CPFL Energy INC (SEC Filing Page | XBRL Cloud Viewer | XBRL Instance)

Line Label Object Class Period Type Balance Report ElementName
1 00000001 - Document - Document and Entity Information Network

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 http://cpfl.riweb.com.br/role/DocumentAndEntityInformation
2 Implied Table Table

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3 Document And Entity Information Abstract cpl:DocumentAndEntityInformationAbstract
4 Entity Registrant Name Concept (Text/String) For Period dei:EntityRegistrantName
5 Entity Central Index Key Concept (CIK Number) For Period dei:EntityCentralIndexKey
6 Document Type Concept (Submission Type) For Period dei:DocumentType
7 Trading Symbol Concept (Text/String) For Period dei:TradingSymbol
8 Document Period End Date Concept (Date) For Period dei:DocumentPeriodEndDate
9 Amendment Flag Concept (Yes/No) For Period dei:AmendmentFlag
10 Current Fiscal Year End Date Concept (Month/Day) For Period dei:CurrentFiscalYearEndDate
11 Entity a Well-known Seasoned Issuer Concept (Yes/No) For Period dei:EntityWellKnownSeasonedIssuer
12 Entity a Voluntary Filer Concept (Yes/No) For Period dei:EntityVoluntaryFilers
13 Entity's Reporting Status Current Concept (Yes/No) For Period dei:EntityCurrentReportingStatus
14 Entity Filer Category Concept (Filer Category) For Period dei:EntityFilerCategory
15 Entity Emerging Growth Company Concept (Yes/No) For Period dei:EntityEmergingGrowthCompany
16 Entity Shell Company Concept (Yes/No) For Period dei:EntityShellCompany
17 Entity Common Stock, Shares Outstanding Concept (Shares) As Of dei:EntityCommonStockSharesOutstanding
18 Document Fiscal Period Focus Concept (Fiscal Period) For Period dei:DocumentFiscalPeriodFocus
19 Document Fiscal Year Focus Concept (Year) For Period dei:DocumentFiscalYearFocus
20 00000002 - Statement - CONSOLIDATED STATEMENTS OF FINANCIAL POSITION Network

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 http://cpfl.riweb.com.br/role/ConsolidatedStatementsOfFinancialPosition
21 Implied Table Table

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22 Statement of financial position [abstract] Abstract ifrs-full:StatementOfFinancialPositionAbstract
23 ASSETS Abstract ifrs-full:AssetsAbstract
24 CURRENT ASSETS Abstract ifrs-full:CurrentAssetsAbstract
25 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
26 Consumers, concessionaires and licensees Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherCurrentReceivables
27 Dividend and interest on capital Concept (Monetary) As Of Debit cpl:DividendAndInterestOnCapitalCurrent1
28 Income tax and social contribution recoverable Concept (Monetary) As Of Debit cpl:IncomeTaxAndSocialContributionRecoverableCurrent
29 Other taxes recoverable Concept (Monetary) As Of Debit ifrs-full:CurrentTaxAssetsCurrent
30 Derivatives Concept (Monetary) As Of Debit ifrs-full:CurrentDerivativeFinancialAssets
31 Sector financial asset Concept (Monetary) As Of Debit cpl:SectorFinancialAssetCurrentAssets
32 Concession financial asset Concept (Monetary) As Of Debit cpl:CurrentConcessionFinancialAssets
33 Other assets Concept (Monetary) As Of Debit ifrs-full:OtherCurrentReceivables
34 TOTAL CURRENT ASSETS Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
35 NONCURRENT ASSETS Abstract ifrs-full:NoncurrentAssetsAbstract
36 Consumers, concessionaires and licensees Concept (Monetary) As Of Debit ifrs-full:NoncurrentTradeReceivables
37 Associates, subsidiaries and parent company Concept (Monetary) As Of Debit cpl:InvestmentsInSubsidiariesJointVenturesAndAssociate
38 Escrow deposits Concept (Monetary) As Of Debit cpl:EscrowDeposits
39 Income tax and social contribution recoverable Concept (Monetary) As Of Debit cpl:IncomeTaxAndSocialContributionRecoverableNoncurrent
40 Other taxes recoverable Concept (Monetary) As Of Debit ifrs-full:CurrentTaxAssetsNoncurrent
41 Sector financial assets Concept (Monetary) As Of Debit cpl:SectorFinancialAssetNoncurrentAssets
42 Derivatives Concept (Monetary) As Of Debit ifrs-full:DerivativeFinancialAssets
43 Deferred tax assets Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
44 Concession financial asset Concept (Monetary) As Of Debit cpl:NoncurrentConcessionFinancialAssets
45 Investments at cost Concept (Monetary) As Of Debit cpl:InvestmentAccountedForUsingEquityMethodNoncurrent
46 Other assets Concept (Monetary) As Of Debit ifrs-full:OtherNoncurrentReceivables
47 Investments Concept (Monetary) As Of Debit ifrs-full:InvestmentAccountedForUsingEquityMethod
48 Property, plant and equipment Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
49 Contract asset - in progress Concept (Monetary) As Of Debit ifrs-full:NoncurrentContractAssets
50 Intangible assets Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsAndGoodwill
51 TOTAL NONCURRENT ASSETS Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssets
52 TOTAL ASSETS Concept (Monetary) As Of Debit ifrs-full:Assets
53 LIABILITIES AND EQUITY Abstract ifrs-full:EquityAndLiabilitiesAbstract
54 CURRENT LIABILITIES Abstract ifrs-full:CurrentLiabilitiesAbstract
55 Trade payables Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayables
56 Borrowings Concept (Monetary) As Of Credit ifrs-full:ShorttermBorrowings
57 Debentures Concept (Monetary) As Of Credit ifrs-full:NotesAndDebenturesIssued
58 Private pension plan Concept (Monetary) As Of Credit ifrs-full:LiabilityAssetOfDefinedBenefitPlans
59 Regulatory charges Concept (Monetary) As Of Credit cpl:CurrentRegulatoryCharges
60 Income tax and social contribution payable Concept (Monetary) As Of Credit cpl:IncomeTaxAndSocialContributionPayableCurrent
61 Other taxes, fees and contributions Concept (Monetary) As Of Credit ifrs-full:CurrentTaxLiabilitiesCurrent
62 Dividends Concept (Monetary) As Of Credit ifrs-full:CurrentDividendPayables
63 Estimated payroll Concept (Monetary) As Of Credit cpl:CurrentEstimatedPayroll
64 Derivatives Concept (Monetary) As Of Credit ifrs-full:CurrentDerivativeFinancialLiabilities
65 Sector financial liability Concept (Monetary) As Of Credit cpl:SectorFinancialLiability
66 Use of public asset Concept (Monetary) As Of Credit cpl:CurrentUseOfPublicAsset
67 Other payables Concept (Monetary) As Of Credit ifrs-full:OtherCurrentPayables
68 TOTAL CURRENT LIABILITIES Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
69 NONCURRENT LIABILITIES Abstract ifrs-full:NoncurrentLiabilitiesAbstract
70 Trade payables Concept (Monetary) As Of Credit ifrs-full:NoncurrentPayables
71 Borrowings Concept (Monetary) As Of Credit ifrs-full:LongtermBorrowings
72 Debentures Concept (Monetary) As Of Credit cpl:NoncurrentDebentures
73 Private pension plan Concept (Monetary) As Of Credit cpl:LiabilityAssetOfDefinedBenefitPlan
74 Other taxes, fees and contributions Concept (Monetary) As Of Credit ifrs-full:CurrentTaxLiabilitiesNoncurrent
75 Deferred tax liabilities Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
76 Provision for tax, civil and labor risks Concept (Monetary) As Of Credit ifrs-full:LegalProceedingsProvision
77 Derivatives Concept (Monetary) As Of Credit ifrs-full:NoncurrentDerivativeFinancialLiabilities
78 Sector financial liability Concept (Monetary) As Of Credit cpl:NoncurrentFinancialLiabilitie
79 Use of public asset Concept (Monetary) As Of Credit cpl:NoncurrentUseOfPublicAsset
80 Other payables Concept (Monetary) As Of Credit ifrs-full:OtherNoncurrentPayables
81 TOTAL NONCURRENT LIABILITIES Concept (Monetary) As Of Credit ifrs-full:NoncurrentLiabilities
82 EQUITY Abstract ifrs-full:EquityAbstract
83 Issued capital Concept (Monetary) As Of Credit ifrs-full:IssuedCapital
84 Capital reserves Concept (Monetary) As Of Credit ifrs-full:CapitalReserve
85 Legal reserve Concept (Monetary) As Of Credit cpl:LegalReserve
86 Statutory reserve - concession financial asset Concept (Monetary) As Of Credit cpl:StatutoryReserves
87 Statutory reserve - working capital improvement Concept (Monetary) As Of Credit cpl:StatutoryReserveForWorkingCapitalImprovement
88 Accumulated other comprehensive income Concept (Monetary) As Of Credit ifrs-full:AccumulatedOtherComprehensiveIncome
89 Total shareholders' equity attributable to owners of the Company Concept (Monetary) As Of Credit ifrs-full:EquityAttributableToOwnersOfParent
90 Equity attributable to noncontrolling interests Concept (Monetary) As Of Credit ifrs-full:NoncontrollingInterests
91 TOTAL EQUITY Concept (Monetary) As Of Credit ifrs-full:Equity
92 TOTAL LIABILITIES AND EQUITY Concept (Monetary) As Of Credit ifrs-full:EquityAndLiabilities
93 00000003 - Statement - CONSOLIDATED STATEMENTS OF INCOME Network

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 http://cpfl.riweb.com.br/role/ConsolidatedStatementsOfIncome
94 Implied Table Table

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95 Profit or loss [abstract] Abstract ifrs-full:IncomeStatementAbstract
96 NET OPERATING REVENUE Concept (Monetary) For Period Credit ifrs-full:Revenue
97 COST OF ELECTRIC ENERGY SERVICES Abstract cpl:ServicesExpenseAbstract
98 Cost of electric energy Concept (Monetary) For Period Debit cpl:CostOfElectricEnergy
99 Cost of operation Concept (Monetary) For Period Debit cpl:CostOfOperation
100 Cost of services rendered to third parties Concept (Monetary) For Period Debit cpl:CostOfSale
101 GROSS PROFIT Concept (Monetary) For Period Credit ifrs-full:GrossProfit
102 Operating expenses Abstract cpl:OperatingExpenseAbstract
103 Allowance for doubtful accounts Concept (Monetary) For Period Debit ifrs-full:ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
104 Other sales expenses Concept (Monetary) For Period Debit ifrs-full:SellingExpense
105 General and administrative expenses Concept (Monetary) For Period Debit ifrs-full:GeneralAndAdministrativeExpense
106 Other Operating Expense Concept (Monetary) For Period Debit cpl:OtherExpenseByFunctions
107 INCOME FROM ELECTRIC ENERGY SERVICES Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromOperatingActivities
108 Equity interests in associates and joint ventures Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
109 FINANCE INCOME (EXPENSES) Abstract cpl:FinanceIncomeCostsAbstract
110 Finance income Concept (Monetary) For Period Credit ifrs-full:FinanceIncome
111 Finance expenses Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
112 Finance income (expenses) Concept (Monetary) For Period Credit ifrs-full:FinanceIncomeCost
113 PROFIT BEFORE TAXES Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
114 Social contribution Concept (Monetary) For Period Debit cpl:SocialSecurityContribution
115 Income tax Concept (Monetary) For Period Debit cpl:IncomeTaxExpensesContinuingOperations
116 Total income tax and social contributions Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
117 PROFIT FOR THE YEAR Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
118 Profit attributable to the owners of the Company Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
119 Profit (loss) attributable to noncontrolling interests Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToNoncontrollingInterests
120 Earnings per share attributable to owners of the Company: Abstract ifrs-full:EarningsPerShareAbstract
121 Basic Concept (Share) For Period ifrs-full:BasicEarningsLossPerShare
122 Diluted Concept (Share) For Period ifrs-full:DilutedEarningsLossPerShare
123 00000004 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME Network

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 http://cpfl.riweb.com.br/role/ConsolidatedStatementsOfComprehensiveIncome
124 Implied Table Table

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125 Profit or loss [abstract] Abstract ifrs-full:IncomeStatementAbstract
126 Profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
127 Other comprehensive income Abstract ifrs-full:OtherComprehensiveIncomeAbstract
128 Items that will not be reclassified subsequently to profit and loss Abstract ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract
129 Actuarial gains (losses), net of tax effects Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans
130 Items that will be reclassified subsequently to profit or loss Abstract ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract
131 Credit risk in mark to market of financial liabilities Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability
132 Total Comprehensive income for the year Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
133 Attributable to owners of the Company Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent
134 Attributable to noncontrolling interests Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToNoncontrollingInterests
135 00000005 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY Network

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 http://cpfl.riweb.com.br/role/ConsolidatedStatementsOfChangesInShareholdersEquity
136 Statement of changes in equity [table] Table

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 ifrs-full:StatementOfChangesInEquityTable
137 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
138 Equity [member] Member ifrs-full:EquityMember
139 Issued capital Member ifrs-full:IssuedCapitalMember
140 Capital reserves Member ifrs-full:CapitalReserveMember
141 Earning reserves / Legal reserve Member ifrs-full:StatutoryReserveMember
142 Concession financial asset Member cpl:ConcessionFinancialAssetMember
143 Earning reserves / Statutory reserves / Working capital improvement Member cpl:WorkingCapitalImprovementMember
144 Earning reserves / Dividends Member cpl:DividendsMember
145 Accumulated comprehensive income / Deemed cost Member cpl:DeemedCostMember
146 Accumulated comprehensive income / Private pension plan Member cpl:PrivatePensionPlanMember
147 Retained earnings Member ifrs-full:RetainedEarningsMember
148 Total Member ifrs-full:EquityAttributableToOwnersOfParentMember
149 Noncontrolling interests / Accumulated comprehensive income Member ifrs-full:AccumulatedOtherComprehensiveIncomeMember
150 Noncontrolling interests / Other equity component Member ifrs-full:OtherEquityInterestMember
151 Statement of changes in equity [line items] LineItems ifrs-full:StatementOfChangesInEquityLineItems
152 Balance at beginning Concept (Monetary) As Of Credit ifrs-full:Equity
153 Total comprehensive income Abstract ifrs-full:OtherComprehensiveIncomeAbstract
154 Profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
155 Other comprehensive income - credit risk in mark to market of financial liabilities Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability
156 Effects of first adoption of IFRS 9 Concept (Monetary) For Period Credit cpl:EffectsOfAdoptionOfNewAccountingStandard
157 Other comprehensive income - actuarial gains Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans
158 Internal changes in shareholders' equity Abstract cpl:InternalChangesInEquityAbstract
159 Realization of deemed cost of property, plant and equipment Concept (Monetary) For Period Debit cpl:ChangesInDeemedCostOfPropertyPlantAndEquipment
160 Tax on realization of deemed cost Concept (Monetary) For Period Debit cpl:TaxOnRealizationOfDeemedCost
161 Recognition of legal reserve Concept (Monetary) For Period Credit cpl:IncreaseDecreaseRecognitionOfLegalReserve
162 Changes in statutory reserve in the year Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughTransferToStatutoryReserve
163 Other changes in noncontrolling interests Concept (Monetary) For Period Debit cpl:OtherChangesInNoncontrollingInterests
164 Capital transactions with owners Abstract cpl:CapitalTransactionsWithOwnersAbtract
165 Capital increase (reduction) Concept (Monetary) For Period Debit cpl:CapitalIncrease
166 Prescribed dividends Concept (Monetary) For Period Credit cpl:DividendProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwner
167 Interim dividends Concept (Monetary) For Period Debit ifrs-full:DividendsPaid
168 Additional dividend proposed Concept (Monetary) For Period Debit cpl:AdditionalProposedDividend
169 Additional dividend aproved Concept (Monetary) For Period Debit cpl:AdditionalDividendAproved
170 Dividend proposal approved Concept (Monetary) For Period Debit cpl:DividendProposalApproved
171 Dividend distributed to noncontrolling interests Concept (Monetary) For Period Debit cpl:DividendDistributedToNoncontrollingInterests
172 Capital increase in subsidiaries with no change in control Concept (Monetary) For Period Credit cpl:IssueOfEquities
173 Other changes Concept (Monetary) For Period Credit cpl:OtherCapitalTransactionChangesWithOwners
174 Balance at ending Concept (Monetary) As Of Credit ifrs-full:Equity
175 00000006 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS Network

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176 Implied Table Table

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177 Statement of cash flows [abstract] Abstract ifrs-full:StatementOfCashFlowsAbstract
178 OPERATING CASH FLOW Abstract ifrs-full:CashFlowsFromUsedInOperatingActivitiesAbstract
179 Profit before taxes Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
180 ADJUSTMENT TO RECONCILE PROFIT TO CASH FROM OPERATING ACTIVITIES Abstract ifrs-full:AdjustmentsForReconcileProfitLossAbstract
181 Depreciation and amortization Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDepreciationAndAmortisationExpense
182 Provision for tax, civil and labor risks Concept (Monetary) For Period Debit cpl:AdjustmentsForIncomeTaxExpenses
183 Allowance for doubtful accounts Concept (Monetary) For Period Debit cpl:AdjustmentForProvision
184 Interest on debts, inflation adjustment and exchange rate changes Concept (Monetary) For Period Debit cpl:IncreaseDecreaseInterestOnDebtsInflationAdjustmentAndExchangeRateChanges
185 Pension plan expense Concept (Monetary) For Period Debit cpl:IncreaseDecreasePensionPlanExpense
186 Equity interests in associates and joint ventures Concept (Monetary) For Period Credit cpl:AdjustmentForUndistributedProfitsOfAssociate
187 Impairment Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
188 Loss on disposal of noncurrent assets Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets
189 Deferred taxes (PIS and COFINS) Concept (Monetary) For Period Debit cpl:IncreaseDecreaseDeferredTaxes
190 Others Concept (Monetary) For Period Debit ifrs-full:OtherAdjustmentsToReconcileProfitLoss
191 Adjustments to reconcile profit (loss) Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForReconcileProfitLoss
192 DECREASE (INCREASE) IN OPERATING ASSETS Abstract cpl:IncreaseDecreaseDecreaseIncreaseInOperatingAssets
193 Consumers, concessionaires and licensees Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDecreaseIncreaseInTradeAccountReceivable
194 Dividends and interest on capital received Concept (Monetary) For Period Debit ifrs-full:DividendsReceivedClassifiedAsOperatingActivities
195 Taxes recoverable Concept (Monetary) For Period Debit cpl:AdjustmentsForTaxesRecoverable
196 Escrow deposits Concept (Monetary) For Period Debit cpl:IncreaseDecreaseEscrowDeposits
197 Sectorial financial asset Concept (Monetary) For Period Credit cpl:IncreaseDecreaseSectorialFinancialAsset
198 Receivables - amounts from the Energy Development Account - CDE / CCEE Concept (Monetary) For Period Credit cpl:IncreaseDecreaseReceivablesAmountsFromTheEnergyDevelopmentAccount
199 Concession financial assets (transmission companies) Concept (Monetary) For Period Credit cpl:IncreaseDecreaseConcessionFinancialAssetsTransmissionCompanies
200 Other operating assets Concept (Monetary) For Period Credit cpl:IncreaseDecreaseOtherOperatingAssets
201 INCREASE (DECREASE) IN OPERATING LIABILITIES Abstract cpl:IncreaseDecreaseIncreaseDecreaseInOperatingLiabilities
202 Trade payables Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForIncreaseDecreaseInTradeAccountPayable
203 Other taxes and social contributions Concept (Monetary) For Period Debit cpl:IncreaseDecreaseOtherTaxesAndSocialContributions
204 Other liabilities with private pension plan Concept (Monetary) For Period Debit cpl:IncreaseDecreaseOtherLiabilitiesWithPrivatePensionPlan
205 Regulatory charges Concept (Monetary) For Period Debit cpl:IncreaseDecreaseRegulatoryCharges
206 Tax, civil and labor risks paid Concept (Monetary) For Period Debit cpl:IncreaseDecreaseTaxCivilAndLaborRisksPaid
207 Sectorial financial liability Concept (Monetary) For Period Debit cpl:IncreaseDecreaseSectorialFinancialLiability
208 Payables - amounts provided by the CDE Concept (Monetary) For Period Debit cpl:IncreaseDecreasePayablesAmountsProvided
209 Other operating liabilities Concept (Monetary) For Period Debit cpl:IncreaseDecreaseOtherOperatingLiabilities
210 CASH FLOWS PROVIDED BY OPERATIONS Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperations
211 Interest paid on debts and debentures Concept (Monetary) For Period Credit ifrs-full:InterestPaidClassifiedAsOperatingActivities
212 Income tax and social contribution paid Concept (Monetary) For Period Credit ifrs-full:IncomeTaxesPaidRefundClassifiedAsOperatingActivities
213 NET CASH FROM OPERATING ACTIVITIES Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperatingActivities
214 INVESTING ACTIVITIES Abstract ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract
215 Price paid in business combination net of cash acquired Concept (Monetary) For Period Credit ifrs-full:CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities
216 Purchases of property, plant and equipment Concept (Monetary) For Period Credit ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
217 Purchases of contract asset - in progress Concept (Monetary) For Period Credit cpl:PurchaseOfContractAssetsClassifiedAsInvestingActivities
218 Purchases of intangible assets Concept (Monetary) For Period Credit ifrs-full:PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities
219 Securities, pledges and restricted deposits Concept (Monetary) For Period Credit cpl:PurchaseOfSecuritiesPledgesAndRestrictedDeposits
220 Capital increase in existing investees Concept (Monetary) For Period Credit cpl:OtherCashPaymentsToAcquireInterestsInJointVentureClassifiedAsInvestingActivitie
221 Sale of noncurrent assets Concept (Monetary) For Period Debit ifrs-full:ProceedsFromOtherLongtermAssetsClassifiedAsInvestingActivities
222 Intragroup loans Concept (Monetary) For Period Debit cpl:ProceedsFromIntragroupLoans
223 NET CASH USED IN INVESTING ACTIVITIES Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInInvestingActivities
224 FINANCING ACTIVITIES Abstract ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract
225 Capital increase by noncontrolling interests Concept (Monetary) For Period Debit cpl:ProceedFromIssuingShare
226 Borrowings and debentures raised Concept (Monetary) For Period Debit ifrs-full:ProceedsFromBorrowingsClassifiedAsFinancingActivities
227 Repayment of principal of borrowings and debentures Concept (Monetary) For Period Credit ifrs-full:RepaymentsOfBorrowingsClassifiedAsFinancingActivities
228 Repayment of derivatives Concept (Monetary) For Period Debit cpl:ProceedFromIssuingOtherEquityInstrument
229 Dividends and interest on capital paid Concept (Monetary) For Period Credit cpl:DividendsAndInterestOnCapitalPaid
230 Repayment for business combinations Concept (Monetary) For Period Credit cpl:PaymentsFromChangeInOwnershipInterestsInSubsidiarie
231 NET CASH GENERATED BY (USED IN) FINANCING ACTIVITIES Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInFinancingActivities
232 NET INCREASE IN CASH AND CASH EQUIVALENTS Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInCashAndCashEquivalents
233 CASH AND CASH EQUIVALENTS AT THE BEGINNING OF THE YEAR Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
234 CASH AND CASH EQUIVALENTS AT THE END OF THE YEAR Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
235 00000007 - Disclosure - (1) OPERATIONS Network

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236 Implied Table Table

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237 Operations Abstract cpl:OperationsAbstract
238 OPERATIONS Concept (Text Block (HTML)) For Period cpl:DescriptionOfNatureOfEntitysOperationsAndPrincipalActivity
239 00000008 - Disclosure - (2) PRESENTATION OF THE CONSOLIDATED FINANCIAL STATEMENTS Network

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240 Implied Table Table

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241 Presentation Of Consolidated Financial Statements Abstract cpl:PresentationOfConsolidatedFinancialStatementsAbstract
242 PRESENTATION OF THE CONSOLIDATED FINANCIAL STATEMENTS Concept (Text Block (HTML)) For Period cpl:DisclosureOfAccountingJudgementsAndEstimateExplanatory
243 00000009 - Disclosure - (3) SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Network

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244 Implied Table Table

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245 Summary Of Significant Accounting Policies Abstract cpl:SummaryOfSignificantAccountingPoliciesAbstract
246 SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory
247 00000010 - Disclosure - (4) DETERMINATION OF FAIR VALUES Network

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248 Implied Table Table

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249 Determination Of Fair Values Abstract cpl:DeterminationOfFairValuesAbstract
250 DETERMINATION OF FAIR VALUES Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFairValueMeasurementExplanatory
251 00000011 - Disclosure - (5) CASH AND CASH EQUIVALENTS Network

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252 Implied Table Table

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253 Cash and cash equivalents [abstract] Abstract ifrs-full:CashAndCashEquivalentsAbstract
254 CASH AND CASH EQUIVALENTS Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfCashAndCashEquivalentsExplanatory
255 00000012 - Disclosure - (6) CONSUMERS, CONCESSIONAIRES AND LICENSEES Network

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256 Implied Table Table

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257 Consumers Concessionaires And Licensees Abstract cpl:ConsumersConcessionairesAndLicenseesAbstract
258 CONSUMERS, CONCESSIONAIRES AND LICENSEES Concept (Text Block (HTML)) For Period cpl:DisclosureOfConsumersConcessionairesAndLicensees
259 00000013 - Disclosure - (7) TAXES RECOVERABLE Network

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260 Implied Table Table

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261 Taxes Recoverable Abstract cpl:TaxesRecoverableAbstract
262 TAXES RECOVERABLE Concept (Text Block (HTML)) For Period cpl:DisclosureOfTaxReceivableAndPayablesExplanatory
263 00000014 - Disclosure - (8) SECTOR FINANCIAL ASSETS AND LIABILITIES Network

