InterXion Holding N.V. (SEC Filing Page | XBRL Cloud Viewer | XBRL Instance)

Line Label Object Class Period Type Balance Report ElementName
1 1001 - Document - Document and Entity Information Network

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3 Document - Document and Entity Information [Abstract] Abstract inxn:DocumentandEntityInformationAbstract
4 Document Type Concept (Submission Type) For Period dei:DocumentType
5 Amendment Flag Concept (Yes/No) For Period dei:AmendmentFlag
6 Document Period End Date Concept (Date) For Period dei:DocumentPeriodEndDate
7 Document Fiscal Year Focus Concept (Year) For Period dei:DocumentFiscalYearFocus
8 Document Fiscal Period Focus Concept (Fiscal Period) For Period dei:DocumentFiscalPeriodFocus
9 Trading Symbol Concept (Text/String) For Period dei:TradingSymbol
10 Entity Registrant Name Concept (Text/String) For Period dei:EntityRegistrantName
11 Entity Central Index Key Concept (CIK Number) For Period dei:EntityCentralIndexKey
12 Current Fiscal Year End Date Concept (Month/Day) For Period dei:CurrentFiscalYearEndDate
13 Entity Well-known Seasoned Issuer Concept (Yes/No) For Period dei:EntityWellKnownSeasonedIssuer
14 Entity Current Reporting Status Concept (Yes/No) For Period dei:EntityCurrentReportingStatus
15 Entity Filer Category Concept (Filer Category) For Period dei:EntityFilerCategory
16 Entity Common Stock, Shares Outstanding Concept (Shares) As Of dei:EntityCommonStockSharesOutstanding
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18 Implied Table Table

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19 Profit or loss [abstract] Abstract ifrs-full:IncomeStatementAbstract
20 Revenues Concept (Monetary) For Period Credit ifrs-full:Revenue
21 Cost of sales Concept (Monetary) For Period Debit ifrs-full:CostOfSales
22 Gross profit Concept (Monetary) For Period Credit ifrs-full:GrossProfit
23 Other income Concept (Monetary) For Period Credit ifrs-full:OtherIncome
24 Sales and marketing costs Concept (Monetary) For Period Debit ifrs-full:SalesAndMarketingExpense
25 General and administrative costs Concept (Monetary) For Period Debit ifrs-full:AdministrativeExpense
26 Operating income Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromOperatingActivities
27 Finance income Concept (Monetary) For Period Credit ifrs-full:FinanceIncome
28 Finance expense Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
29 Profit before taxation Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
30 Income tax expense Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
31 Net income Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
32 Earnings per share attributable to shareholders: Abstract ifrs-full:EarningsPerShareAbstract
33 Basic earnings per share: (€) Concept (Share) For Period ifrs-full:BasicEarningsLossPerShareFromContinuingOperations
34 Diluted earnings per share: (€) Concept (Share) For Period ifrs-full:DilutedEarningsLossPerShareFromContinuingOperations
35 1004 - Statement - Consolidated Statements of Comprehensive Income Network

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36 Implied Table Table

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37 Comprehensive income [abstract] Abstract ifrs-full:ComprehensiveIncomeAbstract
38 Consolidated statements of comprehensive income [abstract] Abstract ifrs-full:StatementOfComprehensiveIncomeAbstract
39 Net income Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
40 Other comprehensive income Abstract ifrs-full:OtherComprehensiveIncomeAbstract
41 Items that are, or may be, reclassified subsequently to profit or loss Abstract ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTaxAbstract
42 Foreign currency translation differences Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationBeforeTax
43 Effective portion of changes in fair value of cash flow hedge Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnCashFlowHedgesBeforeTax
44 Tax on items that are, or may be, reclassified subsequently to profit or loss Abstract ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossAbstract
45 Foreign currency translation differences Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToExchangeDifferencesOnTranslationOfOtherComprehensiveIncome
46 Effective portion of changes in fair value of cash flow hedge Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome
47 Other comprehensive income/(loss), net of tax Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
48 Total comprehensive income attributable to shareholders Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent
49 1005 - Statement - Consolidated Statements of Financial Position Network

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50 Implied Table Table

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51 Statement of financial position [abstract] Abstract ifrs-full:StatementOfFinancialPositionAbstract
52 Non-current assets Abstract ifrs-full:NoncurrentAssetsAbstract
53 Property, plant and equipment Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
54 Intangible assets Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
55 Goodwill Concept (Monetary) As Of Debit ifrs-full:Goodwill
56 Deferred tax assets Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
57 Other investments Concept (Monetary) As Of Debit ifrs-full:NoncurrentFinancialAssetsAvailableforsale
58 Other non-current assets Concept (Monetary) As Of Debit ifrs-full:OtherNoncurrentAssets
59 Non-current assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssets
60 Current assets Abstract ifrs-full:CurrentAssetsAbstract
61 Trade and other current assets Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherCurrentReceivables
62 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
63 Current assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
64 Total assets Concept (Monetary) As Of Debit ifrs-full:Assets
65 Shareholders' equity Abstract ifrs-full:EquityAbstract
66 Share capital Concept (Monetary) As Of Credit ifrs-full:IssuedCapital
67 Share premium Concept (Monetary) As Of Credit ifrs-full:SharePremium
68 Foreign currency translation reserve Concept (Monetary) As Of Credit ifrs-full:ReserveOfExchangeDifferencesOnTranslation
69 Hedging reserve, net of tax Concept (Monetary) As Of Credit ifrs-full:ReserveOfCashFlowHedges
70 Accumulated profit / (deficit) Concept (Monetary) As Of Credit ifrs-full:AccumulatedOtherComprehensiveIncome
71 Shareholders' equity Concept (Monetary) As Of Credit ifrs-full:Equity
72 Non-current liabilities Abstract ifrs-full:NoncurrentLiabilitiesAbstract
73 Other non-current liabilities Concept (Monetary) As Of Credit ifrs-full:OtherNoncurrentLiabilities
74 Deferred tax liability Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
75 Borrowings Concept (Monetary) As Of Credit ifrs-full:LongtermBorrowings
76 Non-current liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentLiabilities
77 Current liabilities Abstract ifrs-full:CurrentLiabilitiesAbstract
78 Trade payables and other liabilities Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherPayables
79 Income tax liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentTaxLiabilitiesCurrent
80 Provision for onerous lease contracts Concept (Monetary) As Of Credit ifrs-full:ShorttermOnerousContractsProvision
81 Borrowings Concept (Monetary) As Of Credit ifrs-full:ShorttermBorrowings
82 Current liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
83 Total liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
84 Total liabilities and shareholders' equity Concept (Monetary) As Of Credit ifrs-full:EquityAndLiabilities
85 1006 - Statement - Consolidated Statements of Changes in Shareholders Equity Network

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86 Statement of changes in equity [table] Table

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 ifrs-full:StatementOfChangesInEquityTable
87 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
88 Equity [member] Member ifrs-full:EquityMember
89 Share capital [member] Member ifrs-full:IssuedCapitalMember
90 Share premium [member] Member ifrs-full:SharePremiumMember
91 Foreign currency translation reserve [member] Member ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember
92 Hedging Reserve [member] Member ifrs-full:ReserveOfCashFlowHedgesMember
93 Accumulated profit/(deficit) [member] Member ifrs-full:AccumulatedOtherComprehensiveIncomeMember
94 Retrospective application and retrospective restatement [axis] Axis ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
95 Currently stated [member] Member ifrs-full:RestatedMember
96 Previously stated [member] Member ifrs-full:PreviouslyStatedMember
97 Increase (decrease) due to corrections of prior period errors [member] Member ifrs-full:FinancialEffectOfCorrectionsOfAccountingErrorsMember
98 Statement of changes in equity [line items] LineItems ifrs-full:StatementOfChangesInEquityLineItems
99 Beginning balance Concept (Monetary) As Of Credit ifrs-full:Equity
100 Net income Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
101 Hedging result, net of tax Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnCashFlowHedgesNetOfTax
102 Other comprehensive income/(loss), net of tax Concept (Monetary) For Period Credit inxn:OtherComprehensiveIncomeLessCashFlowHedgesNetOfTax
103 Total comprehensive income/(loss) Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
104 Exercise of options Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughExerciseOfOptions
105 Issuance of performance shares Concept (Monetary) For Period Credit inxn:IncreaseDecreaseThroughIssuanceOfPerformanceSharesAndRestrictedSharesEquity
106 Share-based payments Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions
107 Total contribution by, and distributions to, owners of the Company Concept (Monetary) For Period Credit inxn:IncreaseDecreaseThroughContributionByAndDistributionsToOwnersOfEquity
108 Ending balance Concept (Monetary) As Of Credit ifrs-full:Equity
109 1007 - Statement - Consolidated Statements of Cash Flows Network

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110 Implied Table Table

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111 Statement of cash flows [abstract] Abstract ifrs-full:StatementOfCashFlowsAbstract
112 Net income Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
113 Depreciation, amortization and impairments Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDepreciationAndAmortisationExpense
114 Provision for onerous lease contracts Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForProvisions
115 Share-based payments Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForSharebasedPayments
116 Net finance expense Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForFinanceCosts
117 Income tax expense Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForIncomeTaxExpense
118 Total adjustments to reconcile profit (loss) Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForReconcileProfitLoss
119 Movements in trade receivables and other assets Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables
120 Movements in trade payables and other liabilities Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables
121 Cash generated from operations Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperations
122 Interest and fees paid Concept (Monetary) For Period Credit ifrs-full:InterestPaidClassifiedAsOperatingActivities
123 Interest received Concept (Monetary) For Period Debit ifrs-full:InterestReceivedClassifiedAsOperatingActivities
124 Income tax paid Concept (Monetary) For Period Credit ifrs-full:IncomeTaxesPaidRefundClassifiedAsOperatingActivities
125 Net cash flow from operating activities Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperatingActivities
126 Cash flows from investing activities Abstract ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract
127 Purchase of property, plant and equipment Concept (Monetary) For Period Credit ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
128 Financial investments-deposits Concept (Monetary) For Period Debit inxn:CashFlowsFromUsedInDecreaseIncreaseInFinancialInvestmentsDeposits
129 Acquisition of Interxion Science Park Concept (Monetary) For Period Credit ifrs-full:CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities
130 Purchase of intangible assets Concept (Monetary) For Period Credit ifrs-full:PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities
131 Loans to third parties Concept (Monetary) For Period Credit ifrs-full:CashAdvancesAndLoansMadeToOtherPartiesClassifiedAsInvestingActivities
132 Proceeds from sale of financial asset Concept (Monetary) For Period Debit ifrs-full:ProceedsFromSalesOrMaturityOfFinancialInstrumentsClassifiedAsInvestingActivities
133 Redemption of short-term investments Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments
134 Net cash flow used in investing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInInvestingActivities
135 Cash flows from financing activities Abstract ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract
136 Proceeds from exercized options Concept (Monetary) For Period Debit ifrs-full:ProceedsFromExerciseOfOptions
137 Proceeds from mortgages Concept (Monetary) For Period Debit ifrs-full:ProceedsFromBorrowingsClassifiedAsFinancingActivities
138 Repayment of mortgages Concept (Monetary) For Period Credit ifrs-full:RepaymentsOfBorrowingsClassifiedAsFinancingActivities
139 Proceeds from Revolving Facilities Concept (Monetary) For Period Debit ifrs-full:ProceedsFromNoncurrentBorrowings
140 Repayment of Revolving Facilities Concept (Monetary) For Period Credit ifrs-full:RepaymentsOfNoncurrentBorrowings
141 Proceeds 6% Senior Secured Notes due 2020 Concept (Monetary) For Period Debit ifrs-full:ProceedsFromIssueOfBondsNotesAndDebentures
142 Finance lease obligation Concept (Monetary) For Period Credit ifrs-full:PaymentsOfFinanceLeaseLiabilitiesClassifiedAsFinancingActivities
143 Interest received at issuance of Additional Notes Concept (Monetary) For Period Debit inxn:InterestReceivedAtIssuanceOfAdditionalNotes
144 Net cash flows from / (used in) financing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInFinancingActivities
145 Effect of exchange rate changes on cash Concept (Monetary) For Period Debit ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents
146 Net movement in cash and cash equivalents Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInCashAndCashEquivalents
147 Cash and cash equivalents, beginning of period Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
148 Cash and cash equivalents, end of period Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
149 1008 - Statement - Consolidated Statements of Cash Flows (Parenthetical) Network

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150 Implied Table Table

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151 Statement of cash flows [abstract] Abstract ifrs-full:StatementOfCashFlowsAbstract
152 Percentage of interest on senior secured notes Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
153 Senior secured notes due Concept (Year) For Period inxn:BorrowingsMaturityYear
154 1009 - Disclosure - The Company Network

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156 Text block1 [abstract] Abstract inxn:TextBlock1Abstract
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158 1010 - Disclosure - Basis of preparation Network

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160 Text block1 [abstract] Abstract inxn:TextBlock1Abstract
161 Basis of preparation Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory
162 1011 - Disclosure - Significant accounting policies Network

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166 1012 - Disclosure - Financial risk management Network

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169 Financial risk management Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialRiskManagementExplanatory
170 1013 - Disclosure - Information by segment Network

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173 Information by segment Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOperatingSegmentsExplanatory
174 1014 - Disclosure - Revenue Network

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177 Revenue Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfRevenueExplanatory
178 1015 - Disclosure - General and administrative costs Network

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181 General and administrative costs Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfGeneralAndAdministrativeExpenseExplanatory
182 1016 - Disclosure - Employee benefit expenses Network

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184 Text block1 [abstract] Abstract inxn:TextBlock1Abstract
185 Employee benefit expenses Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEmployeeBenefitsExplanatory
186 1017 - Disclosure - Finance income and expense Network

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188 Text block1 [abstract] Abstract inxn:TextBlock1Abstract
189 Finance income and expense Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinanceIncomeExpenseExplanatory
190 1018 - Disclosure - Income taxes Network

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192 Text block1 [abstract] Abstract inxn:TextBlock1Abstract
193 Income taxes Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIncomeTaxExplanatory
194 1019 - Disclosure - Property, plant and equipment Network

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198 1020 - Disclosure - Intangible assets and goodwill Network

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201 Intangible assets and goodwill Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIntangibleAssetsAndGoodwillExplanatory
202 1021 - Disclosure - Other investments Network

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206 1022 - Disclosure - Trade and other (non-) current assets Network

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210 1023 - Disclosure - Cash and cash equivalents and short-term investments Network

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213 Cash and cash equivalents and short-term investments Concept (Text Block (HTML)) For Period inxn:DisclosureOfCashAndCashEquivalentsAndShortTermInvestmentsExplanatory
214 1024 - Disclosure - Shareholders' equity Network

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218 1025 - Disclosure - Earnings per share Network

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222 1026 - Disclosure - Trade payables and other liabilities Network

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226 1027 - Disclosure - Provision for onerous lease contracts Network

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230 1028 - Disclosure - Borrowings Network

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234 1029 - Disclosure - Financial instruments Network

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238 1030 - Disclosure - Share-based payments Network

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242 1031 - Disclosure - Business combinations Network

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246 1032 - Disclosure - Financial commitments Network

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250 1033 - Disclosure - Capital commitments Network

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254 1034 - Disclosure - Contingencies Network

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258 1035 - Disclosure - Related-party transactions Network

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262 1036 - Disclosure - Events subsequent to the balance sheet date Network

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266 1037 - Disclosure - Correction of errors Network

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270 1038 - Disclosure - Basis of preparation (Policies) Network

