefitsExpensesExplanatory
436	00000059 - Disclosure - Other operating income (expense), net (Tables)	Network	*	*	http://cementospacasmayo.com.pe/role/OtherOperatingIncomeExpenseNetTables
437	Implied Table	Table	*	*	implied:Table
438	Other Operating Income Expense Net Tables	Abstract			cpac:OtherOperatingIncomeExpenseNetTablesAbstract
439	Schedule of other operating income (expense)	Concept (Text Block (HTML))	For Period		cpac:DisclosureOfDetailedInformationAboutOtherOperatingIncomeExpenseExplanatory
440	00000060 - Disclosure - Finance income (Tables)	Network	*	*	http://cementospacasmayo.com.pe/role/FinanceIncomeTables
441	Implied Table	Table	*	*	implied:Table
442	Finance Income Tables	Abstract			cpac:FinanceIncomeTablesAbstract
443	Schedule of finance income	Concept (Text Block (HTML))	For Period		cpac:DisclosureOfDetailedInformationAboutFinanceIncomeExplanatory
444	00000061 - Disclosure - Finance costs (Tables)	Network	*	*	http://cementospacasmayo.com.pe/role/FinanceCostsTables
445	Implied Table	Table	*	*	implied:Table
446	Finance Costs Tables	Abstract			cpac:FinanceCostsTablesAbstract
447	Schedule of finance costs	Concept (Text Block (HTML))	For Period		cpac:DisclosureOfFinanceCostsExplanatory
448	00000062 - Disclosure - Related party disclosure (Tables)	Network	*	*	http://cementospacasmayo.com.pe/role/RelatedPartyDisclosureTables
449	Implied Table	Table	*	*	implied:Table
450	Related Party Disclosure Tables	Abstract			cpac:RelatedPartyDisclosureTablesAbstract
451	Schedule of related party disclosure	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesExplanatory
452	Schedule of rights and obligations with Inversiones and its affiliates	Concept (Text Block (HTML))	For Period		cpac:DisclosureOfRightsAndObligationsWithRelatedPartiesExplanatory
453	00000063 - Disclosure - Earnings per share (EPS) (Tables)	Network	*	*	http://cementospacasmayo.com.pe/role/EarningsPerShareEpsTables
454	Implied Table	Table	*	*	implied:Table
455	Earnings Per Share Eps Tables	Abstract			cpac:EarningsPerShareEpsTablesAbstract
456	Schedule of income and share data used in the basic and diluted EPS computations	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfEarningsPerShareExplanatory
457	00000064 - Disclosure - Commitments and contingencies (Tables)	Network	*	*	http://cementospacasmayo.com.pe/role/CommitmentsAndContingenciesTables
458	Implied Table	Table	*	*	implied:Table
459	Commitments And Contingencies Tables	Abstract			cpac:CommitmentsAndContingenciesTablesAbstract
460	Schedule of future minimum rentals payable under non-cancellable leases	Concept (Text Block (HTML))	For Period		cpac:ScheduleOfFutureMinimumRentalsPayableExplanatory
461	Schedule of plans and related expenses	Concept (Text Block (HTML))	For Period		cpac:DisclosureOfPlansAndRelatedExpensesExplanatory
462	00000065 - Disclosure - Material partly-owned subsidiaries (Tables)	Network	*	*	http://cementospacasmayo.com.pe/role/MaterialPartly-ownedSubsidiariesTables
463	Implied Table	Table	*	*	implied:Table
464	Material Partly-owned Subsidiaries	Abstract			cpac:SignificantInvestmentsInSubsidiariesAbstract
465	Schedule of proportion of equity interest held by non-controlling interests	Concept (Text Block (HTML))	For Period		cpac:DisclosureOfProportionOfEquityInterestHeldByNonControllingInterestsExplanatory
466	Schedule of accumulated balances of material non-controlling interest	Concept (Text Block (HTML))	For Period		cpac:DisclosureOfAccumulatedBalancesOfMaterialNonControllingInterestExplanatory
467	Schedule of loss allocated to material non-controlling interest	Concept (Text Block (HTML))	For Period		cpac:DisclosureOfLossAllocatedToMaterialNonControllingInterestExplanatory
468	Schedule of financial information of these subsidiaries	Concept (Text Block (HTML))	For Period		cpac:DisclosureOfFinancialInformationOfTheseSubsidiariesExplanatory
469	00000066 - Disclosure - Financial risk management, objectives and policies (Tables)	Network	*	*	http://cementospacasmayo.com.pe/role/FinancialRiskManagementObjectivesAndPoliciesTables
470	Implied Table	Table	*	*	implied:Table
471	Financial Risk Management Objectives And Policies	Abstract			cpac:FinancialRiskManagementAbstract
472	Schedule of sensitivity to a reasonably possible change	Concept (Text Block (HTML))	For Period		cpac:DisclosureOfSensitivityToAReasonablyPossibleChangeExplanatory
473	Schedule of effect of price changes in coal	Concept (Text Block (HTML))	For Period		cpac:DisclosureOfEffectOfPriceChangesInCoalExplanatory
474	Schedule of financial liabilities based on contractual undiscounted payments	Concept (Text Block (HTML))	For Period		cpac:MaturityAnalysisForDerivativeFinancialLiabilitiesExplanatory
475	Schedule of financial derivative instruments	Concept (Text Block (HTML))	For Period		cpac:DisclosureOfFinancialDerivativeInstrumentsExplanatory
476	00000067 - Disclosure - Financial assets and financial liabilities (Tables)	Network	*	*	http://cementospacasmayo.com.pe/role/FinancialAssetsAndFinancialLiabilitiesTables
477	Implied Table	Table	*	*	implied:Table
478	Financial Assets And Financial Liabilities	Abstract			cpac:RedesignatedFinancialAssetsAndLiabilitiesAbstract
479	Schedule of financial asset and liabilities	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfFinancialInstrumentsExplanatory
480	Schedule of hedging activities and derivatives	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfDetailedInformationAboutHedgingInstrumentsExplanatory
481	Schedule of fair values of financial instruments	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfFairValueOfFinancialInstrumentsExplanatory
482	Schedule of Fair value measurement	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfFairValueMeasurementExplanatory
483	00000068 - Disclosure - Segment information (Tables)	Network	*	*	http://cementospacasmayo.com.pe/role/SegmentInformationTables
484	Implied Table	Table	*	*	implied:Table
485	Segment Information	Abstract			cpac:EntitysReportableSegmentsAbstract
486	Schedule of segment information	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfOperatingSegmentsExplanatory
487	00000069 - Disclosure - Corporate information (Details)	Network	*	*	http://cementospacasmayo.com.pe/role/CorporateInformationDetails
488	Disclosure of subsidiaries [table]	Table	*	*	ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesTable
489	Subsidiaries [axis]	Axis			ifrs-full:SignificantInvestmentsInSubsidiariesAxis
490	Entity's total for subsidiaries [member]	Member			ifrs-full:EntitysTotalForSubsidiariesMember
491	Salmueras Sudamericanas S.A. [Member]	Member			cpac:SalmuerasSudamericanasSAMember
492	Fosfatos del Pacifico S.A. [Member]	Member			cpac:FosfatosDelPacificoSAMember
493	Disclosure of subsidiaries [line items]	LineItems			ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesLineItems
494	Percenatge of ownership interest in subsidiary	Concept (Percent)	For Period		ifrs-full:ProportionOfOwnershipInterestInSubsidiary
495	00000070 - Disclosure - Corporate information (Details 1)	Network	*	*	http://cementospacasmayo.com.pe/role/CorporateInformationDetails1
496	Disclosure of subsidiaries [table]	Table	*	*	ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesTable
497	Subsidiaries [axis]	Axis			ifrs-full:SignificantInvestmentsInSubsidiariesAxis
498	Entity's total for subsidiaries [member]	Member			ifrs-full:EntitysTotalForSubsidiariesMember
499	Fosfatos del Pacifico S.A. [Member]	Member			cpac:FosfatosDelPacificoSAMember
500	Disclosure of subsidiaries [line items]	LineItems			ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesLineItems
501	Sales	Concept (Monetary)	For Period	Credit	ifrs-full:RevenueDiscontinuedOperations
502	Cost of sales	Concept (Monetary)	For Period	Debit	ifrs-full:CostOfSales
503	Administrative expenses	Concept (Monetary)	For Period	Debit	cpac:AdministrativeExpenses
504	Other income (expense)	Concept (Monetary)	For Period	Debit	ifrs-full:OtherExpenseByFunction
505	Finance income	Concept (Monetary)	For Period	Credit	ifrs-full:FinanceIncome
506	(Loss) gain from exchange difference, net	Concept (Monetary)	For Period	Credit	ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss
507	Loss from discontinued operations before income tax	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossBeforeTaxDiscontinuedOperations
508	Income tax	Concept (Monetary)	For Period	Debit	ifrs-full:TaxExpenseRelatingToProfitLossFromOrdinaryActivitiesOfDiscontinuedOperations
509	Loss for the year from discontinued operations	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossFromDiscontinuedOperations
510	00000071 - Disclosure - Corporate information (Details 2)	Network	*	*	http://cementospacasmayo.com.pe/role/CorporateInformationDetails2
511	Disclosure of subsidiaries [table]	Table	*	*	ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesTable
512	Subsidiaries [axis]	Axis			ifrs-full:SignificantInvestmentsInSubsidiariesAxis
513	Entity's total for subsidiaries [member]	Member			ifrs-full:EntitysTotalForSubsidiariesMember
514	Fosfatos del Pacifico S.A. [Member]	Member			cpac:FosfatosDelPacificoSAMember
515	Disclosure of subsidiaries [line items]	LineItems			ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesLineItems
516	Assets -	Abstract			ifrs-full:AssetsAbstract
517	Cash and cash equivalents	Concept (Monetary)	As Of	Debit	ifrs-full:CashAndCashEquivalents
518	Accounts receivable from related parties	Concept (Monetary)	As Of	Debit	ifrs-full:TradeAndOtherCurrentReceivablesDueFromRelatedParties
519	Inventories	Concept (Monetary)	As Of	Debit	ifrs-full:Inventories
520	Income tax prepayments	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentTaxAssetsCurrent
521	Other current assets	Concept (Monetary)	As Of	Debit	ifrs-full:OtherCurrentAssets
522	Other receivables non current	Concept (Monetary)	As Of	Debit	ifrs-full:OtherNoncurrentReceivables
523	Property, plant and equipment, net	Concept (Monetary)	As Of	Debit	ifrs-full:PropertyPlantAndEquipment
524	Exploration and evaluation assets	Concept (Monetary)	As Of	Debit	ifrs-full:TangibleExplorationAndEvaluationAssets
525	Deferred income tax assets	Concept (Monetary)	As Of	Debit	ifrs-full:DeferredTaxAssets
526	Non-current assets	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentAssets
527	Liabilities -	Abstract			ifrs-full:LiabilitiesAbstract
528	Trade and other payables	Concept (Monetary)	As Of	Credit	ifrs-full:TradeAndOtherPayables
529	Capital stock	Concept (Monetary)	As Of	Credit	ifrs-full:IssuedCapital
530	Investment shares	Concept (Monetary)	As Of	Credit	ifrs-full:OtherEquityInterest
531	Additional paid-in capital	Concept (Monetary)	As Of	Credit	ifrs-full:AdditionalPaidinCapital
532	Other reserves	Concept (Monetary)	As Of	Credit	ifrs-full:OtherReserves
533	Non-controlling interest	Concept (Monetary)	As Of	Credit	ifrs-full:NoncontrollingInterests
534	Net assets held for distribution	Concept (Monetary)	As Of	Debit	ifrs-full:NetAssetsLiabilities
535	00000073 - Disclosure - Corporate information (Details 4)	Network	*	*	http://cementospacasmayo.com.pe/role/CorporateInformationDetails4
536	Disclosure of subsidiaries [table]	Table	*	*	ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesTable
537	Subsidiaries [axis]	Axis			ifrs-full:SignificantInvestmentsInSubsidiariesAxis
538	Entity's total for subsidiaries [member]	Member			ifrs-full:EntitysTotalForSubsidiariesMember
539	Cementos Selva S.A. and subsidiaries [Member]	Member			cpac:CementosSelvaSAAndSubsidiariesMember
540	Fosfatos del Pacifico S.A. [Member]	Member			cpac:FosfatosDelPacificoSAMember
541	Distribuidora Norte Pacasmayo S.R.L. [Member]	Member			cpac:DistribuidoraNortePacasmayoSRLMember
542	Empresa de Transmision Guadalupe S.A.C. [Member]	Member			cpac:EmpresaDeTransmisionGuadalupeSACMember
543	Salmueras Sudamericanas S.A. [Member]	Member			cpac:SalmuerasSudamericanasSAMember
544	Calizas del Norte S.A.C. [Member]	Member			cpac:CalizasDelNorteSACMember
545	Disclosure of subsidiaries [line items]	LineItems			ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesLineItems
546	Total assets	Concept (Monetary)	As Of	Debit	ifrs-full:Assets
547	Liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:Liabilities
548	Net equity	Concept (Monetary)	As Of	Credit	ifrs-full:Equity
549	Net income (loss)	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossAttributableToOwnersOfParent
550	00000074 - Disclosure - Corporate information (Details Narrative)	Network	*	*	http://cementospacasmayo.com.pe/role/CorporateInformationDetailsNarrative
551	Disclosure of subsidiaries [table]	Table	*	*	ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesTable
552	Legal Entity [Axis]	Axis			dei:LegalEntityAxis
553	Entity [Domain]	Member			dei:EntityDomain
554	Inversiones ASPI S.A. [Member]	Member			cpac:InversionesASPISAMember
555	Subsidiaries [axis]	Axis			ifrs-full:SignificantInvestmentsInSubsidiariesAxis
556	Entity's total for subsidiaries [member]	Member			ifrs-full:EntitysTotalForSubsidiariesMember
557	Salmueras Sudamericanas S.A. [Member]	Member			cpac:SalmuerasSudamericanasSAMember