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264 Implied Table Table

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265 Sector Financial Assets And Liabilities Abstract cpl:SectorFinancialAssetsAndLiabilitiesAbstract
266 SECTOR FINANCIAL ASSETS AND LIABILITIES Concept (Text Block (HTML)) For Period cpl:DisclosureOfRedesignatedFinancialAssesAndLiabilityExplanatory
267 00000015 - Disclosure - (9) DEFERRED TAX ASSETS AND LIABILITIES Network

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268 Implied Table Table

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269 Deferred tax assets and liabilities [abstract] Abstract ifrs-full:DeferredTaxAssetsAndLiabilitiesAbstract
270 DEFERRED TAX ASSETS AND LIABILITIES Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDeferredTaxesExplanatory
271 00000016 - Disclosure - (10) CONCESSION FINANCIAL ASSET Network

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272 Implied Table Table

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273 Concession Financial Asset Abstract cpl:ConcessionFinancialAssetAbstract
274 CONCESSION FINANCIAL ASSET Concept (Text Block (HTML)) For Period cpl:DisclosureOfConcessionFinancialAsset
275 00000017 - Disclosure - (11) OTHER ASSETS Network

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276 Implied Table Table

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 implied:Table
277 Other Assets Abstract cpl:OtherAssetAbstract
278 OTHER ASSETS Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTradeAndOtherReceivablesExplanatory
279 00000018 - Disclosure - (12) INVESTMENTS Network

*

*

 http://cpfl.riweb.com.br/role/Investments
280 Implied Table Table

*

*

 implied:Table
281 Investments Abstract cpl:InvestmentAbstract
282 INVESTMENTS Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory
283 00000019 - Disclosure - (13) PROPERTY, PLANT AND EQUIPMENT Network

*

*

 http://cpfl.riweb.com.br/role/PropertyPlantAndEquipment
284 Implied Table Table

*

*

 implied:Table
285 Property Plant And Equipment Abstract cpl:PropertyPlantAndEquipmentsAbstract
286 PROPERTY, PLANT AND EQUIPMENT Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory
287 00000020 - Disclosure - (14) INTANGIBLE ASSETS Network

*

*

 http://cpfl.riweb.com.br/role/IntangibleAssets
288 Implied Table Table

*

*

 implied:Table
289 Intangible Assets Abstract cpl:IntangibleAssetsAbstract
290 INTANGIBLE ASSETS Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIntangibleAssetsAndGoodwillExplanatory
291 00000021 - Disclosure - (15) TRADE PAYABLES Network

*

*

 http://cpfl.riweb.com.br/role/TradePayables
292 Implied Table Table

*

*

 implied:Table
293 Trade Payables Abstract cpl:TradePayablesAbstract
294 TRADE PAYABLES Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTradeAndOtherPayablesExplanatory
295 00000022 - Disclosure - (16) BORROWINGS Network

*

*

 http://cpfl.riweb.com.br/role/Borrowings
296 Implied Table Table

*

*

 implied:Table
297 Borrowings [abstract] Abstract ifrs-full:BorrowingsAbstract
298 BORROWINGS Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfBorrowingsExplanatory
299 00000023 - Disclosure - (17) DEBENTURES Network

*

*

 http://cpfl.riweb.com.br/role/Debentures
300 Implied Table Table

*

*

 implied:Table
301 Debentures Abstract cpl:DebenturesAbstract
302 DEBENTURES Concept (Text Block (HTML)) For Period cpl:DisclosureOfDebtSecuritieExplanatory
303 00000024 - Disclosure - (18) PRIVATE PENSION PLAN Network

*

*

 http://cpfl.riweb.com.br/role/PrivatePensionPlan
304 Implied Table Table

*

*

 implied:Table
305 Private Pension Plan Abstract cpl:PrivatePensionPlanAbstract
306 PRIVATE PENSION PLAN Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEmployeeBenefitsExplanatory
307 00000025 - Disclosure - (19) REGULATORY CHARGES Network

*

*

 http://cpfl.riweb.com.br/role/RegulatoryCharges
308 Implied Table Table

*

*

 implied:Table
309 Regulatory Charges Abstract cpl:RegulatoryChargesAbstract
310 REGULATORY CHARGES Concept (Text Block (HTML)) For Period cpl:DisclosureOfRegulatoryDeferralAccountExplanatory
311 00000026 - Disclosure - (20) TAXES, FEES AND CONTRIBUTIONS PAYABLE Network

*

*

 http://cpfl.riweb.com.br/role/TaxesFeesAndContributionsPayable
312 Implied Table Table

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 implied:Table
313 Taxes Fees And Contributions Payable Abstract cpl:TaxesFeesAndContributionsPayableAbstract
314 TAXES, FEES AND CONTRIBUTIONS PAYABLE Concept (Text Block (HTML)) For Period cpl:DisclosureOfTaxesFeesAndContributions
315 00000027 - Disclosure - (21) PROVISION FOR TAX, CIVIL AND LABOR RISKS AND ESCROW DEPOSITS Network

*

*

 http://cpfl.riweb.com.br/role/ProvisionForTaxCivilAndLaborRisksAndEscrowDeposits
316 Implied Table Table

*

*

 implied:Table
317 Provision For Tax Civil And Labor Risks And Escrow Deposits Abstract cpl:ProvisionForTaxCivilAndLaborRisksAndEscrowDepositsAbstract
318 PROVISION FOR TAX, CIVIL AND LABOR RISKS AND ESCROW DEPOSITS Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfContingentLiabilitiesExplanatory
319 00000028 - Disclosure - (22) OTHER PAYABLES Network

*

*

 http://cpfl.riweb.com.br/role/OtherPayables
320 Implied Table Table

*

*

 implied:Table
321 Other Payables Abstract cpl:OtherPayablesAbstract
322 OTHER PAYABLES Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOtherLiabilitiesExplanatory
323 00000029 - Disclosure - (23) EQUITY Network

*

*

 http://cpfl.riweb.com.br/role/Equity
324 Implied Table Table

*

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 implied:Table
325 EQUITY Abstract ifrs-full:EquityAbstract
326 EQUITY Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory
327 00000030 - Disclosure - (24) EARNINGS PER SHARE Network

*

*

 http://cpfl.riweb.com.br/role/EarningsPerShare
328 Implied Table Table

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*

 implied:Table
329 Basic and diluted earnings per share [abstract] Abstract ifrs-full:BasicAndDilutedEarningsPerShareAbstract
330 EARNINGS PER SHARE Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEarningsPerShareExplanatory
331 00000031 - Disclosure - (25) NET OPERATING REVENUE Network

*

*

 http://cpfl.riweb.com.br/role/NetOperatingRevenue
332 Implied Table Table

*

*

 implied:Table
333 Net Operating Revenue Abstract cpl:NetOperatingRevenueAbstract
334 NET OPERATING REVENUE Concept (Text Block (HTML)) For Period cpl:DisclosureOfRevenuesExplanatory
335 00000032 - Disclosure - (26) COST OF ELECTRIC ENERGY Network

*

*

 http://cpfl.riweb.com.br/role/CostOfElectricEnergy
336 Implied Table Table

*

*

 implied:Table
337 Cost Of Electric Energy Abstract cpl:CostOfElectricEnergyAbstract
338 COST OF ELECTRIC ENERGY Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfCostOfSalesExplanatory
339 00000033 - Disclosure - (27) OPERATING COSTS AND EXPENSES Network

*

*

 http://cpfl.riweb.com.br/role/OperatingCostsAndExpenses
340 Implied Table Table

*

*

 implied:Table
341 Operating Costs And Expenses Abstract cpl:OperatingCostAndExpenseAbstract
342 OPERATING COSTS AND EXPENSES Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOtherOperatingExpenseExplanatory
343 00000034 - Disclosure - (28) FINANCE INCOME (EXPENSES) Network

*

*

 http://cpfl.riweb.com.br/role/FinanceIncomeExpenses
344 Implied Table Table

*

*

 implied:Table
345 Finance Income Abstract cpl:FinanceIncomeExpensesAbstract
346 FINANCE INCOME (EXPENSES) Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinanceIncomeExpenseExplanatory
347 00000035 - Disclosure - (29) SEGMENT INFORMATION Network

*

*

 http://cpfl.riweb.com.br/role/SegmentInformation
348 Implied Table Table

*

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349 Segment Information Abstract cpl:SegmentInformationAbstract
350 SEGMENT INFORMATION Concept (Text Block (HTML)) For Period cpl:DisclosureOfOperatingSegmentExplanatory
351 00000036 - Disclosure - (30) RELATED PARTY TRANSACTIONS Network

*

*

 http://cpfl.riweb.com.br/role/RelatedPartyTransactions
352 Implied Table Table

*

*

 implied:Table
353 Related party transactions [abstract] Abstract ifrs-full:RelatedPartyTransactionsAbstract
354 RELATED PARTY TRANSACTIONS Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfRelatedPartyExplanatory
355 00000037 - Disclosure - (31) INSURANCE Network

*

*

 http://cpfl.riweb.com.br/role/Insurance
356 Implied Table Table

*

*

 implied:Table
357 Insurance Abstract cpl:InsurancesAbstract
358 INSURANCE Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInsuranceContractsExplanatory
359 00000038 - Disclosure - (32) RISK MANAGEMENT Network

*

*

 http://cpfl.riweb.com.br/role/RiskManagement
360 Implied Table Table

*

*

 implied:Table
361 Risk Management Abstract cpl:RiskManagementAbstract
362 RISK MANAGEMENT Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialRiskManagementExplanatory
363 00000039 - Disclosure - (33) FINANCIAL INSTRUMENTS Network

*

*

 http://cpfl.riweb.com.br/role/FinancialInstruments
364 Implied Table Table

*

*

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365 Financial Instruments Abstract cpl:FinancialInstrumentsAbstract
366 FINANCIAL INSTRUMENTS Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialInstrumentsExplanatory
367 00000040 - Disclosure - (34) NON-CASH TRANSACTION Network

*

*

 http://cpfl.riweb.com.br/role/Non-cashTransaction
368 Implied Table Table

*

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369 Non-cash Transaction Abstract cpl:NoncashTransactionAbstract
370 NON-CASH TRANSACTION Concept (Text Block (HTML)) For Period cpl:DisclosureOfNonCashTransactionsExplanatory
371 00000041 - Disclosure - (35) COMMITMENTS Network

*

*

 http://cpfl.riweb.com.br/role/Commitments
372 Implied Table Table

*

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373 Commitments Abstract cpl:CommitmentsAbstract
374 COMMITMENTS Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfCommitmentsExplanatory
375 00000042 - Disclosure - (36) CONDENSED UNCONSOLIDATED FINANCIAL INFORMATION Network

*

*

 http://cpfl.riweb.com.br/role/CondensedUnconsolidatedFinancialInformation
376 Implied Table Table

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377 Condensed Unconsolidated Financial Information Abstract cpl:CondensedUnconsolidatedFinancialInformationAbstract
378 CONDENSED UNCONSOLIDATED FINANCIAL INFORMATION Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfConsolidatedAndSeparateFinancialStatementsExplanatory
379 00000043 - Disclosure - (3) SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) Network

*

*

 http://cpfl.riweb.com.br/role/SummaryOfSignificantAccountingPoliciesPolicies
380 Implied Table Table

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381 Summary Of Significant Accounting Policies Abstract cpl:SummaryOfSignificantAccountingPoliciesPoliciesAbstract
382 Cash and cash equivalents Concept (Text Block (HTML)) For Period cpl:DescriptionOfAccountingPolicyForCashAndCashEquivalentsExplanatory
383 Concession agreements Concept (Text Block (HTML)) For Period cpl:DescriptionOfAccountingPolicyForConcessionAgreementsExplanatory
384 Financial instruments Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory
385 Property, plant and equipment Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory
386 Intangible assets and contract assets in progress Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory
387 Impairment Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory
388 Provisions Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForProvisionsExplanatory
389 Employee benefits Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory
390 Dividends and Interest on capital Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForDividendsExplanatory
391 Revenue recognition Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForRecognitionOfRevenue
392 Income tax and social contribution Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForIncomeTaxExplanatory
393 Earnings per share Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForEarningsPerShareExplanatory
394 Government grants - CDE (Energy Development Account) Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForGovernmentGrants
395 Sector financial asset and liability Concept (Text Block (HTML)) For Period cpl:DescriptionOfAccountingPolicyForSectorFinancialAssetAndLiabilityExplanatory
396 Business combination Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory
397 Basis of consolidation Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfBasisOfConsolidationExplanatory
398 New standards and interpretations issued and effective Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretations
399 New standards and interpretations issued but not yet effective Concept (Text Block (HTML)) For Period cpl:DescriptionOfExpectedImpactOfNotAppliedNewStandardsOrInterpretations
400 00000044 - Disclosure - (1) OPERATIONS (Tables) Network

*

*

 http://cpfl.riweb.com.br/role/OperationsTables
401 Implied Table Table

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 implied:Table
402 Operations Abstract cpl:OperationsTablesAbstract
403 Schedule of direct and indirect interests of subsidiaries and joint ventures Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInterestsInSubsidiariesExplanatory
404 00000045 - Disclosure - (5) CASH AND CASH EQUIVALENTS (Tables) Network

*

*

 http://cpfl.riweb.com.br/role/CashAndCashEquivalentsTables
405 Implied Table Table

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 implied:Table
406 Cash And Cash Equivalents Abstract cpl:CashAndCashEquivalentsTablesAbstract
407 Schedule of cash and cash equivalents components Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfCashAndCashEquivalentsExplanatory
408 00000046 - Disclosure - (6) CONSUMERS, CONCESSIONAIRES AND LICENSEES (Tables) Network

*

*

 http://cpfl.riweb.com.br/role/ConsumersConcessionairesAndLicenseesTables
409 Implied Table Table

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 implied:Table
410 Consumers Concessionaires And Licensees Abstract cpl:ConsumersConcessionairesAndLicenseesTablesAbstract
411 Schedule of consumers, concessionaires and licensees Concept (Text Block (HTML)) For Period cpl:DisclosureOfConsumersConcessionairesAndlicenseesFinancialAssetsExplanatory
412 Schedule of movements in allowance for doubtful accounts Concept (Text Block (HTML)) For Period cpl:DisclosureOfMovementsInAllowanceForDoubtfulAccountsExplanatory
413 00000047 - Disclosure - (7) TAXES RECOVERABLE (Tables) Network

*

*

 http://cpfl.riweb.com.br/role/TaxesRecoverableTables
414 Implied Table Table

*

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 implied:Table
415 Taxes Recoverable Abstract cpl:TaxesRecoverableTablesAbstract
416 Schedule of taxes recoverable Concept (Text Block (HTML)) For Period cpl:DisclosureOfTaxesRecoverableExplanatory
417 00000048 - Disclosure - (8) SECTOR FINANCIAL ASSETS AND LIABILITIES (Tables) Network

*

*

 http://cpfl.riweb.com.br/role/SectorFinancialAssetsAndLiabilitiesTables
418 Implied Table Table

*

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419 Sector Financial Assets And Liabilities Abstract cpl:SectorFinancialAssetsAndLiabilitiesTablesAbstract
420 Schedule of sector financial assets and liabilities Concept (Text Block (HTML)) For Period cpl:DisclosureOfFinancialAssetsAndLiabilitiesExplanatory
421 00000049 - Disclosure - (9) DEFERRED TAX ASSETS AND LIABILITIES (Tables) Network

*

*

 http://cpfl.riweb.com.br/role/DeferredTaxAssetsAndLiabilitiesTables
422 Implied Table Table

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423 Deferred Tax Assets And Liabilities Abstract cpl:DeferredTaxAssetsAndLiabilitiesTablesAbstract
424 Schedule of deferred tax assets and liabilities Concept (Text Block (HTML)) For Period cpl:DisclosureOfDetailedInformationAboutBreakdownOfTaxAssetsAndLiabilitiesExplanatory
425 Schedule of tax benefit of merged intangible asset Concept (Text Block (HTML)) For Period cpl:DisclosureOfDetailedInformationAboutTaxBenefitOfMergedIntangibleAssetExplanatory
426 Schedule of accumulated balances of nondeductible temporary differences Concept (Text Block (HTML)) For Period cpl:DisclosureOfDetailedInformationAboutAccumulatedBalancesOfNondeductibleTemporaryDifferencesExplanatory
427 Schedule of reconciliation of income tax and social contribution amounts recognized Concept (Text Block (HTML)) For Period cpl:DisclosureOfDetailedInformationAboutReconciliationOfIncomeTaxAndSocialContributionAmountsRecognizedExplanatory
428 Schedule of income tax and social contribution amounts recognized in equity Concept (Text Block (HTML)) For Period cpl:DisclosureOfDetailedInformationAboutIncomeTaxAndSocialContributionAmountsRecognizedInEquityExplanatory
429 00000050 - Disclosure - (10) CONCESSION FINANCIAL ASSET (Tables) Network

*

*

 http://cpfl.riweb.com.br/role/ConcessionFinancialAssetTables
430 Implied Table Table

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431 Concession Financial Asset Abstract cpl:ConcessionFinancialAssetTablesAbstract
432 Schedule of concession financial asset distribution Concept (Text Block (HTML)) For Period cpl:DisclosureOfConcessionFinancialAssetDistributionExplanatory
433 00000051 - Disclosure - (11) OTHER ASSETS (Tables) Network

*

*

 http://cpfl.riweb.com.br/role/OtherAssetsTables
434 Implied Table Table

*

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 implied:Table
435 Other Assets Abstract cpl:OtherAssetsTablesAbstract
436 Schedule of other receivables Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOtherAssetsExplanatory
437 00000052 - Disclosure - (12) INVESTMENTS (Tables) Network

*

*

 http://cpfl.riweb.com.br/role/InvestmentsTables
438 Implied Table Table

*

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 implied:Table
439 Investments Abstract cpl:InvestmentsTablesAbstract
440 Schedule of permanent equity interests - equity method Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInterestsInOtherEntitiesExplanatory
441 Schedule of investment balances relate to interests in entities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfJointVenturesExplanatory
442 Schedule of receivable from the joint ventures, relating to dividends and interest on capital Concept (Text Block (HTML)) For Period cpl:DisclosureOfReceivableFromJointVenturesRelatingToDividendsAndInterestOnCapitalExplanatory
443 Schedule of joint venture Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfReconciliationOfSummarisedFinancialInformationOfJointVentureAccountedForUsingEquityMethodToCarryingAmountOfInterestInJointVentureExplanatory
444 00000053 - Disclosure - (13) PROPERTY, PLANT AND EQUIPMENT (Tables) Network

*

*

 http://cpfl.riweb.com.br/role/PropertyPlantAndEquipmentTables
445 Implied Table Table

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 implied:Table
446 Property Plant And Equipment Abstract cpl:PropertyPlantAndEquipmentTablesAbstract
447 Schedule of property, plant and equipment Concept (Text Block (HTML)) For Period cpl:DisclosureOfPropertyPlantAndEquipment
448 00000054 - Disclosure - (14) INTANGIBLE ASSETS (Tables) Network

*

*

 http://cpfl.riweb.com.br/role/IntangibleAssetsTables
449 Implied Table Table

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450 Intangible Assets Abstract cpl:IntangibleAssetsTablesAbstract
451 Reconciliation of changes in intangible assets Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory
452 Intangible asset acquired in business combinations Concept (Text Block (HTML)) For Period cpl:DisclosureOfDetailedInformationAboutIntangibleAssetAcquiredInBusinessCombinationsExplanatory
453 Contract asset - in progress Concept (Text Block (HTML)) For Period cpl:DisclosureOfContractAssetsInProgressExplanatory
454 00000055 - Disclosure - (15) TRADE PAYABLES (Tables) Network

*

*

 http://cpfl.riweb.com.br/role/TradePayablesTables
455 Implied Table Table

*

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 implied:Table
456 Trade Payables Abstract cpl:TradePayablesTablesAbstract
457 Schedule of trade payables Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTradeAndOtherPayablesExplanatory
458 00000056 - Disclosure - (16) BORROWINGS (Tables) Network

*

*

 http://cpfl.riweb.com.br/role/BorrowingsTables
459 Implied Table Table

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 implied:Table
460 Borrowings Abstract cpl:BorrowingsTablesAbstract
461 Schedule of movements on borrowings Concept (Text Block (HTML)) For Period cpl:DisclosureOfCurrentPeriodBorrowingsExplanatory
462 Schedule of borrowings Concept (Text Block (HTML)) For Period cpl:DisclosureOfMeasuredAtAmortizedCostLocalCurrencyInvestmentExplanatory
463 Schedule of maturities principal borrowings Concept (Text Block (HTML)) For Period cpl:DisclosureOfMaturitiesPrincipalBorrowingsExplanatory
464 Schedule of borrowings by type of interest rates Concept (Text Block (HTML)) For Period cpl:DisclosureOfInterestsOnBorrowingsExplanatory
465 Schedule of main borrowings raised in the period Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsExplanatory
466 00000057 - Disclosure - (17) DEBENTURES (Tables) Network

*

*

 http://cpfl.riweb.com.br/role/DebenturesTables
467 Implied Table Table

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468 Debentures Abstract cpl:DebenturesTablesAbstract
469 Schedule of debenture and interest on debenture Concept (Text Block (HTML)) For Period cpl:DisclosureOfDebentureAndInterestOnDebentureExplanatory
470 Schedule of debentures maturities Concept (Text Block (HTML)) For Period cpl:DisclosureOfDebentureAndInterestOnDebentureMaturitiesExplanatory
471 Schedule of debentures obtained Concept (Text Block (HTML)) For Period cpl:DisclosureOfDebenturesObtainedExplanatory
472 00000058 - Disclosure - (18) PRIVATE PENSION PLAN (Tables) Network

*

*

 http://cpfl.riweb.com.br/role/PrivatePensionPlanTables
473 Implied Table Table

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474 Private Pension Plan Abstract cpl:PrivatePensionPlanTablesAbstract
475 Schedule of net defined benefit liability Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDefinedBenefitPlansExplanatory
476 Schedule for changes in the present value of the actuarial obligations and the fair value of the plan's assets Concept (Text Block (HTML)) For Period cpl:DisclosureOfNetDefinedBenefitsLiabilityAssetExplanatory
477 Schedule for changes in net liability Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfAdditionalInformationAboutDefinedBenefitPlansExplanatory
478 Schedule for expected contributions to the plans Concept (Text Block (HTML)) For Period cpl:DisclosureOfInformationAboutMaturityProfileOfDefinedBenefitObligationsExplanatory
479 Schedule for expected benefits to be paid by the plan administrators in the next 10 years Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInformationAboutMaturityProfileOfDefinedBenefitObligationExplanatory
480 Schedule for external actuary's estimate of the expenses (income) to be recognized and the expense (income) recognized Concept (Text Block (HTML)) For Period cpl:DisclosureOfEstimateAndRecognizedExpensesIncomeExplanatory
481 Schedule for main assumptions taken into consideration in the actuarial calculation at the end of the reporting period Concept (Text Block (HTML)) For Period cpl:DisclosureOfActuarialAssumptionsExplanatory
482 Schedule for assets managed by the plans Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFairValueOfPlanAssetsExplanatory
483 Schedule for investment target of plan assets Concept (Text Block (HTML)) For Period cpl:DisclosureOfBudgetedPlanAssetsSegmentExplanatory
484 Schedule for effects on the defined benefit obligation Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsExplanatory
485 00000059 - Disclosure - (19) REGULATORY CHARGES (Tables) Network

*

*

 http://cpfl.riweb.com.br/role/RegulatoryChargesTables
486 Implied Table Table

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 implied:Table
487 Regulatory Charges Abstract cpl:RegulatoryChargesTablesAbstract
488 Schedule of regulatory charges Concept (Text Block (HTML)) For Period cpl:DisclosureOfDetailedInformationAboutRegulatoryChargesExplanatory
489 00000060 - Disclosure - (20) TAXES, FEES AND CONTRIBUTIONS PAYABLE (Tables) Network

*

*

 http://cpfl.riweb.com.br/role/TaxesFeesAndContributionsPayableTables
490 Implied Table Table

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491 Taxes Fees And Contributions Payable Abstract cpl:TaxesFeesAndContributionsPayableTablesAbstract
492 Schedule of taxes fees and contributions Concept (Text Block (HTML)) For Period cpl:ScheduleOfTaxesFeesAndContributions
493 00000061 - Disclosure - (21) PROVISION FOR TAX, CIVIL AND LABOR RISKS AND ESCROW DEPOSITS (Tables) Network

*

*

 http://cpfl.riweb.com.br/role/ProvisionForTaxCivilAndLaborRisksAndEscrowDepositsTables
494 Implied Table Table

*

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 implied:Table
495 Provision For Tax Civil And Labor Risks And Escrow Deposits Abstract cpl:ProvisionForTaxCivilAndLaborRisksAndEscrowDepositsTablesAbstract
496 Schedule of provision for tax, civil and labor risks & escrow deposits Concept (Text Block (HTML)) For Period cpl:DisclosureOfProvisionForTaxCivilAndLaborRisksAndEscrowDepositsExplanatory
497 Schedule of changes in the provision for tax, civil, labor and other risks Concept (Text Block (HTML)) For Period cpl:DisclosureOfOtherProvisionContingentLiabilitieAndContingentAssetsExplanatory
498 Schedule of possible losses Concept (Text Block (HTML)) For Period cpl:DisclosureOfPossibleLossesExplanatory
499 00000062 - Disclosure - (22) OTHER PAYABLES (Tables) Network

*

*

 http://cpfl.riweb.com.br/role/OtherPayablesTables
500 Implied Table Table

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 implied:Table
501 Other Payables Abstract cpl:OtherPayablesTablesAbstract
502 Schedule of other payables current and noncurrent Concept (Text Block (HTML)) For Period cpl:DisclosureOfDetailedInformationAboutOtherPayablesCurrentAndNoncurrentExplanatory
503 00000063 - Disclosure - (23) EQUITY (Tables) Network