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274 Basis of measurement Concept (Text Block (HTML)) For Period inxn:DescriptionOfAccountingPolicyForBasisOfMeasurementExplanatory
275 IFRS basis of presentation Concept (Text Block (HTML)) For Period inxn:DescriptionOfAccountingPolicyForIFRSBasisOfPresentationExplanatory
276 Change in accounting policies Concept (Text Block (HTML)) For Period inxn:DescriptionOfAccountingPolicyForChangeInAccountingPoliciesExplanatory
277 Correction of errors Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfNatureAmountAndCorrectionOfAccountingErrorsInPriorPeriodsEstimate
278 Use of estimates and judgments Concept (Text Block (HTML)) For Period inxn:DescriptionOfAccountingPolicyForUseOfEstimatesAndJudgmentsExplanatory
279 Functional and presentation currency Concept (Text Block (HTML)) For Period inxn:DescriptionOfAccountingPolicyForFunctionalAndPresentationCurrencyExplanatory
280 Basis of consolidation Concept (Text Block (HTML)) For Period inxn:DescriptionOfAccountingPolicyForBasisOfConsolidationExplanatory
281 Foreign currency Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory
282 Borrowing costs Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForBorrowingCostsExplanatory
283 Statement of cash flows Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForCashFlowsExplanatory
284 Financial instruments Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory
285 Share capital Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForIssuedCapitalExplanatory
286 Property, plant and equipment Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory
287 Intangible assets and goodwill Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory
288 Impairment of non-financial assets Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForImpairmentOfNonfinancialAssetsExplanatory
289 Borrowings Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForBorrowingsExplanatory
290 Provisions Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForProvisionsExplanatory
291 Leases Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForLeasesExplanatory
292 Segment reporting Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForSegmentReportingExplanatory
293 Non-IFRS Financial Measures Concept (Text Block (HTML)) For Period inxn:DescriptionOfAccountingPolicyForNonIFRSFinancialMeasuresExplanatory
294 Revenue recognition Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForRecognitionOfRevenue
295 Cost of sales Concept (Text Block (HTML)) For Period inxn:DescriptionOfAccountingPolicyForCostOfSales
296 Sales and marketing costs Concept (Text Block (HTML)) For Period inxn:DescriptionOfAccountingPolicyForSellingAndMarketingExpensesExplanatory
297 General and administrative costs Concept (Text Block (HTML)) For Period inxn:DescriptionOfAccountingPolicyForGeneralAndAdministrativeExpensesExplanatory
298 Employee benefits Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory
299 Finance income and expense Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForFinanceIncomeAndCostsExplanatory
300 Income tax Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForIncomeTaxExplanatory
301 Earnings per share Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForEarningsPerShareExplanatory
302 New standards and interpretations not yet adopted Concept (Text Block (HTML)) For Period inxn:DescriptionOfAccountingPolicyForNewAccountingStandardsAndInterpretationsExplanatory
303 IFRS 9 - Financial Instruments Concept (Text Block (HTML)) For Period inxn:DescriptionOfAccountingPolicyForIFRSFinancialInstrumentsExplanatory
304 IFRS 15 - Revenue from Contracts with Customers Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForCustomerAcquisitionCostsExplanatory
305 IFRS 16 - Leases Concept (Text Block (HTML)) For Period inxn:DescriptionOfAccountingPolicyForIFRS16LeasesExplanatory
306 1039 - Disclosure - Significant accounting policies (Tables) Network

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310 Disclosure of Detailed Information about Intangible Assets Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIntangibleAssetsWithIndefiniteUsefulLifeExplanatory
311 Disclosure of Expected Impact of Initial Application of New Standards or Interpretations Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretations
312 1040 - Disclosure - Information by segment (Tables) Network

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313 Implied Table Table

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315 Entity-wide disclosures Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfGeographicalAreasExplanatory
316 Disclosure of Information by Segment Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory
317 Summary of Detailed Information about Reconciliation to Adjusted EBITDA Concept (Text Block (HTML)) For Period inxn:DisclosureOfDetailedInformationAboutReconciliationToAdjustedEbitdaExplanatory
318 1041 - Disclosure - General and administrative costs (Tables) Network

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319 Implied Table Table

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321 Summary of General and Administrative Costs Concept (Text Block (HTML)) For Period inxn:DisclosureOfDetailedInformationAboutGeneralAndAdministrativeExpenseExplanatory
322 1042 - Disclosure - Employee benefit expenses (Tables) Network

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326 Employee Benefit Expense Under Income Statement Concept (Text Block (HTML)) For Period inxn:DisclosureOfEmployeeBenefitExpensesExplanatory
327 1043 - Disclosure - Finance income and expense (Tables) Network

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328 Implied Table Table

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330 Finance Income And Expense Details Concept (Text Block (HTML)) For Period inxn:DisclosureOfFinancialIncomeAndExpensesExplanatory
331 1044 - Disclosure - Income taxes (Tables) Network

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332 Implied Table Table

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335 Summary of Reconciliation of Effective Tax Rate Concept (Text Block (HTML)) For Period inxn:DisclosureOfReconciliationOfEffectiveIncomeTaxExpenseExplanatory
336 Summary of Movement in Recognized Deferred Tax Assets Concept (Text Block (HTML)) For Period inxn:DisclosureOfRecognizedDeferredTaxAssetsExplanatory
337 Summary of Movement in Recognized Deferred Tax Liability Concept (Text Block (HTML)) For Period inxn:DisclosureOfRecognizedDeferredTaxLiabilityExplanatory
338 Details of Net Deferred Tax Assets Concept (Text Block (HTML)) For Period inxn:DisclosureOfTemporaryDifferenceForWhichNoDeferredTaxAssetRecognizedExplanatory
339 Summary of Accumulated Recognized and Unrecognized Tax Losses Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory
340 1045 - Disclosure - Property, plant and equipment (Tables) Network

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341 Implied Table Table

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343 Summary of Property, Plant and Equipment Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory
344 1046 - Disclosure - Intangible assets and goodwill (Tables) Network

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345 Implied Table Table

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347 Summary of Intangible Assets Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory
348 Summary Of Key Assumptions Used In Calculating Recoverable Amount Concept (Text Block (HTML)) For Period inxn:DisclosureOfKeyAssumptionsUsedInCalculatingRecoverableAmountExplanatory
349 1047 - Disclosure - Trade and other (non-) current assets (Tables) Network

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350 Implied Table Table

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352 Summary of Trade and Other Noncurrent Assets Concept (Text Block (HTML)) For Period inxn:DisclosureOfTradeAndOtherNonCurrentAssetsExplanatory
353 Summary of Trade and Other Current Assets Concept (Text Block (HTML)) For Period inxn:DisclosureOfTradeAndOtherCurrentAssetsExplanatory
354 1048 - Disclosure - Shareholders' equity (Tables) Network

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357 Summary of Share Capital and Share Premium Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfClassesOfShareCapitalExplanatory
358 1049 - Disclosure - Earnings per share (Tables) Network

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361 Summary of Profit Attributable to Ordinary Shareholders Concept (Text Block (HTML)) For Period ifrs-full:EarningsPerShareExplanatory
362 1050 - Disclosure - Trade payables and other liabilities (Tables) Network

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363 Implied Table Table

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365 Summary of Trade Payables and Other Liabilities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTradeAndOtherPayablesExplanatory
366 Summary of Accrued Expenses Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfAccruedExpensesAndOtherLiabilitiesExplanatory
367 1051 - Disclosure - Provision for onerous lease contracts (Tables) Network

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368 Implied Table Table

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370 Summary of Provision Calculated Based on Discounted Future Contracted Payments Net of Sublease Revenues Concept (Text Block (HTML)) For Period inxn:DisclosureOfDiscountedFutureContractedPaymentsNetOfSubleaseRevenuesExplanatory
371 1052 - Disclosure - Borrowings (Tables) Network

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372 Implied Table Table

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374 Summary of Current and Non-Current Borrowings Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsExplanatory
375 Summary of Optional Redemption Price Expressed as Percentage Concept (Text Block (HTML)) For Period inxn:DescriptionOfRedemptionOptionExplanatory
376 Summary of Reconciliation of Movements of Liabilities to Cash Flows Arising from Financing Activities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesExplanatory
377 Summary of Maturity Profile of the Gross Amounts of Senior Secured Notes and Mortgages Concept (Text Block (HTML)) For Period inxn:DisclosureOfSeniorSecuredNotesAndMortgagesExplanatory
378 Summary of Financial Lease Liabilities Relate to the Acquisition of Property,Plant and Equipment Concept (Text Block (HTML)) For Period ifrs-full:MaturityAnalysisForNonderivativeFinancialLiabilities
379 1053 - Disclosure - Financial instruments (Tables) Network

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380 Implied Table Table

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382 Schedule of Credit Risk Exposure Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfCreditRiskExposureExplanatory
383 Schedule of Credit Risk Exposure for Trade Receivables Concept (Text Block (HTML)) For Period inxn:DisclosureOfCreditRiskExposureForTradeReceivablesExplanatory
384 Schedule of Aging of Trade Receivables Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialAssetsThatAreEitherPastDueOrImpairedExplanatory
385 Schedule of Allowance for Impairment Concept (Text Block (HTML)) For Period inxn:DisclosureOfAllowanceForImpairmentExplanatory
386 Schedule of Contractual Maturities of Financial Liabilities Concept (Text Block (HTML)) For Period ifrs-full:MaturityAnalysisForDerivativeFinancialLiabilities
387 Schedule of Foreign Exchange Rates Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory
388 Schedule of Sensitivity Analysis Concept (Text Block (HTML)) For Period inxn:DisclosureOfSensitivityAnalysisExplanatory
389 Schedule of Financial Instruments by Type of Interest Rate Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialInstrumentsByTypeOfInterestRateExplanatory
390 Schedule of Financial Instruments by Type of Interest Rates Concept (Text Block (HTML)) For Period inxn:DisclosureOfForeignCurrencyExchangeExposureExplanatory
391 Schedule of Fair Value of Assets and Liabilities Concept (Text Block (HTML)) For Period inxn:DisclosureOfFairValuesAssetsAndLiabilitiesExplanatory
392 Schedule of Net Debt to Equity Ratio Concept (Text Block (HTML)) For Period inxn:DisclosureOfNetDebtToEquityRatioExplanatory
393 1054 - Disclosure - Share-based payments (Tables) Network

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394 Statement [Table] Table

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397 2011 and 2013 Option Plans [member] Member inxn:TwoThousandElevenAndTwoThousandThirteenOptionPlansMember
398 2008 Option Plan [member] Member inxn:TwoThousandEightOptionPlanMember
399 Statement [Line Items] LineItems us-gaap:StatementLineItems
400 Summary of Outstanding Options and Restricted Shares as of December 31, 2017 Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementExplanatory
401 Schedule of Number and Weighted Average Exercise Price of Share Options Outstanding Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory
402 Schedule of Number and Weighted Average Fair Value of Restricted Shares Concept (Text Block (HTML)) For Period inxn:DisclosureOfNumberAndWeightedAverageFairValueOfRestrictedSharesExplanatory
403 Schedule of Number and Weighted Average Fair Value of Performance Shares Concept (Text Block (HTML)) For Period inxn:DisclosureOfNumberAndWeightedAverageFairValueOfPerformanceSharesOutstandingExplanatory
404 Overview of Inputs Used in Black-Scholes Valuation Model Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory
405 1055 - Disclosure - Business combinations (Tables) Network

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408 Summary of Purchase Price Allocation for Acquisition Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory
409 1056 - Disclosure - Financial commitments (Tables) Network

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410 Implied Table Table

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411 Text block1 [abstract] Abstract inxn:TextBlock1Abstract
412 Summary of Future Minimum Commitments for (Non-)cancellable Operating Leases Concept (Text Block (HTML)) For Period inxn:DisclosureOfFutureMinimumCommitmentsForNonCancellableOperatingLeaseExplanatory
413 Summary of Contracts with Customers for Future Committed Revenue Receivable Concept (Text Block (HTML)) For Period inxn:DisclosureOfFutureCommittedRevenueReceivableExplanatory
414 Summary of Non-cancellable Energy Purchase Commitments Concept (Text Block (HTML)) For Period inxn:DisclosureOfCommitmentsToPurchaseEnergyExplanatory
415 1057 - Disclosure - Related-party transactions (Tables) Network

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416 Implied Table Table

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417 Text block1 [abstract] Abstract inxn:TextBlock1Abstract
418 Summary of Total Compensation of Key Management Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInformationAboutKeyManagementPersonnelExplanatory
419 Summary of Compensation of Executive Director and Non-executive Directors of the Board Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesExplanatory
420 Disclosure of Performance Achievement Measures to Determine Pay-Out of Cash Bonus Concept (Text Block (HTML)) For Period inxn:DisclosureOfPerformanceAchievementMeasuresToDeterminePayoutOfCashBonusExplanatory
421 Summary of Performance/Pay-Out Concept (Text Block (HTML)) For Period inxn:DisclosureOfPerformancePayoutExplanatory
422 Summary of Potential Compensation Pay-Outs Concept (Text Block (HTML)) For Period inxn:DisclosurePotentialCompensationPayoutsExplanatory
423 Summary of Performance Targets and Achievement Against Targets Concept (Text Block (HTML)) For Period inxn:DisclosureOfPerformanceTargetsAndAchievementAgainstTargetsExplanatory
424 Summary of Number of Performance Shares Conditionally Awarded Concept (Text Block (HTML)) For Period inxn:DisclosureOfNumberOfPerformanceSharesConditionallyAwardedExplanatory
425 Summary of TSR Performance Concept (Text Block (HTML)) For Period inxn:DisclosureOfTotalShareholderReturnPerformanceExplanatory
426 1058 - Disclosure - Correction of errors (Tables) Network

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427 Implied Table Table

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429 Summary of Consolidated Statement of Financial Position Concept (Text Block (HTML)) For Period inxn:DisclosureOfImpactOfCorrectionInConsolidatedStatementOfFinancialPositionExplanatory
430 Summary of Consolidated Income Statement and Consolidated Statement of Comprehensive Income Concept (Text Block (HTML)) For Period inxn:DisclosureOfImpactOfCorrectionInConsolidatedIncomeStatementAndConsolidatedStatementOfComprehensiveIncomeExplanatory
431 Summary of Key Management Compensation Concept (Text Block (HTML)) For Period inxn:DisclosureOfImpactOfCorrectionInKeyManagementCompensationExplanatory
432 1059 - Disclosure - Significant Accounting Policies - Disclosure of Detailed Information about Property, Plant and Equipment (Detail) Network

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433 Disclosure of detailed information about property, plant and equipment [table] Table

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438 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
439 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
440 Data center freehold land [member] Member inxn:DataCenterFreeholdLandMember
441 Data center buildings [member] Member inxn:DataCenterBuildingsMember
442 Data center infrastructure and equipment [member] Member ifrs-full:NetworkInfrastructureMember
443 Office equipment and other [member] Member ifrs-full:OfficeEquipmentMember
444 Disclosure of detailed information about property, plant and equipment [line items] LineItems ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
445 Property plant and equipment estimated useful lives Concept (Text/String) For Period ifrs-full:UsefulLivesOrDepreciationRatesPropertyPlantAndEquipment
446 Property plant and equipment estimated useful lives Concept (xbrli:durationItemType) For Period inxn:PropertyPlantAndEquipmentEstimatedUsefulLives1
447 1060 - Disclosure - Significant Accounting Policies - Disclosure of Detailed Information about Intangible Assets (Detail) Network

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448 Disclosure of detailed information about intangible assets [table] Table

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450 Ranges [member] Member ifrs-full:RangesMember
451 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
452 Top of range [member] Member ifrs-full:TopOfRangeMember
453 Classes of intangible assets other than goodwill [axis] Axis ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis
454 Intangible assets other than goodwill [member] Member ifrs-full:IntangibleAssetsOtherThanGoodwillMember
455 Power grid rights [member] Member inxn:PowerGridRightsMember
456 Software [member] Member ifrs-full:ComputerSoftwareMember
457 Other [member] Member ifrs-full:OtherIntangibleAssetsMember
458 Customer portfolio [member] Member ifrs-full:CustomerrelatedIntangibleAssetsMember
459 Disclosure of detailed information about intangible assets [line items] LineItems ifrs-full:DisclosureOfIntangibleAssetsLineItems
460 Intangible assets estimated useful life Concept (xbrli:durationItemType) For Period inxn:IntangibleAssetsEstimatedUsefulLife
461 1061 - Disclosure - Significant accounting policies - Additional Information (Detail) Network