558	Fosfatos del Pacifico S.A. [Member]	Member			cpac:FosfatosDelPacificoSAMember
559	Associates [axis]	Axis			ifrs-full:SignificantInvestmentsInAssociatesAxis
560	Entity's total for associates [member]	Member			ifrs-full:EntitysTotalForAssociatesMember
561	Quimpac S.A. [Member]	Member			cpac:QuimpacSAMember
562	Disclosure of subsidiaries [line items]	LineItems			ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesLineItems
563	Percentage of holding interests in subsidiary	Concept (Percent)	For Period		ifrs-full:ProportionOfOwnershipInterestsHeldByNoncontrollingInterests
564	Decrease in capital stock	Concept (Monetary)	For Period	Debit	ifrs-full:ReductionOfIssuedCapital
565	Capital stock	Concept (Monetary)	As Of	Credit	ifrs-full:IssuedCapital
566	Investment shares	Concept (Monetary)	As Of	Credit	ifrs-full:OtherEquityInterest
567	Additional paid-in capital	Concept (Monetary)	As Of	Credit	ifrs-full:AdditionalPaidinCapital
568	Other reserves	Concept (Monetary)	As Of	Credit	ifrs-full:OtherReserves
569	Non-controlling interest	Concept (Monetary)	As Of	Credit	ifrs-full:NoncontrollingInterests
570	Description of shares received upon spin-off	Concept (Text/String)	For Period		cpac:DescriptionOfSharesReceivedUponSpinOff
571	00000075 - Disclosure - Significant accounting policies (Details)	Network	*	*	http://cementospacasmayo.com.pe/role/SignificantAccountingPoliciesDetails
572	Disclosure of detailed information about property, plant and equipment [table]	Table	*	*	ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
573	Classes of property, plant and equipment [axis]	Axis			ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
574	Property, plant and equipment [member]	Member			ifrs-full:PropertyPlantAndEquipmentMember
575	Administrative facilities [Member]	Member			cpac:AdministrativeFacilitiesMember
576	Main production structures [Member]	Member			cpac:MainProductionStructuresMember
577	Minor production structures [Member]	Member			cpac:MinorProductionStructuresMember
578	Mills and horizontal furnaces [Member]	Member			cpac:MillsAndHorizontalFurnacesMember
579	Vertical furnaces, crushers and grinders [Member]	Member			cpac:VerticalFurnacesCrushersAndGrindersMember
580	Electricity facilities and other minors [Member]	Member			cpac:ElectricityFacilitiesAndOtherMinorsMember
581	Furniture and fixtures [member]	Member			ifrs-full:FixturesAndFittingsMember
582	Heavy units [Member]	Member			cpac:HeavyUnitsMember
583	Light units [Member]	Member			cpac:LightUnitsMember
584	Computer equipment [Member]	Member			ifrs-full:ComputerEquipmentMember
585	Tools [Member]	Member			cpac:ToolsMember
586	Disclosure of detailed information about property, plant and equipment [line items]	LineItems			ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
587	Estimated useful lives	Concept (Text/String)	For Period		ifrs-full:UsefulLivesOrDepreciationRatesPropertyPlantAndEquipment
588	00000076 - Disclosure - Significant accounting policies (Details Narrative)	Network	*	*	http://cementospacasmayo.com.pe/role/SignificantAccountingPoliciesDetailsNarrative
589	Implied Table	Table	*	*	implied:Table
590	Significant Accounting Policies	Abstract			cpac:SummaryOfSignificantAccountingPoliciesAbstract
591	Intangible assets estimated useful lives	Concept (Text/String)	For Period		ifrs-full:UsefulLivesOrAmortisationRatesIntangibleAssetsOtherThanGoodwill
592	Number of investment shares acquired	Concept (Shares)	As Of		cpac:NumberOfInvestmentSharesAcquired
593	00000077 - Disclosure - Standards issued but not yet effective (Details)	Network	*	*	http://cementospacasmayo.com.pe/role/StandardsIssuedButNotYetEffectiveDetails
594	Disclosure of expected impact of initial application of new standards or interpretations [table]	Table	*	*	ifrs-full:DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsTable
595	New IFRSs [axis]	Axis			ifrs-full:NewIFRSsAxis
596	New IFRSs [member]	Member			ifrs-full:NewIFRSsMember
597	IFRS 9 Financial Instruments [Member]	Member			cpac:IFRS9FinancialInstrumentsMember
598	Disclosure of expected impact of initial application of new standards or interpretations [line items]	LineItems			ifrs-full:DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsLineItems
599	Asset	Abstract			ifrs-full:AssetsAbstract
600	Available for sale financial investments	Concept (Monetary)	As Of	Debit	ifrs-full:FinancialAssetsAvailableforsale
601	Deferred income tax liability	Concept (Monetary)	As Of	Credit	ifrs-full:DeferredTaxLiabilities
602	Total assets	Concept (Monetary)	As Of	Debit	ifrs-full:Assets
603	Liability and equity	Abstract			ifrs-full:EquityAndLiabilitiesAbstract
604	Other comprehensive income	Concept (Monetary)	As Of	Credit	ifrs-full:AccumulatedOtherComprehensiveIncome
605	Total liability and equity	Concept (Monetary)	As Of	Credit	ifrs-full:EquityAndLiabilities
606	00000078 - Disclosure - Standards issued but not yet effective (Details 1)	Network	*	*	http://cementospacasmayo.com.pe/role/StandardsIssuedButNotYetEffectiveDetails1
607	Disclosure of expected impact of initial application of new standards or interpretations [table]	Table	*	*	ifrs-full:DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsTable
608	New IFRSs [axis]	Axis			ifrs-full:NewIFRSsAxis
609	New IFRSs [member]	Member			ifrs-full:NewIFRSsMember
610	IFRS 15 Revenue from Contracts with Customers [Member]	Member			cpac:IFRS15RevenueFromContractsWithCustomersMember
611	Disclosure of expected impact of initial application of new standards or interpretations [line items]	LineItems			ifrs-full:DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsLineItems
612	Sales of goods	Concept (Monetary)	For Period	Credit	ifrs-full:Revenue
613	Selling and distribution expenses	Concept (Monetary)	For Period	Debit	ifrs-full:SellingExpense
614	Net impact on profit for the year	Concept (Monetary)	For Period	Credit	cpac:NetImpactOnProfitForYear
615	Attributable to	Abstract			ifrs-full:ProfitLossAttributableToAbstract
616	Equity holders of the parent	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossAttributableToOwnersOfParent
617	Non-controlling interests	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossAttributableToNoncontrollingInterests
618	Net impact	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
619	00000079 - Disclosure - Transactions in foreign currency (Details)	Network	*	*	http://cementospacasmayo.com.pe/role/TransactionsInForeignCurrencyDetails
620	Disclosure of subsidiaries [table]	Table	*	*	ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesTable
621	Currency [Axis]	Axis			us-gaap:CurrencyAxis
622	All Currencies [Domain]	Member			currency:AllCurrenciesDomain
623	USD	Member			currency:USD
624	Disclosure of subsidiaries [line items]	LineItems			ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesLineItems
625	Assets	Abstract			ifrs-full:AssetsAbstract
626	Cash and cash equivalents	Concept (Monetary)	As Of	Debit	ifrs-full:CashAndCashEquivalents
627	Trade and other receivables	Concept (Monetary)	As Of	Debit	ifrs-full:TradeAndOtherReceivables
628	Advances to suppliers for work in progress	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentAdvancesToSuppliers
629	Assets held for distribution	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForDistributionToOwners
630	Total assets	Concept (Monetary)	As Of	Debit	ifrs-full:Assets
631	Liabilities	Abstract			ifrs-full:LiabilitiesAbstract
632	Trade and other payables	Concept (Monetary)	As Of	Credit	ifrs-full:TradeAndOtherPayables
633	Liabilities held for distribution	Concept (Monetary)	As Of	Credit	ifrs-full:LiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale
634	Interest-bearing loans and borrowings	Concept (Monetary)	As Of	Credit	ifrs-full:Borrowings
635	Total liability	Concept (Monetary)	As Of	Credit	ifrs-full:Liabilities
636	Assets (liabilities)	Concept (Monetary)	As Of	Debit	ifrs-full:NetAssetsLiabilities
637	Cross currency swap position	Concept (Monetary)	As Of	Debit	cpac:CrossCurrencySwapPosition
638	Net monetary position	Concept (Monetary)	As Of	Debit	ifrs-full:NetFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements
639	00000080 - Disclosure - Transactions in foreign currency (Details Narrative)	Network	*	*	http://cementospacasmayo.com.pe/role/TransactionsInForeignCurrencyDetailsNarrative
640	Implied Table	Table	*	*	implied:Table
641	Transactions In Foreign Currency	Abstract			cpac:DisclosureOfForeignCurrencyAbstract
642	Exchange rate for purchases	Concept (Decimal)	As Of		cpac:ExchangeRateForPurchases
643	Exchange rate for sales	Concept (Decimal)	As Of		cpac:ExchangeRateForSales
644	(Loss) gain from exchange difference, net	Concept (Monetary)	For Period	Credit	ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss
645	00000081 - Disclosure - Cash and cash equivalents (Details)	Network	*	*	http://cementospacasmayo.com.pe/role/CashAndCashEquivalentsDetails
646	Implied Table	Table	*	*	implied:Table
647	Cash and cash equivalents [abstract]	Abstract			ifrs-full:CashAndCashEquivalentsAbstract
648	Cash on hand	Concept (Monetary)	As Of	Debit	ifrs-full:CashOnHand
649	Cash at banks	Concept (Monetary)	As Of	Debit	ifrs-full:BalancesWithBanks
650	Short-term deposits	Concept (Monetary)	As Of	Debit	ifrs-full:ShorttermDepositsClassifiedAsCashEquivalents
651	Cash and cash equivalents	Concept (Monetary)	As Of	Debit	ifrs-full:CashAndCashEquivalents
652	00000082 - Disclosure - Cash and cash equivalents (Details Narrative)	Network	*	*	http://cementospacasmayo.com.pe/role/CashAndCashEquivalentsDetailsNarrative
653	Implied Table	Table	*	*	implied:Table
654	Cash and cash equivalents [abstract]	Abstract			ifrs-full:CashAndCashEquivalentsAbstract
655	Interest income on term deposits	Concept (Monetary)	For Period	Credit	ifrs-full:InterestIncomeOnDeposits
656	Interest income receivable	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentInterestReceivable
657	00000083 - Disclosure - Trade and other receivables (Details)	Network	*	*	http://cementospacasmayo.com.pe/role/TradeAndOtherReceivablesDetails
658	Implied Table	Table	*	*	implied:Table
659	Trade and other receivables [abstract]	Abstract			ifrs-full:TradeAndOtherReceivablesAbstract
660	Trade receivables	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentTradeReceivables
661	Trade receivables, noncurrent	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentTradeReceivables
662	Indemnification from insurance	Concept (Monetary)	As Of	Debit	cpac:IndemnificationFromInsurance
663	Other receivables from sale of fixed assets	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentReceivablesFromSaleOfProperties
664	Other receivables from sale of fixed assets , noncurrent	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentReceivablesFromSaleOfProperties
665	Accounts receivable from Parent company and affiliates	Concept (Monetary)	As Of	Debit	ifrs-full:TradeAndOtherCurrentReceivablesDueFromRelatedParties
666	Accounts receivable from Parent company and affiliates, noncurrent	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentReceivablesDueFromRelatedParties
667	Loans to employees	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentLoansAndReceivables
668	Loans to employees , noncurrent	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentLoansAndReceivables
669	Interests receivables	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentInterestReceivable
670	Interests receivables, noncurrent	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentInterestReceivable
671	Funds restricted to tax payments	Concept (Monetary)	As Of	Debit	cpac:CurrentReceivablesFromFundsRestrictedToTaxPayments
672	Funds restricted to tax payments , noncurrent	Concept (Monetary)	As Of	Debit	cpac:NoncurrentReceivablesFromFundsRestrictedToTaxPayments
673	Other accounts receivable	Concept (Monetary)	As Of	Debit	ifrs-full:OtherCurrentReceivables
674	Other accounts receivable , noncurrent	Concept (Monetary)	As Of	Debit	ifrs-full:OtherNoncurrentReceivables
675	Allowance for doubtful accounts	Concept (Monetary)	As Of	Debit	cpac:AllowanceForDoubtfulAccountsTradeAndOtherCurrentReceivables
676	Allowance for doubtful accounts, noncurrent	Concept (Monetary)	As Of	Debit	cpac:AllowanceForDoubtfulAccountsNoncurrentReceivables
677	Financial assets classified as receivables	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentFinancialAssets
678	Financial assets classified as receivables, noncurrent	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentFinancialAssets
679	Value-added tax credit	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentValueAddedTaxReceivables
680	Value-added tax credit , noncurrent	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentValueAddedTaxReceivables
681	Tax refund receivable	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentReceivablesFromTaxesOtherThanIncomeTax
682	Tax refund receivable, noncurrent	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentReceivablesFromTaxesOtherThanIncomeTax
683	Non-financial assets classified as receivables	Concept (Monetary)	As Of	Debit	ifrs-full:OtherCurrentNonfinancialAssets