*

*

 http://cpfl.riweb.com.br/role/EquityTables
504 Implied Table Table

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 implied:Table
505 Equity Abstract cpl:EquityTablesAbstract
506 Schedule of shareholders interest Concept (Text Block (HTML)) For Period cpl:DisclosureOfShareholdersInterestExplanatory
507 Schedule of profit allocation Concept (Text Block (HTML)) For Period cpl:DisclosureOfProfitAllocationExplanatory
508 Schedule of changes in noncontrolling interests Concept (Text Block (HTML)) For Period cpl:DisclosureOfChangesInNoncontrollingInterestsExplanatory
509 Schedule of financial information of subsidiaries which have noncontrolling interests Concept (Text Block (HTML)) For Period cpl:DisclosureOfFinancialInformationOfSubsidiariesInterestsOfNoncontrollingShareholdersExplanatory
510 00000064 - Disclosure - (24) EARNINGS PER SHARE (Tables) Network

*

*

 http://cpfl.riweb.com.br/role/EarningsPerShareTables
511 Implied Table Table

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 implied:Table
512 Earnings Per Share Abstract cpl:EarningsPerShareTablesAbstract
513 Schedule of diluted earnings per share considering dilutive effects of instruments convertible Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEarningsPerShareExplanatory
514 00000065 - Disclosure - (25) NET OPERATING REVENUE (Tables) Network

*

*

 http://cpfl.riweb.com.br/role/NetOperatingRevenueTables
515 Implied Table Table

*

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 implied:Table
516 Net Operating Revenue Abstract cpl:NetOperatingRevenueTablesAbstract
517 Schedule of net operating revenue Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfRevenueExplanatory
518 Schedule of periodic tariff review ("RTP") and annual tariff adjustment ("RTA") Concept (Text Block (HTML)) For Period cpl:DisclosureOfPeriodicTariffReviewAndAnnualTariffAdjustmentExplanatory
519 00000066 - Disclosure - (26) COST OF ELECTRIC ENERGY (Tables) Network

*

*

 http://cpfl.riweb.com.br/role/CostOfElectricEnergyTables
520 Implied Table Table

*

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 implied:Table
521 Cost Of Electric Energy Abstract cpl:CostOfElectricEnergyTablesAbstract
522 Summary of cost of electric energy Concept (Text Block (HTML)) For Period cpl:DisclosureOfDetailedInformationAboutCostOfElectricEnergyExplanatory
523 00000067 - Disclosure - (27) OPERATING COSTS AND EXPENSES (Tables) Network

*

*

 http://cpfl.riweb.com.br/role/OperatingCostsAndExpensesTables
524 Implied Table Table

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525 Operating Costs And Expenses Abstract cpl:OperatingCostsAndExpensesTablesAbstract
526 Schedule of operating cost and expenses Concept (Text Block (HTML)) For Period cpl:DisclosureOfOperatingCostAndExpensesExplanatory
527 00000068 - Disclosure - (28) FINANCE INCOME (EXPENSES) (Tables) Network

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 http://cpfl.riweb.com.br/role/FinanceIncomeExpensesTables
528 Implied Table Table

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529 Finance Income Expenses Abstract cpl:FinanceIncomeExpensesTablesAbstract
530 Schedule of finance expenses, net Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinanceIncomeExpenseExplanatory
531 00000069 - Disclosure - (29) SEGMENT INFORMATION (Tables) Network

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*

 http://cpfl.riweb.com.br/role/SegmentInformationTables
532 Implied Table Table

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533 Segment Information Abstract cpl:SegmentInformationTablesAbstract
534 Schedule of information segregated by segment Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOperatingSegmentsExplanatory
535 00000070 - Disclosure - (30) RELATED PARTY TRANSACTIONS (Tables) Network

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536 Implied Table Table

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537 Related Party Transactions Abstract cpl:RelatedPartyTransactionsTablesAbstract
538 Schedule of transactions between related parties Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesExplanatory
539 00000071 - Disclosure - (31) INSURANCE (Tables) Network

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 http://cpfl.riweb.com.br/role/InsuranceTables
540 Implied Table Table

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*

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541 Insurance Abstract cpl:InsuranceTablesAbstract
542 Schedule of main insurance policies Concept (Text Block (HTML)) For Period cpl:DisclosureOfMainInsurancePoliciesExplanatory
543 00000072 - Disclosure - (33) FINANCIAL INSTRUMENTS (Tables) Network

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544 Implied Table Table

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545 Financial Instruments Abstract cpl:FinancialInstrumentsTablesAbstract
546 Schedule of financial instruments classification Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory
547 Schedule of derivative transactions Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDerivativeFinancialInstrumentsExplanatory
548 Schedule of derivatives Concept (Text Block (HTML)) For Period cpl:ScheduleOfDerivatives
549 Schedule of gains or losses due to derivative instruments Concept (Text Block (HTML)) For Period cpl:DisclosureOfDetailedInformationOfGainLossOnDerivativesExplanatory
550 Schedule of call and put options for zero-cost collar instruments Concept (Text Block (HTML)) For Period cpl:DislosureOfReconciliationCallAndPutOptionsExplanatory
551 Schedule of financial instrument type Concept (Text Block (HTML)) For Period cpl:DisclosureOfLevelOfNetExchangeRateExposureExplanatory
552 Schedule of interest rate variation Concept (Text Block (HTML)) For Period ifrs-full:SensitivityAnalysisForEachTypeOfMarketRisk
553 Schedule of liquidity analysis Concept (Text Block (HTML)) For Period cpl:DisclosureOfInformationAboutTermsAndConditionsOfHedgingInstrumentsAndHowTheyAffectFutureCashFlowExplanatory
554 00000073 - Disclosure - (34) NON-CASH TRANSACTION (Tables) Network

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*

 http://cpfl.riweb.com.br/role/Non-cashTransactionTables
555 Implied Table Table

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556 Non-cash Transaction Abstract cpl:NoncashTransactionTablesAbstract
557 Schedule of non cash transactions Concept (Text Block (HTML)) For Period cpl:DisclosureOfNonCashTransactionsTableTextBlock
558 00000074 - Disclosure - (35) COMMITMENTS (Tables) Network

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*

 http://cpfl.riweb.com.br/role/CommitmentsTables
559 Implied Table Table

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560 Commitments Abstract cpl:CommitmentsTablesAbstract
561 Schedule of commitments Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfCommitmentsExplanatory
562 00000075 - Disclosure - (36) CONDENSED UNCONSOLIDATED FINANCIAL INFORMATION (Tables) Network

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 http://cpfl.riweb.com.br/role/CondensedUnconsolidatedFinancialInformationTables
563 Implied Table Table

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564 Condensed Unconsolidated Financial Information Abstract cpl:CondensedUnconsolidatedFinancialInformationTablesAbstract
565 Schedule of condensed unconsolidated financial information Concept (Text Block (HTML)) For Period cpl:DisclosureOfCondensedConsolidatedFinancialInformationOfGuarantorSubsidiariesExplanatory
566 Schedule of cash and cash equivalents Concept (Text Block (HTML)) For Period cpl:ScheduleOfCashAndCashEquivalentTableTextBlock
567 Schedule of dividends and interest on own capital Concept (Text Block (HTML)) For Period cpl:DisclosureOfDividendsAndInterestOnOwnCapitalExplanatory
568 Schedule of other receivables Concept (Text Block (HTML)) For Period cpl:DisclosureOfOtherReceivablesExplanatory
569 Schedule of deferred tax assets Concept (Text Block (HTML)) For Period cpl:DisclosureOfDeferredTaxAssetsExplanatory
570 Schedule of investments in subsidiaries Concept (Text Block (HTML)) For Period cpl:DisclosureOfDetailedInformationAboutInvestmentExplanatory
571 Schedule of dividends received Concept (Text Block (HTML)) For Period cpl:DisclosureOfDividendsReceivedExplanatory
572 Schedule of debentures Concept (Text Block (HTML)) For Period cpl:DisclosureOfInterestOnDebenturesExplanatory
573 00000076 - Disclosure - (1) OPERATIONS (Details) Network

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574 DisclosureOfOperationsTable [Table] Table

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 cpl:DisclosureOfOperationsTable
575 Subsidiaries [Axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
576 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
577 Companhia Paulista de Forca e Luz ("CPFL Paulista") [Member] Member cpl:CompanhiaPaulistadeForcaeLuzMember
578 Companhia Piratininga de Forca e Luz ("CPFL Piratininga") [Member] Member cpl:CompanhiaPiratiningadeForcaeLuzMember
579 RGE Sul Distribuidora de Energia S.A. ("RGE") [Member] Member cpl:RGESulDistribuidoradeEnergiaSAMember
580 Companhia Jaguari de Energia ( "CPFL Santa Cruz") [Member] Member cpl:CPFLSantaCruzMember
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582 Company type Concept (Text/String) For Period cpl:NatureOfSubsidiary
583 Equity interest Concept (Text/String) For Period cpl:DescriptionOfProportionOfOwnershipInterestInSubsidiary
584 Location (state) Concept (Text/String) For Period ifrs-full:PrincipalPlaceOfBusinessOfSubsidiary
585 Number of municipalities Concept (Integer) For Period cpl:NumberOfMunicipalities
586 Approximate number of consumers Concept (Integer) For Period cpl:NumberOfConsumers
587 Concession period Concept (xbrli:durationItemType) For Period cpl:ConcessionPeriod
588 End of the concession Concept (Date) For Period cpl:EndOfConcessionPeriod
589 00000077 - Disclosure - (1) OPERATIONS (Details 1) Network

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590 DisclosureOfOperationsTable [Table] Table

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 cpl:DisclosureOfOperationsTable
591 Subsidiaries [Axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
592 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
593 CPFL Geracao de Energia S.A. ("CPFL Geracao") [Member] Member cpl:CPFLGeracaodeEnergiaSAMember
594 CERAN - Companhia Energetica Rio das Antas ("CERAN") [Member] Member cpl:CERANCompanhiaEnergeticaRiodasAntasMember
595 Foz do Chapeco Energia S.A. [Member] Member cpl:FozdoChapecoEnergiaSAMember
596 Campos Novos Energia S.A. ("ENERCAN") [Member] Member cpl:CamposNovosEnergiaSAMember
597 BAESA - Energetica Barra Grande S.A. [Member] Member cpl:BAESAEnergeticaBarraGrandeSAMember
598 Centrais Eletricas da Paraiba S.A. ("EPASA") [Member] Member cpl:CentraisEletricasdaParaibaSAMember
599 Paulista Lajeado Energia S.A. ("Paulista Lajeado") [Member] Member cpl:PaulistaLajeadoEnergiaSAMember
600 CPFL Energias Renovaveis S.A. ("CPFL Renovaveis") [Member] Member cpl:CPFLEnergiasRenovaveisSAMember
601 CPFL Centrais Geradoras Ltda. ("CPFL Centrais Geradoras") [Member] Member cpl:CPFLCentraisGeradorasLtdaMember
602 DisclosureOfOperationsLineItems [Line Items] LineItems cpl:DisclosureOfOperationsLineItems
603 Company type Concept (Text/String) For Period cpl:NatureOfSubsidiary
604 Equity interest Concept (Text/String) For Period cpl:DescriptionOfProportionOfOwnershipInterestInSubsidiary
605 Location (state) Concept (Text/String) For Period ifrs-full:PrincipalPlaceOfBusinessOfSubsidiary
606 Number of plants / type of energy Concept (Text/String) For Period cpl:NumberOfPlants
607 Total installed power (MW) Concept (num:powerItemType) For Period cpl:TotalInstalledPower
608 CPFL share installed power (MW) Concept (Shares) For Period cpl:NumberOfShareofTheCompany
609 Total installed power (MW) Concept (Text/String) For Period cpl:TotalInstalledPowerMw
610 CPFL share installed power (MW) Concept (Text/String) For Period cpl:CpflShareInstalledPowerMw
611 00000078 - Disclosure - (1) OPERATIONS (Details 2) Network

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 http://cpfl.riweb.com.br/role/OperationsDetails2
612 DisclosureOfOperationsTable [Table] Table

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 cpl:DisclosureOfOperationsTable
613 Subsidiaries [Axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
614 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
615 CPFL Comercializacao Brasil S.A. ("CPFL Brasil") [Member] Member cpl:CPFLComercializacaoBrasilSAMember
616 Clion Assessoria e Comercializacao de Energia Eletrica Ltda. ("CPFL Meridional") [Member] Member cpl:ClionAssessoriaeComercializacaodeEnergiaEletricaLtdaMember
617 CPFL Comercializacao Cone Sul S.A. ("CPFL Cone Sul") [Member] Member cpl:CPFLComercializacaoConeSulSAMember
618 CPFL Planalto Ltda. ("CPFL Planalto") [Member] Member cpl:CPFLPlanaltoLtdaMember
619 CPFL Brasil Varejista S.A. ("CPFL Brasil Varejista") [Member] Member cpl:CPFLBrasilVarejistaSAMember
620 DisclosureOfOperationsLineItems [Line Items] LineItems cpl:DisclosureOfOperationsLineItems
621 Company type Concept (Text/String) For Period cpl:NatureOfSubsidiary
622 Core activity Concept (Text/String) For Period cpl:CoreActivity
623 Equity interest Concept (Text/String) For Period cpl:DescriptionOfProportionOfOwnershipInterestInSubsidiary
624 00000079 - Disclosure - (1) OPERATIONS (Details 3) Network

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 http://cpfl.riweb.com.br/role/OperationsDetails3
625 DisclosureOfOperationsTable [Table] Table

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 cpl:DisclosureOfOperationsTable
626 Subsidiaries [Axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
627 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
628 CPFL Servicos, Equipamentos, Industria e Comercio S.A. ("CPFL Servicos") [Member] Member cpl:CPFLServicosEquipamentosIndustriaeComercioSAMember
629 NECT Servicos Administrativos Ltda ("Nect") [Member] Member cpl:NECTServicosAdministrativosLtdaMember
630 CPFL Atende Centro de Contatos e Atendimento Ltda. ("CPFL Atende") [Member] Member cpl:CPFLAtendeCentrodeContatoseAtendimentoLtdaMember
631 CPFL Total Servicos Administrativos Ltda. ("CPFL Total") [Member] Member cpl:CPFLTotalServicosAdministrativosLtdaMember
632 CPFL Eficiencia Energetica S.A ("CPFL Eficiência") [Member] Member cpl:CPFLEficienciaEnergeticaSAMember
633 TI Nect Servicos de Informatica Ltda. ("Authi") [Member] Member cpl:TINectServicosdeInformaticaLtdaMember
634 CPFL GD S.A ("CPFL GD") [Member] Member cpl:CPFLGDSAMember
635 DisclosureOfOperationsLineItems [Line Items] LineItems cpl:DisclosureOfOperationsLineItems
636 Company type Concept (Text/String) For Period cpl:NatureOfSubsidiary
637 Core activity Concept (Text/String) For Period cpl:CoreActivity
638 Equity interest Concept (Text/String) For Period cpl:DescriptionOfProportionOfOwnershipInterestInSubsidiary
639 00000080 - Disclosure - (1) OPERATIONS (Details 4) Network

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 http://cpfl.riweb.com.br/role/OperationsDetails4
640 DisclosureOfOperationsTable [Table] Table

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 cpl:DisclosureOfOperationsTable
641 Subsidiaries [Axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
642 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
643 CPFL Jaguari de Geracao de Energia Ltda ("CPFL Jaguari Geracao") [Member] Member cpl:CPFLJaguarideGeracaodeEnergiaLtdaMember
644 Chapecoense Geracao S.A. ("Chapecoense") [Member] Member cpl:ChapecoenseGeracaoSAMember
645 Sul Geradora Participacoes S.A. ("Sul Geradora") [Member] Member cpl:SulGeradoraParticipacoesSAMember
646 CPFL Telecom S.A ("CPFL Telecom") [Member] Member cpl:CPFLTelecomSAMember
647 CPFL Transmissao Piracicaba S.A ("CPFL Piracicaba") [Member] Member cpl:CPFLTransmissaoPiracicabaSAMember
648 CPFL Transmissao Morro Agudo S.A ("CPFL Morro Agudo") [Member] Member cpl:CPFLTransmissoraMorroAgudoSAMember
649 CPFL Transmissão Maracanaú S.A. (“CPFL Maracanaú”) [Member] Member cpl:CPFLTransmissaoMaracanauSAMember
650 DisclosureOfOperationsLineItems [Line Items] LineItems cpl:DisclosureOfOperationsLineItems
651 Company type Concept (Text/String) For Period cpl:NatureOfSubsidiary
652 Core activity Concept (Text/String) For Period cpl:CoreActivity
653 Equity interest Concept (Text/String) For Period cpl:DescriptionOfProportionOfOwnershipInterestInSubsidiary
654 00000081 - Disclosure - (5) CASH AND CASH EQUIVALENTS (Details) Network

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*

 http://cpfl.riweb.com.br/role/CashAndCashEquivalentsDetails
655 Implied Table Table

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656 Cash And Cash Equivalents Abstract cpl:CashAndCashEquivalentsDetailsAbstract
657 Bank balances Concept (Monetary) As Of Debit ifrs-full:BalancesWithBanks
658 Short-term financial investments Concept (Monetary) As Of Debit ifrs-full:ShorttermInvestmentsClassifiedAsCashEquivalents
659 Overnight investment Concept (Monetary) As Of Debit ifrs-full:ShorttermDepositsClassifiedAsCashEquivalents
660 Bank certificates of deposit Concept (Monetary) As Of Debit cpl:MandatoryReserveDepositsBanks
661 Repurchase agreements secured on debentures Concept (Monetary) As Of Debit cpl:RepurchaseAgreementsSecuredOnDebentures
662 Investment funds Concept (Monetary) As Of Debit cpl:InvestmentFunds
663 Total Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
664 00000082 - Disclosure - (6) CONSUMERS, CONCESSIONAIRES AND LICENSEES (Details) Network

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 http://cpfl.riweb.com.br/role/ConsumersConcessionairesAndLicenseesDetails
665 DisclosureOfConsumersConcessionairesAndLicenseesTable [Table] Table

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*

 cpl:DisclosureOfConsumersConcessionairesAndLicenseesTable
666 Past due status [Axis] Axis ifrs-full:PastDueStatusAxis
667 Past due status [member] Member ifrs-full:PastDueStatusMember
668 Current [Member] Member ifrs-full:CurrentMember
669 Past due until 90 days [Member] Member ifrs-full:LaterThanTwoMonthsAndNotLaterThanThreeMonthsMember
670 Past due until > 90 days [Member] Member ifrs-full:LaterThanThreeMonthsMember
671 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
672 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
673 Current Assets [Member] Member cpl:CurrentAssetsMember
674 NonCurrent Assets [Member] Member cpl:NonCurrentAssetsMember
675 Types of customers [axis] Axis ifrs-full:TypesOfCustomersAxis
676 Types of customers [member] Member ifrs-full:TypesOfCustomersMember
677 Residential [Member] Member cpl:ResidentialMember
678 Industrial [Member] Member cpl:IndustrialMember
679 Commercial [Member] Member cpl:CommercialMember
680 Rural [Member] Member cpl:RuralMember
681 Public administration [Member] Member cpl:PublicAdministrationMember
682 Public lighting [Member] Member cpl:PublicLightingMember
683 Public utilities [Member] Member us-gaap:PublicUtilitiesMember
684 Types of interest rates [Axis] Axis ifrs-full:ClassesOfAssetsAxis
685 Assets [member] Member ifrs-full:ClassesOfAssetsMember
686 Billed [Member] Member cpl:BilledMember
687 Unbilled [Member] Member cpl:UnbilledMember
688 Financing of consumers' debts [Member] Member cpl:FinancingOfConsumersDebtsMember
689 CCEE transactions [Member] Member cpl:CCEETransactionsMember
690 Concessionaires and licensees [Member] Member cpl:ConcessionairesAndLicenseesMember
691 Others [Member] Member cpl:OthersMember
692 Free Energy [Member] Member cpl:FreeEnergyMember
693 DisclosureOfConsumersConcessionairesAndLicenseesLineItems [Line Items] LineItems cpl:DisclosureOfConsumersConcessionairesAndLicenseesLineItems
694 Current Concept (Monetary) As Of Debit cpl:CurrentConsumersConcessionairesAndLicenseesGross
695 Allowance for doubtful accounts Concept (Monetary) As Of Credit cpl:AllowanceForDoubtfulAccountsCurrent
696 Total Concept (Monetary) As Of Debit cpl:CurrentConsumersConcessionairesAndLicensees
697 Noncurrent Concept (Monetary) As Of Debit cpl:NoncurrentConsumersConcessionairesAndLicenseesGross
698 Allowance for doubtful accounts Concept (Monetary) As Of Credit cpl:AllowanceForDoubtfulAccountsNoncurrent
699 Total Concept (Monetary) As Of Debit cpl:NoncurrentConsumersConcessionairesAndLicensees
700 00000083 - Disclosure - (6) CONSUMERS, CONCESSIONAIRES AND LICENSEES (Details 1) Network

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*

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701 Implied Table Table

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702 Consumers Concessionaires And Licensees Abstract cpl:ConsumersConcessionairesAndLicenseesDetails1Abstract
703 Consumers, concessionaires and licensees, balance at beginning Concept (Monetary) As Of Credit cpl:ConsumersConcessionairesAndLicenseesAllowanceAccountForCreditLossesOfFinancialAssets
704 Consumers, concessionaires and licensees, business combination Concept (Monetary) For Period Credit cpl:ConsumersConcessionairesAndLicenseesBusinessCombination
705 Consumers, concessionaires and licensees, allowance - reversal (recognition) Concept (Monetary) For Period ifrs-full:AdditionalAllowanceRecognisedInProfitOrLossAllowanceAccountForCreditLossesOfFinancialAssets
706 Consumers, concessionaires and licensees, recovery of revenue Concept (Monetary) For Period ifrs-full:ReversalAllowanceAccountForCreditLossesOfFinancialAssets
707 Consumers, concessionaires and licensees, effects on first adoption of IFRS 9 Concept (Monetary) For Period Credit cpl:ConsumersConcessionairesAndLicenseesEffectsOnFirstAdoptionOfIFRS9
708 Consumers, concessionaires and licensees, write-off of accrued receivables Concept (Monetary) For Period Credit cpl:ConsumersConcessionairesAndLicenseesWriteOffOfAccruedReceivables
709 Consumers, concessionaires and licensees, balance at end Concept (Monetary) As Of Credit cpl:ConsumersConcessionairesAndLicenseesAllowanceAccountForCreditLossesOfFinancialAssets
710 Consumers, concessionaires and licensees, balance at end, current Concept (Monetary) As Of Credit cpl:ConsumersConcessionairesAndLicenseesAllowanceAccountForCreditLossesOfFinancialAssetsCurrent
711 Consumers, concessionaires and licensees, balance at end, noncurrent Concept (Monetary) As Of Credit cpl:ConsumersConcessionairesAndLicenseesAllowanceAccountForCreditLossesOfFinancialAssetsNoncurrent
712 Other receivables, balance at beginning Concept (Monetary) As Of Credit cpl:OtherReceivablesAllowanceAccountForCreditLossesOfFinancialAssets
713 Other receivables, business combination Concept (Monetary) For Period Credit cpl:OtherReceivablesBusinessCombination
714 Other receivables, allowance - reversal (recognition) Concept (Monetary) For Period Debit cpl:OtherReceivablesUtilisationAllowanceAccountForCreditLossesOfFinancialAssets
715 Other receivables, recovery of revenue Concept (Monetary) For Period Credit cpl:OtherReceivablesRemainingRecoveryRevenueOfRegulatoryDeferralAccountDebitBalances
716 Other receivables, effects on first adoption of IFRS 9 Concept (Monetary) For Period Credit cpl:OtherReceivablesEffectsOnFirstAdoptionOfIFRS9
717 Other receivables, write-off of accrued receivables Concept (Monetary) For Period Credit cpl:OtherReceivablesWriteOffOfAccruedReceivables
718 Other receivables, balance at end Concept (Monetary) As Of Credit cpl:OtherReceivablesAllowanceAccountForCreditLossesOfFinancialAssets
719 Other receivables, balance at end, current Concept (Monetary) As Of Credit cpl:OtherReceivablesAllowanceAccountForCreditLossesOfFinancialAssetsCurrent
720 Other receivables, balance at end, noncurent Concept (Monetary) As Of Credit cpl:OtherReceivablesAllowanceAccountForCreditLossesOfFinancialAssetsNoncurrent
721 Balance at beginning Concept (Monetary) As Of Credit ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets
722 Business combination Concept (Monetary) For Period Debit cpl:BusinessCombination
723 Allowance - reversal (recognition) Concept (Monetary) For Period Debit cpl:UtilisationAllowanceAccountForCreditLossesOfFinancialAsset
724 Recovery of revenue Concept (Monetary) For Period Credit cpl:RemainingRecoveryRevenueOfRegulatoryDeferralAccountDebitBalances
725 Effects on first adoption of IFRS 9 Concept (Monetary) For Period Credit cpl:EffectsOnFirstAdoptionOfIFRS9
726 Write-off of accrued receivables Concept (Monetary) For Period Credit cpl:WriteOffOfAccruedReceivables
727 Balance at end Concept (Monetary) As Of Credit ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets
728 Balance at end, current Concept (Monetary) As Of Credit cpl:AllowanceAccountForCreditLossesOfFinancialAssetsCurrent
729 Balance at end, noncurrent Concept (Monetary) As Of Credit cpl:AllowanceAccountForCreditLossesOfFinancialAssetsNoncurrent
730 00000084 - Disclosure - (7) TAXES RECOVERABLE (Details) Network