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462 Disclosure of significant accounting policies [table] Table

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463 Range [axis] Axis ifrs-full:RangeAxis
464 Ranges [member] Member ifrs-full:RangesMember
465 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
466 Top of range [member] Member ifrs-full:TopOfRangeMember
467 Classes of intangible assets other than goodwill [axis] Axis ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis
468 Intangible assets other than goodwill [member] Member ifrs-full:IntangibleAssetsOtherThanGoodwillMember
469 Capitalised development expenditure [member] Member ifrs-full:CapitalisedDevelopmentExpenditureMember
470 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
471 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
472 Senior secured notes 6.00% due 2020 [member] Member inxn:SeniorSecuredNotesDueTwoThousandAndTwentyMember
473 Disclosure of significant accounting policies [line items] LineItems inxn:DisclosureOfSignificantAccountingPoliciesLineItems
474 Target secured term of property lease contracts Concept (xbrli:durationItemType) For Period inxn:LeaseTerm
475 Target initial lease term Concept (xbrli:durationItemType) For Period inxn:LeaseInitialTerm
476 Property lease additional terms Concept (xbrli:durationItemType) For Period inxn:ExtendedLeaseTerm
477 Big4 capital expenditure as percentage of consolidated capital expenditure Concept (Percent) For Period inxn:Big4CapexPercentageOfConsCapex
478 Borrowings interest rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
479 Current lease commitments Concept (Monetary) As Of Credit ifrs-full:CurrentLeaseLiabilities
480 1062 - Disclosure - Significant Accounting Policies - Disclosure of Expected Impact of Initial Application of New Standards or Interpretations (Detail) Network

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481 Disclosure of expected impact of initial application of new standards or interpretations [table] Table

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482 New IFRSs [axis] Axis ifrs-full:NewIFRSsAxis
483 New IFRSs [member] Member ifrs-full:NewIFRSsMember
484 Amendments to IFRS 10 and IAS 28:Sale or contribution of assets between an investor and its associate or joint venture [member] Member inxn:AmendmentsToIFRS10AndIAS28SaleOrContributionOfAssetsBetweenAnInvestorAndItsAssociateOrJointVentureMember
485 IFRS 15 - Revenue from contracts with customers [member] Member inxn:IFRS15RevenueFromContractsWithCustomersMember
486 IFRS 9 - Financial instruments [member] Member inxn:IFRS9FinancialInstrumentsMember
487 Amendments to IFRS 2: Classification and measurement of share-based payment transactions [member] Member inxn:IFRS2ClassificationAndMeasurementOfSharebasedPaymentTransactionsMember
488 IFRS 16 leases [member] Member inxn:IFRS16LeasesMember
489 Disclosure of expected impact of initial application of new standards or interpretations [line items] LineItems ifrs-full:DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsLineItems
490 New standard or amendments Concept (Text/String) For Period ifrs-full:TitleOfNewIFRS
491 Effective date Concept (Date) For Period ifrs-full:DateAsAtWhichEntityPlansToApplyNewIFRSInitially
492 Effective date description Concept (Text/String) For Period inxn:DescriptionOfDateAsAtWhichEntityPlansToApplyNewIFRSInitially
493 1063 - Disclosure - Financial risk management - Credit risk - Additional Information (Detail) Network

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494 Implied Table Table

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495 Disclosure of financial risk management [abstract] Abstract inxn:DisclosureOfFinancialRiskManagementAbstract
496 Concentrations of risk description Concept (Text/String) For Period ifrs-full:ConcentrationsOfRisk
497 Total revenue share of the Group's most significant customer Concept (Percent) For Period inxn:ConcentrationRisksPercentage
498 1064 - Disclosure - Financial risk management - Trade and other receivables - Additional Information (Detail) Network

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499 Disclosure Of Financial Risk Management [Table] Table

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500 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
501 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
502 Trade receivables [member] Member ifrs-full:TradeReceivablesMember
503 Disclosure of financial risk management [line items] LineItems inxn:DisclosureOfFinancialRiskManagementLineItems
504 Recurring revenue as percentage of Total revenue Concept (Percent) For Period inxn:RevPercentageContractedAmount
505 1065 - Disclosure - Financial risk management - Loans given - Additional Information (Detail) Network

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506 Disclosure Of Financial Risk Management [Table] Table

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507 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
508 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
509 Convertible loan [member] Member inxn:ConvertibleLoanMember
510 Legal Entity [Axis] Axis dei:LegalEntityAxis
511 Entity [Domain] Member dei:EntityDomain
512 Icolo Ltd. [member] Member inxn:IcoloLtdMember
513 Disclosure of financial risk management [line items] LineItems inxn:DisclosureOfFinancialRiskManagementLineItems
514 Loan amount Concept (Monetary) As Of Debit ifrs-full:LoansAndReceivables
515 Loans disbursed Concept (Monetary) For Period Debit inxn:LoansIssued
516 1066 - Disclosure - Financial risk management - Senior Secured Notes - Additional Information (Detail) Network

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517 Disclosure Of Financial Risk Management [Table] Table

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518 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
519 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
520 Senior secured notes 6.00% due 2020 [member] Member inxn:SeniorSecuredNotesDueTwoThousandAndTwentyMember
521 Senior Secured Notes due 2017 [member] Member inxn:SeniorSecuredNotesDueTwoThousandAndSeventeenMember
522 6% Senior Secured Notes due 2020 Additional Note [member] Member inxn:SeniorSecuredNotesDueTwoThousandAndTwentyAdditionalNoteMember
523 Range [axis] Axis ifrs-full:RangeAxis
524 Ranges [member] Member ifrs-full:RangesMember
525 Top of range [member] Member ifrs-full:TopOfRangeMember
526 Disclosure of financial risk management [line items] LineItems inxn:DisclosureOfFinancialRiskManagementLineItems
527 Senior Secured Note Concept (Monetary) As Of Credit ifrs-full:Borrowings
528 Borrowings interest rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
529 Consolidated fixed charge ratio Concept (Percent) For Period inxn:ConsolidatedFixedChargeRatio
530 Consolidated senior leverage ratio Concept (Percent) For Period inxn:ConsolidatedLeverageRatio
531 Maximum aggregate outstanding debt senior Concept (Monetary) As Of Credit inxn:SeniorSecuredNotes
532 Description of restrictive covenants Concept (Text/String) For Period inxn:DescriptionOfBorrowingsCovenants
533 Senior secured notes - net proceeds Concept (Monetary) For Period Debit ifrs-full:ProceedsFromIssueOfBondsNotesAndDebentures
534 Offering fees and expenses Concept (Monetary) For Period Debit inxn:OfferingFeesAndExpensesNet
535 Premium Concept (Decimal) As Of inxn:SeniorSecuredNotesPremiumAmount
536 1067 - Disclosure - Financial risk management - Revolving Facility Agreements - Additional Information (Detail) Network

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537 Disclosure Of Financial Risk Management [Table] Table

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 inxn:DisclosureOfFinancialRiskManagementTable
538 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
539 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
540 Revolving facility agreement [member] Member inxn:RevolvingFacilityAgreementMember
541 2013 Super Senior Revolving Facility Agreement [member] Member inxn:TwoThousandAndThirteenSuperSeniorRevolvingFacilityAgreementMember
542 Range [axis] Axis ifrs-full:RangeAxis
543 Ranges [member] Member ifrs-full:RangesMember
544 Top of range [member] Member ifrs-full:TopOfRangeMember
545 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
546 Non-adjusting events after reporting period [axis] Axis ifrs-full:NonadjustingEventsAfterReportingPeriodAxis
547 Non-adjusting events after reporting period [member] Member ifrs-full:NonadjustingEventsMember
548 Revolving facility agreement [member] Member inxn:RevolvingFacilityAgreementMember
549 Types of interest rates [axis] Axis ifrs-full:TypesOfInterestRatesAxis
550 Interest rate types [member] Member ifrs-full:InterestRateTypesMember
551 Floor rate [member] Member inxn:FloorRateMember
552 Disclosure of financial risk management [line items] LineItems inxn:DisclosureOfFinancialRiskManagementLineItems
553 Borrowings Concept (Monetary) As Of Credit ifrs-full:Borrowings
554 Extended maturity of revolving facility Concept (Text/String) For Period inxn:MaturityOfRevolvingCreditFacilities
555 Consolidated fixed charge ratio Concept (Percent) For Period inxn:ConsolidatedFixedChargeRatio
556 Consolidated senior leverage ratio Concept (Percent) For Period inxn:ConsolidatedSeniorLeverageRatio
557 Financial covenant leverage ratio Concept (Percent) For Period inxn:FinancialCovenantLeverageRatio
558 Net assets guarantor coverage percentage Concept (Percent) For Period inxn:NetAssetsGuarantorCoveragePercentage
559 1068 - Disclosure - Financial risk management - Senior Secured Revolving Facility - Additional Information (Detail) Network

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560 Disclosure Of Financial Risk Management [Table] Table

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561 Range [axis] Axis ifrs-full:RangeAxis
562 Ranges [member] Member ifrs-full:RangesMember
563 Top of range [member] Member ifrs-full:TopOfRangeMember
564 Disclosure of financial risk management [line items] LineItems inxn:DisclosureOfFinancialRiskManagementLineItems
565 Initial Maturity Concept (Text/String) For Period inxn:RevolvingCreditFacilityMaturityPeriod
566 Extension in maturity date Concept (Text/String) For Period inxn:RevolvingCreditFacilityExtendedMaturityDate
567 Revolving credit facility interest rate Concept (Text/String) For Period inxn:SeniorSecuredRevolvingFacilityInterestRate
568 Senior secured revolving facility Concept (Monetary) As Of Credit inxn:SecuredRevolvingCreditFacilityOutstandingAmount
569 Senior secured revolving facility, extended maturity date Concept (Date) For Period inxn:SeniorRevolvingCreditFacilityExtendedMaturityDate
570 1069 - Disclosure - Financial risk management - Mortgages - Additional Information (Detail) Network

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571 Disclosure Of Financial Risk Management [Table] Table

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572 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
573 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
574 Mortgages [member] Member ifrs-full:MortgagesMember
575 Types of investment property [axis] Axis ifrs-full:TypesOfInvestmentPropertyAxis
576 Investment property [member] Member ifrs-full:InvestmentPropertyMember
577 Interxion Real Estate IX N.V. [member] Member inxn:InterxionRealEstateIXNVMember
578 Interxion Real Estate I B.V. [member] Member inxn:InterxionRealEstateIBVMember
579 Interxion Real Estate I I S A R L And Interxion Real Estate I I I Sarl [member] Member inxn:InterxionRealEstateIISARLAndInterxionRealEstateIIISarlMember
580 Interxion Real Estate V.B.V. [member] Member inxn:InterxionRealEstateVBVMember
581 Interxion Real Estate VIIGmbH [member] Member inxn:InterxionRealEstateVIIGmbHMember
582 Interxion Real Estate IV B.V. [member] Member inxn:InterxionRealEstateIVBVMember
583 Range [axis] Axis ifrs-full:RangeAxis
584 Ranges [member] Member ifrs-full:RangesMember
585 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
586 Top of range [member] Member ifrs-full:TopOfRangeMember
587 Counterparties [axis] Axis ifrs-full:CounterpartiesAxis
588 Counterparties [member] Member ifrs-full:CounterpartiesMember
589 Mortgage Guarantor Interxion Real Estate Holding B V [member] Member inxn:MortgageGuarantorInterxionRealEstateHoldingBVMember
590 Arrangements involving legal form of lease [axis] Axis ifrs-full:ArrangementsInvolvingLegalFormOfLeaseAxis
591 Arrangements involving legal form of lease [member] Member ifrs-full:ArrangementsInvolvingLegalFormOfLeaseMember
592 Interxion Real Estate Holding B.V. [member] Member inxn:InterxionRealEstateHoldingBVMember
593 Disclosure of financial risk management [line items] LineItems inxn:DisclosureOfFinancialRiskManagementLineItems
594 Mortgage financing Concept (Monetary) As Of Debit ifrs-full:LoansAndReceivables
595 Quarterly installment Concept (Monetary) As Of Debit inxn:PrincipalAmountToBeRepaid
596 Mortgages, maturity Concept (xbrli:durationItemType) For Period inxn:MortgageBankLoanMaturityPeriod
597 Interest margin in addition to EURIBOR Concept (Percent) For Period inxn:InterestMarginInAdditionToEURIBOR
598 Percentage of interest rate swap Concept (Percent) For Period inxn:PercentageOfPrincipalAmountSubjectToInterestRateSwap
599 Period of interest rate Concept (xbrli:durationItemType) For Period inxn:PeriodOfInterestRates
600 Annual installment Concept (Monetary) As Of Debit inxn:PrincipalAmountToAnnualInstalments
601 Final repayment Concept (Monetary) As Of Debit inxn:PrincipalAmountToFinalRepayment
602 Borrowings Concept (Monetary) As Of Credit ifrs-full:Borrowings
603 Mortgages, maturity Concept (xbrli:durationItemType) For Period inxn:MortgageSecuredLoanMaturityPeriod
604 Number of quarterly instalments Concept (Integer) For Period inxn:NumberOfQuarterlyInstalments
605 Annual installment Concept (Monetary) As Of Debit inxn:PrincipalAmountToQuarterlyInstalments
606 Annual installments Concept (Integer) For Period inxn:AnnualInstallments
607 Number of monthly instalments Concept (Integer) For Period inxn:NumberOfMonthlyInstalments
608 Principal amount due to be repaid Concept (Monetary) As Of Credit inxn:PrincipalAmountDueToBeRepaid
609 Principal amount due to be repaid, increased amount Concept (Monetary) As Of Credit inxn:PrincipalAmountDueToBeRepaidIncreasedAmount
610 Monthly installment Concept (Monetary) As Of Debit inxn:PrincipalAmountToMonthlyInstalment
611 1070 - Disclosure - Financial risk management - Interest rate risk - Additional Information (Detail) Network

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612 Disclosure Of Financial Risk Management [Table] Table