684	Non-financial assets classified as receivables, noncurrent	Concept (Monetary)	As Of	Debit	ifrs-full:OtherNoncurrentNonfinancialAssets
685	Trade and other current receivables	Concept (Monetary)	As Of	Debit	ifrs-full:TradeAndOtherCurrentReceivables
686	Trade and other current receivables , noncurrent	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentReceivables
687	00000084 - Disclosure - Trade and other receivables (Details 1)	Network	*	*	http://cementospacasmayo.com.pe/role/TradeAndOtherReceivablesDetails1
688	Implied Table	Table	*	*	implied:Table
689	Trade and other receivables [abstract]	Abstract			ifrs-full:TradeAndOtherReceivablesAbstract
690	Reconciliation of Changes In Allowance Account For Credit Losses Of Financial Assets [Roll Forward]	Abstract			ifrs-full:ReconciliationOfChangesInAllowanceAccountForCreditLossesOfFinancialAssetsAbstract
691	Opening balance	Concept (Monetary)	As Of	Credit	ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets
692	Additions	Concept (Monetary)	For Period		ifrs-full:AdditionalAllowanceRecognisedInProfitOrLossAllowanceAccountForCreditLossesOfFinancialAssets
693	Write-off	Concept (Monetary)	For Period	Debit	ifrs-full:UtilisationAllowanceAccountForCreditLossesOfFinancialAssets
694	Ending balance	Concept (Monetary)	As Of	Credit	ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets
695	00000085 - Disclosure - Trade and other receivables (Details 2)	Network	*	*	http://cementospacasmayo.com.pe/role/TradeAndOtherReceivablesDetails2
696	Disclosure of financial assets that are either past due or impaired [table]	Table	*	*	ifrs-full:DisclosureOfFinancialAssetsThatAreEitherPastDueOrImpairedTable
697	Impairment of financial assets [axis]	Axis			ifrs-full:ImpairmentOfFinancialAssetsAxis
698	Entity's total for impairment of financial assets [member]	Member			ifrs-full:EntitysTotalForImpairmentOfFinancialAssetsMember
699	Financial Assets Impaired [Member]	Member			ifrs-full:FinancialAssetsImpairedMember
700	Financial Assets Neither Past Due Nor Impaired [Member]	Member			ifrs-full:FinancialAssetsNeitherPastDueNorImpairedMember
701	Financial Assets Past Due But Not Impaired [Member]	Member			ifrs-full:FinancialAssetsPastDueButNotImpairedMember
702	Past due status [axis]	Axis			ifrs-full:PastDueStatusAxis
703	Past due status [member]	Member			ifrs-full:PastDueStatusMember
704	Current [Member]	Member			ifrs-full:CurrentMember
705	Later Than Three Months [Member]	Member			ifrs-full:LaterThanThreeMonthsMember
706	Later Than One Month And Not Later Than Two Months [Member]	Member			ifrs-full:LaterThanOneMonthAndNotLaterThanTwoMonthsMember
707	Later Than Two Months And Not Later Than Three Months [Member]	Member			ifrs-full:LaterThanTwoMonthsAndNotLaterThanThreeMonthsMember
708	Later Than Four Months [Member]	Member			ifrs-full:LaterThanFourMonthsMember
709	Disclosure of financial assets that are either past due or impaired [line items]	LineItems			ifrs-full:DisclosureOfFinancialAssetsThatAreEitherPastDueOrImpairedLineItems
710	Financial assets	Concept (Monetary)	As Of	Debit	ifrs-full:FinancialAssets
711	00000086 - Disclosure - Trade and other receivables (Details Narrative)	Network	*	*	http://cementospacasmayo.com.pe/role/TradeAndOtherReceivablesDetailsNarrative
712	Disclosure of subsidiaries [table]	Table	*	*	ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesTable
713	Subsidiaries [axis]	Axis			ifrs-full:SignificantInvestmentsInSubsidiariesAxis
714	Entity's total for subsidiaries [member]	Member			ifrs-full:EntitysTotalForSubsidiariesMember
715	Dinoselva Iquitos S.A.C. [Member]	Member			cpac:DinoselvaIquitosSACMember
716	Salmueras Sudamericanas S.A. [Member]	Member			cpac:SalmuerasSudamericanasSAMember
717	Disclosure of subsidiaries [line items]	LineItems			ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesLineItems
718	Value-added tax receivables	Concept (Monetary)	As Of	Debit	ifrs-full:ValueAddedTaxReceivables
719	00000087 - Disclosure - Inventories (Details)	Network	*	*	http://cementospacasmayo.com.pe/role/InventoriesDetails
720	Implied Table	Table	*	*	implied:Table
721	Inventories Tables	Abstract			cpac:InventoriesAbstract
722	Goods and finished products	Concept (Monetary)	As Of	Debit	ifrs-full:FinishedGoods
723	Work in progress	Concept (Monetary)	As Of	Debit	ifrs-full:WorkInProgress
724	Raw materials	Concept (Monetary)	As Of	Debit	ifrs-full:RawMaterials
725	Packages and packing	Concept (Monetary)	As Of	Debit	ifrs-full:ProductionSupplies
726	Fuel and carbon	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentFuel
727	Spare parts and supplies	Concept (Monetary)	As Of	Debit	ifrs-full:SpareParts
728	Inventory in transit	Concept (Monetary)	As Of	Debit	ifrs-full:OtherInventories
729	Inventories, at fair value less costs to sell	Concept (Monetary)	As Of	Debit	ifrs-full:InventoriesAtFairValueLessCostsToSell
730	Less - Provision for inventory obsolescence and net realizable value	Concept (Monetary)	As Of	Credit	cpac:ProvisionForInventoryObsolescenceAndNetRealizableValue
731	Inventories	Concept (Monetary)	As Of	Debit	ifrs-full:Inventories
732	00000088 - Disclosure - Inventories (Details 1)	Network	*	*	http://cementospacasmayo.com.pe/role/InventoriesDetails1
733	Implied Table	Table	*	*	implied:Table
734	Inventories Tables	Abstract			cpac:InventoriesAbstract
735	Provision For Inventory Obsolescence And Net Realizable Value [Roll Forward]	Abstract			cpac:InventoriesAtNetRealisableValueAbstract
736	Opening balance	Concept (Monetary)	As Of	Debit	ifrs-full:InventoriesAtNetRealisableValue
737	Additions	Concept (Monetary)	For Period		ifrs-full:ReversalOfInventoryWritedown
738	Recoveries	Concept (Monetary)	For Period		ifrs-full:InventoryWritedown2011
739	Disposals	Concept (Monetary)	For Period	Debit	ifrs-full:CostOfInventoriesRecognisedAsExpenseDuringPeriod
740	Final balance	Concept (Monetary)	As Of	Debit	ifrs-full:InventoriesAtNetRealisableValue
741	00000089 - Disclosure - Available-for-sale financial investments (Details)	Network	*	*	http://cementospacasmayo.com.pe/role/Available-for-saleFinancialInvestmentsDetails
742	Disclosure of financial assets [table]	Table	*	*	ifrs-full:DisclosureOfFinancialAssetsTable
743	Categories of financial assets [axis]	Axis			ifrs-full:CategoriesOfFinancialAssetsAxis
744	Financial assets, category [member]	Member			ifrs-full:FinancialAssetsCategoryMember
745	Financial Assets Available-for-Sale, Category [Member]	Member			ifrs-full:FinancialAssetsAvailableforsaleCategoryMember
746	Disclosure of financial assets [line items]	LineItems			ifrs-full:DisclosureOfFinancialAssetsLineItems
747	Movement In Available-For-Sale Financial Investments [Roll Forward]	Abstract			cpac:MovementInAvailableforsaleFinancialInvestmentsAbstract
748	Beginning balance	Concept (Monetary)	As Of	Debit	ifrs-full:FinancialAssetsAtFairValue
749	Investment shares from spin-off, note 1.1	Concept (Monetary)	For Period	Debit	cpac:InvestmentSharesFromSpinoff
750	Fair value change recorded in other comprehensive income	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncomeNetOfTaxAvailableforsaleFinancialAssets
751	Disposals (c)	Concept (Monetary)	For Period	Debit	ifrs-full:AmountsRemovedFromEquityAndAdjustedAgainstFairValueOfFinancialAssetsOnReclassificationOutOfFairValueThroughOtherComprehensiveIncomeMeasurementCategoryNetOfTax
752	Ending balance	Concept (Monetary)	As Of	Debit	ifrs-full:FinancialAssetsAtFairValue
753	00000090 - Disclosure - Available-for-sale financial investments (Details 1)	Network	*	*	http://cementospacasmayo.com.pe/role/Available-for-saleFinancialInvestmentsDetails1
754	Disclosure of financial assets [table]	Table	*	*	ifrs-full:DisclosureOfFinancialAssetsTable
755	Categories of financial assets [axis]	Axis			ifrs-full:CategoriesOfFinancialAssetsAxis
756	Financial assets, category [member]	Member			ifrs-full:FinancialAssetsCategoryMember
757	Financial Assets Available-for-Sale, Category [Member]	Member			ifrs-full:FinancialAssetsAvailableforsaleCategoryMember
758	Classes of financial assets [Axis]	Axis			ifrs-full:ClassesOfFinancialAssetsAxis
759	Financial assets, class [member]	Member			ifrs-full:FinancialAssetsMember
760	Equity Investments [Member]	Member			ifrs-full:EquityInvestmentsMember
761	Legal Entity [Axis]	Axis			dei:LegalEntityAxis
762	Entity [Domain]	Member			dei:EntityDomain
763	Union Andina de Cementos S.A.A. [Member]	Member			cpac:UnionAndinadeCementosSAAMember
764	Disclosure of financial assets [line items]	LineItems			ifrs-full:DisclosureOfFinancialAssetsLineItems
765	Cost	Concept (Monetary)	As Of	Debit	ifrs-full:FinancialAssets
766	Unrealized gain	Concept (Monetary)	As Of	Credit	cpac:FinancialAssetsUnrealizedGain
767	Available-for-sale financial investments	Concept (Monetary)	As Of	Debit	ifrs-full:FinancialAssetsAtFairValue
768	00000091 - Disclosure - Available-for-sale financial investments (Details 2)	Network	*	*	http://cementospacasmayo.com.pe/role/Available-for-saleFinancialInvestmentsDetails2
769	Disclosure of financial assets [table]	Table	*	*	ifrs-full:DisclosureOfFinancialAssetsTable
770	Categories of financial assets [axis]	Axis			ifrs-full:CategoriesOfFinancialAssetsAxis
771	Financial assets, category [member]	Member			ifrs-full:FinancialAssetsCategoryMember
772	Financial Assets Available-for-Sale, Category [Member]	Member			ifrs-full:FinancialAssetsAvailableforsaleCategoryMember
773	Classes of financial assets [Axis]	Axis			ifrs-full:ClassesOfFinancialAssetsAxis
774	Financial assets, class [member]	Member			ifrs-full:FinancialAssetsMember
775	Equity Investments [Member]	Member			ifrs-full:EquityInvestmentsMember
776	Legal Entity [Axis]	Axis			dei:LegalEntityAxis
777	Entity [Domain]	Member			dei:EntityDomain
778	Union Andina de Cementos S.A.A. [Member]	Member			cpac:UnionAndinadeCementosSAAMember
779	Disclosure of financial assets [line items]	LineItems			ifrs-full:DisclosureOfFinancialAssetsLineItems
780	Number of shares	Concept (Shares)	As Of		ifrs-full:NumberOfSharesIssued
781	00000092 - Disclosure - Available-for-sale financial investments (Details Narrative)	Network	*	*	http://cementospacasmayo.com.pe/role/Available-for-saleFinancialInvestmentsDetailsNarrative
782	Disclosure of financial assets [table]	Table	*	*	ifrs-full:DisclosureOfFinancialAssetsTable
783	Categories of financial assets [axis]	Axis			ifrs-full:CategoriesOfFinancialAssetsAxis
784	Financial assets, category [member]	Member			ifrs-full:FinancialAssetsCategoryMember
785	Financial Assets Available-for-Sale, Category [Member]	Member			ifrs-full:FinancialAssetsAvailableforsaleCategoryMember
786	Classes of financial assets [Axis]	Axis			ifrs-full:ClassesOfFinancialAssetsAxis
787	Financial assets, class [member]	Member			ifrs-full:FinancialAssetsMember
788	Equity Investments [Member]	Member			ifrs-full:EquityInvestmentsMember
789	Legal Entity [Axis]	Axis			dei:LegalEntityAxis
790	Entity [Domain]	Member			dei:EntityDomain
791	Union Andina de Cementos S.A.A. [Member]	Member			cpac:UnionAndinadeCementosSAAMember
792	Disclosure of financial assets [line items]	LineItems			ifrs-full:DisclosureOfFinancialAssetsLineItems
793	Number of shares	Concept (Shares)	As Of		ifrs-full:NumberOfSharesIssued
794	Proceeds from sale of available for sale financial investments	Concept (Monetary)	For Period	Debit	ifrs-full:ProceedsFromDisposalOrMaturityOfAvailableforsaleFinancialAssets
795	Gain from sale of available for sale financial investments	Concept (Monetary)	For Period	Credit	ifrs-full:GainsLossesOnAvailableforsaleFinancialAssets
796	00000093 - Disclosure - Property, plant and equipment (Details)	Network	*	*	http://cementospacasmayo.com.pe/role/PropertyPlantAndEquipmentDetails
797	Disclosure of financial assets [table]	Table	*	*	ifrs-full:DisclosureOfFinancialAssetsTable
798	Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]	Axis			ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
799	Carrying amount [member]	Member			ifrs-full:CarryingAmountMember
800	Cost [Member]	Member			ifrs-full:GrossCarryingAmountMember
801	Accumulated Depreciation [Member]	Member			ifrs-full:AccumulatedDepreciationAndAmortisationMember
802	Accumulated Impairment [Member]	Member			ifrs-full:AccumulatedImpairmentMember
803	Carrying Amount [Member]	Member			cpac:CarryingAmount1Member
804	Classes of property, plant and equipment [axis]	Axis			ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
805	Property, plant and equipment [member]	Member			ifrs-full:PropertyPlantAndEquipmentMember
806	Mining Concessions [Member]	Member			ifrs-full:MiningAssetsMember
807	Mine Development [Member]	Member			ifrs-full:MiningPropertyMember
808	Land [Member]	Member			ifrs-full:LandMember
809	Buildings And Other Construction [Member]	Member			ifrs-full:BuildingsMember
810	Machinery, Equipment And Related Spare Parts [Member]	Member			ifrs-full:MachineryMember
811	Furniture And Accessories [Member]	Member			ifrs-full:OfficeEquipmentMember
812	Transportation Units [Member]	Member			ifrs-full:VehiclesMember