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731 DisclosureOfTaxesRecoverableTable [Table] Table

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 cpl:DisclosureOfTaxesRecoverableTable
732 Assets and liabilities [Axis] Axis ifrs-full:AssetsAndLiabilitiesAxis
733 Assets and liabilities [member] Member ifrs-full:AssetsAndLiabilitiesMember
734 Current [Member] Member ifrs-full:CurrentMember
735 Noncurrent [Member] Member cpl:NoncurrentMember
736 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
737 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
738 Prepayments of social contribution - CSLL [Member] Member cpl:PrepaymentsOfSocialContributionCSLLMember
739 Prepayments of income tax - IRPJ [Member] Member cpl:PrepaymentsOfIncomeTaxIRPJMember
740 Income tax and social contribution to be offset [Member] Member cpl:IncomeTaxAndSocialContributionTobeOffsetMember
741 Income tax and social contribution recoverable Member cpl:IncomeTaxAndSocialContributionRecoverableMember
742 Withholding income tax - IRRF on interest on capital [Member] Member cpl:WithholdingIncomeTaxIRRFOnInterestOnCapitalMember
743 Withholding income tax - IRRF [Member] Member cpl:WithholdingIncomeTaxIRRFMember
744 State VAT - ICMS to be offset [Member] Member cpl:StateVATICMSToBeOffsetMember
745 Social Integration Program - PIS [Member] Member cpl:SocialIntegrationProgramPISMember
746 Contribution for Social Security Funding - COFINS [Member] Member cpl:ContributionForSocialSecurityFundingCOFINSMember
747 Others Current [Member] Member cpl:OthersCurrentMember
748 Other Taxes Recoverable [Member] Member cpl:OtherTaxesRecoverableMember
749 Social contribution to be offset - CSLL [Member] Member cpl:SocialContributionToBeOffsetCSLLMember
750 Income tax to be offset - IRPJ [Member] Member cpl:IncomeTaxToNeOffsetIRPJMember
751 Others Noncurrent [Member] Member cpl:OthersNoncurrentMember
752 DisclosureOfTaxesRecoverableLineItems [Line Items] LineItems cpl:DisclosureOfTaxesRecoverableLineItems
753 Total, current Concept (Monetary) As Of Debit cpl:TaxesRecoverable
754 Total, noncurrent Concept (Monetary) As Of Debit cpl:TaxesRecoverableNoncurrent
755 00000085 - Disclosure - (8) SECTOR FINANCIAL ASSETS AND LIABILITIES (Details) Network

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756 DisclosureOfSectorFinancialAssetsAndLiabilitiesTable [Table] Table

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 cpl:DisclosureOfSectorFinancialAssetsAndLiabilitiesTable
757 Assets and liabilities [Axis] Axis ifrs-full:AssetsAndLiabilitiesAxis
758 Assets and liabilities [member] Member ifrs-full:AssetsAndLiabilitiesMember
759 Deferred tariff costs and gains variations ("Parcel A") [Member] Member cpl:DeferredTariffCostsAndGainsVariationsMember
760 Energy development account - CDE [Member] Member cpl:EnergyDevelopmentAccountMember
761 Electric energy cost [Member] Member cpl:ElectricEnergyCostMember
762 System Service Charge (ESS) and Reserve Energy Charge (EER) [Member] Member cpl:SystemServiceChargeAndReserveEnergyChargeMember
763 Proinfa [Member] Member cpl:ProinfaMember
764 Basic network charges [Member] Member cpl:BasicNetworkChargesMember
765 Pass through from Itaipu [Member] Member cpl:PassThroughFromLtaipuMember
766 Transmission from Itaipu [Member] Member cpl:TransmissionFromLtaipuMember
767 Neutrality of industry charges [Member] Member cpl:NeutralityOfIndustryChargesMember
768 Overcontracting [Member] Member cpl:OvercontractingMember
769 Other financial components [Member] Member cpl:OtherFinancialComponentsMember
770 Related to judicial injuctions [Member] Member cpl:RelatedToJudicialInjuctionsMember
771 Others financial components [Member] Member cpl:OthersFinancialComponentsMember
772 DisclosureOfSectorFinancialAssetsAndLiabilitiesLineItems [Line Items] LineItems cpl:DisclosureOfSectorFinancialAssetsAndLiabilitiesLineItems
773 Deferred Concept (Monetary) As Of Debit cpl:DeferredAssetsAndLiabilities
774 Approved Concept (Monetary) As Of Debit cpl:ApprovedAssetsAndLiabilities
775 Total Concept (Monetary) As Of Debit cpl:DeferredAndApprovedTotalAssetsAndLiabilities
776 Operating revenue Constitution Concept (Monetary) For Period Debit cpl:AdjustmentsForOperatingRevenueConstitution
777 Operating revenue Realization Concept (Monetary) For Period Credit cpl:AdjustmentsForOperatingRevenueThroughBilling
778 Finance income (expenses) Monetary adjustment Concept (Monetary) For Period Credit cpl:AdjustmentsForFinanceIncomeCosts
779 Finance income (expenses) Monetary adjustment Concept (Monetary) For Period Credit cpl:FinanceIncomecostMonetaryAdjustment
780 Receipt Tariff flag Concept (Monetary) For Period Credit cpl:AdjustmentsForReceiptTariffFlag
781 Receipt Through CCEE Concept (Monetary) For Period Credit cpl:AdjustmentsForReceiptThroughCCEE
782 Business Combination Concept (Monetary) For Period Debit cpl:AdjustmentsForBusinessCombination
783 Current assets Concept (Monetary) As Of Debit cpl:SectorFinancialAssetCurrentAssets
784 Noncurrent assets Concept (Monetary) As Of Debit cpl:SectorFinancialAssetNoncurrentAssets
785 Current liabilities Concept (Monetary) As Of Credit cpl:SectorFinancialAssetCurrentLiabilities
786 Noncurrent liabilities Concept (Monetary) As Of Credit cpl:SectorFinancialAssetNoncurrentLiabilities
787 00000086 - Disclosure - (9) DEFERRED TAX ASSETS AND LIABILITIES (Details) Network

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788 DisclosureOfDeferredTaxAssetsAndLiabilitiesTable [Table] Table

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 cpl:DisclosureOfDeferredTaxAssetsAndLiabilitiesTable
789 Temporary difference, unused tax losses and unused tax credits [Axis] Axis ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
790 Temporary difference, unused tax losses and unused tax credits [member] Member ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
791 Social contribution [Member] Member cpl:SocialContributionMember
792 Income tax [Member] Member cpl:IncomeTaxMember
793 PIS and COFINS [Member] Member cpl:PISAndCOFINSMember
794 DisclosureOfDeferredTaxAssetsAndLiabilitiesLineItems [Line Items] LineItems cpl:DisclosureOfDeferredTaxAssetsAndLiabilitiesLineItems
795 Tax losses carryforwards Concept (Monetary) As Of Debit cpl:DeferredTaxLiabilityAssetTaxLossesCarryforwards
796 Tax benefit of merged intangible Concept (Monetary) As Of Debit cpl:DeferredTaxLiabilityAssetTaxBenefitOfMergedIntangible
797 Tax benefit of merged goodwill Concept (Monetary) As Of Debit cpl:DeferredTaxLiabilityAssetTaxBenefitOfMergedGoodwill
798 Temporarily nondeductible differences Concept (Monetary) As Of Credit cpl:DeferredTaxLiabilityAssetTemporarilyNondeductibleDifferences
799 Total Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilityAsset
800 Total tax credit Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
801 Total tax debit Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
802 00000087 - Disclosure - (9) DEFERRED TAX ASSETS AND LIABILITIES (Details 1) Network

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803 DisclosureOfDeferredTaxAssetsAndLiabilitiesTable [Table] Table

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 cpl:DisclosureOfDeferredTaxAssetsAndLiabilitiesTable
804 Temporary difference, unused tax losses and unused tax credits [Axis] Axis ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
805 Temporary difference, unused tax losses and unused tax credits [member] Member ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
806 Social contribution [Member] Member cpl:SocialContributionMember
807 Income tax [Member] Member cpl:IncomeTaxMember
808 Subsidiaries [Axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
809 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
810 Companhia Paulista de Forca e Luz ("CPFL Paulista") [Member] Member cpl:CompanhiaPaulistadeForcaeLuzMember
811 Companhia Piratininga de Forca e Luz ("CPFL Piratininga") [Member] Member cpl:CompanhiaPiratiningadeForcaeLuzMember
812 Rio Grande Energia S.A. [Member] Member cpl:RioGrandeEnergiaSAMember
813 RGE Sul Distribuidora de Energia S.A. ("RGE") [Member] Member cpl:RGESulDistribuidoradeEnergiaSAMember
814 CPFL Geracao de Energia S.A. ("CPFL Geracao") [Member] Member cpl:CPFLGeracaodeEnergiaSAMember
815 DisclosureOfDeferredTaxAssetsAndLiabilitiesLineItems [Line Items] LineItems cpl:DisclosureOfDeferredTaxAssetsAndLiabilitiesLineItems
816 Total Concept (Monetary) As Of Credit cpl:DeferredTaxLiabilityAssets
817 00000088 - Disclosure - (9) DEFERRED TAX ASSETS AND LIABILITIES (Details 2) Network

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 http://cpfl.riweb.com.br/role/DeferredTaxAssetsAndLiabilitiesDetails2
818 DisclosureOfDeferredTaxAssetsAndLiabilitiesTable [Table] Table

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 cpl:DisclosureOfDeferredTaxAssetsAndLiabilitiesTable
819 Temporary difference, unused tax losses and unused tax credits [Axis] Axis ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
820 Temporary difference, unused tax losses and unused tax credits [member] Member ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
821 Social contribution [Member] Member cpl:SocialContributionMember
822 Income tax [Member] Member cpl:IncomeTaxMember
823 PIS and COFINS [Member] Member cpl:PISAndCOFINSMember
824 DisclosureOfDeferredTaxAssetsAndLiabilitiesLineItems [Line Items] LineItems cpl:DisclosureOfDeferredTaxAssetsAndLiabilitiesLineItems
825 Temporarily nondeductible differences Abstract cpl:DeferredTaxLiabilityAssetTemporarilyNondeductibleDifferencesAbstract
826 Provision for tax, civil and labor risks Concept (Monetary) As Of Debit cpl:TemporarilyNondeductibleDifferencesProvisionForTaxCivilAndLaborRisks
827 Private pension fund Concept (Monetary) As Of Debit cpl:TemporarilyNondeductibleDifferencesPrivatePensionFund
828 Allowance for doubtful accounts Concept (Monetary) As Of Debit cpl:TemporarilyNondeductibleDifferencesAllowanceForDoubtfulDebts
829 Free energy supply Concept (Monetary) As Of Debit cpl:TemporarilyNondeductibleDifferencesFreeEnergySupply
830 Research and development and energy efficiency programs Concept (Monetary) As Of Debit cpl:TemporarilyNondeductibleDifferencesResearchAndDevelopmentAndEnergyEfficiencyPrograms
831 Personnel-related provisions Concept (Monetary) As Of Debit cpl:TemporarilyNondeductibleDifferencesPersonnelRelatedProvisions
832 Depreciation rate difference Concept (Monetary) As Of Debit cpl:TemporarilyNondeductibleDifferencesDepreciationRateDifference
833 Derivatives Concept (Monetary) As Of Credit cpl:TemporarilyNondeductibleDifferencesDerivatives
834 Recognition of concession - adjustment of intangible asset (IFRS) Concept (Monetary) As Of Credit cpl:TemporarilyNondeductibleDifferencesRecognitionOfConcessionAdjustmentOfIntangibleAsset
835 Recognition of concession - adjustment of financial asset (IFRS) Concept (Monetary) As Of Credit cpl:TemporarilyNondeductibleDifferencesRecognitionOfConcessionAdjustmentOfFinancialAsset
836 Actuarial losses (IFRS) Concept (Monetary) As Of Debit cpl:TemporarilyNondeductibleDifferencesActuarialLosses
837 Financial instruments (IFRS) Concept (Monetary) As Of Credit cpl:TemporarilyNondeductibleDifferencesFinancialInstruments
838 Others Concept (Monetary) As Of Debit cpl:TemporarilyNondeductibleDifferencesOthers
839 Temporarily nondeductible differences Abstract cpl:TemporarilyNondeductibleDifferencesAccumulatedComprehensiveIncomeAbstract
840 Property, plant and equipment - adjustment of deemed cost (IFRS) Concept (Monetary) As Of Credit cpl:TemporarilyNondeductibleDifferencesAccumulatedComprehensiveIncomePropertyPlantAndEquipmentAdjustmentOfDeemedCost
841 Actuarial losses (IFRS) Concept (Monetary) As Of Debit cpl:TemporarilyNondeductibleDifferencesAccumulatedComprehensiveIncomeActuarialLosses
842 Temporarily nondeductible differences - Business combination - CPFL Renováveis Abstract cpl:TemporarilyNondeductibleDifferencesBusinessCombinationAbstract
843 Deferred taxes - asset: Abstract cpl:DeferredTaxAssetTemporarilyNondeductibleDifferencesAbstract
844 Provision for tax, civil and labor risks Concept (Monetary) As Of Credit cpl:ProvisionForTaxCivilAndLaborRisks
845 Fair value of property, plant and equipment (negative value added of assets) Concept (Monetary) As Of Credit cpl:DeferredTaxAssetTemporarilyNondeductibleDifferencesFairValueOfPropertyPlantAndEquipment
846 Deferred taxes - liability: Abstract cpl:DeferredTaxLiabilityTemporarilyNondeductibleDifferencesAbstract
847 Value added derived from determination of deemed cost Concept (Monetary) As Of Credit cpl:DeferredTaxLiabilityTemporarilyNondeductibleDifferencesValueAddedDerivedFromDeterminationOfDeemedCost
848 Intangible asset - exploration right/authorization in indirect subsidiaries acquired Concept (Monetary) As Of Credit cpl:DeferredTaxLiabilityTemporarilyNondeductibleDifferencesIntangibleAssetExplorationRightAuthorizationInIndirectSubsidiariesAcquired
849 Other temporary differences Concept (Monetary) As Of Credit cpl:DeferredTaxLiabilityOtherTemporarilyNondeductibleDifferences
850 Total Concept (Monetary) As Of Credit cpl:DeferredTaxLiabilityAssetTemporarilyNondeductibleDifferences
851 00000089 - Disclosure - (9) DEFERRED TAX ASSETS AND LIABILITIES (Details 3) Network

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 http://cpfl.riweb.com.br/role/DeferredTaxAssetsAndLiabilitiesDetails3
852 DisclosureOfDeferredTaxAssetsAndLiabilitiesTable [Table] Table

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 cpl:DisclosureOfDeferredTaxAssetsAndLiabilitiesTable
853 Temporary difference, unused tax losses and unused tax credits [Axis] Axis ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
854 Temporary difference, unused tax losses and unused tax credits [member] Member ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
855 Social contribution [Member] Member cpl:SocialContributionMember
856 Income tax [Member] Member cpl:IncomeTaxMember
857 DisclosureOfDeferredTaxAssetsAndLiabilitiesLineItems [Line Items] LineItems cpl:DisclosureOfDeferredTaxAssetsAndLiabilitiesLineItems
858 Profit before taxes Concept (Monetary) For Period Credit ifrs-full:AccountingProfit
859 Reconciliation to reflect effective rate: Abstract ifrs-full:ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract
860 Equity interest in associates and joint ventures Concept (Monetary) For Period Debit cpl:TaxEffectOfEquityInterestInAssociatesAndJointVentures
861 Amortization of intangible asset acquired Concept (Monetary) For Period Debit cpl:AmortizationOfIntangibleAssetAcquired
862 Effect of presumed profit regime Concept (Monetary) For Period Debit cpl:TaxEffectOfPresumedProfitRegime
863 Adjustment of revenue from excess demand and excess reactive power Concept (Monetary) For Period Credit cpl:TaxEffectOfAdjustmentOfRevenueFromExcessDemandAndExcessReactivePower
864 Tax incentive - operating profit Concept (Monetary) For Period Credit cpl:TaxIncentiveOperatingProfit
865 Other permanent additions (exclusions), net Concept (Monetary) For Period Debit cpl:OtherPermanentAdditionsExclusionsNet
866 Tax base Concept (Monetary) For Period Credit cpl:TaxEffectIncomeExpense
867 Statutory rate Concept (Percent) For Period ifrs-full:ApplicableTaxRate
868 Tax credit (debit) Concept (Monetary) For Period Debit cpl:TaxCreditDebit
869 Recognized (unrecognized) tax credit, net Concept (Monetary) For Period Debit cpl:RecognizedAndUnrecognizedTaxCreditNet
870 Total Concept (Monetary) For Period Debit cpl:IncomeTaxExpenseContinuingOperation
871 Current Concept (Monetary) For Period Debit ifrs-full:CurrentTaxExpenseIncome
872 Deferred Concept (Monetary) For Period Debit ifrs-full:DeferredTaxExpenseIncome
873 00000090 - Disclosure - (9) DEFERRED TAX ASSETS AND LIABILITIES (Details 4) Network

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 http://cpfl.riweb.com.br/role/DeferredTaxAssetsAndLiabilitiesDetails4
874 DisclosureOfDeferredTaxAssetsAndLiabilitiesTable [Table] Table

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 cpl:DisclosureOfDeferredTaxAssetsAndLiabilitiesTable
875 Temporary difference, unused tax losses and unused tax credits [Axis] Axis ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
876 Temporary difference, unused tax losses and unused tax credits [member] Member ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
877 Social contribution [Member] Member cpl:SocialContributionMember
878 Income tax [Member] Member cpl:IncomeTaxMember
879 DisclosureOfDeferredTaxAssetsAndLiabilitiesLineItems [Line Items] LineItems cpl:DisclosureOfDeferredTaxAssetsAndLiabilitiesLineItems
880 Actuarial losses (gains) Concept (Monetary) For Period Debit cpl:IncomeTaxActuarialLossesGains
881 Effects of asset ceiling Concept (Monetary) For Period Debit cpl:IncomeTaxLimitsOnAssetCeiling
882 Basis of calculation Concept (Monetary) For Period Debit cpl:IncomeTaxCalculation
883 Statutory rate Concept (Percent) For Period ifrs-full:ApplicableTaxRate
884 Calculated taxes Concept (Monetary) For Period Debit cpl:TaxExpenseIncomeAtApplicableTaxRate1
885 Limitation on recognition (reversal) of tax credits Concept (Monetary) For Period Debit cpl:LimitationOnRecognitionReversalOfTaxCredits
886 Taxes recognized in other comprehensive income Concept (Monetary) For Period ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome
887 00000091 - Disclosure - (9) DEFERRED TAX ASSETS AND LIABILITIES (Details Narrative) Network

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 http://cpfl.riweb.com.br/role/DeferredTaxAssetsAndLiabilitiesDetailsNarrative
888 DisclosureOfDeferredTaxAssetsAndLiabilitiesTable [Table] Table

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 cpl:DisclosureOfDeferredTaxAssetsAndLiabilitiesTable
889 Subsidiaries [Axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
890 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
891 CPFL Energias Renovaveis S.A. ("CPFL Renovaveis") [Member] Member cpl:CPFLEnergiasRenovaveisSAMember
892 RGE Sul Distribuidora de Energia S.A. ("RGE") [Member] Member cpl:RGESulDistribuidoradeEnergiaSAMember
893 Sul Geradora Participacoes S.A. ("Sul Geradora") [Member] Member cpl:SulGeradoraParticipacoesSAMember
894 CPFL Telecom S.A ("CPFL Telecom") [Member] Member cpl:CPFLTelecomSAMember
895 CPFL Jaguari de Geracao de Energia Ltda ("CPFL Jaguari Geracao") [Member] Member cpl:CPFLJaguarideGeracaodeEnergiaLtdaMember
896 DisclosureOfDeferredTaxAssetsAndLiabilitiesLineItems [Line Items] LineItems cpl:DisclosureOfDeferredTaxAssetsAndLiabilitiesLineItems
897 Tax credits on tax loss carryforwards Concept (Monetary) As Of ifrs-full:UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised
898 00000092 - Disclosure - (10) CONCESSION FINANCIAL ASSET (Details) Network

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 http://cpfl.riweb.com.br/role/ConcessionFinancialAssetDetails
899 DisclosureOfConcessionFinancialAssetTable [Table] Table

*

*

 cpl:DisclosureOfConcessionFinancialAssetTable
900 Types of rate-regulated activities [axis] Axis ifrs-full:TypesOfRateregulatedActivitiesAxis
901 Rate-regulated activities [member] Member ifrs-full:RateregulatedActivitiesMember
902 Distribution [Member] Member ifrs-full:ElectricityDistributionMember
903 Transmission [Member] Member cpl:ElectricitytransmissionMember
904 DisclosureOfConcessionFinancialAssetLineItems [Line Items] LineItems cpl:DisclosureOfConcessionFinancialAssetLineItems
905 Balance at the beginning of the period Concept (Monetary) For Period Debit cpl:FinancialAssets1
906 Current Concept (Monetary) As Of Debit cpl:FinancialAssetsCurrent
907 Noncurrent Concept (Monetary) For Period Debit cpl:NoncurrentConcessionFinancialAssets2
908 Additions Concept (Monetary) For Period Debit ifrs-full:IncreaseThroughOriginationOrPurchaseFinancialAssets
909 Spin-off generation activity on the distribuition Concept (Monetary) For Period Debit cpl:SpinOffGenerationActivityOnTheDistribuition
910 Adjustment of expected cash flow Concept (Monetary) For Period Debit cpl:AdjustmentOfExpectedCashFlow
911 Adjustment - financial asset measured at amortized cost Concept (Monetary) For Period Debit cpl:AdjustmentToFinancialAssetMeasuredAtAmortizedCost
912 Cash inputs - RAP Concept (Monetary) For Period Debit cpl:CashInputsOfRAP
913 Disposals Concept (Monetary) For Period Debit cpl:GainLossOnDispositionOfFinancialAssets
914 Business combination Concept (Monetary) For Period Debit cpl:AdjustmentRelatedToBusinessCombination
915 Adoption of IFRS 15 (note 3) Concept (Monetary) For Period Credit cpl:AdjustmentOfAdoptionOfIFRS15
916 Balance at the end of the period Concept (Monetary) For Period Debit cpl:AssetsFinancial1
917 Current Concept (Monetary) For Period Debit cpl:CurrentConcessionFinancialAssets1
918 Noncurrent Concept (Monetary) For Period Debit cpl:NoncurrentConcessionFinancialAssets1
919 00000093 - Disclosure - (10) CONCESSION FINANCIAL ASSET (Details Narrative) Network

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 http://cpfl.riweb.com.br/role/ConcessionFinancialAssetDetailsNarrative
920 Implied Table Table

*

*

 implied:Table
921 Concession Financial Asset Abstract cpl:ConcessionFinancialAssetDetailsNarrativeAbstract
922 Other Operating Income Concept (Monetary) For Period Credit cpl:OtherOperatingIncome1
923 00000094 - Disclosure - (11) OTHER ASSETS (Details) Network

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 http://cpfl.riweb.com.br/role/OtherAssetsDetails
924 DisclosureOfOtherAssetsTable [Table] Table

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 cpl:DisclosureOfOtherAssetsTable
925 Assets and liabilities [Axis] Axis ifrs-full:AssetsAndLiabilitiesAxis
926 Assets and liabilities [member] Member ifrs-full:AssetsAndLiabilitiesMember
927 Current [Member] Member ifrs-full:CurrentMember
928 Noncurrent [Member] Member cpl:NoncurrentMember
929 DisclosureOfOtherAssetsLineItems [Line Items] LineItems cpl:DisclosureOfOtherAssetsLineItems
930 Advances - Fundacao CESP Concept (Monetary) As Of Debit cpl:AdvancesFundacaoCESP
931 Advances to suppliers Concept (Monetary) As Of Debit cpl:AdvancesToSuppliers
932 Pledges, funds and restricted deposits Concept (Monetary) As Of Debit cpl:PledgesFundsAndRestrictedDeposits
933 Orders in progress Concept (Monetary) As Of Debit cpl:OrdersInProgress
934 Services rendered to third parties Concept (Monetary) As Of Debit cpl:ServicesRenderedToThirdParties
935 Energy pre-purchase agreements Concept (Monetary) As Of Debit cpl:EnergyPrePurchaseAgreements
936 Prepaid expenses Concept (Monetary) As Of Debit cpl:PrepaidExpenses
937 GSF Insurance Premium Concept (Monetary) As Of Debit cpl:GSFInsurancePremium
938 Receivables - CDE Concept (Monetary) As Of Debit cpl:ReceivablesCDE
939 Advances to employees Concept (Monetary) As Of Debit cpl:AdvancesToEmployees
940 Contract asset of transmission Concept (Monetary) As Of Debit ifrs-full:NoncurrentContractAssets
941 Others Concept (Monetary) As Of Debit cpl:Others
942 (-) Allowance for doubtful accounts (note 6) Concept (Monetary) As Of Debit cpl:AllowanceForDoubtfulDebts
943 Total Concept (Monetary) As Of Debit ifrs-full:OtherReceivables
944 00000095 - Disclosure - (12) INVESTMENTS (Details) Network

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 http://cpfl.riweb.com.br/role/InvestmentsDetails
945 Implied Table Table

*

*

 implied:Table
946 Investments Abstract cpl:InvestmentsDetailsAbstract
947 Permanent equity interests - equity method of the joint venture Concept (Monetary) As Of Debit cpl:InvestmentsAccountedForUsingEquityMethod
948 Permanent equity interests - fair value of assets, net Concept (Monetary) As Of Debit cpl:InvestmentAccountedForEquityMethod
949 Total Concept (Monetary) As Of Debit ifrs-full:InvestmentAccountedForUsingEquityMethod
950 00000096 - Disclosure - (12) INVESTMENTS (Details 1) Network