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613 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
614 Risks [member] Member ifrs-full:TypesOfRisksMember
615 Interest rate risk [member] Member ifrs-full:InterestRateRiskMember
616 Types of investment property [axis] Axis ifrs-full:TypesOfInvestmentPropertyAxis
617 Investment property [member] Member ifrs-full:InvestmentPropertyMember
618 Interxion Real Estate V.B.V. [member] Member inxn:InterxionRealEstateVBVMember
619 Interxion Real Estate IX N.V. [member] Member inxn:InterxionRealEstateIXNVMember
620 Interxion Real Estate I B.V. [member] Member inxn:InterxionRealEstateIBVMember
621 Interxion Real Estate II Sarl [member] Member inxn:InterxionRealEstateIISARLMember
622 Interxion Real Estate IV B.V. [member] Member inxn:InterxionRealEstateIVBVMember
623 Interxion Real Estate VIIGmbH [member] Member inxn:InterxionRealEstateVIIGmbHMember
624 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
625 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
626 Senior secured facility agreement [member] Member inxn:SeniorSecuredFacilityAgreementMember
627 CIBOR [member] Member inxn:CIBORMember
628 STIBOR [member] Member inxn:STIBORMember
629 Currency [Axis] Axis us-gaap:CurrencyAxis
630 All Currencies [Domain] Member currency:AllCurrenciesDomain
631 Euro [member] Member currency:EUR
632 DKK [Member] Member currency:DKK
633 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
634 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
635 Mortgages [member] Member ifrs-full:MortgagesMember
636 Range [axis] Axis ifrs-full:RangeAxis
637 Ranges [member] Member ifrs-full:RangesMember
638 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
639 Top of range [member] Member ifrs-full:TopOfRangeMember
640 Arrangements involving legal form of lease [axis] Axis ifrs-full:ArrangementsInvolvingLegalFormOfLeaseAxis
641 Arrangements involving legal form of lease [member] Member ifrs-full:ArrangementsInvolvingLegalFormOfLeaseMember
642 Interxion Real Estate Holding B.V. [member] Member inxn:InterxionRealEstateHoldingBVMember
643 Disclosure of financial risk management [line items] LineItems inxn:DisclosureOfFinancialRiskManagementLineItems
644 Mortgage financing Concept (Monetary) As Of Debit ifrs-full:LoansAndReceivables
645 Mortgages, maturity Concept (xbrli:durationItemType) For Period inxn:MortgageSecuredLoanMaturityPeriod
646 Interest margin in addition to EURIBOR Concept (Percent) For Period inxn:InterestMarginInAdditionToEURIBOR
647 Percentage of interest rate swap Concept (Percent) For Period inxn:PercentageOfInterestRateSwap
648 Number of monthly instalments Concept (Integer) For Period inxn:NumberOfMonthlyInstalments
649 Principal amount due to be repaid Concept (Monetary) As Of Credit inxn:PrincipalAmountDueToBeRepaid
650 Principal amount due to final repayment Concept (Monetary) As Of Debit inxn:PrincipalAmountDueToFinalRepayment
651 Monthly installment Concept (Monetary) As Of Debit inxn:PrincipalAmountToMonthlyInstalment
652 Final repayment Concept (Monetary) As Of Debit inxn:PrincipalAmountToFinalRepayment
653 1071 - Disclosure - Information by Segment - Entity-wide disclosures (Detail) Network

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654 Disclosure of geographical areas [table] Table

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655 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
656 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
657 France [member] Member country:FR
658 Germany [member] Member country:DE
659 Netherlands [member] Member country:NL
660 United Kingdom [member] Member country:GB
661 Other countries [member] Member inxn:OtherCountriesMember
662 Disclosure of geographical areas [line items] LineItems ifrs-full:DisclosureOfGeographicalAreasLineItems
663 Revenues Concept (Monetary) For Period Credit ifrs-full:Revenue
664 Non-current assets excluding deferred tax assets and financial instruments Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssetsOtherThanFinancialInstrumentsDeferredTaxAssetsPostemploymentBenefitAssetsAndRightsArisingUnderInsuranceContracts
665 1072 - Disclosure - Information by Segment - Disclosure of Information by Segment (Detail) Network

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 http://imetrix.edgar-online.com/taxonomy/role/DisclosureInformationBySegmentDisclosureOfInformationBySegment
666 Disclosure of operating segments [table] Table

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667 Segment consolidation items [axis] Axis ifrs-full:SegmentConsolidationItemsAxis
668 Entity's total for segment consolidation items [member] Member ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
669 Operating segments [member] Member ifrs-full:OperatingSegmentsMember
670 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
671 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
672 FR, DE, NL and UK [member] Member inxn:FranceGermanyTheNetherlandsAndUnitedKingdomMember
673 Rest of Europe [member] Member inxn:RestOfEuropeMember
674 Corporate and other [member] Member us-gaap:CorporateAndOtherMember
675 Measurement [axis] Axis ifrs-full:MeasurementAxis
676 Aggregated measurement [member] Member ifrs-full:AggregatedMeasurementMember
677 Recurring revenue [member] Member ifrs-full:RecurringFairValueMeasurementMember
678 Non-recurring revenue [member] Member ifrs-full:NonrecurringFairValueMeasurementMember
679 Disclosure of operating segments [line items] LineItems ifrs-full:DisclosureOfOperatingSegmentsLineItems
680 Revenue Concept (Monetary) For Period Credit ifrs-full:Revenue
681 Cost of sales Concept (Monetary) For Period Debit ifrs-full:CostOfSales
682 Gross profit/(loss) Concept (Monetary) For Period Credit ifrs-full:GrossProfit
683 Other income Concept (Monetary) For Period Credit ifrs-full:OtherIncome
684 Sales and marketing costs Concept (Monetary) For Period Debit ifrs-full:SalesAndMarketingExpense
685 General and administrative costs Concept (Monetary) For Period Debit ifrs-full:AdministrativeExpense
686 Operating income Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromOperatingActivities
687 Net Finance expense Concept (Monetary) For Period Credit ifrs-full:FinanceIncomeCost
688 Profit before taxation Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
689 Total assets Concept (Monetary) As Of Debit ifrs-full:Assets
690 Total liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
691 Capital expenditures, including intangible assets Concept (Monetary) For Period Credit inxn:CapitalExpenditureIncludingIntangibleAssets
692 Depreciation, amortization and impairments Concept (Monetary) For Period Debit ifrs-full:DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
693 Adjusted EBITDA Concept (Monetary) For Period Credit inxn:AdjustedEarningsBeforeInterestTaxDepreciationAndAmortization
694 1073 - Disclosure - Information by Segment - Summary of Detailed Information about Reconciliation to Adjusted EBITDA (Detail) Network

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695 Disclosure Of Detailed Information About Reconciliation To Adjusted EBITDA [table] Table

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 inxn:DisclosureOfDetailedInformationAboutReconciliationToAdjustedEBITDATable
696 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
697 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
698 FR, DE, NL and UK [member] Member inxn:FranceGermanyTheNetherlandsAndUnitedKingdomMember
699 Rest of Europe [member] Member inxn:RestOfEuropeMember
700 Corporate and other [member] Member us-gaap:CorporateAndOtherMember
701 Disclosure of detailed information about reconciliation to adjusted EBITDA [line items] LineItems inxn:DisclosureOfDetailedInformationAboutReconciliationToAdjustedEBITDALineItems
702 Net income Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
703 Income tax expense Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
704 Profit before taxation Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
705 Finance income Concept (Monetary) For Period Credit ifrs-full:FinanceIncome
706 Finance expense Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
707 Operating income Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromOperatingActivities
708 Depreciation, amortization and impairments Concept (Monetary) For Period Debit ifrs-full:DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
709 Share-based payments Concept (Monetary) For Period Debit inxn:ShareBasedPayments
710 Increase/(decrease) in provision for onerous lease contracts Concept (Monetary) For Period Credit inxn:IncreaseDecreaseInProvisionsForLeaseContracts
711 M&A transaction break fee income Concept (Monetary) For Period Credit inxn:TransactionBreakFeeIncome
712 M&A transaction costs Concept (Monetary) For Period Debit inxn:TransactionCosts
713 Income from sub-leases on unused data center sites Concept (Monetary) For Period Credit inxn:IncomeFromSubleasesOnUnusedDataCenterSites
714 Increase/(decrease) in provision for site restoration Concept (Monetary) For Period Debit inxn:IncreaseDecreaseInProvisionForSiteRestoration
715 Adjusted EBITDA Concept (Monetary) For Period Credit inxn:AdjustedEarningsBeforeInterestTaxDepreciationAndAmortization
716 1074 - Disclosure - General and Administrative Costs - Summary of General and Administrative Costs (Details) (Detail) Network

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717 Disclosure of General and Administrative Expense [Table] Table

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 inxn:DisclosureOfGeneralAndAdministrativeExpenseTable
718 Income Statement Location [Axis] Axis us-gaap:IncomeStatementLocationAxis
719 Income Statement Location [Domain] Member us-gaap:IncomeStatementLocationDomain
720 General and administrative costs [member] Member us-gaap:GeneralAndAdministrativeExpenseMember
721 Disclosure of general and administrative expense [line items] LineItems inxn:DisclosureOfGeneralAndAdministrativeExpenseLineItems
722 Depreciation, amortization and impairments Concept (Monetary) For Period Debit ifrs-full:DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
723 Share-based payments Concept (Monetary) For Period Debit inxn:ShareBasedPayments
724 (Increase)/decrease in provision for onerous lease contracts Concept (Monetary) For Period Credit inxn:IncreaseDecreaseInProvisionsForLeaseContracts
725 M&A transaction costs Concept (Monetary) For Period Debit inxn:TransactionCosts
726 Employee benefit expenses (excluding share-based payments) Concept (Monetary) For Period Debit ifrs-full:EmployeeBenefitsExpense
727 Other general and administrative costs Concept (Monetary) For Period Debit ifrs-full:MiscellaneousOtherOperatingExpense
728 Total Concept (Monetary) For Period Debit ifrs-full:AdministrativeExpense
729 1075 - Disclosure - Employee Benefit Expenses - Additional Information (Detail) Network

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730 Implied Table Table

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731 Disclosure of employee benefits expenses [abstract] Abstract inxn:DisclosureOfEmployeeBenefitsExpensesAbstract
732 Average number of employees Concept (Decimal) For Period ifrs-full:AverageNumberOfEmployees
733 1076 - Disclosure - Employee Benefit Expenses - Employee Benefit Expense (Detail) Network

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734 Implied Table Table

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735 Disclosure of employee benefits expenses [abstract] Abstract inxn:DisclosureOfEmployeeBenefitsExpensesAbstract
736 Salaries and bonuses Concept (Monetary) For Period Debit ifrs-full:WagesAndSalaries
737 Social security charges Concept (Monetary) For Period Debit ifrs-full:SocialSecurityContributions
738 Contributions to defined contribution pension plans Concept (Monetary) For Period Debit ifrs-full:PostemploymentBenefitExpenseDefinedContributionPlans
739 Other personnel-related costs Concept (Monetary) For Period Debit ifrs-full:OtherEmployeeExpense
740 Share-based payments Concept (Monetary) For Period Debit inxn:ShareBasedPayments
741 Employee benefits expense Concept (Monetary) For Period Debit ifrs-full:EmployeeBenefitsExpense
742 1077 - Disclosure - Employee Benefit Expenses - Employee Benefit Expense Under Income Statement (Detail) Network

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743 Disclosure of defined benefit plans [table] Table

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744 Reclassified items [axis] Axis ifrs-full:ReclassifiedItemsAxis
745 Reclassified items [member] Member ifrs-full:ReclassifiedItemsMember
746 Costs of sales [member] Member us-gaap:CostOfSalesMember
747 Sales and marketing costs [member] Member inxn:SalesAndMarketingExpensesMember
748 General and administrative costs [member] Member us-gaap:GeneralAndAdministrativeExpenseMember
749 Disclosure of defined benefit plans [line items] LineItems ifrs-full:DisclosureOfDefinedBenefitPlansLineItems
750 Employee benefits expense Concept (Monetary) For Period Debit ifrs-full:EmployeeBenefitsExpense
751 1078 - Disclosure - Finance Income And Expense - Finance Income And Expense Details (Detail) Network

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 http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinanceIncomeAndExpenseFinanceIncomeAndExpenseDetails
752 Implied Table Table

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753 Disclosure of detail information about financial income and expenses [abstract] Abstract inxn:DisclosureOfDetailInformationAboutFinancialIncomeAndExpensesAbstract
754 Bond premium and fees in income Concept (Monetary) For Period Credit ifrs-full:InterestIncomeOnDebtInstrumentsHeld
755 Bank and other interest Concept (Monetary) For Period Credit ifrs-full:InterestIncomeOnLoansAndAdvancesToBanks
756 Profit from sale of financial asset Concept (Monetary) For Period Credit ifrs-full:GainsOnDisposalsOfInvestments
757 Net foreign currency exchange gain Concept (Monetary) For Period Credit ifrs-full:NetForeignExchangeGain
758 Finance income Concept (Monetary) For Period Credit ifrs-full:FinanceIncome
759 Interest expense on Senior Secured Notes, bank and other loans Concept (Monetary) For Period Debit ifrs-full:InterestExpenseOnBankLoansAndOverdrafts
760 Interest expense on finance leases Concept (Monetary) For Period Debit ifrs-full:InterestExpenseOnFinanceLeases
761 Interest expense on provision for onerous lease contracts Concept (Monetary) For Period Debit inxn:InterestExpenseOnProvisionForOnerousLeaseContracts
762 Other financial expenses Concept (Monetary) For Period Debit ifrs-full:OtherFinanceCost
763 Net foreign currency exchanges loss Concept (Monetary) For Period Debit ifrs-full:NetForeignExchangeLoss
764 Finance expense Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
765 Net finance expense Concept (Monetary) For Period Credit ifrs-full:FinanceIncomeCost
766 1079 - Disclosure - Finance Income and Expense - Additional Information (Detail) Network

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767 Implied Table Table

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768 Disclosure of detail information about financial income and expenses [abstract] Abstract inxn:DisclosureOfDetailInformationAboutFinancialIncomeAndExpensesAbstract
769 Interest expense on finance leases Concept (Monetary) For Period Debit inxn:IncreaseDecreaseInterestExpenseOnFinanceLeases
770 1080 - Disclosure - Income Tax - Summary of Income Tax Expense (Detail) Network

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 http://imetrix.edgar-online.com/taxonomy/role/DisclosureIncomeTaxSummaryOfIncomeTaxExpense
771 Implied Table Table

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772 Major components of tax expense (income) [abstract] Abstract ifrs-full:MajorComponentsOfTaxExpenseIncomeAbstract
773 Current taxes Concept (Monetary) For Period Debit ifrs-full:CurrentTaxExpenseIncome
774 Deferred taxes Concept (Monetary) For Period Debit ifrs-full:DeferredTaxExpenseIncome
775 Total income tax expense Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
776 1081 - Disclosure - Income Taxes - Additional Information (Detail) Network

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777 Implied Table Table

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778 Disclosure of income tax [abstract] Abstract inxn:DisclosureOfIncomeTaxAbstract
779 Statutory tax rate Concept (Percent) For Period ifrs-full:ApplicableTaxRate
780 Effective tax rate Concept (Percent) For Period ifrs-full:AverageEffectiveTaxRate
781 1082 - Disclosure - Income Tax - Summary of Reconciliation of Effective Tax Rate (Detail) Network

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782 Implied Table Table

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783 Reconciliation of accounting profit multiplied by applicable tax rates [abstract] Abstract ifrs-full:ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract
784 Net income Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
785 Income tax expense Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
786 Profit before taxation Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
787 Income tax using Company's domestic tax rate Concept (Monetary) For Period Debit ifrs-full:TaxExpenseIncomeAtApplicableTaxRate
788 Effect of tax rates in foreign jurisdictions Concept (Monetary) For Period Debit ifrs-full:TaxEffectOfForeignTaxRates
789 Change in tax rate and legislation Concept (Monetary) For Period Debit ifrs-full:TaxEffectFromChangeInTaxRate
790 Non-deductible expenses Concept (Monetary) For Period Debit ifrs-full:TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss
791 Recognition of previously unrecognized tax losses Concept (Monetary) For Period Credit ifrs-full:TaxBenefitArisingFromPreviouslyUnrecognisedTaxLossTaxCreditOrTemporaryDifferenceOfPriorPeriodUsedToReduceCurrentTaxExpense
792 Prior year adjustments included in current year tax Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForCurrentTaxOfPriorPeriod
793 Other Concept (Monetary) For Period Debit ifrs-full:OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome
794 Total income tax expense Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
795 1083 - Disclosure - Income Tax - Summary of Movement in Recognized Deferred Tax Assets (Detail) Network

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796 Disclosure of temporary difference, unused tax losses and unused tax credits [table] Table