813	Computer Equipment And Tools [Member]	Member			ifrs-full:ComputerEquipmentMember
814	Mine Rehabilitation Costs [Member]	Member			cpac:MineRehabilitationCostsMember
815	Capitalized Interests [Member]	Member			ifrs-full:OtherPropertyPlantAndEquipmentMember
816	Works In Progress And Units In Transit [Member]	Member			ifrs-full:ConstructionInProgressMember
817	Total [Member]	Member			cpac:PropertyPlantAndEquipment1Member
818	Disclosure of financial assets [line items]	LineItems			ifrs-full:DisclosureOfFinancialAssetsLineItems
819	Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward]	Abstract			ifrs-full:ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract
820	Beginning balance	Concept (Monetary)	As Of	Debit	ifrs-full:PropertyPlantAndEquipment
821	Additions	Concept (Monetary)	For Period	Debit	ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment
822	Additions	Concept (Monetary)	For Period		ifrs-full:DepreciationPropertyPlantAndEquipment
823	Capitalized interests	Concept (Monetary)	For Period	Debit	ifrs-full:RevaluationIncreaseDecreasePropertyPlantAndEquipment
824	Disposals	Concept (Monetary)	For Period	Credit	ifrs-full:DisposalsPropertyPlantAndEquipment
825	Total Assets held for distribution	Concept (Monetary)	For Period	Debit	cpac:DecreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment1
826	Transfers	Concept (Monetary)	For Period	Debit	ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesPropertyPlantAndEquipment
827	Assets held for distribution	Concept (Monetary)	For Period	Credit	ifrs-full:DecreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment
828	End balance	Concept (Monetary)	As Of	Debit	ifrs-full:PropertyPlantAndEquipment
829	00000094 - Disclosure - Property, plant and equipment (Details Narrative)	Network	*	*	http://cementospacasmayo.com.pe/role/PropertyPlantAndEquipmentDetailsNarrative
830	Disclosure of financial assets [table]	Table	*	*	ifrs-full:DisclosureOfFinancialAssetsTable
831	Classes of property, plant and equipment [axis]	Axis			ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
832	Property, plant and equipment [member]	Member			ifrs-full:PropertyPlantAndEquipmentMember
833	Mining Concessions [Member]	Member			ifrs-full:MiningAssetsMember
834	Disclosure of financial assets [line items]	LineItems			ifrs-full:DisclosureOfFinancialAssetsLineItems
835	Net acquisition costs	Concept (Monetary)	As Of	Debit	cpac:NetAcquisitionCosts
836	00000095 - Disclosure - Exploration, evaluation and intangible assets (Details)	Network	*	*	http://cementospacasmayo.com.pe/role/ExplorationEvaluationAndIntangibleAssetsDetails
837	Disclosure of detailed information about property, plant and equipment [table]	Table	*	*	ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
838	Classes of property, plant and equipment [axis]	Axis			ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
839	Property, plant and equipment [member]	Member			ifrs-full:PropertyPlantAndEquipmentMember
840	Exploration and Evaluation Assets [Member]	Member			ifrs-full:TangibleExplorationAndEvaluationAssetsMember
841	Disclosure of detailed information about property, plant and equipment [line items]	LineItems			ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
842	Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward]	Abstract			ifrs-full:ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract
843	Beginning balance	Concept (Monetary)	As Of	Debit	ifrs-full:PropertyPlantAndEquipment
844	Additions	Concept (Monetary)	For Period	Debit	ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment
845	Transfers	Concept (Monetary)	For Period	Debit	ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesPropertyPlantAndEquipment
846	Amortization	Concept (Monetary)	For Period		ifrs-full:DepreciationPropertyPlantAndEquipment
847	Assets held for distribution	Concept (Monetary)	For Period	Credit	ifrs-full:DecreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment
848	End balance	Concept (Monetary)	As Of	Debit	ifrs-full:PropertyPlantAndEquipment
849	00000097 - Disclosure - Trade and other payables (Details)	Network	*	*	http://cementospacasmayo.com.pe/role/TradeAndOtherPayablesDetails
850	Implied Table	Table	*	*	implied:Table
851	Trade and other payables [abstract]	Abstract			ifrs-full:TradeAndOtherPayablesAbstract
852	Trade payables	Concept (Monetary)	As Of	Credit	ifrs-full:TradeAndOtherCurrentPayablesToTradeSuppliers
853	Dividends payable, note 16(g)	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentDividendPayables
854	Interests payable	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentInterestPayable
855	Remuneration payable	Concept (Monetary)	As Of	Credit	cpac:CurrentRemunerationPayable
856	Taxes and contributions	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentAccruedExpensesAndOtherCurrentLiabilities
857	Hedge finance cost payable	Concept (Monetary)	As Of	Credit	cpac:CurrentHedgeFinanceCostPayable
858	Board of Directors' fees	Concept (Monetary)	As Of	Credit	cpac:CurrentDirectorsFees
859	Advances from customers	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentAdvances
860	Guarantee deposits	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentDepositsFromCustomers
861	Account payable to related party, note 25	Concept (Monetary)	As Of	Credit	ifrs-full:TradeAndOtherPayablesToRelatedParties
862	Other accounts payable	Concept (Monetary)	As Of	Credit	ifrs-full:OtherCurrentLiabilities
863	Trade and other payables	Concept (Monetary)	As Of	Credit	ifrs-full:TradeAndOtherCurrentPayables
864	00000098 - Disclosure - Provisions (Details)	Network	*	*	http://cementospacasmayo.com.pe/role/ProvisionsDetails
865	Disclosure of other provisions [table]	Table	*	*	ifrs-full:DisclosureOfOtherProvisionsTable
866	Classes of other provisions [axis]	Axis			ifrs-full:ClassesOfProvisionsAxis
867	Other provisions [member]	Member			ifrs-full:OtherProvisionsMember
868	Worker' Profit-Sharing [Member]	Member			cpac:ProvisionForWorkersProfitSharingMember
869	Long-term Incentive Plan [Member]	Member			cpac:ProvisionForLongTermIncentivePlanMember
870	Rehabilitation Provision [Member]	Member			ifrs-full:ProvisionForDecommissioningRestorationAndRehabilitationCostsMember
871	Disclosure of other provisions [line items]	LineItems			ifrs-full:DisclosureOfOtherProvisionsLineItems
872	Reconciliation of changes in other provisions [Roll Forward]	Abstract			ifrs-full:ReconciliationOfChangesInOtherProvisionsAbstract
873	Balance at beginning	Concept (Monetary)	As Of	Credit	ifrs-full:OtherProvisions
874	Additions, notes 21 and 25	Concept (Monetary)	For Period	Credit	ifrs-full:NewProvisionsOtherProvisions
875	Change in estimates, note 22	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseInExistingProvisionsOtherProvisions
876	Unwinding of discount, note 24	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughTimeValueOfMoneyAdjustmentOtherProvisions
877	Payments and advances	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesOtherProvisions
878	Balance at end	Concept (Monetary)	As Of	Credit	ifrs-full:OtherProvisions
879	Current portion	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentProvisions
880	Non-current portion	Concept (Monetary)	As Of	Credit	ifrs-full:NoncurrentProvisions
881	Provisions	Concept (Monetary)	As Of	Credit	ifrs-full:Provisions
882	00000099 - Disclosure - Provisions (Details Narrative)	Network	*	*	http://cementospacasmayo.com.pe/role/ProvisionsDetailsNarrative
883	Disclosure of other provisions [table]	Table	*	*	ifrs-full:DisclosureOfOtherProvisionsTable
884	Classes of other provisions [axis]	Axis			ifrs-full:ClassesOfProvisionsAxis
885	Other provisions [member]	Member			ifrs-full:OtherProvisionsMember
886	Worker' Profit-Sharing [Member]	Member			cpac:ProvisionForWorkersProfitSharingMember
887	Long-term Incentive Plan [Member]	Member			cpac:ProvisionForLongTermIncentivePlanMember
888	Rehabilitation Provision [Member]	Member			ifrs-full:ProvisionForDecommissioningRestorationAndRehabilitationCostsMember
889	Range [Axis]	Axis			ifrs-full:RangeAxis
890	Ranges [member]	Member			ifrs-full:RangesMember
891	Bottom of Range [Member]	Member			ifrs-full:BottomOfRangeMember
892	Top of Range [Member]	Member			ifrs-full:TopOfRangeMember
893	Disclosure of other provisions [line items]	LineItems			ifrs-full:DisclosureOfOtherProvisionsLineItems
894	Percentage of employee profit sharing plan	Concept (Percent)	As Of		cpac:PercentageOfEmployeeProfitSharingPlan
895	Percentage of distributions based on number of days working in preceding year	Concept (Percent)	As Of		cpac:PercentageOfDistributionsBasedOnNumberOfDaysWorking
896	Percentage of proportionate annual salary levels	Concept (Percent)	As Of		cpac:PercentageOfProportionateAnnualSalaryLevels
897	Other provisions	Concept (Monetary)	As Of	Credit	ifrs-full:OtherProvisions
898	Percentage of present value of provision	Concept (Percent)	As Of		cpac:PercentageOfPresentValueOfProvision
899	00000100 - Disclosure - Interest-bearing loans and borrowings (Details)	Network	*	*	http://cementospacasmayo.com.pe/role/Interest-bearingLoansAndBorrowingsDetails
900	Disclosure of detailed information about borrowings [table]	Table	*	*	ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
901	Borrowings by name [axis]	Axis			ifrs-full:BorrowingsByNameAxis
902	Borrowings by name [member]	Member			ifrs-full:BorrowingsByNameMember
903	Senior Notes [Member]	Member			cpac:SeniorNotes1Member
904	Disclosure of detailed information about borrowings [line items]	LineItems			ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
905	Nominal interest rate	Concept (Percent)	As Of		ifrs-full:BorrowingsInterestRate
906	Maturity date	Concept (Text/String)	For Period		ifrs-full:BorrowingsMaturity
907	Principal, net of issuance costs	Concept (Monetary)	As Of	Credit	ifrs-full:Borrowings
908	Total non-current loans	Concept (Monetary)	As Of	Credit	ifrs-full:LongtermBorrowings
909	00000101 - Disclosure - Interest-bearing loans and borrowings (Details Narrative)	Network	*	*	http://cementospacasmayo.com.pe/role/Interest-bearingLoansAndBorrowingsDetailsNarrative
910	Disclosure of detailed information about borrowings [table]	Table	*	*	ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
911	Borrowings by name [axis]	Axis			ifrs-full:BorrowingsByNameAxis
912	Borrowings by name [member]	Member			ifrs-full:BorrowingsByNameMember
913	Senior Notes [Member]	Member			cpac:SeniorNotes1Member
914	Currency [Axis]	Axis			us-gaap:CurrencyAxis
915	All Currencies [Domain]	Member			currency:AllCurrenciesDomain
916	USD	Member			currency:USD
917	Disclosure of detailed information about borrowings [line items]	LineItems			ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
918	Face amount	Concept (Monetary)	As Of		ifrs-full:NotionalAmount
919	Total net proceeds from borowing	Concept (Monetary)	For Period	Debit	ifrs-full:ProceedsFromBorrowingsClassifiedAsFinancingActivities
920	Accrued interest	Concept (Monetary)	For Period	Debit	ifrs-full:InterestExpenseOnBorrowings
921	00000102 - Disclosure - Deferred income tax assets and liabilities, net (Details)	Network	*	*	http://cementospacasmayo.com.pe/role/DeferredIncomeTaxAssetsAndLiabilitiesNetDetails
922	Disclosure of temporary difference, unused tax losses and unused tax credits [table]	Table	*	*	ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable
923	Temporary difference, unused tax losses and unused tax credits [axis]	Axis			ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
924	Temporary difference, unused tax losses and unused tax credits [member]	Member			ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
925	Provision For Vacations [Member]	Member			cpac:ProvisionForVacationsMember
926	Effect Of Differences Between Book And Tax Bases Of Fixed Assets And In The Depreciation Rates Used For Book Purposes [Member]	Member			cpac:EffectOfDifferencesBetweenBookAndTaxBasesOfFixedAssetsAndInTheDepreciationRatesUsedForBookPurposesMember
927	Other [Member]	Member			cpac:OtherDeferredIncomeTaxAssetsMember
928	Tax-Loss Carry Forward [Member]	Member			cpac:TaxLossCarryForwardMember
929	Pre-Operating Costs [Member]	Member			cpac:PreOperatingCostsMember
930	Total Deferred Income Tax Assets, Net [Member]	Member			cpac:TotalDeferredIncomeTaxAssetsNetMember
931	Impairment Of Zinc Mining Assets [Member]	Member			cpac:ImpairmentOfZincMiningAssetsMember
932	Impairment on Brine Project Assets [Member]	Member			cpac:ImpairmentOnBrineProjectAssetsMember
933	Long-Term Incentive Plan [Member]	Member			cpac:LongTermIncentivePlanMember
934	Provision For Vacations [Member]	Member			cpac:ProvisionForVacations1Member
935	Available For Sale Financial Investment From Spin-Off [Member]	Member			cpac:AvailableForSaleFinancialInvestmentFromSpinOffMember
936	Discounts On Trade Receivables [Member]	Member			cpac:DiscountsOnTradeReceivablesMember
937	Other [Member]	Member			cpac:OtherDeferredIncomeTaxLiabilitiesMember
938	Deferred Income Tax Assets [Member]	Member			cpac:DeferredIncomeTaxAssets1Member