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 http://cpfl.riweb.com.br/role/InvestmentsDetails1
951 DisclosureOfInvestmentsTable [Table] Table

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 cpl:DisclosureOfInvestmentsTable
952 Joint ventures [Axis] Axis ifrs-full:JointVenturesAxis
953 Entity's total for joint ventures [member] Member ifrs-full:EntitysTotalForJointVenturesMember
954 BAESA - Energetica Barra Grande S.A. [Member] Member cpl:BAESAEnergeticaBarraGrandeSAMember
955 Campos Novos Energia S.A. ("ENERCAN") [Member] Member cpl:CamposNovosEnergiaSAMember
956 Chapecoense Geracao S.A. ("Chapecoense") [Member] Member cpl:ChapecoenseGeracaoSAMember
957 Centrais Eletricas da Paraiba S.A. ("EPASA") [Member] Member cpl:CentraisEletricasdaParaibaSAMember
958 Measurement [Axis] Axis ifrs-full:MeasurementAxis
959 Aggregated measurement [member] Member ifrs-full:AggregatedMeasurementMember
960 At fair value [member] Member ifrs-full:AtFairValueMember
961 DisclosureOfInvestmentsLineItems [Line Items] LineItems cpl:DisclosureOfInvestmentsLineItems
962 Share of equity Concept (Monetary) As Of Debit ifrs-full:InvestmentAccountedForUsingEquityMethod
963 Share of profit (loss) Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
964 00000097 - Disclosure - (12) INVESTMENTS (Details 2) Network

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 http://cpfl.riweb.com.br/role/InvestmentsDetails2
965 DisclosureOfInvestmentsTable [Table] Table

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 cpl:DisclosureOfInvestmentsTable
966 Joint ventures [Axis] Axis ifrs-full:JointVenturesAxis
967 Entity's total for joint ventures [member] Member ifrs-full:EntitysTotalForJointVenturesMember
968 Investco S.A [Member] Member cpl:InvestcoSAMember
969 BAESA - Energetica Barra Grande S.A. [Member] Member cpl:BAESAEnergeticaBarraGrandeSAMember
970 Campos Novos Energia S.A. ("ENERCAN") [Member] Member cpl:CamposNovosEnergiaSAMember
971 Chapecoense Geracao S.A. ("Chapecoense") [Member] Member cpl:ChapecoenseGeracaoSAMember
972 DisclosureOfInvestmentsLineItems [Line Items] LineItems cpl:DisclosureOfInvestmentsLineItems
973 Dividend Concept (Monetary) For Period Debit cpl:DividendsReceivedFromAssociatesClassifiedAsInvesting
974 Interest on own capital Concept (Monetary) For Period Debit cpl:InterestOnCapital
975 Total Concept (Monetary) For Period Debit cpl:DividendAndInterestOnCapital1
976 00000098 - Disclosure - (12) INVESTMENTS (Details 3) Network

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 http://cpfl.riweb.com.br/role/InvestmentsDetails3
977 DisclosureOfInvestmentsTable [Table] Table

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 cpl:DisclosureOfInvestmentsTable
978 Joint ventures [Axis] Axis ifrs-full:JointVenturesAxis
979 Entity's total for joint ventures [member] Member ifrs-full:EntitysTotalForJointVenturesMember
980 Campos Novos Energia S.A. ("ENERCAN") [Member] Member cpl:CamposNovosEnergiaSAMember
981 BAESA - Energetica Barra Grande S.A. [Member] Member cpl:BAESAEnergeticaBarraGrandeSAMember
982 Chapecoense Geracao S.A. ("Chapecoense") [Member] Member cpl:ChapecoenseGeracaoSAMember
983 Centrais Eletricas da Paraiba S.A. ("EPASA") [Member] Member cpl:CentraisEletricasdaParaibaSAMember
984 DisclosureOfInvestmentsLineItems [Line Items] LineItems cpl:DisclosureOfInvestmentsLineItems
985 Current assets Concept (Monetary) As Of Debit cpl:CurrentAssets1
986 Cash and cash equivalents Concept (Monetary) As Of Debit cpl:CashAndCashEquivalents1
987 Noncurrent assets Concept (Monetary) As Of Debit cpl:NoncurrentAssets1
988 Current liabilities Concept (Monetary) As Of Credit cpl:CurrentLiabilities1
989 Borrowings Concept (Monetary) As Of Credit cpl:ShorttermBorrowings1
990 Other financial liabilities Concept (Monetary) As Of Credit cpl:OtherCurrentFinancialLiabilities1
991 Noncurrent liabilities Concept (Monetary) As Of Credit cpl:NoncurrentLiabilities1
992 Borrowings and debentures Concept (Monetary) As Of Credit cpl:LongtermBorrowings3
993 Other financial liabilities Concept (Monetary) As Of Credit cpl:OtherNoncurrentFinancialLiabilities1
994 Equity Concept (Monetary) As Of Credit cpl:Equity1
995 Net operating revenue Concept (Monetary) For Period Credit cpl:Revenue1
996 Operational costs and expenses Concept (Monetary) For Period Credit cpl:OperationalCostsAndExpenses
997 Depreciation and amortization Concept (Monetary) For Period Debit cpl:DepreciationAndAmortisationExpense1
998 Interest income Concept (Monetary) For Period Credit cpl:RevenueFromInterest1
999 Interest expense Concept (Monetary) For Period Debit cpl:InterestExpense1
1000 Income tax expense Concept (Monetary) For Period Debit cpl:IncomeTaxExpenseContinuingOperations1
1001 Profit for the year Concept (Monetary) For Period Credit cpl:ProfitLoss1
1002 Equity Interests and voting capital Concept (Percent) For Period ifrs-full:ProportionOfVotingRightsHeldInJointVenture
1003 00000099 - Disclosure - (13) PROPERTY, PLANT AND EQUIPMENT (Details) Network

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 http://cpfl.riweb.com.br/role/PropertyPlantAndEquipmentDetails
1004 Disclosure of detailed information about property, plant and equipment [table] Table

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 ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
1005 Classes of property, plant and equipment [Axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
1006 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
1007 Land [Member] Member ifrs-full:LandMember
1008 Reservoirs, dams and water mains [Member] Member cpl:ReservoirsDamsAndWaterMainsMember
1009 Buildings, construction and improvements [Member] Member ifrs-full:BuildingsMember
1010 Machinery and equipment [Member] Member ifrs-full:MachineryMember
1011 Vehicles [Member] Member ifrs-full:VehiclesMember
1012 Furniture and fittings [Member] Member ifrs-full:FixturesAndFittingsMember
1013 In progress [Member] Member ifrs-full:ConstructionInProgressMember
1014 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1015 Carrying amount [member] Member ifrs-full:CarryingAmountMember
1016 Gross carrying amount [Member] Member ifrs-full:GrossCarryingAmountMember
1017 Accumulated Depreciation [Member] Member ifrs-full:AccumulatedDepreciationAmortisationAndImpairmentMember
1018 Disclosure of detailed information about property, plant and equipment [line items] LineItems ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
1019 Beginning Balance Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
1020 Additions Concept (Monetary) For Period Debit ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment
1021 Disposals Concept (Monetary) For Period Credit ifrs-full:DisposalsPropertyPlantAndEquipment
1022 Transfers Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesPropertyPlantAndEquipment
1023 Reclassification - cost Concept (Monetary) For Period Debit cpl:ReclassificationCost
1024 Transfers from/to other assets - cost Concept (Monetary) For Period Debit cpl:IncreaseDecreaseThroughTransfersInvestmentPropertyPropertyPlantAndEquipment
1025 Depreciation Concept (Monetary) For Period ifrs-full:DepreciationPropertyPlantAndEquipment
1026 Write-off of depreciation Concept (Monetary) For Period Credit cpl:WriteoffOfDepreciation
1027 Reclassification - depreciation Concept (Monetary) For Period Debit cpl:ReclassificationDepreciation
1028 Transfers from/to other assets - depreciation Concept (Monetary) For Period Debit cpl:IncreaseDecreaseThroughDepreciationPropertyPlantAndEquipment
1029 Impairment losses Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment
1030 Business combinations Concept (Monetary) For Period Debit ifrs-full:AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment
1031 Others Concept (Monetary) For Period Credit cpl:OtherAdjustmentsToPropertyPlantAndEquipment
1032 End Balance Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
1033 Average depreciation rate Concept (Percent) For Period cpl:AverageDepreciationRate
1034 00000100 - Disclosure - (14) INTANGIBLE ASSETS (Details) Network

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1035 Disclosure of detailed information about intangible assets [table] Table

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 ifrs-full:DisclosureOfIntangibleAssetsTable
1036 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1037 Carrying amount [member] Member ifrs-full:CarryingAmountMember
1038 Gross carrying amount [Member] Member ifrs-full:GrossCarryingAmountMember
1039 Accumulated depreciation, amortisation and impairment [Member] Member ifrs-full:AccumulatedDepreciationAmortisationAndImpairmentMember
1040 Classes of intangible assets and goodwill [axis] Axis ifrs-full:ClassesOfIntangibleAssetsAndGoodwillAxis
1041 Intangible assets and goodwill [member] Member ifrs-full:IntangibleAssetsAndGoodwillMember
1042 Goodwill [Member] Member ifrs-full:GoodwillMember
1043 Concession right Acquired in business combinations [Member] Member ifrs-full:ValueOfBusinessAcquiredMember
1044 Concession right Distribution infrastructure - operational [Member] Member cpl:DistributionInfrastructureOperationalMember
1045 Concession right Distribution infrastructure - in progress [Member] Member ifrs-full:IntangibleAssetsUnderDevelopmentMember
1046 Public utilities Member us-gaap:PublicUtilitiesMember
1047 Other intangible assets [Member] Member ifrs-full:OtherIntangibleAssetsMember
1048 Disclosure of detailed information about intangible assets [line items] LineItems ifrs-full:DisclosureOfIntangibleAssetsLineItems
1049 Beginning balance Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsAndGoodwill
1050 Additions Concept (Monetary) For Period Debit ifrs-full:AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill
1051 Amortization Concept (Monetary) For Period ifrs-full:AmortisationIntangibleAssetsOtherThanGoodwill
1052 Transfer - intangible assets Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughTransfersIntangibleAssetsOtherThanGoodwill
1053 Transfer - financial asset Concept (Monetary) For Period Debit cpl:IncreaseDecreaseThroughTransfersFinancialAssets1
1054 Transfers from concession financial asset - extended concessions Concept (Monetary) For Period Debit cpl:IncreaseDecreaseThroughTransfersConcessionFinancialAsset1
1055 Disposal and transfer - other assets Concept (Monetary) For Period Credit ifrs-full:DisposalsIntangibleAssetsOtherThanGoodwill
1056 Corporate restructuring - note 14.4.1 Concept (Monetary) For Period Debit cpl:CorporateRestructuringIntangibleAssets
1057 Business combination Concept (Monetary) For Period Debit ifrs-full:AcquisitionsThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill
1058 Impairment losses Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill
1059 IFRS 15 adoption (note 3) Concept (Monetary) For Period Credit cpl:AdjustmentsToIntangibleAssetsFromAdoptionOfIFRS15
1060 Others Concept (Monetary) For Period Credit cpl:OtherAdjustmentsToIntangibleAssets
1061 Ending balance Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsAndGoodwill
1062 00000102 - Disclosure - (14) INTANGIBLE ASSETS (Details 2) Network

*

*

 http://cpfl.riweb.com.br/role/IntangibleAssetsDetails2
1063 Implied Table Table

*

*

 implied:Table
1064 Intangible Assets Abstract cpl:IntangibleAssetsDetails2Abstract
1065 Contract asset - in progress, beginning Concept (Monetary) As Of Debit ifrs-full:ContractAssets
1066 Adoption of IFRS 15 (note 3) Concept (Monetary) For Period Credit cpl:AdjustmentsToContractAssetsFromAdoptionOfIFRS15
1067 Additions Concept (Monetary) For Period Debit cpl:AdditionsOtherThanThroughBusinessCombinationsContractAssets
1068 Transfer - intangible assets Concept (Monetary) For Period Debit cpl:IncreaseDecreaseToContractAssetsThroughTransfersIntangibleAssets
1069 Transfer - financial assets Concept (Monetary) For Period Debit cpl:IncreaseDecreaseToContractAssetsThroughTransfersFinancialAssets
1070 Disposal and transfer - other assets Concept (Monetary) For Period Credit cpl:DisposalsContractAssets
1071 Contract asset - in progress, ending Concept (Monetary) As Of Debit ifrs-full:ContractAssets
1072 Noncurrent Concept (Monetary) As Of Debit ifrs-full:NoncurrentContractAssets
1073 00000103 - Disclosure - (14) INTANGIBLE ASSETS (Details Narrative) Network

*

*

 http://cpfl.riweb.com.br/role/IntangibleAssetsDetailsNarrative
1074 Implied Table Table

*

*

 implied:Table
1075 Intangible Assets Abstract cpl:IntangibleAssetsDetailsNarrativeAbstract
1076 Capitalized interest on borrowings Concept (Monetary) For Period ifrs-full:BorrowingCostsCapitalised
1077 Percentage of capitalized interest rate on borrowings Concept (Percent) For Period cpl:PercentageOfCapitalizedInterestRateOnBorrowings
1078 Impairment of intangible asset Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill
1079 00000104 - Disclosure - (15) TRADE PAYABLES (Details) Network

*

*

 http://cpfl.riweb.com.br/role/TradePayablesDetails
1080 Implied Table Table

*

*

 implied:Table
1081 Trade Payables Abstract cpl:TradePayablesDetailsAbstract
1082 Current Abstract ifrs-full:TradeAndOtherCurrentPayablesAbstract
1083 System service charges Concept (Monetary) As Of Credit cpl:CurrentPayablesForSystemServiceCharges
1084 Energy purchased Concept (Monetary) As Of Credit cpl:NoncurrentPayablesForCurrentPayablesForPurchaseOfEnergy
1085 Electricity network usage charges Concept (Monetary) As Of Credit cpl:CurrentPayablesForElectricityNetworkUsageCharges
1086 Materials and services Concept (Monetary) As Of Credit cpl:CurrentPayablesForMaterialsAndServices
1087 Energy from the Free Market Concept (Monetary) As Of Credit cpl:CurrentPayablesForFreeEnergy
1088 Total Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayables
1089 Noncurrent Abstract ifrs-full:NoncurrentPayablesAbstract
1090 Energy purchased Concept (Monetary) As Of Credit ifrs-full:NoncurrentPayablesForPurchaseOfEnergy
1091 Total Concept (Monetary) As Of Credit ifrs-full:NoncurrentPayables
1092 00000107 - Disclosure - (16) BORROWINGS (Details 2) Network

*

*

 http://cpfl.riweb.com.br/role/BorrowingsDetails2
1093 DisclosureOfNoncurrentBorrowingsTable [Table] Table

*

*

 cpl:DisclosureOfNoncurrentBorrowingsTable
1094 Maturity [Axis] Axis ifrs-full:MaturityAxis
1095 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1096 2020 [Member] Member cpl:TwentyTwentyMember
1097 2021 [Member] Member cpl:TwentyTwentyOneMember
1098 2022 [Member] Member cpl:TwentyTwentyTwoMember
1099 2023 [Member] Member cpl:TwentyTwentyThreeMember
1100 2024 [Member] Member cpl:TwentyTwentyFourMember
1101 2025 to 2029 [Member] Member cpl:TwentyTwentyFiveToTwentyTwentyNineMember
1102 2030 to 2034 [Member] Member cpl:TwentyThirtyToTwentyThirtyFourMember
1103 2035 to 2039 [Member] Member cpl:TwentyThirtyFiveToTwentyThirtyNineMember
1104 2040 to 2044 [Member] Member cpl:TwentyFortyToTwentyFortyFourMember
1105 Subtotal [Member] Member cpl:SubtotalMember
1106 Mark to market [Member] Member cpl:MarkToMarketMember
1107 DisclosureOfNoncurrentBorrowingsLineItems [Line Items] LineItems cpl:DisclosureOfNoncurrentBorrowingsLineItems
1108 Noncurrent borrowings Concept (Monetary) As Of Credit ifrs-full:LongtermBorrowings
1109 00000110 - Disclosure - (17) DEBENTURES (Details) Network

*

*

 http://cpfl.riweb.com.br/role/DebenturesDetails
1110 DisclosureOfDebenturesTable [Table] Table

*

*

 cpl:DisclosureOfDebenturesTable
1111 Measurement [Axis] Axis ifrs-full:MeasurementAxis
1112 Aggregated measurement [member] Member ifrs-full:AggregatedMeasurementMember
1113 Measured at amortized cost [Member] Member ifrs-full:AtCostMember
1114 Borrowing costs [Member] Member cpl:BorrowingCostsMember
1115 At fair value [member] Member ifrs-full:AtFairValueMember
1116 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1117 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1118 Floating Rate [Member] Member ifrs-full:FloatingInterestRateMember
1119 Categories Of Related Parties [Axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1120 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1121 TJLP [Member] Member cpl:TJLPMember
1122 CDI [Member] Member cpl:CDIMember
1123 IPCA [Member] Member cpl:IPCAMember
1124 Mark to market [Member] Member cpl:MarkToMarketMember
1125 DisclosureOfDebenturesLineItems [Line Items] LineItems cpl:DisclosureOfDebenturesLineItems
1126 Borrowings, beginning Concept (Monetary) As Of Credit cpl:Debentures
1127 Debentures raised Concept (Monetary) For Period Debit cpl:ProceedsFromDebentures
1128 Repayment Concept (Monetary) For Period Credit cpl:RepaymentsOfDebentures
1129 Interest, inflation adjustment and mark to market Concept (Monetary) For Period Credit cpl:DebenturesInterestInflationAdjustmentAndMarkToMarket
1130 Exchange rates Concept (Monetary) For Period Debit cpl:DebenturesExchangeRateVariations
1131 Borrowings, ending Concept (Monetary) As Of Credit cpl:Debentures
1132 Current Concept (Monetary) As Of Credit cpl:CurrentDebentures
1133 Noncurrent Concept (Monetary) As Of Credit cpl:NoncurrentDebentures
1134 00000111 - Disclosure - (17) DEBENTURES (Details 1) Network

*

*

 http://cpfl.riweb.com.br/role/DebenturesDetails1
1135 DisclosureOfDebenturesTable [Table] Table

*

*

 cpl:DisclosureOfDebenturesTable
1136 Measurement [Axis] Axis ifrs-full:MeasurementAxis
1137 Aggregated measurement [member] Member ifrs-full:AggregatedMeasurementMember
1138 Measured at amortized cost [Member] Member ifrs-full:AtCostMember
1139 At fair value [member] Member ifrs-full:AtFairValueMember
1140 Types of interest rates [axis] Axis ifrs-full:TypesOfInterestRatesAxis
1141 Interest rate types [member] Member ifrs-full:InterestRateTypesMember
1142 Floating Rate [Member] Member ifrs-full:FloatingInterestRateMember
1143 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1144 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1145 TJLP [Member] Member cpl:TJLPMember
1146 CDI [Member] Member cpl:CDIMember
1147 CDI [Member] Member cpl:CDI2Member
1148 IPCA [Member] Member cpl:IPCAMember
1149 Mark to market [Member] Member cpl:MarkToMarketMember
1150 DisclosureOfDebenturesLineItems [Line Items] LineItems cpl:DisclosureOfDebenturesLineItems
1151 Annual interest Concept (Text/String) For Period cpl:DebenturesInterestRateBasis
1152 Debentures Concept (Monetary) As Of Credit cpl:Debentures
1153 Maturity range Concept (Text/String) For Period cpl:DebenturesMaturity
1154 Collateral Concept (Text/String) For Period cpl:DebenturesCollateral
1155 Borrowing costs Concept (Monetary) As Of Debit cpl:NetBorrowingCostsDebentures
1156 00000112 - Disclosure - (17) DEBENTURES (Details 2) Network

*

*

 http://cpfl.riweb.com.br/role/DebenturesDetails2
1157 DisclosureOfDebenturesTable [Table] Table

*

*

 cpl:DisclosureOfDebenturesTable
1158 Maturity [Axis] Axis ifrs-full:MaturityAxis
1159 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1160 2020 [Member] Member cpl:TwentyTwentyMember
1161 2021 [Member] Member cpl:TwentyTwentyOneMember
1162 2022 [Member] Member cpl:TwentyTwentyTwoMember
1163 2023 [Member] Member cpl:TwentyTwentyThreeMember
1164 2024 [Member] Member cpl:TwentyTwentyFourMember
1165 2025 to 2029 [Member] Member cpl:TwentyTwentyFiveToTwentyTwentyNineMember
1166 2030 to 2034 [Member] Member cpl:TwentyThirtyToTwentyThirtyFourMember
1167 Subtotal [Member] Member cpl:SubtotalMember
1168 Mark to market [Member] Member cpl:MarkToMarketMember
1169 DisclosureOfDebenturesLineItems [Line Items] LineItems cpl:DisclosureOfDebenturesLineItems
1170 Noncurrent debentures Concept (Monetary) As Of Credit cpl:NoncurrentDebentures
1171 00000113 - Disclosure - (17) DEBENTURES (Details 3) Network

*

*

 http://cpfl.riweb.com.br/role/DebenturesDetails3
1172 DisclosureOfDebenturesTable [Table] Table

*

*

 cpl:DisclosureOfDebenturesTable
1173 Types of interest rates [axis] Axis ifrs-full:TypesOfInterestRatesAxis
1174 Interest rate types [member] Member ifrs-full:InterestRateTypesMember
1175 Floating Rate [Member] Member ifrs-full:FloatingInterestRateMember
1176 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1177 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1178 CDI [Member] Member cpl:CDIMember
1179 IPCA [Member] Member cpl:IPCAMember
1180 Subsidiaries [Axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1181 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
1182 Companhia Paulista de Forca e Luz ("CPFL Paulista") [Member] Member cpl:CompanhiaPaulistadeForcaeLuzMember
1183 Companhia Piratininga de Forca e Luz ("CPFL Piratininga") [Member] Member cpl:CompanhiaPiratiningadeForcaeLuzMember
1184 CPFL Comercializacao Brasil S.A. ("CPFL Brasil") [Member] Member cpl:CPFLComercializacaoBrasilSAMember
1185 Companhia Luz e Forca Santa Cruz ("CPFL Santa Cruz") [Member] Member cpl:CompanhiaLuzeForcaSantaCruzMember
1186 Rio Grande Energia S.A. [Member] Member cpl:RioGrandeEnergiaSAMember
1187 RGE Sul Distribuidora de Energia S.A. ("RGE") [Member] Member cpl:RGESulDistribuidoradeEnergiaSAMember
1188 CPFL Geracao de Energia S.A. ("CPFL Geracao") [Member] Member cpl:CPFLGeracaodeEnergiaSAMember
1189 CPFL Geracao de Energia S.A. ("CPFL Geracao") [Member] Member cpl:CPFLGeracaodeEnergiaSA2Member
1190 CPFL Energias Renovaveis S.A. ("CPFL Renovaveis") [Member] Member cpl:CPFLEnergiasRenovaveisSAMember
1191 DisclosureOfDebenturesLineItems [Line Items] LineItems cpl:DisclosureOfDebenturesLineItems
1192 Issue Number Concept (Text/String) For Period cpl:Issue
1193 Quantity issued Concept (Integer) For Period cpl:BorrowingQuantityIssued
1194 Released in 2018 Concept (Monetary) For Period Debit cpl:BorrowingsIssuedAmount
1195 Released net of issuance costs Concept (Monetary) For Period Credit cpl:PaymentsForDebtIssueCosts1
1196 00000114 - Disclosure - (18) PRIVATE PENSION PLAN (Details) Network

*

*

 http://cpfl.riweb.com.br/role/PrivatePensionPlanDetails
1197 DisclosureOfPrivatePensionPlanTable [Table] Table

*

*

 cpl:DisclosureOfPrivatePensionPlanTable
1198 Subsidiaries [Axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1199 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
1200 Companhia Paulista de Forca e Luz ("CPFL Paulista") [Member] Member cpl:CompanhiaPaulistadeForcaeLuzMember
1201 Companhia Piratininga de Forca e Luz ("CPFL Piratininga") [Member] Member cpl:CompanhiaPiratiningadeForcaeLuzMember
1202 CPFL Geracao de Energia S.A. ("CPFL Geracao") [Member] Member cpl:CPFLGeracaodeEnergiaSAMember
1203 Rio Grande Energia S.A. [Member] Member cpl:RioGrandeEnergiaSAMember
1204 RGE Sul Distribuidora de Energia S.A. ("RGE") [Member] Member cpl:RGESulDistribuidoradeEnergiaSAMember
1205 Net defined benefit liability (asset) [axis] Axis ifrs-full:NetDefinedBenefitLiabilityAssetAxis
1206 Net defined benefit liability (asset) [member] Member ifrs-full:NetDefinedBenefitLiabilityAssetMember
1207 Present Value Of Actuarial Obligations [Member] Member ifrs-full:PresentValueOfDefinedBenefitObligationMember
1208 Fair Value Of Plan's Assets [Member] Member ifrs-full:PlanAssetsMember
1209 Present Value of Net Obligations [Member] Member cpl:PresentValueOfNetObligationsMember
1210 Effect Of Asset Ceiling [Member] Member ifrs-full:EffectOfAssetCeilingMember
1211 DisclosureOfPrivatePensionPlanLineItems [Line Items] LineItems cpl:DisclosureOfPrivatePensionPlanLineItems
1212 Net actuarial liability recognized in the statement of financial position Concept (Monetary) As Of Credit cpl:NetActuarialLiabilityRecognizedInStatementOfFinancialPosition
1213 00000115 - Disclosure - (18) PRIVATE PENSION PLAN (Details 1) Network