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805 Property, plant and equipment, and intangibles [member] Member inxn:PropertyPlantAndEquipmentAndIntangibleAssetsMember
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810 Recognized in equity Concept (Monetary) For Period Debit inxn:DeferredTaxAssetsBeforeOffsettingDeferredTaxLiabilitiesRecognizedInEquity
811 Acquisitions Concept (Monetary) For Period Debit inxn:DeferredTaxAssetsBeforeOffsettingDeferredTaxLiabilitiesAcquisition
812 Effects of movements in exchange rates Concept (Monetary) For Period Debit inxn:DeferredTaxAssetsBeforeOffsettingDeferredTaxLiabilitiesEffectsOfMovementsInExchangeRates
813 Ending balance Concept (Monetary) As Of Debit inxn:DeferredTaxAssetsBeforeOffsettingDeferredTaxLiabilities
814 Offset deferred tax liabilities Concept (Monetary) As Of Credit inxn:DeferredTaxAssetsOffsettingDeferredTaxLiabilities
815 Net deferred tax assets/(liabilities) Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
816 1084 - Disclosure - Income Tax - Summary of Movement in Recognized Deferred Tax Liability (Detail) Network

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817 Disclosure of temporary difference, unused tax losses and unused tax credits [table] Table

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820 Property, plant and equipment, and intangibles [member] Member inxn:PropertyPlantAndEquipmentAndIntangibleAssetsMember
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828 Acquisitions Concept (Monetary) For Period Credit inxn:DeferredTaxLiabilitiesBeforeOffsettingDeferredTaxAssetsAcquisition
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832 Net deferred tax assets/(liabilities) Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
833 1085 - Disclosure - Income Tax - Details of Net Deferred Tax Assets (Detail) Network

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834 Implied Table Table

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837 Tax losses Concept (Monetary) As Of ifrs-full:UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised
838 Net deferred tax assets Concept (Monetary) As Of Debit inxn:UnrecognizedDeferredTaxAssets
839 1086 - Disclosure - Income Tax - Summary of Accumulated Recognized and Unrecognized Tax Losses (Detail) Network

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840 Disclosure of temporary difference, unused tax losses and unused tax credits [table] Table

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847 Disclosure of temporary difference, unused tax losses and unused tax credits [line items] LineItems ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems
848 Accumulated recognized and unrecognized tax Concept (Monetary) For Period Credit inxn:DeferredTaxAssetAndLiabilityAccumulatedRecognizedAndUnrecognizedTaxLosses
849 1087 - Disclosure - Property, Plant and Equipment - Summary of Property, Plant and Equipment (Detail) Network

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855 Assets under construction [member] Member ifrs-full:ConstructionInProgressMember
856 Total data center assets [member] Member ifrs-full:CommunicationAndNetworkEquipmentMember
857 Office equipment and other [member] Member ifrs-full:OfficeEquipmentMember
858 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
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871 1088 - Disclosure - Property, Plant and Equipment - Additional Information (Detail) Network

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872 Disclosure of detailed information about property, plant and equipment [table] Table

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893 1089 - Disclosure - Intangible Assets - Summary of Intangible Assets (Detail) Network

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894 Disclosure of detailed information about intangible assets [table] Table

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912 Disposals Concept (Monetary) For Period Credit ifrs-full:DisposalsIntangibleAssetsAndGoodwill
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914 1090 - Disclosure - Intangible Assets and Goodwill - Summary of Key Assumptions Used in Calculating Recoverable Amount (Detail) Network

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915 Implied Table Table

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918 Terminal value growth rate Concept (Percent) For Period inxn:TerminalValueGrowthRate
919 Budgeted Adjusted EBITDA growth rate throughout the forecast Concept (Percent) For Period inxn:BudgetedAdjustedEBITDAGrowthRate
920 1091 - Disclosure - Intangible Assets and Goodwill - Additional Information (Detail) Network

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921 Implied Table Table

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924 Market interest rate Concept (Percent) For Period inxn:MarketInterestRate
925 1092 - Disclosure - Other Investments - Additional Information (Detail) Network

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926 Implied Table Table

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929 Fair value of conversion option Concept (Monetary) As Of Credit inxn:FairValueOfConversionOption
930 Conversion of loans disbursed Concept (Monetary) As Of Credit inxn:ConversionOfLoansDisbursed
931 1093 - Disclosure - Trade and Other (Non-) Current Assets - Summary of Trade and Other Noncurrent Assets (Detail) Network

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932 Implied Table Table

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935 Rental and other supplier deposits Concept (Monetary) As Of Debit ifrs-full:NoncurrentReceivablesFromRentalOfProperties
936 Deferred setup cost Concept (Monetary) As Of Debit inxn:NoncurrentDeferredSetupCost
937 Deferred financing costs Concept (Monetary) As Of Debit inxn:NoncurrentDeferredFinancingCost
938 Deferred rent related stamp duties Concept (Monetary) As Of Debit inxn:NoncurrentDeferredRentRelatedStampDuties
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941 1094 - Disclosure - Trade and Other (Non-) Current Assets - Summary of Trade and Other Current Assets (Detail) Network

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942 Implied Table Table

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946 Taxes receivable Concept (Monetary) As Of Debit ifrs-full:CurrentTaxAssetsCurrent
947 Accrued revenue Concept (Monetary) As Of Debit ifrs-full:CurrentAccruedIncome
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950 1095 - Disclosure - Trade and Other (Non-) Current Assets - Additional Information (Detail) Network

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951 Implied Table Table

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954 Cash held as collateral Concept (Monetary) As Of Credit inxn:CashCollateral
955 1096 - Disclosure - Shareholders' equity - Summary of Share Capital and Share Premium (Detail) Network

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956 Implied Table Table

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959 Issue/conversion of shares Concept (Shares) For Period inxn:NumberOfSharesConverted
960 On issue at 31 December Concept (Shares) As Of ifrs-full:NumberOfSharesIssued
961 1097 - Disclosure - Shareholders' equity - Additional Information (Detail) Network

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962 Disclosure of classes of share capital [table] Table

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972 Number of new share issued Concept (Shares) As Of ifrs-full:NumberOfSharesIssued
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978 Number of shares authorised Concept (Shares) As Of ifrs-full:NumberOfSharesAuthorised
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980 1098 - Disclosure - Earning Per Share - Summary of Profit Attributable to Ordinary Shareholders (Detail) Network

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981 Implied Table Table

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987 1099 - Disclosure - Earnings per share - Additional Information (Detail) Network

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988 Implied Table Table

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992 1100 - Disclosure - Trade Payables and Other Liabilities - Summary of Trade Payables and Other Liabilities (Detail) Network

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993 Implied Table Table

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1001 Tax and social security Concept (Monetary) As Of Credit ifrs-full:CurrentPayablesOnSocialSecurityAndTaxesOtherThanIncomeTax
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1006 Total Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherPayables
1007 1101 - Disclosure - Trade payables and other liabilities - Additional Information (Detail) Network

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1008 Implied Table Table

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1011 1102 - Disclosure - Trade Payables and Other Liabilities - Summary of Accrued Expenses (Detail) Network

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1012 Implied Table Table

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1015 Personnel and related costs Concept (Monetary) For Period Debit inxn:PersonnelAndRelatedCosts
1016 Professional services Concept (Monetary) For Period Debit ifrs-full:ProfessionalFeesExpense
1017 Customer implementation and related costs Concept (Monetary) For Period Debit inxn:CustomerImplementationAndRelatedCosts
1018 Financing-related costs Concept (Monetary) For Period Debit inxn:AccretionExpenseIncludedInFinanceCosts
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1021 1103 - Disclosure - Provision for Onerous Lease Contracts - Additional Information (Detail) Network

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1022 Disclosure of other provisions [table] Table

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1031 1104 - Disclosure - Provision for Onerous Lease Contracts - Summary of Provision Calculated Based on Discounted Future Contracted Payments Net of Sublease Revenues (Detail) Network

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1032 Disclosure of other provisions [table] Table

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1039 Unwinding of discount Concept (Monetary) For Period Credit inxn:UnwindingOfDiscountOnProvisions
1040 Utilization of provision Concept (Monetary) For Period Debit inxn:UtilizationOfProvisionOnProvisions
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1043 Current Concept (Monetary) As Of Credit ifrs-full:ShorttermOnerousContractsProvision
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1045 1105 - Disclosure - Borrowings - Schedule of Current and Non-Borrowings (Details) (Detail) Network

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1046 Disclosure of detailed information about borrowings [table] Table

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 ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
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1050 Mortgages [member] Member ifrs-full:MortgagesMember
1051 Finance lease liabilities [member] Member inxn:FinanceLeaseLiabilitiesMember
1052 2017 Senior Secured Revolving Facility [member] Member inxn:TwoThousandSeventeenSeniorSecuredRevolvingFacilityMember
1053 Other loans [member] Member inxn:OtherLoansMember
1054 Disclosure of detailed information about borrowings [line items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
1055 Non-current Abstract ifrs-full:NoncurrentPortionOfNoncurrentBorrowingsByTypeAbstract
1056 Total non current borrowings Concept (Monetary) As Of Credit ifrs-full:LongtermBorrowings
1057 Current Abstract ifrs-full:CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowingsAbstract
1058 Total current borrowings Concept (Monetary) As Of Credit ifrs-full:ShorttermBorrowings
1059 Total borrowings Concept (Monetary) As Of Credit ifrs-full:Borrowings
1060 1106 - Disclosure - Borrowings - Schedule of Current and Non-Borrowings (Details) (Parenthetical) (Detail) Network

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1061 Disclosure of detailed information about borrowings [table] Table

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1062 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
1063 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1064 Senior Secured Notes 6.0%, due 2020 [member] Member inxn:SeniorSecuredNotesSixPointZeroPercentageDueTwoThousandAndTwentyMember
1065 Disclosure of detailed information about borrowings [line items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
1066 Borrowings interest rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
1067 Borrowings, maturity Concept (Year) For Period inxn:BorrowingsMaturityYear
1068 1107 - Disclosure - Borrowings - Additional Information - Senior Secured Notes due 2020 (Detail) Network

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1069 Disclosure of detailed information about borrowings [table] Table

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1071 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1072 Senior secured notes 6.00% due 2020 [member] Member inxn:SeniorSecuredNotesDueTwoThousandAndTwentyMember
1073 6% Senior Secured Notes due 2020 Additional Note [member] Member inxn:SeniorSecuredNotesDueTwoThousandAndTwentyAdditionalNoteMember
1074 Senior Secured Notes due 2017 [member] Member inxn:SeniorSecuredNotesDueTwoThousandAndSeventeenMember
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1076 Ranges [member] Member ifrs-full:RangesMember
1077 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
1078 Top of range [member] Member ifrs-full:TopOfRangeMember
1079 Disclosure of detailed information about borrowings [line items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
1080 Face value of borrowings Concept (Monetary) As Of ifrs-full:NotionalAmount
1081 Aggregate principal amount Concept (Monetary) As Of Credit ifrs-full:Borrowings
1082 Interest rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
1083 Proceeds of offering used to purchase senior notes Concept (Monetary) For Period Debit inxn:ProceedsFromOfferingUsedToPurchaseSeniorNotes
1084 Fixed charge ratio Concept (Percent) For Period inxn:ConsolidatedFixedChargeRatio
1085 Leverage ratio Concept (Percent) As Of inxn:LeverageRatios
1086 Net proceeds of offering Concept (Monetary) For Period Debit ifrs-full:ProceedsFromIssueOfBondsNotesAndDebentures
1087 Offering fees and expenses Concept (Monetary) For Period Debit inxn:OfferingFeesAndExpensesNet
1088 Aggregate principal amount Concept (Monetary) For Period Credit inxn:AdditionalBorrowing
1089 Increase in nominal value premium Concept (Monetary) For Period Debit inxn:IncreaseInNominalValuePremium
1090 1108 - Disclosure - Borrowings - Additional Information - Mortgages (Detail) Network

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1091 Disclosure of detailed information about borrowings [table] Table

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1095 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
1096 Assets [member] Member ifrs-full:ClassesOfAssetsMember
1097 Real Estate Property In Germany [member] Member inxn:RealEstatePropertyInGermanyMember
1098 PAR Three Land And PAR Five Land [member] Member inxn:PARThreeLandAndParFiveLandMember
1099 AMS Three Property [member] Member inxn:AMSThreePropertyMember
1100 Data Center Property In Belgium [member] Member inxn:DataCenterPropertyInBelgiumMember
1101 Data Center Property In Austria [member] Member inxn:DataCenterPropertyInAustriaMember
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1103 Ranges [member] Member ifrs-full:RangesMember
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1106 Types of investment property [axis] Axis ifrs-full:TypesOfInvestmentPropertyAxis
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1108 Interxion Real Estate IV B.V. [member] Member inxn:InterxionRealEstateIVBVMember
1109 Types of interest rates [axis] Axis ifrs-full:TypesOfInterestRatesAxis
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1111 Fixed-rate instruments [member] Member ifrs-full:FixedInterestRateMember
1112 Disclosure of detailed information about borrowings [line items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
1113 Face value of borrowings Concept (Monetary) As Of ifrs-full:NotionalAmount
1114 Number of mortgage loans Concept (Integer) As Of inxn:NumberOfMortgageLoan
1115 Long term borrowings Concept (Monetary) As Of Credit ifrs-full:LongtermBorrowings
1116 Aggregate amount repayable on quarterly installments Concept (Monetary) For Period Credit inxn:PrincipalAggregateAmountRepayableOnQuarterlyInstallments
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1122 Period of interest rate Concept (xbrli:durationItemType) For Period inxn:PeriodOfInterestRates
1123 Principal amount repayable in annual installments Concept (Monetary) For Period Debit inxn:PrincipalAmountRepayableInAnnualInstallments
1124 Repayments of noncurrent borrowings Concept (Monetary) For Period Credit ifrs-full:RepaymentsOfNoncurrentBorrowings
1125 Borrowings, maturity Concept (Date) For Period inxn:BorrowingsMaturityDate
1126 Debt service capacity covenant ratio Concept (Percent) For Period inxn:DebtServiceCapacityCovenantRatio
1127 Life of mortgage backed securities Concept (Text/String) For Period inxn:LifeOfMortgageBackedSecurities
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1130 Number of monthly instalments Concept (Integer) For Period inxn:NumberOfMonthlyInstalments
1131 1109 - Disclosure - Borrowings - Additional Information - Optional Redemption to Revolving Facility Agreement (Detail) Network

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1132 Disclosure of detailed information about borrowings [table] Table

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1144 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
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1146 Senior secured notes 6.00% due 2020 [member] Member inxn:SeniorSecuredNotesDueTwoThousandAndTwentyMember
1147 Revolving facility agreement [member] Member inxn:RevolvingFacilityAgreementMember
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1152 Interest rate types [member] Member ifrs-full:InterestRateTypesMember
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1156 Redemption period Concept (Text/String) For Period inxn:RedemptionYieldPeriod
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1158 Borrowings redemption multiple amount Concept (Monetary) As Of Credit inxn:BorrowingsRedemptionPurchasePrice
1159 Ownership percentage of voting stock of company, change of control threshold Concept (Percent) As Of inxn:OwnershipPercentage
1160 Redemption option to senior secured notes holders Concept (Monetary) As Of Credit inxn:SeniorNotesRedemptionOption
1161 Redemption option to senior secured notes holders in integral multiples Concept (Monetary) As Of Credit inxn:SeniorNotesRedemptionOptionInIntegralMultiples
1162 Purchase price in cash equal Concept (Percent) For Period inxn:PurchasePriceOfNotesEquivalentPercentageOfPrincipalAmountPlusAccruedInterest
1163 Borrowings Concept (Monetary) As Of Credit ifrs-full:Borrowings
1164 Initial Maturity Concept (Text/String) For Period inxn:RevolvingCreditFacilityMaturityPeriod
1165 Extension in maturity date Concept (Text/String) For Period inxn:RevolvingCreditFacilityExtendedMaturityDate
1166 Revolving credit facility interest rate Concept (Text/String) For Period inxn:SeniorSecuredRevolvingFacilityInterestRate
1167 Senior secured revolving facility Concept (Monetary) As Of Credit inxn:SecuredRevolvingCreditFacilityOutstandingAmount
1168 Senior secured revolving facility, extended maturity date Concept (Date) For Period inxn:SeniorRevolvingCreditFacilityExtendedMaturityDate
1169 Consolidated fixed charge ratio Concept (Percent) For Period inxn:ConsolidatedFixedChargeRatio
1170 Consolidated senior leverage ratio Concept (Percent) For Period inxn:ConsolidatedSeniorLeverageRatio
1171 Financial covenant leverage ratio Concept (Percent) For Period inxn:FinancialCovenantLeverageRatio
1172 Guarantor coverage percentage of adjusted EBITDA Concept (Percent) For Period inxn:GuarantorCoveragePercentageOfAdjustedEbitda
1173 1110 - Disclosure - Borrowings - Schedule of Optional Redemption Price Expressed as Percentage (Detail) Network