939	Effect Of Differences Between Book And Tax Bases Of Fixed Assets And In The Depreciation Rates Used For Book Purposes [Member]	Member			cpac:EffectOfDifferencesBetweenBookAndTaxBasesOfFixedAssetsAndInTheDepreciationRatesUsedForBookPurposes1Member
940	Effect Of Costs Of Issuance Of Senior Notes [Member]	Member			cpac:EffectOfCostsOfIssuanceOfSeniorNotesMember
941	Net Gain On Cash Flow Hedge [Member]	Member			cpac:NetGainOnCashFlowHedgeMember
942	Effect Of Available-For-Sale Investments [Member]	Member			cpac:EffectOfAvailableForSaleInvestmentsMember
943	Other [Member]	Member			cpac:OtherDeferredIncomeTaxLiabilities1Member
944	Deferred Income Tax Liabilities [Member]	Member			cpac:DeferredIncomeTaxLiabilities1Member
945	Total Deferred Income Tax Liabilities, Net [Member]	Member			cpac:TotalDeferredIncomeTaxLiabilitiesNetMember
946	Disclosure of temporary difference, unused tax losses and unused tax credits [line items]	LineItems			ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems
947	Reconciliation of changes in deferred tax liability (asset) [RollForward]	Abstract			ifrs-full:ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract
948	As of January 01, 2015	Concept (Monetary)	As Of	Credit	ifrs-full:DeferredTaxLiabilityAsset
949	Effect on profit or loss	Concept (Monetary)	For Period		ifrs-full:DeferredTaxExpenseIncomeRecognisedInProfitOrLoss
950	Effect on OCI	Concept (Monetary)	For Period		ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome
951	Discontinued operations	Concept (Monetary)	For Period	Debit	ifrs-full:TaxExpenseRelatingToProfitLossFromOrdinaryActivitiesOfDiscontinuedOperations
952	As of December 31, 2016	Concept (Monetary)	As Of	Credit	ifrs-full:DeferredTaxLiabilityAsset
953	00000103 - Disclosure - Deferred income tax assets and liabilities, net (Details 1)	Network	*	*	http://cementospacasmayo.com.pe/role/DeferredIncomeTaxAssetsAndLiabilitiesNetDetails1
954	Implied Table	Table	*	*	implied:Table
955	Deferred Income Tax Assets And Liabilities Net	Abstract			cpac:DeferredTaxesAbstract
956	Profit before income tax from continuing operations	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossFromContinuingOperations
957	Loss before income tax from discontinued operations	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossFromDiscontinuedOperations
958	Accounting profit before income tax	Concept (Monetary)	For Period	Credit	ifrs-full:AccountingProfit
959	At statutory income tax rate of 29.5% (2016: 28%, 2015:28%)	Concept (Monetary)	For Period	Debit	ifrs-full:TaxExpenseIncomeAtApplicableTaxRate
960	Differences	Abstract			cpac:PermanentDifferencesAbstract
961	Non-deductible expenses, net	Concept (Monetary)	For Period	Debit	ifrs-full:TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss
962	Effect of tax-loss carry forward non-recognized	Concept (Monetary)	For Period	Debit	cpac:TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss2
963	Dividends obtained from available-for-sale investments	Concept (Monetary)	For Period	Debit	cpac:TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss1
964	Effect of the change in income tax-rate	Concept (Monetary)	For Period	Debit	ifrs-full:TaxEffectFromChangeInTaxRate
965	At the effective income tax rate of 37% in 2017 (2016: 39% and 2015: 29%)	Concept (Monetary)	For Period	Debit	ifrs-full:OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome
966	Income tax from continuing operations	Concept (Monetary)	For Period	Debit	ifrs-full:IncomeTaxExpenseContinuingOperations
967	Income tax from discontinued operations	Concept (Monetary)	For Period	Debit	ifrs-full:TaxExpenseRelatingToProfitLossFromOrdinaryActivitiesOfDiscontinuedOperations
968	Total permanent differences	Concept (Monetary)	For Period	Debit	ifrs-full:CurrentTaxExpenseIncome
969	00000104 - Disclosure - Deferred income tax assets and liabilities, net (Details 2)	Network	*	*	http://cementospacasmayo.com.pe/role/DeferredIncomeTaxAssetsAndLiabilitiesNetDetails2
970	Implied Table	Table	*	*	implied:Table
971	Deferred Income Tax Assets And Liabilities Net	Abstract			cpac:DeferredTaxesAbstract
972	Current	Concept (Monetary)	For Period	Debit	ifrs-full:CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods
973	Deferred	Concept (Monetary)	For Period	Debit	ifrs-full:OtherComponentsOfDeferredTaxExpenseIncome
974	Income tax expense	Concept (Monetary)	For Period	Debit	ifrs-full:IncomeTaxExpenseContinuingOperations
975	00000105 - Disclosure - Deferred income tax assets and liabilities, net (Details 3)	Network	*	*	http://cementospacasmayo.com.pe/role/DeferredIncomeTaxAssetsAndLiabilitiesNetDetails3
976	Implied Table	Table	*	*	implied:Table
977	Deferred Income Tax Assets And Liabilities Net	Abstract			cpac:DeferredTaxesAbstract
978	Tax effect on unrealized gain (loss) on available-for-sale financial asset	Concept (Monetary)	For Period	Debit	ifrs-full:IncomeTaxRelatingToAvailableforsaleFinancialAssetsOfOtherComprehensiveIncome
979	Tax effect on unrealized gain (loss) on derivative financial asset	Concept (Monetary)	For Period	Debit	ifrs-full:IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome
980	Effect of the change in income tax-rate	Concept (Monetary)	For Period	Debit	cpac:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome1
981	Total deferred income tax in OCI	Concept (Monetary)	For Period		ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome
982	Temporary difference on purchase of treasury shares	Concept (Monetary)	For Period	Credit	ifrs-full:TaxBenefitArisingFromPreviouslyUnrecognisedTaxLossTaxCreditOrTemporaryDifferenceOfPriorPeriodUsedToReduceDeferredTaxExpense
983	Temporary difference on available for sale financial investments from spin-off	Concept (Monetary)	For Period	Debit	cpac:TemporaryDifferenceOnAvailableForSaleFinancialInvestmentsFromSpinoff
984	Total deferred income tax in equity	Concept (Monetary)	For Period		ifrs-full:DeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity
985	00000106 - Disclosure - Deferred income tax assets and liabilities, net (Details Narrative)	Network	*	*	http://cementospacasmayo.com.pe/role/DeferredIncomeTaxAssetsAndLiabilitiesNetDetailsNarrative
986	Disclosure of temporary difference, unused tax losses and unused tax credits [table]	Table	*	*	ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable
987	Subsidiaries [axis]	Axis			ifrs-full:SignificantInvestmentsInSubsidiariesAxis
988	Entity's total for subsidiaries [member]	Member			ifrs-full:EntitysTotalForSubsidiariesMember
989	Temporary difference, unused tax losses and unused tax credits [axis]	Axis			ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
990	Temporary difference, unused tax losses and unused tax credits [member]	Member			ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
991	Temporary Differences [Member]	Member			ifrs-full:OtherTemporaryDifferencesMember
992	Disclosure of temporary difference, unused tax losses and unused tax credits [line items]	LineItems			ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems
993	Applicable tax rate	Concept (Percent)	For Period		ifrs-full:ApplicableTaxRate
994	Other tax rate effects for reconciliation between accounting profit and tax expense (income)	Concept (Percent)	For Period		ifrs-full:OtherTaxRateEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome
995	Previous legislative applicable tax rate	Concept (Percent)	For Period		cpac:ApplicableTaxRate1
996	Increased in deferred income tax liability	Concept (Monetary)	For Period	Credit	cpac:IncreaseDecreaseInDeferredTaxLiability
997	Increased in deferred income tax assets	Concept (Monetary)	For Period	Credit	cpac:IncreaseDecreaseInDeferredTaxAsset
998	Higher income tax expense	Concept (Monetary)	For Period	Debit	cpac:FutureIncomeTaxExpenseContinuingOperations
999	Total other comprehensive income	Concept (Monetary)	For Period		ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome
1000	Percentage of offset future annual taxable profits	Concept (Percent)	For Period		cpac:PercentageOfOffsetFutureAnnualTaxableProfits
1001	Deferred tax expense (income) unrecognised increase profit or loss	Concept (Monetary)	For Period	Debit	cpac:DeferredTaxExpenseIncomeUnrecognisedIncreaseInProfitOrLoss
1002	Deferred tax liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:DeferredTaxLiabilities
1003	00000107 - Disclosure - Equity (Details)	Network	*	*	http://cementospacasmayo.com.pe/role/EquityDetails
1004	Implied Table	Table	*	*	implied:Table
1005	Equity Tables	Abstract			cpac:ShareCapitalReservesAndOtherEquityInterestAbstract
1006	Cash dividends on ordinary shares declared and paid	Abstract			cpac:CashDividendsOnOrdinarySharesDeclaredAndPaidAbstract
1007	Dividend for 2017: S/0.35000 per share (2016: S/0.28500 per share, 2015: S/0.28000 per share)	Concept (Monetary)	For Period	Debit	ifrs-full:DividendsPaidOrdinaryShares
1008	Dividend declared and paid per shares	Concept (Share)	For Period		ifrs-full:DividendsPaidOrdinarySharesPerShare
1009	00000109 - Disclosure - Sales of goods (Details)	Network	*	*	http://cementospacasmayo.com.pe/role/SalesOfGoodsDetails
1010	Implied Table	Table	*	*	implied:Table
1011	Revenue [abstract]	Abstract			ifrs-full:RevenueAbstract
1012	Cement, concrete and blocks	Concept (Monetary)	For Period	Credit	cpac:RevenueFromCementConcreteAndBlocks
1013	Building materials	Concept (Monetary)	For Period	Credit	cpac:RevenueFromBuildingMaterials
1014	Quicklime	Concept (Monetary)	For Period	Credit	cpac:RevenueFromQuicklime
1015	Other	Concept (Monetary)	For Period	Credit	ifrs-full:OtherRevenue
1016	Stotal sales of goods	Concept (Monetary)	For Period	Credit	ifrs-full:RevenueFromSaleOfGoods
1017	00000110 - Disclosure - Cost of sales (Details)	Network	*	*	http://cementospacasmayo.com.pe/role/CostOfSalesDetails
1018	Implied Table	Table	*	*	implied:Table
1019	Cost Of Sales Details	Abstract			cpac:CostOfSaleAbstract
1020	Cost Of Sales [Roll Forward]	Abstract			cpac:CostOfSalesAbstract
1021	Beginning balance of goods and finished products, note 8(a)	Concept (Monetary)	As Of	Debit	ifrs-full:FinishedGoods
1022	Beginning balance of work in progress, note 8(a)	Concept (Monetary)	As Of	Debit	ifrs-full:WorkInProgress
1023	Consumption of miscellaneous supplies	Concept (Monetary)	For Period	Debit	cpac:ConsumptionOfMiscellaneousSupplies
1024	Maintenance and third-party services	Concept (Monetary)	For Period	Debit	cpac:MaintenanceAndThirdPartyServices
1025	Depreciation and amortization	Concept (Monetary)	For Period	Debit	ifrs-full:DepreciationAndAmortisationExpense
1026	Shipping costs	Concept (Monetary)	For Period	Debit	cpac:ShippingCosts
1027	Personnel expenses, note 21(b)	Concept (Monetary)	For Period	Debit	cpac:PersonnelExpenses
1028	Costs of packaging	Concept (Monetary)	For Period	Debit	cpac:CostsOfPackaging
1029	Other manufacturing expenses	Concept (Monetary)	For Period	Debit	cpac:OtherManufacturingExpenses
1030	Ending balance of goods and finished products, note 8(a)	Concept (Monetary)	As Of	Debit	ifrs-full:FinishedGoods
1031	Ending balance of work in progress, note 8(a)	Concept (Monetary)	As Of	Debit	ifrs-full:WorkInProgress
1032	Total cost of sales	Concept (Monetary)	For Period	Debit	ifrs-full:CostOfSales
1033	00000111 - Disclosure - Administrative expenses (Details)	Network	*	*	http://cementospacasmayo.com.pe/role/AdministrativeExpensesDetails
1034	Implied Table	Table	*	*	implied:Table
1035	Administrative Expenses	Abstract			cpac:ExpensesByNatureAbstract
1036	Personnel expenses, note 21(b)	Concept (Monetary)	For Period	Debit	cpac:PersonnelExpenses1
1037	Third-party services	Concept (Monetary)	For Period	Debit	cpac:ThirdPartyServices
1038	Depreciation and amortization	Concept (Monetary)	For Period	Debit	cpac:DepreciationAndAmortisationExpense1
1039	Board of Directors compensation	Concept (Monetary)	For Period	Debit	cpac:BoardOfDirectorsCompensation
1040	Donations	Concept (Monetary)	For Period	Debit	ifrs-full:DonationsAndSubsidiesExpense
1041	Taxes	Concept (Monetary)	For Period	Debit	cpac:Taxes
1042	Consumption of supplies	Concept (Monetary)	For Period	Debit	cpac:ConsumptionOfSupplies
1043	Environmental expenditures, note 27	Concept (Monetary)	For Period	Debit	cpac:EnvironmentalExpenditures
1044	Total administrative expenses	Concept (Monetary)	For Period	Debit	ifrs-full:AdministrativeExpense
1045	00000112 - Disclosure - Selling and distribution expenses (Details)	Network	*	*	http://cementospacasmayo.com.pe/role/SellingAndDistributionExpensesDetails
1046	Implied Table	Table	*	*	implied:Table
1047	Selling And Distribution Expenses	Abstract			cpac:ExpensesAbstract
1048	Advertising and promotion	Concept (Monetary)	For Period	Debit	ifrs-full:DistributionAndAdministrativeExpense
1049	Personnel expenses, note 21(b)	Concept (Monetary)	For Period	Debit	cpac:PersonnelExpenses2
1050	Third-party services	Concept (Monetary)	For Period	Debit	cpac:ThirdPartyServices1
1051	Provision for doubtful accounts, note 7(d)	Concept (Monetary)	For Period	Debit	ifrs-full:ImpairmentLossRecognisedInProfitOrLossTradeReceivables
1052	Other	Concept (Monetary)	For Period	Debit	cpac:OtherSellingGeneralAndAdministrativeExpense1