*

*

 http://cpfl.riweb.com.br/role/PrivatePensionPlanDetails1
1214 DisclosureOfPrivatePensionPlanTable [Table] Table

*

*

 cpl:DisclosureOfPrivatePensionPlanTable
1215 Subsidiaries [Axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1216 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
1217 Companhia Paulista de Forca e Luz ("CPFL Paulista") [Member] Member cpl:CompanhiaPaulistadeForcaeLuzMember
1218 Companhia Piratininga de Forca e Luz ("CPFL Piratininga") [Member] Member cpl:CompanhiaPiratiningadeForcaeLuzMember
1219 CPFL Geracao de Energia S.A. ("CPFL Geracao") [Member] Member cpl:CPFLGeracaodeEnergiaSAMember
1220 Rio Grande Energia S.A. [Member] Member cpl:RioGrandeEnergiaSAMember
1221 RGE Sul Distribuidora de Energia S.A. ("RGE") [Member] Member cpl:RGESulDistribuidoradeEnergiaSAMember
1222 Net defined benefit liability (asset) [axis] Axis ifrs-full:NetDefinedBenefitLiabilityAssetAxis
1223 Net defined benefit liability (asset) [member] Member ifrs-full:NetDefinedBenefitLiabilityAssetMember
1224 Present Value Of Actuarial Obligations [Member] Member ifrs-full:PresentValueOfDefinedBenefitObligationMember
1225 DisclosureOfPrivatePensionPlanLineItems [Line Items] LineItems cpl:DisclosureOfPrivatePensionPlanLineItems
1226 Changes In Net Defined Benefit Liability (Asset) Abstract ifrs-full:ChangesInNetDefinedBenefitLiabilityAssetAbstract
1227 Opening balance Concept (Monetary) For Period Credit cpl:LiabilityAssetOfDefinedBenefitPlans2
1228 Business combination Concept (Monetary) For Period Debit cpl:PresentValueOfActruarialObligationBusinessCombination
1229 Gross current service cost Concept (Monetary) For Period Credit cpl:CurrentServiceCostNetDefinedBenefitLiabilityAsset1
1230 Interest on actuarial obligations Concept (Monetary) For Period Credit cpl:InterestExpenseIncomeNetDefinedBenefitLiabilityAsset1
1231 Participants' contributions transferred during the year Concept (Monetary) For Period Debit ifrs-full:ContributionsToPlanNetDefinedBenefitLiabilityAsset
1232 Actuarial loss: effect of changes in demographic assumptions Concept (Monetary) For Period Debit cpl:ActuarialGainsLossesArisingFromChangesInDemographicAssumptionsNetDefinedBenefitLiabilityAsset1
1233 Actuarial loss: effect of changes in financial assumptions Concept (Monetary) For Period Debit cpl:ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset1
1234 Benefits paid during the year Concept (Monetary) For Period Debit ifrs-full:PaymentsFromPlanNetDefinedBenefitLiabilityAsset
1235 End balance Concept (Monetary) For Period Credit cpl:LiabilityAssetOfDefinedBenefitPlans3
1236 00000116 - Disclosure - (18) PRIVATE PENSION PLAN (Details 2) Network

*

*

 http://cpfl.riweb.com.br/role/PrivatePensionPlanDetails2
1237 DisclosureOfPrivatePensionPlanTable [Table] Table

*

*

 cpl:DisclosureOfPrivatePensionPlanTable
1238 Subsidiaries [Axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1239 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
1240 Companhia Paulista de Forca e Luz ("CPFL Paulista") [Member] Member cpl:CompanhiaPaulistadeForcaeLuzMember
1241 Companhia Piratininga de Forca e Luz ("CPFL Piratininga") [Member] Member cpl:CompanhiaPiratiningadeForcaeLuzMember
1242 CPFL Geracao de Energia S.A. ("CPFL Geracao") [Member] Member cpl:CPFLGeracaodeEnergiaSAMember
1243 Rio Grande Energia S.A. [Member] Member cpl:RioGrandeEnergiaSAMember
1244 RGE Sul Distribuidora de Energia S.A. ("RGE") [Member] Member cpl:RGESulDistribuidoradeEnergiaSAMember
1245 Net defined benefit liability (asset) [axis] Axis ifrs-full:NetDefinedBenefitLiabilityAssetAxis
1246 Net defined benefit liability (asset) [member] Member ifrs-full:NetDefinedBenefitLiabilityAssetMember
1247 Fair Value Of Plan's Assets [Member] Member ifrs-full:PlanAssetsMember
1248 DisclosureOfPrivatePensionPlanLineItems [Line Items] LineItems cpl:DisclosureOfPrivatePensionPlanLineItems
1249 Opening balance Concept (Monetary) For Period Credit cpl:LiabilityAssetOfDefinedBenefitPlansBeginning
1250 Business combination Concept (Monetary) For Period Debit cpl:FairValueOfActuarialAssetsBusinessCombination
1251 Expected return during the year Concept (Monetary) For Period Debit cpl:ReturnOnPlanAssetsNetDefinedBenefitLiabilityAsset1
1252 Participants' contributions transferred during the year Concept (Monetary) For Period Debit ifrs-full:ContributionsToPlanNetDefinedBenefitLiabilityAsset
1253 Sponsors' contributions Concept (Monetary) For Period Debit cpl:ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset1
1254 Actuarial loss (gain): return on assets Concept (Monetary) For Period Debit cpl:ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset1
1255 Benefits paid during the year Concept (Monetary) For Period Debit ifrs-full:PaymentsFromPlanNetDefinedBenefitLiabilityAsset
1256 End balance Concept (Monetary) For Period Credit cpl:LiabilityAssetOfDefinedBenefitPlansEnding
1257 00000117 - Disclosure - (18) PRIVATE PENSION PLAN (Details 3) Network

*

*

 http://cpfl.riweb.com.br/role/PrivatePensionPlanDetails3
1258 DisclosureOfPrivatePensionPlanTable [Table] Table

*

*

 cpl:DisclosureOfPrivatePensionPlanTable
1259 Subsidiaries [Axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1260 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
1261 Companhia Paulista de Forca e Luz ("CPFL Paulista") [Member] Member cpl:CompanhiaPaulistadeForcaeLuzMember
1262 Companhia Piratininga de Forca e Luz ("CPFL Piratininga") [Member] Member cpl:CompanhiaPiratiningadeForcaeLuzMember
1263 CPFL Geracao de Energia S.A. ("CPFL Geracao") [Member] Member cpl:CPFLGeracaodeEnergiaSAMember
1264 Rio Grande Energia S.A. [Member] Member cpl:RioGrandeEnergiaSAMember
1265 RGE Sul Distribuidora de Energia S.A. ("RGE") [Member] Member cpl:RGESulDistribuidoradeEnergiaSAMember
1266 Net defined benefit liability (asset) [axis] Axis ifrs-full:NetDefinedBenefitLiabilityAssetAxis
1267 Net defined benefit liability (asset) [member] Member ifrs-full:NetDefinedBenefitLiabilityAssetMember
1268 Net actuarial liability [Member] Member cpl:NetActuarialLiabilityMember
1269 DisclosureOfPrivatePensionPlanLineItems [Line Items] LineItems cpl:DisclosureOfPrivatePensionPlanLineItems
1270 Opening balance Concept (Monetary) As Of Credit ifrs-full:LiabilityAssetOfDefinedBenefitPlans
1271 Opening balance Concept (Monetary) For Period Credit cpl:LiabilityAssetOfDefinedBenefitPlansOpeningBalance
1272 Business combination Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughBusinessCombinationsAndDisposalsNetDefinedBenefitLiabilityAsset
1273 Expenses (income) recognized in the statement of profit or loss Concept (Monetary) For Period Debit cpl:ExpensesIncomeRecognizedInStatementOfProfitOrLoss
1274 Sponsors' contributions transferred during the year Concept (Monetary) For Period Debit ifrs-full:ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset
1275 Actuarial loss (gain): effect of changes in demographic assumptions Concept (Monetary) For Period Debit ifrs-full:ActuarialGainsLossesArisingFromChangesInDemographicAssumptionsNetDefinedBenefitLiabilityAsset
1276 Actuarial loss (gain): effect of changes in financial assumptions Concept (Monetary) For Period Debit ifrs-full:ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset
1277 Actuarial loss (gain): return on assets Concept (Monetary) For Period Debit cpl:ActuarialLossGainReturnOnAssets
1278 Effect of asset ceiling Concept (Monetary) For Period Debit cpl:EffectOfAssetCeiling
1279 End balance Concept (Monetary) As Of Credit ifrs-full:LiabilityAssetOfDefinedBenefitPlans
1280 End balance Concept (Monetary) For Period Credit cpl:LiabilityAssetOfDefinedBenefitPlansEndBalance
1281 Other contributions Concept (Monetary) As Of Debit cpl:OtherContribution
1282 Total liability Concept (Monetary) As Of Credit ifrs-full:ProvisionsForEmployeeBenefits
1283 Current Concept (Monetary) As Of Credit ifrs-full:CurrentProvisionsForEmployeeBenefits
1284 Noncurrent Concept (Monetary) As Of Credit ifrs-full:NoncurrentProvisionsForEmployeeBenefits
1285 00000118 - Disclosure - (18) PRIVATE PENSION PLAN (Details 4) Network

*

*

 http://cpfl.riweb.com.br/role/PrivatePensionPlanDetails4
1286 DisclosureOfPrivatePensionPlanTable [Table] Table

*

*

 cpl:DisclosureOfPrivatePensionPlanTable
1287 Subsidiaries [Axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1288 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
1289 Companhia Paulista de Forca e Luz ("CPFL Paulista") [Member] Member cpl:CompanhiaPaulistadeForcaeLuzMember
1290 Companhia Piratininga de Forca e Luz ("CPFL Piratininga") [Member] Member cpl:CompanhiaPiratiningadeForcaeLuzMember
1291 CPFL Geracao de Energia S.A. ("CPFL Geracao") [Member] Member cpl:CPFLGeracaodeEnergiaSAMember
1292 Rio Grande Energia S.A. [Member] Member cpl:RioGrandeEnergiaSAMember
1293 RGE Sul Distribuidora de Energia S.A. ("RGE") [Member] Member cpl:RGESulDistribuidoradeEnergiaSAMember
1294 DisclosureOfPrivatePensionPlanLineItems [Line Items] LineItems cpl:DisclosureOfPrivatePensionPlanLineItems
1295 Total Concept (Monetary) For Period Credit ifrs-full:EstimateOfContributionsExpectedToBePaidToPlan
1296 00000119 - Disclosure - (18) PRIVATE PENSION PLAN (Details 5) Network

*

*

 http://cpfl.riweb.com.br/role/PrivatePensionPlanDetails5
1297 DisclosureOfPrivatePensionPlanTable [Table] Table

*

*

 cpl:DisclosureOfPrivatePensionPlanTable
1298 Subsidiaries [Axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1299 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
1300 Companhia Paulista de Forca e Luz ("CPFL Paulista") [Member] Member cpl:CompanhiaPaulistadeForcaeLuzMember
1301 Companhia Piratininga de Forca e Luz ("CPFL Piratininga") [Member] Member cpl:CompanhiaPiratiningadeForcaeLuzMember
1302 CPFL Geracao de Energia S.A. ("CPFL Geracao") [Member] Member cpl:CPFLGeracaodeEnergiaSAMember
1303 Rio Grande Energia S.A. [Member] Member cpl:RioGrandeEnergiaSAMember
1304 RGE Sul Distribuidora de Energia S.A. ("RGE") [Member] Member cpl:RGESulDistribuidoradeEnergiaSAMember
1305 DisclosureOfPrivatePensionPlanLineItems [Line Items] LineItems cpl:DisclosureOfPrivatePensionPlanLineItems
1306 2019 Concept (Monetary) As Of Credit cpl:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths1
1307 2020 Concept (Monetary) As Of Credit cpl:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo1
1308 2021 Concept (Monetary) As Of Credit cpl:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree1
1309 2022 Concept (Monetary) As Of Credit cpl:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour1
1310 2023 to 2028 Concept (Monetary) As Of Credit cpl:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter1
1311 Total Concept (Monetary) As Of Credit cpl:DefinedBenefitPlanExpectedFutureBenefitPayments
1312 00000120 - Disclosure - (18) PRIVATE PENSION PLAN (Details 6) Network

*

*

 http://cpfl.riweb.com.br/role/PrivatePensionPlanDetails6
1313 DisclosureOfPrivatePensionPlanTable [Table] Table

*

*

 cpl:DisclosureOfPrivatePensionPlanTable
1314 Subsidiaries [Axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1315 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
1316 Companhia Paulista de Forca e Luz ("CPFL Paulista") [Member] Member cpl:CompanhiaPaulistadeForcaeLuzMember
1317 Companhia Piratininga de Forca e Luz ("CPFL Piratininga") [Member] Member cpl:CompanhiaPiratiningadeForcaeLuzMember
1318 CPFL Geracao de Energia S.A. ("CPFL Geracao") [Member] Member cpl:CPFLGeracaodeEnergiaSAMember
1319 Rio Grande Energia S.A. [Member] Member cpl:RioGrandeEnergiaSAMember
1320 RGE Sul Distribuidora de Energia S.A. ("RGE") [Member] Member cpl:RGESulDistribuidoradeEnergiaSAMember
1321 DisclosureOfPrivatePensionPlanLineItems [Line Items] LineItems cpl:DisclosureOfPrivatePensionPlanLineItems
1322 Service cost Concept (Monetary) For Period Credit ifrs-full:CurrentServiceCostNetDefinedBenefitLiabilityAsset
1323 Interest on actuarial obligations Concept (Monetary) For Period Credit ifrs-full:InterestExpenseIncomeNetDefinedBenefitLiabilityAsset
1324 Expected return on plan assets Concept (Monetary) For Period Debit ifrs-full:ReturnOnPlanAssetsNetDefinedBenefitLiabilityAsset
1325 Effect of asset ceiling Concept (Monetary) For Period Debit cpl:EffectOfAssetCeilings
1326 Total expense (income) Concept (Monetary) For Period Debit cpl:TotalExpenseIncome
1327 00000121 - Disclosure - (18) PRIVATE PENSION PLAN (Details 7) Network

*

*

 http://cpfl.riweb.com.br/role/PrivatePensionPlanDetails7
1328 DisclosureOfPrivatePensionPlanTable [Table] Table

*

*

 cpl:DisclosureOfPrivatePensionPlanTable
1329 Subsidiaries [Axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1330 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
1331 Companhia Paulista de Forca e Luz ("CPFL Paulista"), Companhia Piratininga de Força e Luz ("CPFL Piratininga") & CPFL Geracao de Energia S.A. ("CPFL Geracao") [Member] Member cpl:PaulistaPiratiningaGeracaoMember
1332 Rio Grande Energia S.A. [Member] Member cpl:RioGrandeEnergiaSAMember
1333 RGE Sul Distribuidora de Energia S.A. ("RGE") [Member] Member cpl:RGESulDistribuidoradeEnergiaSAMember
1334 Actuarial assumptions [axis] Axis ifrs-full:ActuarialAssumptionsAxis
1335 Actuarial assumptions [member] Member ifrs-full:ActuarialAssumptionsMember
1336 Nominal Discount Rate For Actuarial Liabilities [Member] Member ifrs-full:ActuarialAssumptionOfDiscountRatesMember
1337 Nominal Return Rate On Assets [Member] Member cpl:ActuarialAssumptionOfExpectedRatesOfNominalReturnRateOnAssetsMember
1338 Estimated Rate Of Nominal Salary Increase [Member] Member ifrs-full:ActuarialAssumptionOfExpectedRatesOfSalaryIncreasesMember
1339 Estimated Rate Of Nominal Benefits Increase [Member] Member ifrs-full:ActuarialAssumptionOfExpectedRatesOfPensionIncreasesMember
1340 Estimated Long-Term Inflation Rate (Basis For Determining The Nominal Rates Above) [Member] Member ifrs-full:ActuarialAssumptionOfExpectedRatesOfInflationMember
1341 General Biometric Mortality [Member] Member cpl:ActuarialAssumptionOfExpectedRatesOfGeneralBiometricMortalityTableMember
1342 Biometric Table For The Onset Of Disability [Member] Member cpl:ActuarialAssumptionOfExpectedRatesOfBiometricTableForTheOnsetOfDisabilityMember
1343 Expected Turnover Rate [Member] Member cpl:ActuarialAssumptionOfExpectedRatesOfExpectedTurnoverRateMember
1344 Likelihood Of Reaching Retirement Age [Member] Member cpl:ActuarialAssumptionOfExpectedRatesOfLikelihoodOfReachingRetirementAgeMember
1345 DisclosureOfPrivatePensionPlanLineItems [Line Items] LineItems cpl:DisclosureOfPrivatePensionPlanLineItems
1346 Actuarial calculation assumptions consideration Concept (Percent) As Of ifrs-full:ActuarialAssumptionOfDiscountRates
1347 Actuarial calculation assumptions consideration Concept (Percent) As Of ifrs-full:ActuarialAssumptionOfExpectedRatesOfSalaryIncreases
1348 Actuarial calculation assumptions consideration Concept (Percent) As Of ifrs-full:ActuarialAssumptionOfExpectedRatesOfPensionIncreases
1349 Actuarial calculation assumptions consideration Concept (Percent) As Of ifrs-full:ActuarialAssumptionOfExpectedRatesOfInflation
1350 Description of actuarial calculation assumptions consideration Concept (Text/String) For Period cpl:DescriptionOfActuarialCalculationAssumptionsConsideration
1351 Description of actuarial calculation assumptions consideration Concept (Text/String) For Period cpl:DescriptionOfActuarialCalculationAssumptionsConsideration1
1352 Description of actuarial calculation assumptions consideration Concept (Text/String) For Period cpl:DescriptionOfActuarialCalculationAssumptionsConsideration2
1353 Description of actuarial calculation assumptions consideration Concept (Text/String) For Period cpl:DescriptionOfActuarialCalculationAssumptionsConsideration3
1354 00000122 - Disclosure - (18) PRIVATE PENSION PLAN (Details 8) Network

*

*

 http://cpfl.riweb.com.br/role/PrivatePensionPlanDetails8
1355 DisclosureOfPrivatePensionPlanTable [Table] Table

*

*

 cpl:DisclosureOfPrivatePensionPlanTable
1356 Segments [axis] Axis ifrs-full:SegmentsAxis
1357 Segments [member] Member ifrs-full:SegmentsMember
1358 FUNCESP [Member] Member cpl:AssetsManagedByFundacaoCESPMember
1359 Assets Managed by Fundacao CEEE [Member] Member cpl:AssetsManagedByFundacaoCEEEMember
1360 Subsidiaries [Axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1361 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
1362 Companhia Paulista de Forca e Luz ("CPFL Paulista") & CPFL Geracao de Energia S.A. ("CPFL Geracao") [Member] Member cpl:CompanhiaPaulistadeForcaeLuzAndCompanhiaPiratiningadeForcaeLuzAndCPFLGeracaodeEnergiaSAMember
1363 Companhia Piratininga de Forca e Luz ("CPFL Piratininga") [Member] Member cpl:CompanhiaPiratiningadeForcaeLuzMember
1364 Rio Grande Energia S.A. [Member] Member cpl:RioGrandeEnergiaSAMember
1365 RGE Sul Distribuidora de Energia S.A. ("RGE") [Member] Member cpl:RGESulDistribuidoradeEnergiaSAMember
1366 Types of interest rates [axis] Axis ifrs-full:TypesOfInterestRatesAxis
1367 Interest rate types [member] Member ifrs-full:InterestRateTypesMember
1368 Fixed Rate [Member] Member ifrs-full:FixedInterestRateMember
1369 Variable Income [Member] Member cpl:VariableIncomeRateMember
1370 Structured Investments [Member] Member cpl:StructuredInvestmentsMember
1371 Types of interest rates [Axis] Axis ifrs-full:ClassesOfAssetsAxis
1372 Assets [member] Member ifrs-full:ClassesOfAssetsMember
1373 Federal Government Bonds [Member] Member cpl:FederalGovernamentBondsMember
1374 Corporate Bonds (Financial Institutions) [Member] Member cpl:CorporateBondsFinancialInstitutionsMember
1375 Corporate Bonds (Non Financial Institutions) [Member] Member cpl:CorporateBondsNonFinancialInstitutionsMember
1376 Multimarket Funds [Member] Member cpl:MultimarketFundsMember
1377 Other Fixed Income Investments [Member] Member cpl:OtherFixedIncomeInvestmentsMember
1378 Investiment Funds - Shares [Member] Member cpl:InvestimentFundsSharesMember
1379 Equity Funds [Member] Member cpl:EquityFunds1Member
1380 Real Estate Funds [Member] Member cpl:RealEstateFunds1Member
1381 Multimarket Fund [Member] Member cpl:MultimarketFundMember
1382 Real Estate [Member] Member cpl:RealEstate1Member
1383 Transactions with participants [Member] Member cpl:TransactionsWithParticipantsMember
1384 Other investments [Member] Member cpl:OtherInvestmentsaMember
1385 DisclosureOfPrivatePensionPlanLineItems [Line Items] LineItems cpl:DisclosureOfPrivatePensionPlanLineItems
1386 Total quoted in an active market Concept (Percent) As Of cpl:FairValueOfPlanAssetsQuotedInActiveMarket
1387 Total not quoted in an active market Concept (Percent) As Of cpl:FairValueOfPlanAssetsNotQuotedInActiveMarket
1388 00000123 - Disclosure - (18) PRIVATE PENSION PLAN (Details 9) Network

*

*

 http://cpfl.riweb.com.br/role/PrivatePensionPlanDetails9
1389 DisclosureOfPrivatePensionPlanTable [Table] Table

*

*

 cpl:DisclosureOfPrivatePensionPlanTable
1390 Segments [axis] Axis ifrs-full:SegmentsAxis
1391 Segments [member] Member ifrs-full:SegmentsMember
1392 FUNCESP [Member] Member cpl:AssetsManagedByFundacaoCESPMember
1393 Assets Managed by Fundacao CEEE [Member] Member cpl:AssetsManagedByFundacaoCEEEMember
1394 Subsidiaries [Axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1395 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
1396 Companhia Paulista de Forca e Luz ("CPFL Paulista") & CPFL Geracao de Energia S.A. ("CPFL Geracao") [Member] Member cpl:CompanhiaPaulistadeForcaeLuzAndCompanhiaPiratiningadeForcaeLuzAndCPFLGeracaodeEnergiaSAMember
1397 Companhia Piratininga de Forca e Luz ("CPFL Piratininga") [Member] Member cpl:CompanhiaPiratiningadeForcaeLuzMember
1398 Rio Grande Energia S.A. [Member] Member cpl:RioGrandeEnergiaSAMember
1399 RGE Sul Distribuidora de Energia S.A. ("RGE") [Member] Member cpl:RGESulDistribuidoradeEnergiaSAMember
1400 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
1401 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
1402 Fixed Income investments [Member] Member cpl:FixedIncomeInvestmentMember
1403 Variable Income Investments [Member] Member cpl:VariableIncomeMember
1404 Real Estate [Member] Member cpl:RealEstate1Member
1405 Transactions with participants [Member] Member cpl:TransactionsWithParticipantsMember
1406 Structured Investments [Member] Member cpl:StructuredInvestmentsMember
1407 Investments Abroad [Member] Member cpl:InvestmentsAbroadMember
1408 DisclosureOfPrivatePensionPlanLineItems [Line Items] LineItems cpl:DisclosureOfPrivatePensionPlanLineItems
1409 Total Concept (Percent) As Of cpl:BudgetedFairValueOfPlanAssets
1410 00000124 - Disclosure - (18) PRIVATE PENSION PLAN (Details 10) Network

*

*

 http://cpfl.riweb.com.br/role/PrivatePensionPlanDetails10
1411 DisclosureOfPrivatePensionPlanTable [Table] Table

*

*

 cpl:DisclosureOfPrivatePensionPlanTable
1412 Actuarial assumptions [axis] Axis ifrs-full:ActuarialAssumptionsAxis
1413 Actuarial assumptions [member] Member ifrs-full:ActuarialAssumptionsMember
1414 Nominal Discount Member cpl:NominalDiscount1Member
1415 Nominal Discount Member cpl:NominalDiscount2Member
1416 General Biometric Mortality [Member] Member cpl:ActuarialAssumptionOfExpectedRatesOfGeneralBiometricMortalityTable1Member
1417 General Biometric Mortality [Member] Member cpl:ActuarialAssumptionOfExpectedRatesOfGeneralBiometricMortalityTable2Member
1418 Subsidiaries [Axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1419 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
1420 Companhia Paulista de Forca e Luz ("CPFL Paulista") [Member] Member cpl:CompanhiaPaulistadeForcaeLuzMember
1421 Companhia Piratininga de Forca e Luz ("CPFL Piratininga") [Member] Member cpl:CompanhiaPiratiningadeForcaeLuzMember
1422 CPFL Geracao de Energia S.A. ("CPFL Geracao") [Member] Member cpl:CPFLGeracaodeEnergiaSAMember
1423 Rio Grande Energia S.A. [Member] Member cpl:RioGrandeEnergiaSAMember
1424 RGE Sul Distribuidora de Energia S.A. ("RGE") [Member] Member cpl:RGESulDistribuidoradeEnergiaSAMember
1425 DisclosureOfPrivatePensionPlanLineItems [Line Items] LineItems cpl:DisclosureOfPrivatePensionPlanLineItems
1426 Increase (Decrease) Concept (Text/String) For Period cpl:IncreaseDecreaseDefinedBenefitObligationDueToReasonablyPossibleIncreaseInActuarialAssumption
1427 Increase (decrease) in total defined benefit plan obligation Concept (Monetary) As Of Credit ifrs-full:IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInActuarialAssumption
1428 00000125 - Disclosure - (18) PRIVATE PENSION PLAN (Details Narrative) Network