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1174 Description Of Redemption Option [Table] Table

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*

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1177 2017 [member] Member ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember
1178 2018 [member] Member ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember
1179 2019 and thereafter [member] Member ifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember
1180 Description of redemption option [line items] LineItems inxn:DescriptionOfRedemptionOptionLineItems
1181 Redemption Price Concept (Percent) As Of inxn:RedemptionPrice
1182 1111 - Disclosure - Borrowings - Summary of Reconciliation of Movements of Liabilities to Cash Flows Arising from Financing Activities (Detail) Network

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1183 Disclosure of reconciliation of liabilities arising from financing activities [table] Table

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1186 Share capital [member] Member ifrs-full:IssuedCapitalMember
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1188 Foreign currency translation reserve [member] Member ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember
1189 Hedging Reserve [member] Member ifrs-full:ReserveOfCashFlowHedgesMember
1190 Accumulated profit/(deficit) [member] Member ifrs-full:AccumulatedOtherComprehensiveIncomeMember
1191 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
1192 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1193 Senior Secured Notes 6.0%, due 2020 [member] Member inxn:SeniorSecuredNotesSixPointZeroPercentageDueTwoThousandAndTwentyMember
1194 Mortgages [member] Member ifrs-full:MortgagesMember
1195 Finance lease liabilities [member] Member inxn:FinanceLeaseLiabilitiesMember
1196 Revolving facility agreement [member] Member inxn:RevolvingFacilityAgreementMember
1197 Disclosure of reconciliation of liabilities arising from financing activities [line items] LineItems ifrs-full:DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems
1198 Beginning balance Concept (Monetary) As Of Credit ifrs-full:LiabilitiesArisingFromFinancingActivities
1199 Changes from financing cash flows Abstract ifrs-full:ChangesInLiabilitiesArisingFromFinancingActivitiesAbstract
1200 Proceeds from exercised options Concept (Monetary) For Period Debit inxn:IncreaseDecreaseThroughProceedsFromExerciseOfOptions
1201 Proceeds from mortgages Concept (Monetary) For Period Debit inxn:IncreaseDecreaseThroughProceedsFromBorrowingsClassifiedAsFinancingActivities
1202 Repayment of mortgages Concept (Monetary) For Period Credit inxn:IncreaseDecreaseThroughRepaymentsOfBorrowingsClassifiedAsFinancingActivities
1203 Proceeds from Revolving Facilities Concept (Monetary) For Period Debit inxn:IncreaseDecreaseThroughProceedsFromNoncurrentBorrowings
1204 Repayment of Revolving Facilities Concept (Monetary) For Period Credit inxn:IncreaseDecreaseThroughRepaymentsOfNoncurrentBorrowings
1205 Finance lease obligation Concept (Monetary) For Period Credit ifrs-full:IncreaseThroughNewLeasesLiabilitiesArisingFromFinancingActivities
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1207 Amortized borrowing costs Concept (Monetary) For Period Credit inxn:IncreaseDecreaseInLiabilitiesArisingFromAmortizedBorrowingCosts
1208 Interest expense Concept (Monetary) For Period Credit inxn:IncreaseDecreaseInLiabilitiesArisingFromInterestExpense
1209 Total liability-related Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseInLiabilitiesArisingFromFinancingActivities
1210 Total equity-related other changes Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities
1211 Ending balance Concept (Monetary) As Of Credit ifrs-full:LiabilitiesArisingFromFinancingActivities
1212 1112 - Disclosure - Borrowings - Maturity Profile of the Gross Amounts of Senior Secured Notes and Mortgages (Detail) Network

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1213 Description Of Redemption Option [Table] Table

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*

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1217 Between 1 and 5 years [member] Member ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember
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1221 Undrawn borrowing facilities Concept (Monetary) As Of Credit ifrs-full:UndrawnBorrowingFacilities
1222 1113 - Disclosure - Borrowings - Additional Information - Covenants (Detail) Network

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*

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1223 Disclosure of detailed information about borrowings [table] Table

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1230 Senior secured notes 6.00% due 2020 [member] Member inxn:SeniorSecuredNotesDueTwoThousandAndTwentyMember
1231 Non-adjusting events after reporting period [axis] Axis ifrs-full:NonadjustingEventsAfterReportingPeriodAxis
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1240 Earnings before income taxes depreciation amortization and restructuring to leverage ratio Concept (Pure) For Period inxn:EarningsBeforeIncomeTaxesDepreciationAmortizationAndRestructuringToLeverageRatio
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1242 Fixed charges ratio Concept (Pure) For Period inxn:FixedChargesRatio
1243 Leverage ratio Concept (Pure) For Period inxn:LeverageRatio
1244 Net debt ratio Concept (Percent) For Period inxn:NetDebtRatio
1245 1114 - Disclosure - Borrowings - Financial Lease Liabilities Relate to the Acquisition of Property, Plant and Equipment (Detail) Network

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1246 Disclosure of maturity analysis for non-derivative financial liabilities [table] Table

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1250 Between 1 and 5 years [member] Member ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember
1251 After 5 years [member] Member ifrs-full:LaterThanFiveYearsMember
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1253 Gross lease liabilities: Abstract ifrs-full:LeaseLiabilitiesAbstract
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1255 Lease liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentFinanceLeaseLiabilities
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1257 Finance lease future interest payments Concept (Monetary) As Of Credit inxn:FinanceLeaseFutureInterestPayments
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1259 1115 - Disclosure - Borrowings - Additional Information - Financial Lease Liabilities and Other Loans (Detail) Network

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1260 Disclosure of detailed information about borrowings [table] Table

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1263 AMS8 data center [member] Member inxn:AMS8DataCenterMember
1264 AMS7 data center [member] Member inxn:AMS7DataCenterMember
1265 PAR7 data center [member] Member inxn:PAR7DataCenterMember
1266 Unused data center [member] Member inxn:UnusedDataCenterMember
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1269 Buildings [member] Member ifrs-full:BuildingsMember
1270 Land [member] Member ifrs-full:LandMember
1271 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
1272 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
1273 Germany [member] Member country:DE
1274 Disclosure of detailed information about borrowings [line items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
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1276 Carrying value of land amounts Concept (Monetary) As Of Debit ifrs-full:Land
1277 Carrying value of building amounts Concept (Monetary) As Of Debit ifrs-full:Buildings
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1280 Borrowings maturity Concept (Text/String) For Period ifrs-full:BorrowingsMaturity
1281 1116 - Disclosure - Financial Instruments - Schedule of Credit Risk Exposure (Detail) Network

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1282 Disclosure of credit risk exposure [table] Table

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1291 Accrued revenue [Member] Member inxn:AccruedRevenueMember
1292 Rental and other supplier deposits [Member] Member inxn:RentalAndOtherSupplierDepositsMember
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1294 Collaterized cash [Member] Member inxn:CollaterizedCashMember
1295 Cash and cash equivalents [Member] Member inxn:CashAndCashEquivalentMember
1296 Disclosure of credit risk exposure [line items] LineItems ifrs-full:DisclosureOfCreditRiskExposureLineItems
1297 Maximum exposure to credit risk Concept (Monetary) As Of ifrs-full:MaximumExposureToCreditRisk
1298 1117 - Disclosure - Financial Instruments - Additional Information (Detail) Network

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1299 Disclosure of detailed information about financial instruments [table] Table

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1316 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
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1331 Floating interest rate of EURIBOR plus an individual margin Concept (Text/String) For Period inxn:VariableInterestRateOfIndividualMargin
1332 Variable interest rate Concept (Text/String) For Period inxn:DescriptionOfVariableInterestRate
1333 Interest rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
1334 Term of mortgage secured loan outstanding Concept (Text/String) For Period inxn:DescriptionOfTermMortgageSecuredLoanOutstanding
1335 Changes in interest rates payables basis points Concept (Text/String) For Period inxn:ChangesInInterestRatesPayableBasisPoints
1336 Maturity year Concept (Text/String) For Period ifrs-full:BorrowingsMaturity
1337 Market price Concept (Monetary) As Of Credit inxn:DebtInstrumentMarketPrice
1338 Fair value Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValue
1339 Nominal value Concept (Monetary) As Of ifrs-full:NotionalAmount
1340 Number of mortgage Concept (Decimal) For Period inxn:NumberOfMortgages
1341 Financial assets at fair value Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValue
1342 1118 - Disclosure - Financial Instruments - Schedule of Credit Risk Exposure for Trade Receivables (Detail) Network

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1343 Disclosure Of Credit Risk Exposure For Trade Receivables [table] Table

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1344 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
1345 Risks [member] Member ifrs-full:TypesOfRisksMember
1346 Credit risk [member] Member ifrs-full:CreditRiskMember
1347 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
1348 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
1349 UK, France, Germany and The Netherlands [member] Member inxn:UnitedKingdomAndFranceAndGermanyAndNetherlandsMember
1350 Rest of Europe [member] Member inxn:RestOfEuropeMember
1351 Corporate [member] Member us-gaap:CorporateMember
1352 Disclosure Of Credit Risk Exposure For Trade Receivables [Line Items] LineItems inxn:DisclosureOfCreditRiskExposureForTradeReceivablesLineItems
1353 Credit risk exposure for trade receivables Concept (Monetary) As Of Debit ifrs-full:TradeReceivables
1354 1119 - Disclosure - Financial Instruments - Schedule of Aging of Trade Receivables (Detail) Network

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1355 Disclosure of financial assets that are either past due or impaired [table] Table

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1356 Maturity [axis] Axis ifrs-full:MaturityAxis
1357 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1358 More than 1 year [member] Member ifrs-full:LaterThanOneYearMember
1359 Past due status [axis] Axis ifrs-full:PastDueStatusAxis
1360 Past due status [member] Member ifrs-full:PastDueStatusMember
1361 Not past due [member] Member ifrs-full:CurrentMember
1362 Past due 0-30 days [member] Member inxn:LaterThanZeroDaysAndNotLaterThanThirtyDaysMember
1363 Past due 31-120 days [member] Member inxn:LaterThanThirtyOneDaysAndNotLaterThanOneHundredAndTwentyDaysMember
1364 Past due 120 days-1 year [member] Member inxn:LaterThanOneHundredAndTwentyDaysAndNotLaterThanOneYearMember
1365 Disclosure of financial assets that are either past due or impaired [line items] LineItems ifrs-full:DisclosureOfFinancialAssetsThatAreEitherPastDueOrImpairedLineItems
1366 Gross Concept (Monetary) As Of Debit inxn:GrossTradeReceivables
1367 Allowance Concept (Monetary) As Of Debit inxn:AllowanceInTradeReceivables
1368 1120 - Disclosure - Financial Instruments - Schedule of Allowance for Impairment (Detail) Network

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1369 Disclosure Of Allowance For Impairment [table] Table

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1370 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
1371 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1372 Trade receivables [member] Member ifrs-full:TradeReceivablesMember
1373 Disclosure Of Allowance For Impairment [Line Items] LineItems inxn:DisclosureOfAllowanceForImpairmentLineItems
1374 Beginning balance Concept (Monetary) As Of Credit inxn:AllowanceForImpairmentOfFinancialAssets
1375 Impairment loss recognized Concept (Monetary) For Period Debit ifrs-full:ImpairmentLoss
1376 Write-offs Concept (Monetary) For Period Debit inxn:WriteoffOfImpairment
1377 Ending balance Concept (Monetary) As Of Credit inxn:AllowanceForImpairmentOfFinancialAssets
1378 1121 - Disclosure - Financial Instruments - Schedule of Contractual Maturities of Financial Liabilities (Detail) Network

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1379 Disclosure of contractual maturities of financial liabilities [Table] Table

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1380 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
1381 Risks [member] Member ifrs-full:TypesOfRisksMember
1382 Liquidity risk [member] Member ifrs-full:LiquidityRiskMember
1383 Maturity [axis] Axis ifrs-full:MaturityAxis
1384 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1385 Contractual cash flows [member] Member inxn:ContractualCashFlowMember
1386 Within one year [member] Member ifrs-full:NotLaterThanOneYearMember
1387 Between 1 and 5 years [member] Member ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember
1388 After 5 years [member] Member ifrs-full:LaterThanFiveYearsMember
1389 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
1390 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1391 Senior secured notes 6.00% due 2020 [member] Member inxn:SeniorSecuredNotesDueTwoThousandAndTwentyMember
1392 Mortgages [member] Member ifrs-full:MortgagesMember
1393 Finance lease liabilities [member] Member inxn:FinanceLeaseLiabilitiesMember
1394 Trade and other payables [Member] Member inxn:TradeAndOtherPayableMember
1395 2017 Senior Secured Revolving Facility [member] Member inxn:TwoThousandSeventeenSeniorSecuredRevolvingFacilityMember
1396 Other loans [member] Member inxn:OtherLoansMember
1397 Disclosure of contractual maturities of financial liabilities [Line Items] LineItems inxn:DisclosureOfContractualMaturitiesOfFinancialLiabilitiesLineItems
1398 Financial liabilities Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilities
1399 1122 - Disclosure - Financial Instruments - Schedule of Foreign Exchange Rates (Detail) Network

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 http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialInstrumentsScheduleOfForeignExchangeRates
1400 Disclosure of effect of changes in foreign exchange rates [table] Table

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1401 Currency [Axis] Axis us-gaap:CurrencyAxis
1402 All Currencies [Domain] Member currency:AllCurrenciesDomain
1403 GBP [member] Member currency:GBP
1404 CHF [Member] Member currency:CHF
1405 DKK [Member] Member currency:DKK
1406 SEK [Member] Member currency:SEK
1407 Disclosure of effect of changes in foreign exchange rates [line items] LineItems inxn:DisclosureOfEffectOfChangesInForeignExchangeRatesLineItems
1408 Average foreign exchange rate Concept (Decimal) For Period ifrs-full:AverageForeignExchangeRate
1409 Closing foreign exchange rate Concept (Decimal) As Of ifrs-full:ClosingForeignExchangeRate
1410 1123 - Disclosure - Financial Instruments - Schedule of Sensitivity Analysis (Detail) Network

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*

 http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialInstrumentsScheduleOfSensitivityAnalysis
1411 Disclosure Of Sensitivity Analysis [Table] Table

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*

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1412 Currency [Axis] Axis us-gaap:CurrencyAxis
1413 All Currencies [Domain] Member currency:AllCurrenciesDomain
1414 GBP [member] Member currency:GBP
1415 CHF [Member] Member currency:CHF
1416 DKK [Member] Member currency:DKK
1417 SEK [Member] Member currency:SEK
1418 Disclosure Of Sensitivity Analysis [Line Items] LineItems inxn:DisclosureOfSensitivityAnalysisLineItems
1419 Increase (decrease) in equity Concept (Monetary) For Period Credit ifrs-full:ChangesInEquity
1420 Increase (decrease) in profit (loss) Concept (Monetary) For Period Credit inxn:IncreaseDecreaseInProfitLoss
1421 1124 - Disclosure - Financial Instruments - Schedule of Financial Instruments by Type of Interest Rate (Detail) Network

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1422 Disclosure of financial instruments by type of interest rate [table] Table