1053	Total selling and distribution expenses	Concept (Monetary)	For Period	Debit	ifrs-full:SellingGeneralAndAdministrativeExpense
1054	00000113 - Disclosure - Employee benefits expenses (Details)	Network	*	*	http://cementospacasmayo.com.pe/role/EmployeeBenefitsExpensesDetails
1055	Implied Table	Table	*	*	implied:Table
1056	Employee Benefits Expenses	Abstract			cpac:EmployeeBenefitsAbstract
1057	Wages and salaries	Concept (Monetary)	For Period	Debit	ifrs-full:WagesAndSalaries
1058	Workers profit sharing, note 13	Concept (Monetary)	For Period	Debit	cpac:WorkersProfitSharing
1059	Social contributions	Concept (Monetary)	For Period	Debit	ifrs-full:SocialSecurityContributions
1060	Legal bonuses	Concept (Monetary)	For Period	Debit	cpac:LegalBonuses
1061	Vacations	Concept (Monetary)	For Period	Debit	cpac:Vacations
1062	Long-term compensation, note 13	Concept (Monetary)	For Period	Debit	ifrs-full:OtherLongtermBenefits
1063	Cessation payments	Concept (Monetary)	For Period	Debit	cpac:CessationPayments
1064	Training	Concept (Monetary)	For Period	Debit	cpac:Training
1065	Others	Concept (Monetary)	For Period	Debit	ifrs-full:OtherEmployeeExpense
1066	Total employee benefits expenses	Concept (Monetary)	For Period	Debit	ifrs-full:EmployeeBenefitsExpense
1067	00000114 - Disclosure - Employee benefits expenses (Details 1)	Network	*	*	http://cementospacasmayo.com.pe/role/EmployeeBenefitsExpensesDetails1
1068	Implied Table	Table	*	*	implied:Table
1069	Employee Benefits Expenses	Abstract			cpac:EmployeeBenefitsAbstract
1070	Cost of sales, note 18	Concept (Monetary)	For Period	Debit	cpac:PersonnelExpenses
1071	Administrative expenses, note 19	Concept (Monetary)	For Period	Debit	cpac:PersonnelExpenses1
1072	Selling and distribution expenses, note 20	Concept (Monetary)	For Period	Debit	cpac:PersonnelExpenses2
1073	Total employee benefits expenses	Concept (Monetary)	For Period	Debit	ifrs-full:EmployeeBenefitsExpense
1074	00000115 - Disclosure - Other operating income (expense), net (Details)	Network	*	*	http://cementospacasmayo.com.pe/role/OtherOperatingIncomeExpenseNetDetails
1075	Implied Table	Table	*	*	implied:Table
1076	Other Operating Income Expense Net	Abstract			cpac:OtherOperatingIncomeExpenseAbstract
1077	Write-off for disasters	Concept (Monetary)	For Period	Debit	cpac:WriteoffForDisasters
1078	Income from management and administrative services provided to related parties, note 25	Concept (Monetary)	For Period	Debit	ifrs-full:ProfessionalFeesExpense
1079	Recovery of expenses	Concept (Monetary)	For Period	Debit	cpac:RecoveryOfExpenses
1080	Income from land rental and office lease, note 25	Concept (Monetary)	For Period	Credit	ifrs-full:AmountRecognisedAsIncomeFromArrangementInvolvingLegalFormOfLease
1081	Net (loss) gain on disposal of property, plant and equipment	Concept (Monetary)	For Period	Credit	ifrs-full:AdjustmentsForGainLossOnDisposalsPropertyPlantAndEquipment
1082	Net income from sale of impaired inventories	Concept (Monetary)	For Period	Credit	cpac:NetIncomeFromSaleOfImpairedInventories
1083	Changes in the estimation of rehabilitation provision, note 13	Concept (Monetary)	For Period	Debit	cpac:ChangesInEstimationOfRehabilitationProvision
1084	Impairment of inventories	Concept (Monetary)	For Period	Debit	cpac:ImpairmentOfInventories
1085	Other minor, net	Concept (Monetary)	For Period	Debit	cpac:OtherMinorOperatingIncomeExpense
1086	Total other operating income (expense), net	Concept (Monetary)	For Period	Credit	ifrs-full:OtherGainsLosses
1087	00000116 - Disclosure - Finance income (Details)	Network	*	*	http://cementospacasmayo.com.pe/role/FinanceIncomeDetails
1088	Implied Table	Table	*	*	implied:Table
1089	Finance Income	Abstract			cpac:FinanceIncomeAbstract
1090	Credit value adjust on cross currency swaps	Concept (Monetary)	For Period	Debit	cpac:CreditValueAdjustOnCrossCurrencySwaps
1091	Interest on term deposits, note 6(c)	Concept (Monetary)	For Period	Credit	ifrs-full:InterestIncomeOnDeposits
1092	Interests on accounts receivable	Concept (Monetary)	For Period	Credit	cpac:InterestsOnAccountsReceivable
1093	Dividends received	Concept (Monetary)	For Period	Debit	ifrs-full:DividendsReceived
1094	Other finance income	Concept (Monetary)	For Period	Credit	ifrs-full:OtherFinanceIncome
1095	Total finance income	Concept (Monetary)	For Period	Credit	ifrs-full:FinanceIncome
1096	00000117 - Disclosure - Finance costs (Details)	Network	*	*	http://cementospacasmayo.com.pe/role/FinanceCostsDetails
1097	Implied Table	Table	*	*	implied:Table
1098	Finance Costs	Abstract			cpac:FinanceCostAbstract
1099	Interest on senior notes, net of capitalization, note 14	Concept (Monetary)	For Period	Debit	ifrs-full:InterestExpenseOnBorrowings
1100	Finance cost on cross currency swaps	Concept (Monetary)	For Period	Debit	cpac:FinanceCostOnCrossCurrencySwaps
1101	Amortization of costs of issuance of senior notes	Concept (Monetary)	For Period	Debit	cpac:AmortizationOfCostsOfIssuanceOfSeniorNotes
1102	Other	Concept (Monetary)	For Period	Debit	cpac:OtherFinanceCosts
1103	Total interest expense	Concept (Monetary)	For Period	Debit	ifrs-full:InterestExpense
1104	Unwinding of discount of long-term incentive plan, note 13	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughTimeValueOfMoneyAdjustmentOtherProvisions
1105	Unwinding of discount of other receivables	Concept (Monetary)	For Period	Debit	ifrs-full:ExpenseDueToUnwindingOfDiscountOnProvisions
1106	Total finance costs	Concept (Monetary)	For Period	Debit	ifrs-full:FinanceCosts
1107	00000118 - Disclosure - Related party disclosure (Details)	Network	*	*	http://cementospacasmayo.com.pe/role/RelatedPartyDisclosureDetails
1108	Disclosure of transactions between related parties [table]	Table	*	*	ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
1109	Categories of related parties [Axis]	Axis			ifrs-full:CategoriesOfRelatedPartiesAxis
1110	Entity's total for related parties [member]	Member			ifrs-full:EntitysTotalForRelatedPartiesMember
1111	Inversiones ASPI S.A. (ASPI) [Member]	Member			ifrs-full:ParentMember
1112	Servicios Corporativos Pacasmayo S.A.C. (Sercopa) [Member]	Member			ifrs-full:RelatedPartiesMember
1113	Compania Minera Ares S.A.C. (Ares) [Member]	Member			cpac:RelatedParties1Member
1114	Fossal S.A.A. (Fossal) [Member]	Member			cpac:RelatedParties3Member
1115	Fosfatos del Pacifico S.A. (Fospac) [Member]	Member			cpac:RelatedParties4Member
1116	Disclosure of transactions between related parties [line items]	LineItems			ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
1117	Income	Abstract			cpac:Income
1118	Income from land rental services	Concept (Monetary)	For Period	Credit	ifrs-full:RevenueRecognisedOnExchangingConstructionServicesForFinancialAsset
1119	Income from office lease	Concept (Monetary)	For Period	Credit	ifrs-full:AmountRecognisedAsIncomeFromArrangementInvolvingLegalFormOfLease
1120	Fees for management and administrative services	Concept (Monetary)	For Period	Debit	ifrs-full:ProfessionalFeesExpense
1121	Expense	Abstract			cpac:Expense
1122	Security services provided by Compania Minera Ares	Concept (Monetary)	For Period	Debit	ifrs-full:ServicesExpense
1123	Other	Abstract			cpac:Other
1124	Investments shares	Concept (Monetary)	For Period	Credit	ifrs-full:PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethod
1125	00000119 - Disclosure - Related party disclosure (Details 1)	Network	*	*	http://cementospacasmayo.com.pe/role/RelatedPartyDisclosureDetails1
1126	Disclosure of transactions between related parties [table]	Table	*	*	ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
1127	Categories of related parties [Axis]	Axis			ifrs-full:CategoriesOfRelatedPartiesAxis
1128	Entity's total for related parties [member]	Member			ifrs-full:EntitysTotalForRelatedPartiesMember
1129	Inversiones ASPI S.A. (ASPI) [Member]	Member			ifrs-full:ParentMember
1130	Compania Minera Ares S.A.C. (Ares) [Member]	Member			cpac:RelatedParties1Member
1131	Other Related Parties [Member]	Member			cpac:RelatedParties2Member
1132	Disclosure of transactions between related parties [line items]	LineItems			ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
1133	Accounts receivable	Concept (Monetary)	As Of	Debit	ifrs-full:AmountsReceivableRelatedPartyTransactions
1134	Accounts payable	Concept (Monetary)	As Of	Credit	ifrs-full:AmountsPayableRelatedPartyTransactions
1135	00000120 - Disclosure - Related party disclosure (Details Narrative)	Network	*	*	http://cementospacasmayo.com.pe/role/RelatedPartyDisclosureDetailsNarrative
1136	Implied Table	Table	*	*	implied:Table
1137	Related Party Disclosure	Abstract			cpac:RelatedPartyAbstract
1138	Dividend payables	Concept (Monetary)	As Of	Credit	ifrs-full:DividendPayables
1139	Total short term compensations	Concept (Monetary)	For Period	Debit	ifrs-full:KeyManagementPersonnelCompensationShorttermEmployeeBenefits
1140	Total long term compensations	Concept (Monetary)	For Period	Debit	ifrs-full:KeyManagementPersonnelCompensationOtherLongtermBenefits
1141	00000121 - Disclosure - Earnings per share (EPS) (Details)	Network	*	*	http://cementospacasmayo.com.pe/role/EarningsPerShareEpsDetails
1142	Implied Table	Table	*	*	implied:Table
1143	Earnings per share	Abstract			ifrs-full:EarningsPerShareAbstract
1144	Numerator	Abstract			ifrs-full:ProfitLossAttributableToAbstract
1145	Net profit from continuing operations attributable to ordinary equity holders of the Parent	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossFromContinuingOperations
1146	Net loss from discontinued operations attributable to ordinary equity holders of the Parent	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossFromDiscontinuedOperations
1147	Net profit attributable to ordinary equity holders of the Parent	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
1148	Denominator	Abstract			cpac:EarningsPerShare1Abstract
1149	Weighted average number of common and investment shares	Concept (Shares)	For Period		ifrs-full:WeightedAverageShares
1150	Basic profit for common and investment shares from continuing operations	Concept (Share)	For Period		ifrs-full:BasicEarningsLossPerShareFromContinuingOperations
1151	Basic loss for common and investment shares from discontinued operations	Concept (Share)	For Period		ifrs-full:BasicEarningsLossPerShareFromDiscontinuedOperations
1152	Basic profit for common and investment shares from continuing and discontinued operations	Concept (Share)	For Period		ifrs-full:BasicEarningsLossPerShare
1153	00000122 - Disclosure - Commitments and contingencies (Details)	Network	*	*	http://cementospacasmayo.com.pe/role/CommitmentsAndContingenciesDetails
1154	Disclosure of subsidiaries [table]	Table	*	*	ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesTable
1155	Subsidiaries [axis]	Axis			ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1156	Entity's total for subsidiaries [member]	Member			ifrs-full:EntitysTotalForSubsidiariesMember
1157	Cementos Selva S.A. [Member]	Member			cpac:CementosSelvaSAMember
1158	Distribuidora Norte Pacasmayo S.R.L. [Member]	Member			cpac:DistribuidoraNortePacasmayoSRLMember
1159	Empresa de Transmision Guadalupe S.A.C. [Member]	Member			cpac:EmpresaDeTransmisionGuadalupeSACMember
1160	Salmueras Sudamericanas S.A. [Member]	Member			cpac:SalmuerasSudamericanasSAMember
1161	Calizas del Norte S.A.C. [Member]	Member			cpac:CalizasDelNorteSACMember
1162	Disclosure of subsidiaries [line items]	LineItems			ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesLineItems
1163	Income tax	Concept (Text/String)	For Period		cpac:DescriptionOfIncomeTaxYear
1164	Value-added tax	Concept (Text/String)	For Period		cpac:DescriptionOfValueAddedTax
1165	00000125 - Disclosure - Commitments and contingencies (Details Narrative 1)	Network	*	*	http://cementospacasmayo.com.pe/role/CommitmentsAndContingenciesDetailsNarrative1
1166	Disclosure of contingent liabilities in business combination [table]	Table	*	*	ifrs-full:DisclosureOfContingentLiabilitiesInBusinessCombinationTable
1167	Range [Axis]	Axis			ifrs-full:RangeAxis
1168	Ranges [member]	Member			ifrs-full:RangesMember
1169	Bottom of Range [Member]	Member			ifrs-full:BottomOfRangeMember
1170	Top of Range [Member]	Member			ifrs-full:TopOfRangeMember
1171	Classes of other provisions [axis]	Axis			ifrs-full:ClassesOfProvisionsAxis
1172	Other provisions [member]	Member			ifrs-full:OtherProvisionsMember
1173	Rehabilitation Provision [Member]	Member			cpac:RehabilitationProvisionMember
1174	Classes of contingent liabilities [axis]	Axis			ifrs-full:ClassesOfContingentLiabilitiesAxis
1175	Contingent liabilities [member]	Member			ifrs-full:ContingentLiabilitiesMember
1176	Labor Claims From Former Employees [Member]	Member			ifrs-full:ContingentLiabilityArisingFromPostemploymentBenefitObligationsMember
1177	Tax contingent liability [member]	Member			ifrs-full:TaxContingentLiabilityMember
1178	Tax Administration [Member]	Member			cpac:TaxContingentLiability1Member
1179	Property Tax Assessment for Periods 2009 to 2014 [Member]	Member			cpac:PropertyTaxAssessmentForPeriods2009To2014Member