*

*

 http://cpfl.riweb.com.br/role/PrivatePensionPlanDetailsNarrative
1429 DisclosureOfPrivatePensionPlanTable [Table] Table

*

*

 cpl:DisclosureOfPrivatePensionPlanTable
1430 Subsidiaries [Axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1431 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
1432 Companhia Paulista de Forca e Luz ("CPFL Paulista") [Member] Member cpl:CompanhiaPaulistadeForcaeLuzMember
1433 Companhia Piratininga de Forca e Luz ("CPFL Piratininga") [Member] Member cpl:CompanhiaPiratiningadeForcaeLuzMember
1434 CPFL Geracao de Energia S.A. ("CPFL Geracao") [Member] Member cpl:CPFLGeracaodeEnergiaSAMember
1435 Rio Grande Energia S.A. [Member] Member cpl:RioGrandeEnergiaSAMember
1436 RGE Sul Distribuidora de Energia S.A. ("RGE") [Member] Member cpl:RGESulDistribuidoradeEnergiaSAMember
1437 Range [Axis] Axis ifrs-full:RangeAxis
1438 Ranges [member] Member ifrs-full:RangesMember
1439 Weighted Average [Member] Member ifrs-full:WeightedAverageMember
1440 DisclosureOfPrivatePensionPlanLineItems [Line Items] LineItems cpl:DisclosureOfPrivatePensionPlanLineItems
1441 Average duration of the defined benefit obligation Concept (Decimal) For Period ifrs-full:WeightedAverageDurationOfDefinedBenefitObligation
1442 00000126 - Disclosure - (19) REGULATORY CHARGES (Details) Network

*

*

 http://cpfl.riweb.com.br/role/RegulatoryChargesDetails
1443 Implied Table Table

*

*

 implied:Table
1444 Regulatory Charges Abstract cpl:RegulatoryChargesDetailsAbstract
1445 Fee for the use of water resources Concept (Monetary) As Of Credit cpl:CurrentRegulatoryChargesRelatedToFeeForUseOfWaterResources
1446 Global reversal reserve - RGR Concept (Monetary) As Of Credit cpl:CurrentRegulatoryChargesRelatedToGlobalReversalReserve
1447 ANEEL inspection fee - TFSEE Concept (Monetary) As Of Credit cpl:CurrentRegulatoryChargesRelatedToInspectionFee
1448 Energy development account - CDE Concept (Monetary) As Of Credit cpl:CurrentRegulatoryChargesRelatedToEnergyDevelopmentAccount
1449 Tariff flags and others Concept (Monetary) As Of Credit cpl:CurrentRegulatoryChargesRelatedToTariffFlagsAndOthers
1450 Total Concept (Monetary) As Of Credit cpl:CurrentRegulatoryCharges
1451 00000128 - Disclosure - (20) TAXES, FEES AND CONTRIBUTIONS PAYABLE (Details) Network

*

*

 http://cpfl.riweb.com.br/role/TaxesFeesAndContributionsPayableDetails
1452 Implied Table Table

*

*

 implied:Table
1453 Taxes Fees And Contributions Payable Abstract cpl:TaxesFeesAndContributionsPayableDetailsAbstract
1454 Current Abstract cpl:CurrentTaxLiabilitiesAbstract
1455 IRPJ (corporate income tax) Concept (Monetary) As Of Credit cpl:IRPJCorporateIncomeTax
1456 CSLL (social contribution on net income) Concept (Monetary) As Of Credit cpl:CSLLSocialContributionTaxOnNetIncome
1457 Income tax and social contribution Concept (Monetary) As Of Credit cpl:IncomeTaxAndSocialContribution
1458 ICMS (State VAT) Concept (Monetary) As Of Credit cpl:ICMSStateValueAddedTax
1459 PIS (tax on revenue) Concept (Monetary) As Of Credit cpl:PISTaxOnRevenue
1460 COFINS (tax on revenue) Concept (Monetary) As Of Credit cpl:COFINSTaxOnRevenue
1461 Income tax withholding on interest on capital Concept (Monetary) As Of Credit cpl:IncomeTaxWithholdingOnInterestOnCapital
1462 Other Concept (Monetary) As Of Credit cpl:OtherTax
1463 Other taxes Concept (Monetary) As Of Credit cpl:OtherTaxesCurrent
1464 Total Concept (Monetary) As Of Credit cpl:CurrentTaxLiabilitiesCurrent1
1465 Noncurrent Abstract cpl:NoncurrentTaxLiabilitiesAbstract
1466 ICMS (State VAT) Concept (Monetary) As Of Credit cpl:NoncurrentICMSStateValueAddedTax
1467 PIS (tax on revenue) Concept (Monetary) As Of Credit cpl:CurrentTaxLiabilitiesNoncurrent1
1468 PIS/COFINS payment Concept (Monetary) As Of Credit cpl:PISAndCOFINSTaxPayment
1469 Other taxes Concept (Monetary) As Of Credit cpl:OtherTaxesNoncurrent
1470 Total noncurrent Concept (Monetary) As Of Credit cpl:NoncurrentTaxLiabilities
1471 00000130 - Disclosure - (21) PROVISION FOR TAX, CIVIL AND LABOR RISKS AND ESCROW DEPOSITS (Details 1) Network

*

*

 http://cpfl.riweb.com.br/role/ProvisionForTaxCivilAndLaborRisksAndEscrowDepositsDetails1
1472 DisclosureOfProvisionForTaxCivilAndLaborRisksAndEscrowDepositsTable [Table] Table

*

*

 cpl:DisclosureOfProvisionForTaxCivilAndLaborRisksAndEscrowDepositsTable
1473 Classes of other provisions [axis] Axis ifrs-full:ClassesOfProvisionsAxis
1474 Other provisions [member] Member ifrs-full:OtherProvisionsMember
1475 Labor [Member] Member cpl:ProvisionForLaborMember
1476 Civil [Member] Member cpl:ProvisionForCivilMember
1477 Tax [Member] Member cpl:ProvisionForTaxMember
1478 Others [Member] Member ifrs-full:MiscellaneousOtherProvisionsMember
1479 DisclosureOfProvisionForTaxCivilAndLaborRisksAndEscrowDepositsLineItems [Line Items] LineItems cpl:DisclosureOfProvisionForTaxCivilAndLaborRisksAndEscrowDepositsLineItems
1480 Beginning balance of provisions Concept (Monetary) As Of Credit cpl:OtherProvisions1
1481 Additions Concept (Monetary) For Period Credit cpl:AdditionalOtherProvisions
1482 Reversals Concept (Monetary) For Period Debit cpl:ReversalsProvisionsOtherProvisions
1483 Payments Concept (Monetary) For Period Credit cpl:PaymentsProvisionsOtherProvisions
1484 Monetary adjustments Concept (Monetary) For Period Credit cpl:MonetaryRestatementsProvisionsOtherProvisions
1485 Ending balance of provisions Concept (Monetary) As Of Credit cpl:OtherProvisions1
1486 00000131 - Disclosure - (21) PROVISION FOR TAX, CIVIL AND LABOR RISKS AND ESCROW DEPOSITS (Details 2) Network

*

*

 http://cpfl.riweb.com.br/role/ProvisionForTaxCivilAndLaborRisksAndEscrowDepositsDetails2
1487 DisclosureOfProvisionForTaxCivilAndLaborRisksAndEscrowDepositsTable [Table] Table

*

*

 cpl:DisclosureOfProvisionForTaxCivilAndLaborRisksAndEscrowDepositsTable
1488 Classes of other provisions [axis] Axis ifrs-full:ClassesOfProvisionsAxis
1489 Other provisions [member] Member ifrs-full:OtherProvisionsMember
1490 Labor [Member] Member cpl:ProvisionForLaborMember
1491 Civil [Member] Member cpl:ProvisionForCivilMember
1492 Tax [Member] Member cpl:ProvisionForTaxMember
1493 Others [Member] Member ifrs-full:MiscellaneousOtherProvisionsMember
1494 DisclosureOfProvisionForTaxCivilAndLaborRisksAndEscrowDepositsLineItems [Line Items] LineItems cpl:DisclosureOfProvisionForTaxCivilAndLaborRisksAndEscrowDepositsLineItems
1495 Total possible losses Concept (Monetary) As Of Debit cpl:PossibleLosses
1496 Main reasons for claims Concept (Text/String) For Period ifrs-full:DescriptionOfNatureOfObligationContingentLiabilities
1497 00000132 - Disclosure - (21) PROVISION FOR TAX, CIVIL AND LABOR RISKS AND ESCROW DEPOSITS (Details Narrative) Network

*

*

 http://cpfl.riweb.com.br/role/ProvisionForTaxCivilAndLaborRisksAndEscrowDepositsDetailsNarrative
1498 DisclosureOfProvisionForTaxCivilAndLaborRisksAndEscrowDepositsTable [Table] Table

*

*

 cpl:DisclosureOfProvisionForTaxCivilAndLaborRisksAndEscrowDepositsTable
1499 Classes of other provisions [axis] Axis ifrs-full:ClassesOfProvisionsAxis
1500 Other provisions [member] Member ifrs-full:OtherProvisionsMember
1501 Tax [Member] Member cpl:ProvisionForTaxMember
1502 Subsidiaries [Axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1503 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
1504 Companhia Piratininga de Forca e Luz ("CPFL Piratininga") [Member] Member cpl:CompanhiaPiratiningadeForcaeLuzMember
1505 Companhia Paulista de Forca e Luz ("CPFL Paulista") [Member] Member cpl:CompanhiaPaulistadeForcaeLuzMember
1506 DisclosureOfProvisionForTaxCivilAndLaborRisksAndEscrowDepositsLineItems [Line Items] LineItems cpl:DisclosureOfProvisionForTaxCivilAndLaborRisksAndEscrowDepositsLineItems
1507 Provisions for tax risks Concept (Monetary) As Of Credit ifrs-full:OtherProvisions
1508 Deductibility for income tax expense recognized Concept (Monetary) For Period Debit cpl:DeductibilityForIncomeTaxExpenseRecognized
1509 00000133 - Disclosure - (22) OTHER PAYABLES (Details) Network

*

*

 http://cpfl.riweb.com.br/role/OtherPayablesDetails
1510 Implied Table Table

*

*

 implied:Table
1511 Other Payables Abstract cpl:OtherPayablesDetailsAbstract
1512 Consumers and concessionaires, current Concept (Monetary) As Of Credit cpl:ConsumersAndConcessionairesOtherCurrentPayables
1513 Energy efficiency program - PEE, current Concept (Monetary) As Of Credit cpl:EnergyEfficiencyProgramOtherCurrentPayables
1514 Research & Development - P&D, current Concept (Monetary) As Of Credit cpl:ResearchAndDevelopmentOtherCurrentPayables
1515 EPE/FNDCT/PROCEL (*), current Concept (Monetary) As Of Credit cpl:DevelopmentFundAndNationalProgramOtherCurrentPayables
1516 Reversion fund, current Concept (Monetary) As Of Credit cpl:ReversionFundOtherCurrentPayables
1517 Advances, current Concept (Monetary) As Of Credit cpl:AdvancesOtherCurrentPayables
1518 Tariff discounts - CDE, current Concept (Monetary) As Of Credit cpl:TariffDiscountsOtherCurrentPayables
1519 Provision for socio environmental costs and asset retirement, current Concept (Monetary) As Of Credit cpl:ProvisionForSocioEnvironmentalCostsAndAssetRetirementOtherCurrentPayables
1520 Payroll, current Concept (Monetary) As Of Credit cpl:PayrollOtherCurrentPayables
1521 Profit sharing, current Concept (Monetary) As Of Credit cpl:ProfitSharingOtherCurrentPayables
1522 Collections agreement, current Concept (Monetary) As Of Credit cpl:CollectionsAgreementOtherCurrentPayables
1523 Guarantees, current Concept (Monetary) As Of Credit cpl:GuaranteesOtherCurrentPayables
1524 Business combination, current Concept (Monetary) As Of Credit cpl:BusinessCombinationOtherCurrentPayables
1525 Others, current Concept (Monetary) As Of Credit cpl:CurrentPayablesOther
1526 Total, current Concept (Monetary) As Of Credit cpl:CurrentOtherPayables
1527 Consumers and concessionaires, noncurrent Concept (Monetary) As Of Credit cpl:ConsumersAndConcessionairesOtherNoncurrentPayables
1528 Energy efficiency program - PEE, noncurrent Concept (Monetary) As Of Credit cpl:EnergyEfficiencyProgramOtherNoncurrentPayables
1529 Research & Development - P&D, noncurrent Concept (Monetary) As Of Credit cpl:ResearchAndDevelopmentOtherNoncurrentPayables
1530 EPE/FNDCT/PROCEL (*), noncurrent Concept (Monetary) As Of Credit cpl:DevelopmentFundAndNationalProgramOtherNoncurrentPayables
1531 Reversion fund, noncurrent Concept (Monetary) As Of Credit cpl:ReversionFundOtherNoncurrentPayables
1532 Advances, noncurrent Concept (Monetary) As Of Credit cpl:AdvancesOtherNoncurrentPayables
1533 Tariff discounts - CDE, noncurrent Concept (Monetary) As Of Credit cpl:TariffDiscountsOtherNoncurrentPayables
1534 Provision for socio environmental costs and asset retirement, noncurrent Concept (Monetary) As Of Credit cpl:ProvisionForSocioEnvironmentalCostsAndAssetRetirementOtherNoncurrentPayables
1535 Payroll, noncurrent Concept (Monetary) As Of Credit cpl:PayrollOtherNoncurrentPayables
1536 Profit sharing, noncurrent Concept (Monetary) As Of Credit cpl:ProfitSharingOtherNoncurrentPayables
1537 Collections agreement, noncurrent Concept (Monetary) As Of Credit cpl:CollectionsAgreementOtherNoncurrentPayables
1538 Guarantees, noncurrent Concept (Monetary) As Of Credit cpl:GuaranteesOtherNoncurrentPayables
1539 Business combination, noncurrent Concept (Monetary) As Of Credit cpl:BusinessCombinationOtherNoncurrentPayables
1540 Others, noncurrent Concept (Monetary) As Of Credit cpl:NoncurrentPayablesOther
1541 Total, noncurrent Concept (Monetary) As Of Credit cpl:NoncurrentOtherPayables
1542 00000134 - Disclosure - (23) EQUITY (Details) Network

*

*

 http://cpfl.riweb.com.br/role/EquityDetails
1543 DisclosureOfEquityTable [Table] Table

*

*

 cpl:DisclosureOfEquityTable
1544 Subsidiaries [Axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1545 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
1546 State Grid Brazil Power Participações S.A. [Member] Member cpl:StateGridBrazilPowerParticipacoesSAMember
1547 ESC Energia S.A. [Member] Member cpl:ESCEnergiaSAMember
1548 Executive Officers [Member] Member cpl:ExecutiveOfficersMember
1549 Other shareholders [Member] Member cpl:OtherShareholdersMember
1550 DisclosureOfEquityLineItems [Line Items] LineItems cpl:DisclosureOfEquityLineItems
1551 Number of common shares Concept (Shares) As Of cpl:NumberCommonSharesHeld
1552 Percentage of interest Concept (Percent) For Period cpl:PercentageOfInterestHolding
1553 00000135 - Disclosure - (23) EQUITY (Details 1) Network

*

*

 http://cpfl.riweb.com.br/role/EquityDetails1
1554 Implied Table Table

*

*

 implied:Table
1555 Equity Abstract cpl:EquityDetails1Abstract
1556 Profit for the year - Parent company Concept (Monetary) For Period Credit cpl:ProfitLossAttributableToParentCompany
1557 Realization of comprehensive income Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
1558 Adjustment of previous period - Adoption IFRS 9 Concept (Monetary) For Period Credit cpl:IncreaseDecreaseThroughAdjustmentOfPreviousPeriodAdoptionIFRS9
1559 Statutory reserve - concession financial asset - reversal Concept (Monetary) For Period Debit cpl:IncreaseDecreaseThroughTransferToStatutoryReserveConcessionFinancialAsset
1560 Profit base for allocation Concept (Monetary) For Period Debit cpl:NetProfitLossAttributableToOwnersOfParent
1561 Legal reserve Concept (Monetary) For Period Debit cpl:IncreaseDecreaseThroughTransferToLegalReserve
1562 Statutory reserve - working capital improvement Concept (Monetary) For Period Debit cpl:IncreaseDecreaseThroughTransferToStatutoryReserveWorkingCapitalImprovement
1563 Mandatory dividend Concept (Monetary) For Period Debit cpl:MandatoryDividendAproved
1564 Additional dividend Concept (Monetary) For Period Debit cpl:AdditionalDividend
1565 00000136 - Disclosure - (23) EQUITY (Details 2) Network

*

*

 http://cpfl.riweb.com.br/role/EquityDetails2
1566 DisclosureOfEquityTable [Table] Table

*

*

 cpl:DisclosureOfEquityTable
1567 Subsidiaries [Axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1568 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
1569 CERAN [Member] Member cpl:CeranMember
1570 CPFL Renovaveis [Member] Member cpl:CPFLRenovaveisMember
1571 Paulista Lajeado [Member] Member cpl:PaulistaLajeadoMember
1572 DisclosureOfEquityLineItems [Line Items] LineItems cpl:DisclosureOfEquityLineItems
1573 Equity attributable to noncontrolling interests, beginning balance Concept (Monetary) As Of Credit cpl:NoncontrollingInterests2
1574 Equity interests and voting capital (Beginning) Concept (Percent) As Of ifrs-full:PercentageOfVotingEquityInterestsAcquired
1575 Equity attributable to noncontrolling interests Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToNoncontrollingInterests
1576 Dividends Concept (Monetary) For Period Debit ifrs-full:DividendsRecognisedAsDistributionsToNoncontrollingInterests
1577 Other movements Concept (Monetary) For Period Debit cpl:OtherMovements
1578 Capital increase (reduction) Concept (Monetary) For Period Debit cpl:CapitalIncreaseReduction
1579 Equity attributable to noncontrolling interests, ending balance. Concept (Monetary) As Of Credit cpl:NoncontrollingInterests2
1580 Equity attributable to noncontrolling interests, ending balance Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestsHeldByNoncontrollingInterests
1581 00000137 - Disclosure - (23) EQUITY (Details 3) Network

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*

 http://cpfl.riweb.com.br/role/EquityDetails3
1582 DisclosureOfEquityTable [Table] Table

*

*

 cpl:DisclosureOfEquityTable
1583 Subsidiaries [Axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1584 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
1585 CERAN [Member] Member cpl:CeranMember
1586 CPFL Renovaveis [Member] Member cpl:CPFLRenovaveisMember
1587 Paulista Lajeado [Member] Member cpl:PaulistaLajeadoMember
1588 DisclosureOfEquityLineItems [Line Items] LineItems cpl:DisclosureOfEquityLineItems
1589 Current assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
1590 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
1591 Noncurrent assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssets
1592 Current liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
1593 Borrowings and debentures Concept (Monetary) As Of Credit cpl:BorrowingsCurrent
1594 Other financial liabilities Concept (Monetary) As Of Credit cpl:FinancialLiabilitiesOtherCurrent
1595 Noncurrent liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentLiabilities
1596 Borrowings and debentures Concept (Monetary) As Of Credit cpl:LongtermBorrowings2
1597 Other financial liabilities Concept (Monetary) As Of Credit cpl:FinancialLiabilitiesOtherNoncurrent
1598 Equity Concept (Monetary) As Of Credit ifrs-full:Equity
1599 Attributable to owners of the Company Concept (Monetary) As Of Credit ifrs-full:EquityAttributableToOwnersOfParent
1600 Attributable to noncontrolling interests Concept (Monetary) As Of Credit cpl:NoncontrollingInterests1
1601 Net operating revenue Concept (Monetary) For Period Credit ifrs-full:Revenue
1602 Operational costs and expenses Concept (Monetary) For Period Credit cpl:OperatingIncomeExpense
1603 Depreciation and amortization Concept (Monetary) For Period Debit ifrs-full:DepreciationAndAmortisationExpense
1604 Interest income Concept (Monetary) For Period Credit cpl:InterestIncome
1605 Interest expense Concept (Monetary) For Period Debit cpl:ExpensesFromInterest
1606 Income tax expense Concept (Monetary) For Period Debit cpl:IncomeTaxExpense
1607 Profit (loss) for the year Concept (Monetary) For Period Credit cpl:ProfitLossForYear
1608 Attributable to owners of the Company Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
1609 Attributable to noncontrolling interests Concept (Monetary) For Period Credit cpl:ProfitLossNoncontrollingInterests
1610 00000138 - Disclosure - (24) EARNINGS PER SHARE (Details) Network

*

*

 http://cpfl.riweb.com.br/role/EarningsPerShareDetails
1611 Implied Table Table

*

*

 implied:Table
1612 Earnings Per Share Abstract cpl:EarningsPerShareDetailsAbstract
1613 Numerator Abstract cpl:Numerator1
1614 Profit attributable to the owners of the Company Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
1615 Denominator Abstract cpl:Denominator1
1616 Weighted average number of shares held by shareholders Concept (Shares) For Period ifrs-full:WeightedAverageShares
1617 Earnings per share - basic Concept (Share) For Period ifrs-full:BasicEarningsLossPerShare
1618 Numerator Abstract cpl:Numerator2
1619 Profit attributable to the owners of the Company Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
1620 Dilutive effect of convertible debentures of subsidiary CPFL Renovaveis Concept (Shares) For Period ifrs-full:DilutiveEffectOfConvertibleInstrumentsOnNumberOfOrdinaryShares
1621 Profit attributable to controlling shareholders Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects
1622 Denominator Abstract cpl:Denominator2
1623 Weighted average number of shares held by shareholders Concept (Shares) For Period ifrs-full:WeightedAverageShares
1624 Earnings per share - diluted Concept (Share) For Period ifrs-full:DilutedEarningsLossPerShare
1625 00000139 - Disclosure - (25) NET OPERATING REVENUE (Details) Network

*

*

 http://cpfl.riweb.com.br/role/NetOperatingRevenueDetails
1626 DisclosureOfNetOperatingRevenueTable [Table] Table