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1423 Types of interest rates [axis] Axis ifrs-full:TypesOfInterestRatesAxis
1424 Interest rate types [member] Member ifrs-full:InterestRateTypesMember
1425 Fixed-rate instruments [member] Member ifrs-full:FixedInterestRateMember
1426 Variable-rate instruments [member] Member ifrs-full:FloatingInterestRateMember
1427 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
1428 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1429 Senior Secured Notes [Member] Member inxn:SeniorSecuredNotesMember
1430 Finance lease liabilities [member] Member inxn:FinanceLeaseLiabilitiesMember
1431 Mortgages [member] Member ifrs-full:MortgagesMember
1432 Other loans [member] Member inxn:OtherLoansMember
1433 2017 Senior Secured Revolving Facility [member] Member inxn:TwoThousandSeventeenSeniorSecuredRevolvingFacilityMember
1434 Disclosure of financial instruments by type of interest rate [line items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsByTypeOfInterestRateLineItems
1435 Borrowings Concept (Monetary) As Of Credit ifrs-full:Borrowings
1436 1125 - Disclosure - Financial Instruments - Schedule of Changes in Interest Rates of Financial Instruments by Basis points (Detail) Network

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*

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1437 Disclosure of financial instruments by type of interest rate [table] Table

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*

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1438 Types of interest rates [axis] Axis ifrs-full:TypesOfInterestRatesAxis
1439 Interest rate types [member] Member ifrs-full:InterestRateTypesMember
1440 Variable-rate instruments [member] Member ifrs-full:FloatingInterestRateMember
1441 Disclosure of financial instruments by type of interest rate [line items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsByTypeOfInterestRateLineItems
1442 Increase in profit or loss Concept (Monetary) For Period Credit inxn:EffectOfOnePercentageIncreaseInInterestRatePayableOnFinancialInstrumentsImpactOnProfitLoss
1443 Decrease in profit or loss Concept (Monetary) For Period Debit inxn:EffectOfOnePercentageDecreaseInInterestRatePayableOnFinancialInstrumentsImpactOnProfitLoss
1444 Increase in equity Concept (Monetary) For Period Credit inxn:EffectOfOnePercentageIncreaseInInterestRatePayableOnFinancialInstrumentsImpactOnEquity
1445 Decrease in equity Concept (Monetary) For Period Debit inxn:EffectOfOnePercentageDecreaseInInterestRatePayableOnFinancialInstrumentsImpactOnEquity
1446 1126 - Disclosure - Financial Instruments - Schedule of Fair Value of Assets and Liabilities (Detail) Network

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1447 Disclosure Of Fair Values And Hierarchy [Table] Table

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*

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1448 Levels of fair value hierarchy [axis] Axis ifrs-full:LevelsOfFairValueHierarchyAxis
1449 All levels of fair value hierarchy [member] Member ifrs-full:AllLevelsOfFairValueHierarchyMember
1450 Carrying value [Member] Member inxn:CarryingValueMember
1451 Level 1 [Member] Member ifrs-full:Level1OfFairValueHierarchyMember
1452 Level 2 [Member] Member ifrs-full:Level2OfFairValueHierarchyMember
1453 Level 3 [member] Member ifrs-full:Level3OfFairValueHierarchyMember
1454 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
1455 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
1456 Interest rate swap [Member] Member ifrs-full:InterestRateSwapContractMember
1457 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
1458 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1459 Senior secured notes 6.00% due 2020 [member] Member inxn:SeniorSecuredNotesDueTwoThousandAndTwentyMember
1460 2017 Senior Secured Revolving Facility [member] Member inxn:TwoThousandSeventeenSeniorSecuredRevolvingFacilityMember
1461 Financial leases [member] Member inxn:FinancialLeaseMember
1462 Mortgages [member] Member ifrs-full:MortgagesMember
1463 Other Investment [Member] Member inxn:OtherInvestmentMember
1464 Conversion option [Member] Member inxn:ConversionOptionMember
1465 Disclosure Of Fair Values And Hierarchy [Line Items] LineItems inxn:DisclosureOfFairValuesAndHierarchyLineItems
1466 Financial liability Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValue
1467 Financial asset Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValue
1468 1127 - Disclosure - Financial Instruments - Schedule of Net Debt to Equity Ratio (Detail) Network

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*

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1469 Implied Table Table

*

*

 implied:Table
1470 Capital management [abstract] Abstract inxn:CapitalManagementAbstract
1471 Total liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
1472 Less: cash Concept (Monetary) As Of Debit ifrs-full:Cash
1473 Net debt Concept (Monetary) As Of Credit ifrs-full:NetDebt
1474 Equity Abstract ifrs-full:EquityAbstract
1475 Total equity Concept (Monetary) As Of Credit ifrs-full:Equity
1476 Ratio of Total liabilities minus Cash and cash equivalents, divided by Shareholders'equity: Concept (Pure) For Period inxn:NetDebtToEquityRatio
1477 1128 - Disclosure - Share-based Payments - Schedule of Terms and Conditions of Grants Under Option Plans (Detail) Network

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*

 http://imetrix.edgar-online.com/taxonomy/role/DisclosureSharebasedPaymentsScheduleOfTermsAndConditionsOfGrantsUnderOptionPlans
1478 Disclosure of terms and conditions of share-based payment arrangement [table] Table

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1479 Range [axis] Axis ifrs-full:RangeAxis
1480 Ranges [member] Member ifrs-full:RangesMember
1481 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
1482 Top of range [member] Member ifrs-full:TopOfRangeMember
1483 Defined benefit plans [axis] Axis ifrs-full:DefinedBenefitPlansAxis
1484 Defined benefit plans [member] Member ifrs-full:DefinedBenefitPlansMember
1485 2011 and 2013 Option Plans [member] Member inxn:TwoThousandElevenAndTwoThousandThirteenOptionPlansMember
1486 Redesignation [axis] Axis ifrs-full:RedesignationAxis
1487 Redesignated [member] Member ifrs-full:RedesignatedMember
1488 Executive Director [member] Member inxn:ExecutiveDirectorMember
1489 Senior employees [member] Member inxn:SeniorEmployeesMember
1490 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
1491 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
1492 Grant date 2011 [member] Member inxn:GrantDateTwoThousandElevenMember
1493 Grant date 2012 [member] Member inxn:GrantDateTwoThousandTwelveMember
1494 Grant date 2013 [member] Member inxn:GrantDateTwoThousandThirteenMember
1495 Grant date 2014 [member] Member inxn:GrantDateTwoThousandFourteenMember
1496 Grant date 2015 [member] Member inxn:GrantDateTwoThousandFifteenMember
1497 Grant date 2016 [member] Member inxn:GrantDateTwoThousandSixteenMember
1498 Grant date 2017 [member] Member inxn:GrantDateTwoThousandSeventeenMember
1499 Disclosure of terms and conditions of share-based payment arrangement [line items] LineItems ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
1500 Exercise price Concept (Monetary) As Of ifrs-full:ExercisePriceOfOutstandingShareOptions
1501 Outstanding Concept (Decimal) As Of ifrs-full:NumberOfOutstandingShareOptions
1502 Exercisable Concept (Decimal) As Of ifrs-full:NumberOfShareOptionsExercisableInSharebasedPaymentArrangement
1503 1129 - Disclosure - Share-Based Payments - Additional Information (Detail) Network

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*

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1504 Disclosure of share based payments [Table] Table

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*

 inxn:DisclosureOfSharebasedPaymentsTable
1505 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
1506 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
1507 Restricted shares [member] Member inxn:RestrictedSharesMember
1508 2015 Annual General Meeting [member] Member inxn:TwoThousandFifteenAnnualGeneralMeetingMember
1509 Two Thousand Fifteen Performance Share Awards [Member] Member inxn:TwoThousandFifteenPerformanceShareAwardsMember
1510 Two thousand seventeen annual general meeting [member] Member inxn:TwoThousandSeventeenAnnualGeneralMeetingMember
1511 Share based payment arrangements [member] Member inxn:CashSettledShareBasedPaymentArrangementsMember
1512 Two thousand eighteen annual general meeting [member] Member inxn:TwoThousandEighteenAnnualGeneralMeetingMember
1513 Redesignation [axis] Axis ifrs-full:RedesignationAxis
1514 Redesignated [member] Member ifrs-full:RedesignatedMember
1515 Non-executive directors [member] Member inxn:NonExecutiveDirectorsMember
1516 Key management and Executive Director [member] Member inxn:KeyManagementAndExecutiveDirectorMember
1517 Executive Director [member] Member inxn:ExecutiveDirectorMember
1518 M.V. Josh Joshi [member] Member inxn:MVJoshJoshiMember
1519 Key management [member] Member ifrs-full:KeyManagementPersonnelOfEntityOrParentMember
1520 Defined benefit plans [axis] Axis ifrs-full:DefinedBenefitPlansAxis
1521 Defined benefit plans [member] Member ifrs-full:DefinedBenefitPlansMember
1522 2013 option plan [member] Member inxn:TwoThousandThirteenOptionPlanMember
1523 Performance shares [member] Member inxn:PerformanceShares1Member
1524 2017 Plan [member] Member inxn:TwoThousandAndSeventeenPlanMember
1525 Two thousand and sixteen plan [member] Member inxn:TwoThousandAndSixteenPlanMember
1526 Non-adjusting events after reporting period [axis] Axis ifrs-full:NonadjustingEventsAfterReportingPeriodAxis
1527 Non-adjusting events after reporting period [member] Member ifrs-full:NonadjustingEventsMember
1528 Events after reporting period [Member] Member inxn:EventsAfterReportingPeriodMember
1529 Classes of share capital [axis] Axis ifrs-full:ClassesOfShareCapitalAxis
1530 Share capital [member] Member ifrs-full:ClassesOfShareCapitalMember
1531 Performance shares [member] Member inxn:PerformanceShares1Member
1532 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1533 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1534 Key management [member] Member ifrs-full:KeyManagementPersonnelOfEntityOrParentMember
1535 Key management and Executive Director [member] Member inxn:KeyManagementAndExecutiveDirectorMember
1536 Maturity [axis] Axis ifrs-full:MaturityAxis
1537 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1538 First Installment [member] Member inxn:FirstInstallmentMember
1539 Second Installment [member] Member inxn:SecondInstallmentMember
1540 Disclosure of share based payments [line items] LineItems inxn:DisclosureOfShareBasedPaymentsLineItems
1541 Share option vesting period Concept (Text/String) For Period inxn:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod2
1542 Share option exercise period Concept (Decimal) For Period ifrs-full:DescriptionOfOptionLifeShareOptionsGranted
1543 Vesting percentage after one year Concept (Percent) For Period inxn:VestingPercentageAfterOneYearInSharebasedPaymentArrangement
1544 Vesting percentage quarterly Concept (Percent) For Period inxn:VestingPercentageQuarterlyInSharebasedPaymentArrangement
1545 Number of restricted shares granted Concept (Decimal) For Period ifrs-full:NumberOfInstrumentsOtherEquityInstrumentsGranted
1546 Number of shares granted each Concept (Decimal) As Of ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
1547 Number of shares cancelled due to resignation Concept (Decimal) For Period ifrs-full:NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement
1548 Number of person resigned Concept (Integer) For Period inxn:NumberOfPersonResigned
1549 Number of restricted shares vested Concept (Decimal) For Period ifrs-full:NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement
1550 Number of shares granted value Concept (Monetary) As Of Credit ifrs-full:WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsGranted
1551 Final performance share award Concept (Shares) For Period inxn:NumberOfPerformanceSharesAwarded
1552 Percentage of performance shares awarded Concept (Percent) As Of inxn:PercentageOfPerformanceSharesAwarded
1553 Number of performance shares vested Concept (Shares) As Of inxn:NumberOfPerformanceSharesVested
1554 Percentage of performance share adjusted for new plan Concept (Percent) For Period inxn:AdjustmentsForPerformanceSharePercentage
1555 Number of shares adjusted for new plan Concept (Shares) For Period inxn:AdjustmentInNumberOfSharesForPerformanceShare
1556 Percentage of performance shares vested Concept (Percent) For Period inxn:PercentageOfPerformanceSharesVested
1557 Number of other equity instruments expected to vest in share-based payment arrangement Concept (Decimal) For Period inxn:NumberOfOtherEquityInstrumentsExpectedToVestInSharebasedPaymentArrangement
1558 Percentage of performance shares awarded remaining balance Concept (Percent) As Of inxn:PercentageOfPerformanceSharesAwardedRemainingBalance
1559 Number of performance shares awarded reaming Concept (Shares) As Of inxn:NumberOfPerformanceSharesRemainingBalance
1560 Number of actual performance shares awarded Concept (Shares) For Period inxn:NumberOfActualPerformanceSharesAwarded
1561 Number of performance shares awarded forfeited Concept (Shares) As Of inxn:NumberOfPerformanceSharesForfeited
1562 Number of conditional performance shares awarded Concept (Shares) For Period inxn:NumberOfConditionalPerformanceSharesAwarded
1563 Number of outstanding restricted shares to be vest Concept (Decimal) As Of ifrs-full:NumberOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement
1564 Share option vesting percentage Concept (Percent) For Period inxn:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage1
1565 Weighted average remaining contractual life Concept (Decimal) As Of ifrs-full:WeightedAverageRemainingContractualLifeOfOutstandingShareOptions
1566 Employee benefits expense Concept (Monetary) For Period Debit ifrs-full:EmployeeBenefitsExpense
1567 Share based payments related to taxes and social security Concept (Monetary) As Of Credit inxn:ShareBasedPaymentsRelatedToTaxesAndSocialSecurity
1568 Expected volatility of share performance period Concept (xbrli:durationItemType) For Period inxn:DescriptionOfExpectedLifeOtherEquityInstrumentsGranted
1569 One-year holding discount used as input for the performance share valuation in the Monte Carlo valuation model Concept (Percent) As Of inxn:HoldingDiscountRate
1570 1130 - Disclosure - Share-based Payments - Schedule of Number and Weighted Average Exercise Price of Share Options Outstanding (Detail) Network

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1571 Disclosure of share based payments [Table] Table

*

*

 inxn:DisclosureOfSharebasedPaymentsTable
1572 Defined benefit plans [axis] Axis ifrs-full:DefinedBenefitPlansAxis
1573 Defined benefit plans [member] Member ifrs-full:DefinedBenefitPlansMember
1574 2008 Option Plan [member] Member inxn:TwoThousandEightOptionPlanMember
1575 2011 and 2013 Option Plans [member] Member inxn:TwoThousandElevenAndTwoThousandThirteenOptionPlansMember
1576 Disclosure of sharebased payment [line items] LineItems inxn:DisclosureOfSharebasedPaymentLineItems
1577 Weighted average exercise price outstanding at 1 January Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement
1578 Weighted average exercise price granted Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement
1579 Weighted average exercise price exercised Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement
1580 Weighted average exercise price expired Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsExpiredInSharebasedPaymentArrangement
1581 Weighted average exercise price forfeited Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement
1582 Weighted average exercise price outstanding - 31 December Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement
1583 Weighted average exercise price exercisable - 31 December Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement
1584 Number of options outstanding at 1 January Concept (Decimal) As Of ifrs-full:NumberOfOutstandingShareOptions
1585 Number of options granted Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsGrantedInSharebasedPaymentArrangement
1586 Number of options exercised Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsExercisedInSharebasedPaymentArrangement
1587 Number of options expired Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsExpiredInSharebasedPaymentArrangement
1588 Number of options forfeited Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement
1589 Number of options outstanding - 31 December Concept (Decimal) As Of ifrs-full:NumberOfOutstandingShareOptions
1590 Number of options exercisable - 31 December Concept (Decimal) As Of ifrs-full:NumberOfShareOptionsExercisableInSharebasedPaymentArrangement
1591 1131 - Disclosure - Share-based Payments - Schedule of Number and Weighted Average Fair Value of Restricted Shares (Detail) Network

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1592 Disclosure of share based payments [Table] Table