1180	Disclosure of contingent liabilities in business combination [line items]	LineItems			ifrs-full:DisclosureOfContingentLiabilitiesInBusinessCombinationLineItems
1181	Applicable tax rate	Concept (Percent)	For Period		ifrs-full:ApplicableTaxRate
1182	Applicable tax rate profit after deducting employee participation	Concept (Percent)	For Period		ifrs-full:TaxRateEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss
1183	Other provisions	Concept (Monetary)	As Of	Credit	ifrs-full:OtherProvisions
1184	Legal claim contingency	Concept (Monetary)	As Of		ifrs-full:EstimatedFinancialEffectOfContingentLiabilities
1185	00000126 - Disclosure - Material partly-owned subsidiaries (Details)	Network	*	*	http://cementospacasmayo.com.pe/role/MaterialPartly-ownedSubsidiariesDetails
1186	Disclosure of subsidiaries [table]	Table	*	*	ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesTable
1187	Subsidiaries [axis]	Axis			ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1188	Entity's total for subsidiaries [member]	Member			ifrs-full:EntitysTotalForSubsidiariesMember
1189	Fosfatos del Pacifico S.A. [Member]	Member			cpac:FosfatosDelPacificoSAMember
1190	Salmueras Sudamericanas S.A. [Member]	Member			cpac:SalmuerasSudamericanasSAMember
1191	Disclosure of subsidiaries [line items]	LineItems			ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesLineItems
1192	Proportion of equity interest held by non-controlling interests	Concept (Percent)	For Period		ifrs-full:ProportionOfOwnershipInterestsHeldByNoncontrollingInterests
1193	Accumulated balances of material non-controlling interest	Concept (Monetary)	As Of	Credit	ifrs-full:NoncontrollingInterests
1194	Loss allocated to material non-controlling interest	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossAttributableToNoncontrollingInterests
1195	00000127 - Disclosure - Material partly-owned subsidiaries (Details 1)	Network	*	*	http://cementospacasmayo.com.pe/role/MaterialPartly-ownedSubsidiariesDetails1
1196	Disclosure of subsidiaries [table]	Table	*	*	ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesTable
1197	Subsidiaries [axis]	Axis			ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1198	Entity's total for subsidiaries [member]	Member			ifrs-full:EntitysTotalForSubsidiariesMember
1199	Fosfatos del Pacifico S.A. [Member]	Member			cpac:FosfatosDelPacificoSAMember
1200	Salmueras Sudamericanas S.A. [Member]	Member			cpac:SalmuerasSudamericanasSAMember
1201	Disclosure of subsidiaries [line items]	LineItems			ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesLineItems
1202	Sales of goods	Concept (Monetary)	For Period	Debit	cpac:SalesOfGoods
1203	Cost of sales	Concept (Monetary)	For Period	Debit	ifrs-full:CostOfSales
1204	Administrative expenses	Concept (Monetary)	For Period	Debit	ifrs-full:AdministrativeExpense
1205	Other income (expenses)	Concept (Monetary)	For Period	Debit	ifrs-full:OtherExpenseByFunction
1206	Finance (expense) income	Concept (Monetary)	For Period	Credit	ifrs-full:FinanceIncomeCost
1207	Profit before income tax	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossBeforeTax
1208	Income tax expense	Concept (Monetary)	For Period	Debit	ifrs-full:IncomeTaxExpenseContinuingOperations
1209	Total comprehensive loss	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncome
1210	Attributable to non-controlling interest	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossAttributableToNoncontrollingInterests
1211	00000128 - Disclosure - Material partly-owned subsidiaries (Details 2)	Network	*	*	http://cementospacasmayo.com.pe/role/MaterialPartly-ownedSubsidiariesDetails2
1212	Disclosure of subsidiaries [table]	Table	*	*	ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesTable
1213	Subsidiaries [axis]	Axis			ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1214	Entity's total for subsidiaries [member]	Member			ifrs-full:EntitysTotalForSubsidiariesMember
1215	Fosfatos del Pacifico S.A. [Member]	Member			cpac:FosfatosDelPacificoSAMember
1216	Salmueras Sudamericanas S.A. [Member]	Member			cpac:SalmuerasSudamericanasSAMember
1217	Disclosure of subsidiaries [line items]	LineItems			ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesLineItems
1218	Cash, inventories and other current assets	Concept (Monetary)	As Of	Debit	cpac:CashInventoriesAndOtherCurrentAssets
1219	Other receivables, property, plant and equipment and other non-current assets	Concept (Monetary)	As Of	Debit	cpac:OtherReceivablesPropertyPlantAndEquipmentAndOtherNonCurrentAssets
1220	Trade and other payables current	Concept (Monetary)	As Of	Credit	cpac:TradeAndOtherPayablesCurrent
1221	Total equity	Concept (Monetary)	As Of	Credit	ifrs-full:Equity
1222	Attributable to:	Abstract			cpac:AttributableToNonControllingInterestAbstract
1223	Equity holders of parent	Concept (Monetary)	As Of	Credit	ifrs-full:EquityAttributableToOwnersOfParent
1224	Non-controlling interest	Concept (Monetary)	As Of	Credit	ifrs-full:NoncontrollingInterests
1225	00000129 - Disclosure - Material partly-owned subsidiaries (Details 3)	Network	*	*	http://cementospacasmayo.com.pe/role/MaterialPartly-ownedSubsidiariesDetails3
1226	Disclosure of subsidiaries [table]	Table	*	*	ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesTable
1227	Subsidiaries [axis]	Axis			ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1228	Entity's total for subsidiaries [member]	Member			ifrs-full:EntitysTotalForSubsidiariesMember
1229	Fosfatos del Pacifico S.A. [Member]	Member			cpac:FosfatosDelPacificoSAMember
1230	Salmueras Sudamericanas S.A. [Member]	Member			cpac:SalmuerasSudamericanasSAMember
1231	Disclosure of subsidiaries [line items]	LineItems			ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesLineItems
1232	Net cash flows used in operating activities	Concept (Monetary)	For Period		ifrs-full:CashFlowsFromUsedInOperatingActivities
1233	Net cash flows (used in) provided from investing activities	Concept (Monetary)	For Period	Debit	ifrs-full:CashFlowsFromUsedInInvestingActivities
1234	Net cash flows provided from financing activities	Concept (Monetary)	For Period	Debit	ifrs-full:CashFlowsFromUsedInFinancingActivities
1235	Net (decrease) increase in cash and cash equivalents	Concept (Monetary)	For Period	Debit	ifrs-full:IncreaseDecreaseInCashAndCashEquivalents
1236	00000130 - Disclosure - Financial risk management, objectives and policies (Details)	Network	*	*	http://cementospacasmayo.com.pe/role/FinancialRiskManagementObjectivesAndPoliciesDetails
1237	Disclosure of risk management strategy related to hedge accounting [table]	Table	*	*	ifrs-full:DisclosureOfRiskManagementStrategyRelatedToHedgeAccountingTable
1238	Range [Axis]	Axis			ifrs-full:RangeAxis
1239	Ranges [member]	Member			ifrs-full:RangesMember
1240	Change in exchange rate +5 [Member]	Member			cpac:ChangeInExchangeRatePlusFiveMember
1241	Change in exchange rate +10 [Member]	Member			cpac:ChangeInExchangeRatePlusTenMember
1242	Change in exchange rate -5 [Member]	Member			cpac:ChangeInExchangeRateMinusFiveMember
1243	Change in exchange rate -10 [Member]	Member			cpac:ChangeInExchangeRateMinusTenMember
1244	Types of risks [Axis]	Axis			ifrs-full:TypesOfRisksAxis
1245	Risks [member]	Member			ifrs-full:TypesOfRisksMember
1246	Foreign Currency Risk [Member]	Member			ifrs-full:CurrencyRiskMember
1247	Disclosure of risk management strategy related to hedge accounting [line items]	LineItems			ifrs-full:DisclosureOfRiskManagementStrategyRelatedToHedgeAccountingLineItems
1248	Effect on profit before tax	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossBeforeTax
1249	00000131 - Disclosure - Financial risk management, objectives and policies (Details 1)	Network	*	*	http://cementospacasmayo.com.pe/role/FinancialRiskManagementObjectivesAndPoliciesDetails1
1250	Disclosure of risk management strategy related to hedge accounting [table]	Table	*	*	ifrs-full:DisclosureOfRiskManagementStrategyRelatedToHedgeAccountingTable
1251	Range [Axis]	Axis			ifrs-full:RangeAxis
1252	Ranges [member]	Member			ifrs-full:RangesMember
1253	Change in year-end price +10 [Member]	Member			cpac:ChangeInYearEndPricePlusTenMember
1254	Change in year-end price -10 [Member]	Member			cpac:ChangeInYearEndPriceMinusTenMember
1255	Types of risks [Axis]	Axis			ifrs-full:TypesOfRisksAxis
1256	Risks [member]	Member			ifrs-full:TypesOfRisksMember
1257	Commodity Price Risk [Member]	Member			ifrs-full:CommodityPriceRiskMember
1258	Disclosure of risk management strategy related to hedge accounting [line items]	LineItems			ifrs-full:DisclosureOfRiskManagementStrategyRelatedToHedgeAccountingLineItems
1259	Effect on profit before tax	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossBeforeTax
1260	00000132 - Disclosure - Financial risk management, objectives and policies (Details 2)	Network	*	*	http://cementospacasmayo.com.pe/role/FinancialRiskManagementObjectivesAndPoliciesDetails2
1261	Disclosure of financial liabilities [table]	Table	*	*	ifrs-full:DisclosureOfFinancialLiabilitiesTable
1262	Maturity [axis]	Axis			ifrs-full:MaturityAxis
1263	Aggregated time bands [member]	Member			ifrs-full:AggregatedTimeBandsMember
1264	Not later than one month [Member]	Member			ifrs-full:NotLaterThanOneMonthMember
1265	Not later than three months [Member]	Member			ifrs-full:NotLaterThanThreeMonthsMember
1266	Not later than one year [member]	Member			ifrs-full:NotLaterThanOneYearMember
1267	Later than one year and not later than five years [Member]	Member			ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember
1268	Later than five years [Member]	Member			ifrs-full:LaterThanFiveYearsMember
1269	Categories of financial liabilities [axis]	Axis			ifrs-full:CategoriesOfFinancialLiabilitiesAxis
1270	Financial liabilities, category [member]	Member			ifrs-full:FinancialLiabilitiesCategoryMember
1271	Interest [Member]	Member			cpac:InterestsMember
1272	Interest-bearing loans adjusted by hedge [Member]	Member			cpac:LongTermDebtsMember
1273	Hedge Finance Cost Payable [Member]	Member			cpac:HedgeFinanceCostPayableMember
1274	Trade and Other Payables [Member]	Member			cpac:TradeAndOtherPayablesMember
1275	Energy Supply [Member]	Member			cpac:EnergySupplyMember
1276	Disclosure of financial liabilities [line items]	LineItems			ifrs-full:DisclosureOfFinancialLiabilitiesLineItems
1277	Maturity of financial liabilities	Concept (Monetary)	As Of	Debit	cpac:DerivativeFinancialLiabilitiesUndiscountedPayments
1278	00000133 - Disclosure - Financial risk management, objectives and policies (Details 3)	Network	*	*	http://cementospacasmayo.com.pe/role/FinancialRiskManagementObjectivesAndPoliciesDetails3
1279	Disclosure of financial liabilities [table]	Table	*	*	ifrs-full:DisclosureOfFinancialLiabilitiesTable
1280	Categories of financial liabilities [axis]	Axis			ifrs-full:CategoriesOfFinancialLiabilitiesAxis
1281	Financial liabilities, category [member]	Member			ifrs-full:FinancialLiabilitiesCategoryMember
1282	Inflows [Member]	Member			cpac:InflowsMember
1283	Outflows [Member]	Member			cpac:OutflowsMember
1284	Maturity [axis]	Axis			ifrs-full:MaturityAxis
1285	Aggregated time bands [member]	Member			ifrs-full:AggregatedTimeBandsMember
1286	Not later than one month [Member]	Member			ifrs-full:NotLaterThanOneMonthMember
1287	Not later than three months [Member]	Member			ifrs-full:NotLaterThanThreeMonthsMember
1288	Not later than one year [member]	Member			ifrs-full:NotLaterThanOneYearMember
1289	Later than one year and not later than five years [Member]	Member			ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember
1290	Later than five years [Member]	Member			ifrs-full:LaterThanFiveYearsMember
1291	Disclosure of financial liabilities [line items]	LineItems			ifrs-full:DisclosureOfFinancialLiabilitiesLineItems
1292	Net	Concept (Monetary)	As Of	Credit	ifrs-full:DerivativeFinancialLiabilitiesUndiscountedCashFlows
1293	Discounted at the applicable interbank rates	Concept (Monetary)	As Of	Debit	ifrs-full:DerivativeFinancialAssets
1294	00000135 - Disclosure - Financial risk management, objectives and policies (Details Narrative)	Network	*	*	http://cementospacasmayo.com.pe/role/FinancialRiskManagementObjectivesAndPoliciesDetailsNarrative
1295	Disclosure of financial assets [table]	Table	*	*	ifrs-full:DisclosureOfFinancialAssetsTable
1296	Customer [Axis]	Axis			ifrs-full:MajorCustomersAxis
1297	Customers [member]	Member			ifrs-full:MajorCustomersMember
1298	Customer 6 [Member]	Member			cpac:Customer6Member
1299	Customer 3 [Member]	Member			cpac:Customer3Member
1300	Customer 25 [Member]	Member			cpac:Customer25Member
1301	Customer 27 [Member]	Member			cpac:Customer27Member
1302	Classes of financial assets [Axis]	Axis			ifrs-full:ClassesOfFinancialAssetsAxis
1303	Financial assets, class [member]	Member			ifrs-full:FinancialAssetsMember
1304	Trade receivables [Member]	Member			ifrs-full:TradeReceivablesMember
1305	Disclosure of financial assets [line items]	LineItems			ifrs-full:DisclosureOfFinancialAssetsLineItems
1306	Total financial instruments at fair value	Concept (Monetary)	As Of	Debit	ifrs-full:FinancialAssetsAtFairValue