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*

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1593 Classes of share capital [axis] Axis ifrs-full:ClassesOfShareCapitalAxis
1594 Share capital [member] Member ifrs-full:ClassesOfShareCapitalMember
1595 Restricted shares [member] Member inxn:RestrictedSharesMember
1596 Disclosure of sharebased payment [line items] LineItems inxn:DisclosureOfSharebasedPaymentLineItems
1597 Number of shares, opening balance Concept (Decimal) As Of ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
1598 Number of shares, granted Concept (Decimal) For Period ifrs-full:NumberOfInstrumentsOtherEquityInstrumentsGranted
1599 Number of shares, vested Concept (Decimal) For Period ifrs-full:NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement
1600 Number of shares, forfeited Concept (Decimal) For Period ifrs-full:NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement
1601 Number of shares, ending balance Concept (Decimal) As Of ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
1602 Weighted average grant date value, opening balance Concept (Monetary) For Period inxn:WeightedAverageGrantDateFairValuePerShareOtherEquityInstrumentsBeginningBalance
1603 Weighted average grant date value, granted Concept (Monetary) For Period inxn:WeightedAverageGrantDateFairValuePerShareOtherEquityInstrumentsGranted
1604 Weighted average grant date value, vested Concept (Monetary) For Period inxn:WeightedAverageGrantDateFairValuePerShareOtherEquityInstrumentsVested
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1606 Weighted average grant date value, ending balance Concept (Monetary) As Of inxn:WeightedAverageGrantDateFairValuePerShareOtherEquityInstrumentsEndingBalance
1607 1132 - Disclosure - Share-based Payments - Schedule of Number and Weighted Average Fair Value of Performance Shares (Detail) Network

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1608 Disclosure of share based payments [Table] Table

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1614 Number of shares, granted Concept (Decimal) For Period ifrs-full:NumberOfInstrumentsOtherEquityInstrumentsGranted
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1617 Number of shares, ending balance Concept (Decimal) As Of ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
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1620 Weighted average grant date value, vested Concept (Monetary) For Period inxn:WeightedAverageGrantDateFairValuePerShareOtherEquityInstrumentsVested
1621 Weighted average grant date value, forfeited Concept (Monetary) For Period inxn:WeightedAverageGrantDateFairValuePerShareOtherEquityInstrumentsForfeited
1622 Weighted average grant date value, ending balance Concept (Monetary) As Of inxn:WeightedAverageGrantDateFairValuePerShareOtherEquityInstrumentsEndingBalance
1623 1133 - Disclosure - Share-based Payments - Schedule of Weighted Average Fair Value Grant Date of Options Granted During Period Using Black-Scholes Valuation Model (Detail) Network

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1624 Disclosure of share based payments [Table] Table

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1627 Black-Scholes valuation model [member] Member ifrs-full:OptionPricingModelMember
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1630 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
1631 Top of range [member] Member ifrs-full:TopOfRangeMember
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1633 Share price in € at grant date (post reverse stock split) Concept (Monetary) For Period ifrs-full:WeightedAverageSharePriceShareOptionsGranted
1634 Exercise price in € (post-reverse stock split) Concept (Monetary) For Period ifrs-full:ExercisePriceShareOptionsGranted
1635 Dividend yield Concept (Percent) For Period ifrs-full:ExpectedDividendAsPercentageShareOptionsGranted
1636 Expected volatility Concept (Percent) For Period ifrs-full:DescriptionOfExpectedVolatilityShareOptionsGranted
1637 Risk-free interest rate Concept (Percent) For Period ifrs-full:DescriptionOfRiskFreeInterestRateShareOptionsGranted
1638 Expected life weighted average Concept (Decimal) For Period ifrs-full:DescriptionOfOptionLifeShareOptionsGranted
1639 1134 - Disclosure - Business Combinations - Additional Information (Detail) Network

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1640 Disclosure of detailed information about business combination [table] Table

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1643 Vancis BV [member] Member inxn:VancisBVMember
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1645 Percentage of shares acquired Concept (Percent) As Of ifrs-full:PercentageOfVotingEquityInterestsAcquired
1646 Total consideration of cash paid Concept (Monetary) As Of Credit ifrs-full:CashTransferred
1647 M&A transaction costs Concept (Monetary) For Period Debit ifrs-full:AcquisitionrelatedCostsRecognisedAsExpenseForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination
1648 Revenue contribution Concept (Monetary) For Period Credit ifrs-full:RevenueOfAcquiree
1649 Contribution to net income Concept (Monetary) For Period Credit ifrs-full:ProfitLossOfAcquiree
1650 Consolidated revenue Concept (Monetary) For Period Credit ifrs-full:RevenueOfCombinedEntity
1651 Consolidated net income Concept (Monetary) For Period Credit ifrs-full:ProfitLossOfCombinedEntity
1652 1135 - Disclosure - Business Combinations - Summary of Purchase Price Allocation for Acquisition (Detail) Network

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1653 Disclosure of detailed information about business combination [table] Table

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*

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1657 Disclosure of detailed information about business combination [line items] LineItems ifrs-full:DisclosureOfBusinessCombinationsLineItems
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1659 Trade receivables Concept (Monetary) As Of Debit inxn:TradeReceivablesRecognisedAsOfAcquisitionDate
1660 Other current assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssetsRecognisedAsOfAcquisitionDate
1661 Trade payables and other liabilities Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherPayablesRecognisedAsOfAcquisitionDate
1662 Provisions Concept (Monetary) As Of Credit inxn:ProvisionsRecognisedAsOfAcquisitionDate
1663 Goodwill Concept (Monetary) As Of Debit inxn:GoodwillRecognisedAsOfAcquisitionDate
1664 Customer portfolio Concept (Monetary) As Of Debit ifrs-full:CustomerrelatedIntangibleAssetsRecognisedAsOfAcquisitionDate
1665 Deferred taxes Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilitiesRecognisedAsOfAcquisitionDate
1666 Total purchase price Concept (Monetary) As Of Credit ifrs-full:AcquisitiondateFairValueOfTotalConsiderationTransferred
1667 1136 - Disclosure - Business Combinations - Summary of Purchase Price Allocation for Acquisition (Parenthetical) (Detail) Network

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1668 Disclosure of detailed information about business combination [table] Table

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*

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1673 Contractual gross amounts included in trade and other receivables Concept (Monetary) As Of Debit ifrs-full:GrossContractualAmountsReceivableForAcquiredReceivables
1674 1137 - Disclosure - Financial Commitments - Summary of Future Minimum Commitments for (Non-)cancellable Operating Leases (Detail) Network

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1675 Disclosure of future minimum commitments for non cancellable operating lease [Table] Table

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*

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1676 Maturity [axis] Axis ifrs-full:MaturityAxis
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1678 Within one year [member] Member ifrs-full:NotLaterThanOneYearMember
1679 Between 1 and 5 years [member] Member ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember
1680 After 5 years [member] Member ifrs-full:LaterThanFiveYearsMember
1681 Disclosure of future minimum commitments for non cancellable operating lease [line items] LineItems inxn:DisclosureOfFutureMinimumCommitmentsForNonCancellableOperatingLeaseLineItems
1682 Future minimum commitments for (non-)cancellable operating leases Concept (Monetary) As Of Credit ifrs-full:MinimumLeasePaymentsPayableUnderNoncancellableOperatingLease
1683 1138 - Disclosure - Financial Commitments - Additional Information (Detail) Network

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1684 Implied Table Table

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1685 Disclosure of other commitment [Abstract] Abstract inxn:DisclosureOfOtherCommitmentAbstract
1686 Gross operating lease expense Concept (Monetary) For Period Debit inxn:GrossOperatingLeaseExpenses
1687 Other commitments Concept (Monetary) As Of Credit inxn:OtherCommitments
1688 1139 - Disclosure - Financial Commitments - Summary of Contracts With Customers for Future Committed Revenue Receivable (Detail) Network

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1689 Disclosure of future committed revenue receivable [Table] Table

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1693 Between 1 and 5 years [member] Member ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember
1694 After 5 years [member] Member ifrs-full:LaterThanFiveYearsMember
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1696 Future committed revenue receivable Concept (Monetary) As Of Credit inxn:FutureCommittedRevenueReceivable
1697 1140 - Disclosure - Financial Commitments - Summary of Non-cancellable Energy Purchase Commitments (Detail) Network

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1698 Disclosure of commitments to purchase energy [Table] Table

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1704 Non-cancellable energy purchase commitments Concept (Monetary) As Of Credit ifrs-full:PayablesForPurchaseOfEnergy
1705 1141 - Disclosure - Capital Commitments - Additional Information (Detail) Network

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1706 Implied Table Table

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1707 Capital commitments [abstract] Abstract ifrs-full:CapitalCommitmentsAbstract
1708 Outstanding capital commitments Concept (Monetary) As Of Credit ifrs-full:CapitalCommitments
1709 1142 - Disclosure - Contingencies - Additional Information (Detail) Network

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*

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1710 Disclosure of contingent liabilities [table] Table

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1711 Property, plant and equipment by operating lease status [axis] Axis ifrs-full:PropertyPlantAndEquipmentByOperatingLeaseStatusAxis
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1713 Property, plant and equipment subject to operating leases [member] Member ifrs-full:PropertyPlantAndEquipmentSubjectToOperatingLeasesMember
1714 Classes of contingent liabilities [axis] Axis ifrs-full:ClassesOfContingentLiabilitiesAxis
1715 Contingent liabilities [member] Member ifrs-full:ContingentLiabilitiesMember
1716 Contingent liability for decommissioning, restoration and rehabilitation costs [member] Member ifrs-full:ContingentLiabilityForDecommissioningRestorationAndRehabilitationCostsMember
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1723 Leasehold improvements [member] Member ifrs-full:LeaseholdImprovementsMember
1724 Continuing involvement in derecognised financial assets by type of instrument [axis] Axis ifrs-full:ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentAxis
1725 Types of instrument [member] Member ifrs-full:TypesOfInstrumentMember
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1728 Financial guarantees in respect of leases Concept (Monetary) For Period Debit ifrs-full:ContingentRentsRecognisedAsExpense
1729 Guarantee on third party's future payments Concept (Monetary) As Of Credit ifrs-full:FutureFinanceChargeOnFinanceLease
1730 Other guarantees Concept (Monetary) For Period Debit inxn:OtherGuaranteesGranted
1731 Recognized provision for site restoration Concept (Monetary) As Of Debit ifrs-full:DiscountedUnguaranteedResidualValueOfAssetsSubjectToFinanceLease
1732 Possible site restoration liability Concept (Monetary) As Of ifrs-full:EstimatedFinancialEffectOfContingentLiabilities
1733 1143 - Disclosure - Related-party Transactions - Summary of Total Compensation of Key Management (Detail) Network

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1734 Disclosure of transactions between related parties [table] Table

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*

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1740 Post-employment benefits Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationPostemploymentBenefits
1741 Share-based payments Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationSharebasedPayment
1742 Total Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensation
1743 1144 - Disclosure - Related-party Transactions - Summary of Compensation of Executive Director and Non-executive Directors of the Board (Detail) Network

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1744 Disclosure of transactions between related parties [table] Table

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*

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1745 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1746 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1747 Remuneration of the Executive Director and the Non-executive Directors of the Board [member] Member inxn:RemunerationOfTheExecutiveDirectorAndTheNonexecutiveDirectorsOfTheBoardMember
1748 Separate management entities [axis] Axis ifrs-full:SeparateManagementEntitiesAxis
1749 Separate management entities [member] Member ifrs-full:SeparateManagementEntitiesMember
1750 D.C. Ruberg [member] Member inxn:DCRubergMember
1751 F. Esser [member] Member inxn:FEsserMember
1752 M. Heraghty [member] Member inxn:MHeraghtyMember
1753 J.F.H.P. Mandeville [member] Member inxn:JFHPMandevilleMember
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1760 Share- based payment charges Concept (Monetary) For Period Debit ifrs-full:ExpenseFromSharebasedPaymentTransactionsWithEmployees
1761 Total Concept (Monetary) For Period Debit ifrs-full:DirectorsRemunerationExpense
1762 1145 - Disclosure - Related-party Transactions - Summary of Compensation of Executive Director and Non-executive Directors of the Board (Parenthetical) (Detail) Network

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1763 Disclosure of transactions between related parties [table] Table

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*

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1765 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
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1767 Separate management entities [axis] Axis ifrs-full:SeparateManagementEntitiesAxis
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1772 Percentage of performance bonus Concept (Percent) For Period inxn:PercentageOfPerformanceBonus
1773 Awarded amount included in salary Concept (Monetary) For Period Debit inxn:AdditionalAwardedAmountIncludesInSalaries
1774 1146 - Disclosure - Related-party Transactions - Additional Informational (Detail) Network

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1775 Disclosure of transactions between related parties [table] Table

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1779 Long-term incentive plan [member] Member inxn:LongtermIncentivePlanMember
1780 2017 plan [member] Member inxn:TwoThousandSeventeenPlanMember
1781 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
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1784 Executive Director [member] Member inxn:ExecutiveDirectorMember
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1808 Target cash bonus percentage of base salary Concept (Percent) For Period inxn:PercentageOfTargetCashBonus
1809 Maximum pay-out opportunity percentage of target cash bonus Concept (Percent) For Period inxn:PercentageOfMaximumPayoutOpportunity
1810 Percentage of annual conditional performance share awards Concept (Percent) For Period inxn:PercentageOfAnnualConditionalPerformanceShareAwards
1811 TSR performance period Concept (xbrli:durationItemType) For Period inxn:TSRPerformancePeriod
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1821 Adjusted EBITDA margin Concept (Percent) For Period inxn:AdjustedEbitdaMarginRate
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1823 Number of other equity instruments expected to vest in share-based payment arrangement Concept (Decimal) For Period inxn:NumberOfOtherEquityInstrumentsExpectedToVestInSharebasedPaymentArrangement
1824 1147 - Disclosure - Related-party Transactions - Disclosure of Performance Achievement Measures to Determine Pay-Out of Cash Bonus (Detail) Network

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1825 Disclosure of transactions between related parties [table] Table

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1837 Individual Performance Objectives Concept (Percent) For Period inxn:PayoutOfCashBonusAsPercentageOfIndividualPerformanceObjectives
1838 Pay-out as % of at target cash bonus Concept (Percent) For Period inxn:PayoutOfCashBonusAsPercentageOfTargetCashBonus
1839 1148 - Disclosure - Related-party Transactions - Summary of Performance/Pay-Out (Detail) Network

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1840 Disclosure of transactions between related parties [table] Table

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1844 TSR Performance of S&P SmallCap 600 Constituents, 50th Percentile [member] Member inxn:TSRPerformanceOfSAndPSmallCapSixHundredConstituentsFiftiethPercentileMember
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1847 Disclosure of transactions between related parties [line items] LineItems ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
1848 Adjustment to the number of Performance Shares conditionally awarded Concept (Pure) For Period inxn:AdjustmentToNumberOfPerformanceSharesConditionallyAwarded
1849 1149 - Disclosure - Related-party Transactions - Summary of Potential Compensation Pay-Outs (Detail) Network

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1850 Disclosure of terms and conditions of share-based payment arrangement [table] Table

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1875 1151 - Disclosure - Related-party Transactions - Summary of Performance Targets and Achievement Against Targets (Detail) Network

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1904 Disclosure of terms and conditions of share-based payment arrangement [table] Table

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1909 TSR Performance of S&P SmallCap 600 Constituents, 75th [member] Member inxn:TSRPerformanceOfSAndPSmallCapSixHundredConstituentsSeventyFifthPercentileMember
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1922 Number of performance shares awarded Concept (Shares) For Period inxn:NumberOfPerformanceSharesAwarded
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1925 Disclosure of terms and conditions of share-based payment arrangement [table] Table

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1934 1155 - Disclosure - Events Subsequent to the Balance Sheet Date - Additional Information (Detail) Network

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