1307	Description of market index impact	Concept (Text/String)	For Period		cpac:DescriptionOfMarketIndexImpact
1308	Number of customer	Concept (Integer)	For Period		cpac:NumberOfCustomer
1309	Revenue	Concept (Monetary)	For Period	Credit	ifrs-full:Revenue
1310	Percentage of entity's	Concept (Percent)	For Period		ifrs-full:PercentageOfEntitysRevenue
1311	00000136 - Disclosure - Financial assets and financial liabilities (Details)	Network	*	*	http://cementospacasmayo.com.pe/role/FinancialAssetsAndFinancialLiabilitiesDetails
1312	Disclosure of financial assets [table]	Table	*	*	ifrs-full:DisclosureOfFinancialAssetsTable
1313	Types of hedges [axis]	Axis			ifrs-full:TypesOfHedgesAxis
1314	Hedges [member]	Member			ifrs-full:TypesOfHedgesMember
1315	Cash Flow Hedges [Member]	Member			ifrs-full:CashFlowHedgesMember
1316	Classes of financial assets [Axis]	Axis			ifrs-full:ClassesOfFinancialAssetsAxis
1317	Financial assets, class [member]	Member			ifrs-full:FinancialAssetsMember
1318	Currency swap contract [Member]	Member			ifrs-full:CurrencySwapContractMember
1319	Quoted Equity Shares [Member]	Member			cpac:QuotedEquitySharesMember
1320	Financial Assets Available-for-Sale, Category [Member]	Member			ifrs-full:FinancialAssetsAvailableforsaleCategoryMember
1321	Disclosure of financial assets [line items]	LineItems			ifrs-full:DisclosureOfFinancialAssetsLineItems
1322	Derivative financial instruments - Cross currency swaps	Concept (Monetary)	As Of	Debit	ifrs-full:DerivativeFinancialAssets
1323	Total financial instruments at fair value	Concept (Monetary)	As Of	Debit	ifrs-full:FinancialAssetsAtFairValue
1324	Total current	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentFinancialAssets
1325	Total non-current	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentFinancialAssets
1326	Financial assets	Concept (Monetary)	As Of	Debit	ifrs-full:FinancialAssets
1327	00000137 - Disclosure - Financial assets and financial liabilities (Details 1)	Network	*	*	http://cementospacasmayo.com.pe/role/FinancialAssetsAndFinancialLiabilitiesDetails1
1328	Disclosure of financial assets [table]	Table	*	*	ifrs-full:DisclosureOfFinancialAssetsTable
1329	Hedging instruments [Axis]	Axis			ifrs-full:HedgingInstrumentsAxis
1330	Hedging instruments [member]	Member			ifrs-full:HedgingInstrumentsMember
1331	Hedging instruments [Member]	Member			cpac:HedgingInstruments1Member
1332	Classes of financial assets [Axis]	Axis			ifrs-full:ClassesOfFinancialAssetsAxis
1333	Financial assets, class [member]	Member			ifrs-full:FinancialAssetsMember
1334	Currency swap contract [Member]	Member			ifrs-full:CurrencySwapContractMember
1335	Disclosure of financial assets [line items]	LineItems			ifrs-full:DisclosureOfFinancialAssetsLineItems
1336	Financial assets	Concept (Monetary)	As Of	Debit	ifrs-full:FinancialAssets
1337	Financial liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:FinancialLiabilities
1338	00000138 - Disclosure - Financial assets and financial liabilities (Details 2)	Network	*	*	http://cementospacasmayo.com.pe/role/FinancialAssetsAndFinancialLiabilitiesDetails2
1339	Disclosure of fair value measurement of assets [table]	Table	*	*	ifrs-full:DisclosureOfFairValueMeasurementOfAssetsTable
1340	Measurement [axis]	Axis			ifrs-full:MeasurementAxis
1341	Aggregated measurement [member]	Member			ifrs-full:AggregatedMeasurementMember
1342	Fair Value [Member]	Member			ifrs-full:AtFairValueMember
1343	Carrying Amount [Member]	Member			ifrs-full:NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember
1344	Borrowings by name [axis]	Axis			ifrs-full:BorrowingsByNameAxis
1345	Borrowings by name [member]	Member			ifrs-full:BorrowingsByNameMember
1346	Senior Notes [Member]	Member			cpac:SeniorNotes1Member
1347	Disclosure of fair value measurement of assets [line items]	LineItems			ifrs-full:DisclosureOfFairValueMeasurementOfAssetsLineItems
1348	Derivative financial instruments - Cross currency swaps	Concept (Monetary)	As Of	Debit	ifrs-full:DerivativeFinancialAssets
1349	Available-for-sale financial investments	Concept (Monetary)	As Of	Debit	ifrs-full:FinancialAssetsAtFairValue
1350	Total financial assets - non-current	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentFinancialAssets
1351	Total financial liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:FinancialLiabilities
1352	00000139 - Disclosure - Financial assets and financial liabilities (Details 3)	Network	*	*	http://cementospacasmayo.com.pe/role/FinancialAssetsAndFinancialLiabilitiesDetails3
1353	Disclosure of fair value measurement of assets [table]	Table	*	*	ifrs-full:DisclosureOfFairValueMeasurementOfAssetsTable
1354	Levels of fair value hierarchy [Axis]	Axis			ifrs-full:LevelsOfFairValueHierarchyAxis
1355	All levels of fair value hierarchy [member]	Member			ifrs-full:AllLevelsOfFairValueHierarchyMember
1356	Level 1 [Member]	Member			ifrs-full:Level1OfFairValueHierarchyMember
1357	(Level 2) [Member]	Member			ifrs-full:Level2OfFairValueHierarchyMember
1358	(Level 3) [Member]	Member			ifrs-full:Level3OfFairValueHierarchyMember
1359	Classes of financial assets [Axis]	Axis			ifrs-full:ClassesOfFinancialAssetsAxis
1360	Financial assets, class [member]	Member			ifrs-full:FinancialAssetsMember
1361	Currency swap contract [Member]	Member			ifrs-full:CurrencySwapContractMember
1362	Quoted Equity Shares [Member]	Member			cpac:QuotedEquitySharesMember
1363	Borrowings by name [axis]	Axis			ifrs-full:BorrowingsByNameAxis
1364	Borrowings by name [member]	Member			ifrs-full:BorrowingsByNameMember
1365	Senior Notes [Member]	Member			cpac:SeniorNotes1Member
1366	Disclosure of fair value measurement of assets [line items]	LineItems			ifrs-full:DisclosureOfFairValueMeasurementOfAssetsLineItems
1367	Derivative financial instruments - Cross currency swaps	Concept (Monetary)	As Of	Debit	ifrs-full:DerivativeFinancialAssets
1368	Quoted equity shares	Concept (Monetary)	As Of	Debit	ifrs-full:FinancialAssetsAtFairValue
1369	Financial assets	Concept (Monetary)	As Of	Debit	ifrs-full:FinancialAssets
1370	Senior Notes	Concept (Monetary)	As Of	Credit	ifrs-full:DerivativeFinancialLiabilities
1371	Total financial liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:DerivativeFinancialLiabilities
1372	00000140 - Disclosure - Financial assets and financial liabilities (Details Narrative)	Network	*	*	http://cementospacasmayo.com.pe/role/FinancialAssetsAndFinancialLiabilitiesDetailsNarrative
1373	Disclosure of financial assets [table]	Table	*	*	ifrs-full:DisclosureOfFinancialAssetsTable
1374	Classes of financial assets [Axis]	Axis			ifrs-full:ClassesOfFinancialAssetsAxis
1375	Financial assets, class [member]	Member			ifrs-full:FinancialAssetsMember
1376	Currency swap contract [Member]	Member			ifrs-full:CurrencySwapContractMember
1377	Borrowings by name [axis]	Axis			ifrs-full:BorrowingsByNameAxis
1378	Borrowings by name [member]	Member			ifrs-full:BorrowingsByNameMember
1379	Senior Notes [Member]	Member			cpac:SeniorNotes1Member
1380	Hedging instruments [Axis]	Axis			ifrs-full:HedgingInstrumentsAxis
1381	Hedging instruments [member]	Member			ifrs-full:HedgingInstrumentsMember
1382	Hedging instruments [Member]	Member			cpac:HedgingInstruments1Member
1383	Currency [Axis]	Axis			us-gaap:CurrencyAxis
1384	All Currencies [Domain]	Member			currency:AllCurrenciesDomain
1385	USD	Member			currency:USD
1386	Disclosure of financial assets [line items]	LineItems			ifrs-full:DisclosureOfFinancialAssetsLineItems
1387	Notional amount	Concept (Monetary)	As Of		ifrs-full:NotionalAmount
1388	Gains (loss) and losses on derivatives held as cash flow hedges	Concept (Monetary)	For Period	Credit	ifrs-full:GainsLossesOnCashFlowHedgesBeforeTax
1389	00000141 - Disclosure - Segment information (Details)	Network	*	*	http://cementospacasmayo.com.pe/role/SegmentInformationDetails
1390	Disclosure of disaggregation of revenue from contracts with customers [table]	Table	*	*	ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable
1391	Products and services [axis]	Axis			ifrs-full:ProductsAndServicesAxis
1392	Products and services [member]	Member			ifrs-full:ProductsAndServicesMember
1393	Cement, concrete and blocks [Member]	Member			cpac:CementConcreteAndBlocksMember
1394	Construction supplies [Member]	Member			cpac:ConstructionSuppliesMember
1395	Quicklime [Member]	Member			cpac:QuicklimeMember
1396	Other [Member]	Member			cpac:OtherMember
1397	Disclosure of disaggregation of revenue from contracts with customers [line items]	LineItems			ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems
1398	Revenues from external customers	Concept (Monetary)	For Period	Credit	ifrs-full:Revenue
1399	Gross profit margin	Concept (Monetary)	For Period	Credit	ifrs-full:GrossProfit
1400	Other operating income, net	Concept (Monetary)	For Period	Credit	ifrs-full:OtherIncome
1401	Administrative expenses	Concept (Monetary)	For Period	Debit	ifrs-full:AdministrativeExpense
1402	Selling and distribution expenses	Concept (Monetary)	For Period	Debit	ifrs-full:DistributionCosts
1403	Impairment on brine project	Concept (Monetary)	For Period	Debit	cpac:ImpairmentOnBrineProject
1404	Finance costs	Concept (Monetary)	For Period	Debit	ifrs-full:FinanceCosts
1405	Finance income	Concept (Monetary)	For Period	Credit	ifrs-full:FinanceIncome
1406	(Loss) gain from exchange difference, net	Concept (Monetary)	For Period	Credit	ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss
1407	Profit before income tax	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossBeforeTax
1408	Income tax expense	Concept (Monetary)	For Period	Debit	ifrs-full:IncomeTaxExpenseContinuingOperations
1409	Net income from continuing operations	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossFromContinuingOperations
1410	Loss for the year from discontinued operations	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossFromDiscontinuedOperations
1411	Profit for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
1412	00000142 - Disclosure - Segment information (Details 1)	Network	*	*	http://cementospacasmayo.com.pe/role/SegmentInformationDetails1
1413	Disclosure of disaggregation of revenue from contracts with customers [table]	Table	*	*	ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable
1414	Products and services [axis]	Axis			ifrs-full:ProductsAndServicesAxis
1415	Products and services [member]	Member			ifrs-full:ProductsAndServicesMember
1416	Cement, concrete and blocks [Member]	Member			cpac:CementConcreteAndBlocksMember
1417	Construction supplies [Member]	Member			cpac:ConstructionSuppliesMember
1418	Quicklime [Member]	Member			cpac:QuicklimeMember
1419	Other [Member]	Member			cpac:OtherMember
1420	Disclosure of disaggregation of revenue from contracts with customers [line items]	LineItems			ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems
1421	Segment assets	Concept (Monetary)	As Of	Debit	cpac:SegmentAssets
1422	Other assets	Concept (Monetary)	As Of	Debit	ifrs-full:OtherAssets
1423	Assets held for distribution	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForDistributionToOwners
1424	Total assets	Concept (Monetary)	As Of	Debit	ifrs-full:Assets
1425	Operating liabilities	Concept (Monetary)	As Of	Credit	cpac:OperatingLiabilities
1426	Liabilities held for distribution	Concept (Monetary)	As Of	Credit	ifrs-full:LiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale
1427	Total liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:Liabilities
1428	Capital expenditure	Concept (Monetary)	For Period	Credit	ifrs-full:PaymentsForDevelopmentProjectExpenditure
1429	Depreciation and amortization	Concept (Monetary)	For Period	Debit	ifrs-full:DepreciationExpense
1430	Provision of inventory net realizable value and obsolescence	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossInventories
1431	00000143 - Disclosure - Segment information (Details Narrative)	Network	*	*	http://cementospacasmayo.com.pe/role/SegmentInformationDetailsNarrative
1432	Disclosure of major customers [table]	Table	*	*	ifrs-full:DisclosureOfMajorCustomersTable
1433	Products and services [axis]	Axis			ifrs-full:ProductsAndServicesAxis
1434	Products and services [member]	Member			ifrs-full:ProductsAndServicesMember
1435	Quicklime [Member]	Member			cpac:QuicklimeMember
1436	Customer [Axis]	Axis			ifrs-full:MajorCustomersAxis
1437	Customers [member]	Member			ifrs-full:MajorCustomersMember
1438	Two Customers [Member]	Member			cpac:TwoCustomersMember
1439	One Customer [Member]	Member			cpac:OneCustomerMember
1440	Disclosure of major customers [line items]	LineItems			ifrs-full:DisclosureOfMajorCustomersLineItems
1441	Revenue	Concept (Monetary)	For Period	Credit	ifrs-full:Revenue
1442	Capital expenditures	Concept (Monetary)	For Period	Credit	ifrs-full:PaymentsForDevelopmentProjectExpenditure
1443	Total financial instruments at fair value	Concept (Monetary)	As Of	Debit	ifrs-full:FinancialAssetsAtFairValue
1444	Derivative financial instruments	Concept (Monetary)	As Of	Debit	ifrs-full:DerivativeFinancialAssets