*

*

 cpl:DisclosureOfNetOperatingRevenueTable
1627 Types of customers [axis] Axis ifrs-full:TypesOfCustomersAxis
1628 Types of customers [member] Member ifrs-full:TypesOfCustomersMember
1629 Residential [Member] Member cpl:ResidentialCustomersMember
1630 Industrial [Member] Member cpl:IndustrialCustomersMember
1631 Commercial [Member] Member cpl:CommercialCustomersMember
1632 Rural [Member] Member cpl:RuralCustomersMember
1633 Public Administration [Member] Member cpl:PublicAdministrationCustomersMember
1634 Public Lighting [Member] Member cpl:PublicLightingCustomersMember
1635 Public Services [Member] Member cpl:PublicServicesCustomersMember
1636 ICMS [Member] Member cpl:ICMSCustomerMember
1637 PIS [Member] Member cpl:PISCustomerMember
1638 COFINS [Member] Member cpl:COFINSCustomerMember
1639 ISS [Member] Member cpl:ISSCustomerMember
1640 Global Reversal Reserve - RGR [Member] Member cpl:GlobalReversalReserveRGRCustomerMember
1641 Energy Development Account - CDE [Member] Member cpl:EnergyDevelopmentAccountCDECustomerMember
1642 Research & Development & Energy Efficiency Programs [Member] Member cpl:ResearchAndDevelopmentAndEnergyEfficiencyProgramsCustomerMember
1643 PROINFA [Member] Member cpl:PROINFACustomerMember
1644 Tariff Flags & Others [Member] Member cpl:TariffFlagsAndOthersCustomerMember
1645 Others [Member] Member cpl:OthersCustomerMember
1646 Retrospective application and retrospective restatement [axis] Axis ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
1647 Currently stated [member] Member ifrs-full:RestatedMember
1648 DisclosureOfNetOperatingRevenueLineItems [Line Items] LineItems cpl:DisclosureOfNetOperatingRevenueLineItems
1649 Number of consumers Concept (Integer) For Period cpl:NumberOfConsumers
1650 Sale of electricity In GWh Concept (num:powerItemType) For Period cpl:SaleOfElectricity
1651 Revenue from electric energy operations Concept (Monetary) For Period Credit ifrs-full:RevenueFromContractsWithCustomers
1652 Adjustment of revenues from excess demand and excess reactive power Concept (Monetary) For Period Debit cpl:AdjustmentOfRevenuesFromExcessDemandAndExcessReactivePower
1653 Billed Concept (Monetary) For Period Credit cpl:RevenueFromContractsWithCustomersBilled
1654 Billed consumers Concept (Integer) For Period cpl:RevenueFromContractsWithNumberOfCustomersBilled
1655 Billed In GWh Concept (num:powerItemType) For Period cpl:RevenueFromContractsWithCustomersBilledElectricity
1656 Own comsuption in GWh Concept (num:powerItemType) For Period cpl:EntityOwnConsumption
1657 Unbilled (net) Concept (Monetary) For Period Credit cpl:ElectricityUnbilledAmount
1658 Transfer or revenue related to the network availability for Captive Consumers Concept (Monetary) For Period Debit cpl:OtherConsumerCharges
1659 Electricity sales to final consumers Concept (Monetary) For Period Credit cpl:RevenueFromContractsWithCustomersTotal
1660 Electricity sales to final consumers In GWh Concept (num:powerItemType) For Period cpl:RevenueFromContractsWithCustomersTotalElectricity
1661 Furnas Centrais Eletricas S.A. Concept (Monetary) For Period Credit cpl:FurnasCentraisEletricasSA
1662 Furnas Centrais Eletricas S.A. In GWh Concept (num:powerItemType) For Period cpl:FurnasCentraisEletricasSAElectricity
1663 Other concessionaires and licensees Concept (Monetary) For Period Credit cpl:OtherConcessionairesAndLicensees
1664 Other concessionaires and licensees Concept (num:powerItemType) For Period cpl:OtherConcessionairesAndLicenseesElectricity
1665 Transfer or revenue related to the network availability for Captive Consumers Concept (Monetary) For Period Credit cpl:ReclassificationToNetworkUsageChargeTUSDCaptiveConsumers1
1666 Spot market energy Concept (Monetary) For Period Credit cpl:SpotMarketEnergy
1667 Spot market energy In GWh Concept (num:powerItemType) For Period cpl:SpotMarketEnergyElectricity
1668 Electricity sales to wholesalers Concept (Monetary) For Period Credit cpl:ElectricitySalesToWholesalers
1669 Electricity sales to wholesalers In GWh Concept (num:powerItemType) For Period cpl:ElectricitySalesToWholesalersElectricity
1670 Revenue due to Network Usage Charge - TUSD - Captive Consumers Concept (Monetary) For Period Credit cpl:RevenueDueToNetworkUsageChargeTUSDCaptiveConsumers
1671 Revenue due to Network Usage Charge - TUSD - Free Consumers Concept (Monetary) For Period Credit cpl:RevenueDueToNetworkUsageChargeTUSDFreeConsumers
1672 Compensation paid for failure to comply with the limits of continuity Concept (Monetary) For Period Debit cpl:CompensationPaidForFailureToComplyWithLimitsOfContinuity
1673 Adjustment of revenues from excess demand and excess reactive power Concept (Monetary) For Period Debit cpl:AdjustmentOfRevenuesFromExcessDemandAndExcessReactivePower1
1674 Revenue from construction of concession infrastructure Concept (Monetary) For Period Credit cpl:RevenueFromConstructionOfConcessionInfrastructure
1675 Sector financial asset and liability (Note 8) Concept (Monetary) For Period Debit cpl:SectorFinancialAssetAndLiability
1676 Concession financial asset - Adjustment of expected cash flow (note 11) Concept (Monetary) For Period Credit cpl:ConcessionFinancialAssetAdjustmentOfExpectedCashFlow
1677 Energy development account - CDE - Low-income, tariff discounts - judicial injunctions and other tariff discounts Concept (Monetary) For Period Credit cpl:EnergyDevelopmentAccountCDELowIncomeTariffDiscountsJudicialInjunctionsAndOtherTariffDiscounts
1678 Other revenues and income Concept (Monetary) For Period Credit cpl:OtherRevenuesAndIncome
1679 Other operating revenues Concept (Monetary) For Period Credit cpl:OtherOperatingRevenues
1680 Total gross operating revenue Concept (Monetary) For Period Credit cpl:TotalGrossOperatingRevenue
1681 Deductions from operating revenue Concept (Monetary) For Period Debit cpl:DeductionsFromOperatingRevenue
1682 Net operating revenue Concept (Monetary) For Period Credit cpl:NetOperatingRevenues
1683 00000140 - Disclosure - (25) NET OPERATING REVENUE (Details 1) Network

*

*

 http://cpfl.riweb.com.br/role/NetOperatingRevenueDetails1
1684 DisclosureOfNetOperatingRevenueTable [Table] Table

*

*

 cpl:DisclosureOfNetOperatingRevenueTable
1685 Subsidiaries [Axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1686 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
1687 Companhia Paulista de Forca e Luz ("CPFL Paulista") [Member] Member cpl:CompanhiaPaulistadeForcaeLuzMember
1688 Companhia Piratininga de Forca e Luz ("CPFL Piratininga") [Member] Member cpl:CompanhiaPiratiningadeForcaeLuzMember
1689 Rio Grande Energia S.A. [Member] Member cpl:RioGrandeEnergiaSAMember
1690 RGE Sul Distribuidora de Energia S.A. ("RGE") [Member] Member cpl:RGESulDistribuidoradeEnergiaSAMember
1691 Companhia Luz e Forca Santa Cruz [Member] Member cpl:CompanhiaLuzeForcaSantaCruz2Member
1692 Companhia Leste Paulista de Energia ("CPFL Leste Paulista") [Member] Member cpl:CompanhiaLestePaulistadeEnergiaMember
1693 Companhia Jaguari de Energia ( "CPFL Santa Cruz") [Member] Member cpl:CPFLSantaCruzMember
1694 Companhia Sul Paulista de Energia ("CPFL Sul Paulista") [Member] Member cpl:CompanhiaSulPaulistadeEnergiaMember
1695 Companhia Luz e Forca de Mococa ("CPFL Mococa") [Member] Member cpl:CompanhiaLuzeForcadeMococaMember
1696 DisclosureOfNetOperatingRevenueLineItems [Line Items] LineItems cpl:DisclosureOfNetOperatingRevenueLineItems
1697 Month Concept (Text/String) For Period cpl:Month
1698 RTA / RTP Concept (Percent) For Period cpl:PeriodicTariffReviewAndAnnualTariffAdjustment
1699 Effect perceived by consumers Concept (Percent) For Period cpl:EffectPerceivedByConsumers
1700 Average effect perceived by consumers Concept (Percent) For Period cpl:AverageEffectPerceivedByConsumers
1701 00000143 - Disclosure - (28) FINANCE INCOME (EXPENSES) (Details) Network

*

*

 http://cpfl.riweb.com.br/role/FinanceIncomeExpensesDetails
1702 Implied Table Table

*

*

 implied:Table
1703 Finance Income Expenses Abstract cpl:FinanceIncomeExpensesDetailsAbstract
1704 Finance Income Abstract cpl:FinanceIncomeAbstract
1705 Income from financial investments Concept (Monetary) For Period Credit ifrs-full:RevenueFromInterest
1706 Late payment interest and fines Concept (Monetary) For Period Credit ifrs-full:IncomeFromFinesAndPenalties
1707 Adjustment for inflation of tax credits Concept (Monetary) For Period Debit cpl:AdjustmentForInflationOfTaxCredits
1708 Adjustment for inflation of escrow deposits Concept (Monetary) For Period Debit cpl:AdjustmentForInflationOfEscrowDeposits
1709 Adjustment for inflation and exchange rate changes Concept (Monetary) For Period Debit cpl:AdjustmentForInflationAndExchangeRateChanges
1710 Discount on purchase of ICMS credit Concept (Monetary) For Period Debit cpl:DiscountOnPurchaseOfICMSCredit1
1711 Adjustments to the sector financial asset (note 8) Concept (Monetary) For Period Debit cpl:AdjustmentsToTheSectorFinanciAlasset
1712 PIS and COFINS on other finance income Concept (Monetary) For Period Debit cpl:PISAndCOFINSOnOtherFinanceIncome
1713 PIS and COFINS on interest on capital Concept (Monetary) For Period Debit cpl:PisAndCofinsOnInterestOnCapital
1714 Other Concept (Monetary) For Period Credit ifrs-full:OtherFinanceIncome
1715 Total Concept (Monetary) For Period Credit ifrs-full:FinanceIncome
1716 Finance expenses Abstract cpl:FinanceCostsAbstract
1717 Interest on debts Concept (Monetary) For Period Debit cpl:InterestOnDebts
1718 Adjustment for inflation and exchange rate changes Concept (Monetary) For Period Debit cpl:AdjustmentForInflationAndExchangeRateChangesFinanceCosts
1719 Capitalized interest Concept (Monetary) For Period ifrs-full:InterestCostsCapitalised
1720 Adjustments to the sector financial liability (note 8) Concept (Monetary) For Period Debit cpl:AdjustmentsToTheSectorFinancialLiability
1721 Use of public asset Concept (Monetary) For Period Debit cpl:UseOfPublicAsset1
1722 Others Concept (Monetary) For Period Debit ifrs-full:OtherFinanceCost
1723 Total Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
1724 Finance expenses, net Concept (Monetary) For Period Debit cpl:NetFinanceCosts
1725 00000144 - Disclosure - (28) FINANCE INCOME (COSTS) (Details Narrative) Network

*

*

 http://cpfl.riweb.com.br/role/FinanceIncomeCostsDetailsNarrative
1726 Implied Table Table

*

*

 implied:Table
1727 Finance Income Costs Abstract cpl:FinanceIncomeCostsDetailsNarrativeAbstract
1728 Average rate interests capitalized Concept (Percent) For Period ifrs-full:CapitalisationRateOfBorrowingCostsEligibleForCapitalisation
1729 Gain (loss) on derivative instruments Concept (Monetary) For Period Debit cpl:TaxRateEffectOfChangesTaxLosses
1730 00000145 - Disclosure - (29) SEGMENT INFORMATION (Details) Network

*

*

 http://cpfl.riweb.com.br/role/SegmentInformationDetails
1731 DisclosureOfSegmentInformationTable [Table] Table

*

*

 cpl:DisclosureOfSegmentInformationTable
1732 Segments [axis] Axis ifrs-full:SegmentsAxis
1733 Segments [member] Member ifrs-full:SegmentsMember
1734 Distribution [Member] Member cpl:DistributionMember
1735 Generation (conventional source) [Member] Member cpl:GenerationConventionalSourceMember
1736 Generation (renewable source) [Member] Member cpl:GenerationRenewableSourceMember
1737 Commercialization [Member] Member cpl:CommercializationMember
1738 Services [Member] Member cpl:ServicesMember
1739 Total [Member] Member cpl:SubtotalMember
1740 Others [Member] Member cpl:OthersMember
1741 Elimination [Member] Member cpl:EliminationMember
1742 DisclosureOfSegmentInformationLineItems [Line Items] LineItems cpl:DisclosureOfSegmentInformationLineItems
1743 Net operating revenue Concept (Monetary) For Period Credit ifrs-full:Revenue
1744 Intersegment revenues Concept (Monetary) For Period Credit cpl:IntersegmentRevenues
1745 Cost of electric energy Concept (Monetary) For Period Debit cpl:ServicesExpense1
1746 Operating costs and expenses Concept (Monetary) For Period Credit cpl:OperatingIncomeExpenseNet
1747 Depreciation and amortization Concept (Monetary) For Period Debit ifrs-full:DepreciationAndAmortisationExpense
1748 Income from electric energy service Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromOperatingActivities
1749 Equity Concept (Monetary) For Period Credit cpl:ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodBeforeTax1
1750 Finance income Concept (Monetary) For Period Credit ifrs-full:FinanceIncome
1751 Finance expenses Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
1752 Profit (loss) before taxes Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
1753 Income tax and social contribution Concept (Monetary) For Period Credit cpl:ProfitLossFromContinuingOperations2
1754 Profit for the year Concept (Monetary) For Period Credit cpl:ProfitLoss2
1755 Purchases of PP&E and intangible assets Concept (Monetary) As Of Credit cpl:PurchaseOfPropertyPlantAndEquipmentAndIntangibleAssets
1756 00000146 - Disclosure - (30) RELATED PARTY TRANSACTIONS (Details) Network

*

*

 http://cpfl.riweb.com.br/role/RelatedPartyTransactionsDetails
1757 Disclosure of transactions between related parties [table] Table

*

*

 ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
1758 Separate management entities [axis] Axis ifrs-full:SeparateManagementEntitiesAxis
1759 Separate management entities [member] Member ifrs-full:SeparateManagementEntitiesMember
1760 Advances [Member] Member cpl:AdvancesMember
1761 Energy purchases and sales, and charges [Member] Member cpl:EnergyPurchasesAndSalesAndChargesMember
1762 Intangible assets, property, plant and equipment, materials and services rendered [Member] Member cpl:IntangibleAssetsPropertyPlantAndEquipmentMaterialsAndServicesRenderedMember
1763 Intragroup loans [Member] Member cpl:IntragroupLoansMember
1764 Dividend and interest on capital [Member] Member cpl:DividendAndInterestOnCapitalMember
1765 Others [Member] Member cpl:OthersMember
1766 Categories Of Related Parties [Axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1767 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1768 BAESA - Energetica Barra Grande S.A. [Member] Member cpl:BAESAEnergeticaBarraGrandeSAMember
1769 Foz do Chapeco Energia S.A. [Member] Member cpl:FozdoChapecoEnergiaSAMember
1770 ENERCAN - Campos Novos Energia S.A. [Member] Member cpl:ENERCANCamposNovosEnergiaSAMember
1771 EPASA - Centrais Eletricas da Paraiba [Member] Member cpl:EPASACentraisEletricasdaParaibaMember
1772 Chapecoense Geracao S.A. [Member] Member cpl:ChapecoenseGeracaoSAMember
1773 Instituto CPFL [Member] Member cpl:InstitutoCPFLMember
1774 Entities under common control [Member] Member cpl:EntitiesUnderCommonControlMember
1775 Disclosure of transactions between related parties [line items] LineItems ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
1776 TOTAL ASSETS Concept (Monetary) As Of Debit ifrs-full:AmountsReceivableRelatedPartyTransactions
1777 TOTAL LIABILITIES Concept (Monetary) As Of Credit ifrs-full:AmountsPayableRelatedPartyTransactions
1778 INCOME Concept (Monetary) For Period Credit cpl:IncomeByNature
1779 EXPENSES Concept (Monetary) For Period Debit cpl:ExpensesByNature
1780 00000147 - Disclosure - (30) RELATED PARTY TRANSACTIONS (Details Narrative) Network

*

*

 http://cpfl.riweb.com.br/role/RelatedPartyTransactionsDetailsNarrative
1781 Implied Table Table

*

*

 implied:Table
1782 Related Party Transactions Abstract cpl:RelatedPartyTransactionsDetailsNarrativeAbstract
1783 Total compensation of key management personnel Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensation
1784 Short-term benefits of post Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationShorttermEmployeeBenefits
1785 Post-employment benefits Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationPostemploymentBenefits
1786 Other long-term benefits Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationOtherLongtermBenefits
1787 00000148 - Disclosure - (31) INSURANCE (Details) Network

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*

 http://cpfl.riweb.com.br/role/InsuranceDetails
1788 DisclosureOfInsuranceTable [Table] Table

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*

 cpl:DisclosureOfInsuranceTable
1789 Types of insurance contracts [Axis] Axis ifrs-full:TypesOfInsuranceContractsAxis
1790 Types of insurance contracts [member] Member ifrs-full:InsuranceContractsMember
1791 Concession Financial Asset / Intangible Assets Policies [Member] Member cpl:ConcessionFinancialAssetIntangibleAssetsPoliciesMember
1792 Transport Policies [Member] Member cpl:TransportPoliciesMember
1793 Stored Materials [Member] Member cpl:StoredMaterialsPoliciesMember
1794 Automobiles [Member] Member cpl:AutoMobilesPoliciesMember
1795 Civil Liability [Member] Member cpl:CivilLiabilityPoliciesMember
1796 Personnel [Member] Member cpl:PersonnelPoliciesMember
1797 Others [Member] Member cpl:OthersPoliciesMember
1798 DisclosureOfInsuranceLineItems [Line Items] LineItems cpl:DisclosureOfInsuranceLineItems
1799 Type of coverage Concept (Text/String) For Period cpl:TypeOfInsuranceCoverage
1800 Principal insurance policies Concept (Monetary) For Period Debit cpl:PrincipalInsurancePolicies
1801 00000149 - Disclosure - (33) FINANCIAL INSTRUMENTS (Details) Network

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*

 http://cpfl.riweb.com.br/role/FinancialInstrumentsDetails
1802 Disclosure of detailed information about financial instruments [table] Table

*

*

 ifrs-full:DisclosureOfFinancialInstrumentsTable
1803 Levels of fair value hierarchy [axis] Axis ifrs-full:LevelsOfFairValueHierarchyAxis
1804 All levels of fair value hierarchy [member] Member ifrs-full:AllLevelsOfFairValueHierarchyMember
1805 Level 1 [Member] Member ifrs-full:Level1OfFairValueHierarchyMember
1806 Level 2 [Member] Member ifrs-full:Level2OfFairValueHierarchyMember
1807 Level 3 [Member] Member ifrs-full:Level3OfFairValueHierarchyMember
1808 Measurement [Axis] Axis ifrs-full:MeasurementAxis
1809 Aggregated measurement [member] Member ifrs-full:AggregatedMeasurementMember
1810 Carrying Amount [Member] Member ifrs-full:NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember
1811 At fair value [member] Member ifrs-full:AtFairValueMember
1812 Disclosure of detailed information about financial instruments [line items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1813 Asset Abstract ifrs-full:AssetsAbstract
1814 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
1815 Cash and cash equivalents Concept (Monetary) As Of Debit cpl:CashAndCashEquivalents1
1816 Derivatives Concept (Monetary) As Of Debit ifrs-full:CurrentDerivativeFinancialAssets
1817 Derivatives - zero-cost collar Concept (Monetary) As Of Debit cpl:CurrentDerivativeFinancialAssets1
1818 Concession financial asset - distribution Concept (Monetary) As Of Debit cpl:ConcessionFinancialAssetDistribution
1819 Financial assets Concept (Monetary) As Of Debit ifrs-full:FinancialAssets
1820 Liability Abstract ifrs-full:LiabilitiesAbstract
1821 Borrowings - principal and interest Concept (Monetary) As Of Credit ifrs-full:ShorttermBorrowings
1822 Borrowings - principal and interest Concept (Monetary) As Of Credit cpl:ShorttermBorrowings1
1823 Debentures - Principal and interest Concept (Monetary) As Of Credit ifrs-full:DebtSecurities
1824 Debentures - Principal and interest Concept (Monetary) As Of Credit cpl:DebtSecurities1
1825 Derivatives Concept (Monetary) As Of Credit ifrs-full:CurrentDerivativeFinancialLiabilities
1826 Financial liability Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilities
1827 00000152 - Disclosure - (33) FINANCIAL INSTRUMENTS (Details 3) Network

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*

 http://cpfl.riweb.com.br/role/FinancialInstrumentsDetails3
1828 Disclosure of detailed information about financial instruments [table] Table

*

*

 ifrs-full:DisclosureOfFinancialInstrumentsTable
1829 Types of risks [Axis] Axis ifrs-full:TypesOfRisksAxis
1830 Risks [member] Member ifrs-full:TypesOfRisksMember
1831 Interest Rate Variation [Member] Member ifrs-full:InterestRateRiskMember
1832 Mark to Market [Member] Member ifrs-full:MarketRiskMember
1833 Exchange Variation [Member] Member ifrs-full:CurrencyRiskMember
1834 Mark to Market [Member] Member cpl:MarketRisk2Member
1835 Disclosure of detailed information about financial instruments [line items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1836 Gain (Loss) Concept (Monetary) For Period Credit cpl:DerivativeGainLossOnDerivative
1837 Gain (Loss) on Comprehensive Income Concept (Monetary) For Period Credit cpl:DerivativeGainLossOnComprehensiveIncome
1838 00000153 - Disclosure - (33) FINANCIAL INSTRUMENTS (Details 4) Network

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*

 http://cpfl.riweb.com.br/role/FinancialInstrumentsDetails4
1839 Disclosure of detailed information about financial instruments [table] Table

*

*

 ifrs-full:DisclosureOfFinancialInstrumentsTable
1840 Assets and liabilities [Axis] Axis ifrs-full:AssetsAndLiabilitiesAxis
1841 Assets and liabilities [member] Member ifrs-full:AssetsAndLiabilitiesMember
1842 Assets [Member] Member cpl:Assets1Member
1843 Liabilities [Member] Member cpl:Liabilities1Member
1844 Disclosure of detailed information about financial instruments [line items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1845 As of Beginning Year Concept (Monetary) As Of Debit cpl:DerivativeGainLossOnMarkingToMarket
1846 Measurement at fair value Concept (Monetary) For Period Credit cpl:MeasurementAtFairValue
1847 Net cash received from settlement of flows Concept (Monetary) For Period Debit cpl:NetCashReceivedFromSettlementOfFlows
1848 As of Ending Year Concept (Monetary) As Of Debit cpl:DerivativeGainLossOnMarkingToMarket
1849 00000154 - Disclosure - (33) FINANCIAL INSTRUMENTS (Details 5) Network

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*

 http://cpfl.riweb.com.br/role/FinancialInstrumentsDetails5
1850 Disclosure of detailed information about financial instruments [table] Table

*

*

 ifrs-full:DisclosureOfFinancialInstrumentsTable
1851 Classes of liabilities [Axis] Axis ifrs-full:ClassesOfLiabilitiesAxis
1852 Liabilities [member] Member ifrs-full:LiabilitiesMember
1853 Financial Liability Instruments [Member] Member cpl:FinancialLiabilityInstrumentsMember
1854 Derivatives - Plain Vanilla Swap [Member] Member cpl:DerivativesPlainVanillaSwapMember
1855 Financial Liability Instruments & Derivatives - Plain Vanilla Swap [Member] Member cpl:FinancialLiabilityInstrumentsAndDerivativesPlainVanillaSwapMember
1856 Financial Liability Instruments [Member] Member cpl:FinancialLiabilityInstruments1Member
1857 Derivatives - Plain Vanilla Swap [Member] Member cpl:DerivativesPlainVanillaSwap1Member
1858 Financial Liability Instruments & Derivatives - Plain Vanilla Swap [Member] Member cpl:FinancialLiabilityInstrumentsAndDerivativesPlainVanillaSwap1Member
1859 Derivatives - Zero-cost collar [Member] Member cpl:DerivativesZeroCostCollarMember
1860 Hedging instruments [axis] Axis ifrs-full:HedgingInstrumentsAxis
1861 Hedging instruments [member] Member ifrs-full:HedgingInstrumentsMember
1862 Exchange Rate Hedge [Member] Member cpl:ExchangeRateHedgeMember
1863 Disclosure of detailed information about financial instruments [line items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1864 Exposure Concept (Monetary) As Of ifrs-full:RiskExposureAssociatedWithInstrumentsSharingCharacteristic
1865 Exposure - US$ thousand Concept (Monetary) As Of Credit cpl:RiskExposureAssociatedWithInstrumentsSharingCharacteristic1
1866 Risk Concept (Text/String) For Period cpl:DescriptionOfRisk1
1867 Decrease (increase) Currency depreciation Concept (Monetary) For Period Debit cpl:DecreaseIncreaseCurrencyDepreciation
1868 Decrease (increase) Currency appreciation / depreciation of 25% Concept (Monetary) For Period Debit cpl:DecreaseIncreaseCurrencyAppreciationDepreciationOf25Percent
1869 Decrease (increase) Currency appreciation / depreciation of 50% Concept (Monetary) For Period Debit cpl:DecreaseIncreaseCurrencyAppreciationDepreciationOf50Percent
1870 00000156 - Disclosure - (33) FINANCIAL INSTRUMENTS (Details 7) Network

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 http://cpfl.riweb.com.br/role/FinancialInstrumentsDetails7
1871 Disclosure of detailed information about financial instruments [table] Table

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 ifrs-full:DisclosureOfFinancialInstrumentsTable
1872 Types of risks [Axis] Axis ifrs-full:TypesOfRisksAxis
1873 Risks [member] Member ifrs-full:TypesOfRisksMember
1874 Liquidity Risk [Member] Member ifrs-full:LiquidityRiskMember
1875 Classes of financial liabilities [axis] Axis ifrs-full:ClassesOfFinancialLiabilitiesAxis
1876 Financial liabilities, class [member] Member ifrs-full:FinancialLiabilitiesMember
1877 Trade payables [Member] Member cpl:TradePayablesMember
1878 Borrowings - principal and interest [Member] Member cpl:BorrowingsPrincipalAndInterestMember
1879 Derivatives [Member] Member ifrs-full:DerivativesMember
1880 Debentures - principal and interest [Member] Member cpl:DebenturesPrincipalAndInterestMember
1881 Regulatory charges [Member] Member cpl:RegulatoryChargesMember
1882 Use of public asset [Member] Member cpl:UseOfPublicAssetMember
1883 Others [Member] Member cpl:OthersFinancilalInstrumentMember
1884 Consumers and concessionaires [Member] Member cpl:ConsumersAndConcessionairesMember
1885 EPE / FNDCT / PROCEL [Member] Member cpl:EnergyResearchCompanyNationalCcientificAndTechnologicalDevelopmentFundAndNationalProgramForElectricEnergySavingsMember
1886 Collections agreement [Member] Member cpl:CollectionsAgreementMember
1887 Reversal fund [Member] Member cpl:ReversalFundMember
1888 Business combination [Member] Member cpl:BusinessCombinationMember
1889 Maturity [Axis] Axis ifrs-full:MaturityAxis
1890 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1891 Less than 1 Month [Member] Member cpl:LessThanOneMonthMember
1892 1-3 Months [Member] Member ifrs-full:LaterThanOneMonthAndNotLaterThanThreeMonthsMember
1893 3 Months To 1 Year [Member] Member ifrs-full:LaterThanThreeMonthsAndNotLaterThanOneYearMember
1894 1-3 Years [Member] Member ifrs-full:LaterThanOneYearAndNotLaterThanThreeYearsMember
1895 4-5 Years [Member] Member ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMember
1896 More than 5 years [Member] Member ifrs-full:LaterThanFiveYearsMember
1897 Disclosure of detailed information about financial instruments [line items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1898 Financial liabilities Concept (Monetary) As Of Credit cpl:FinancialLiabilitiesUndiscountedCashFlows
1899 00000157 - Disclosure - (34) NON-CASH TRANSACTION (Details) Network

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 http://cpfl.riweb.com.br/role/Non-cashTransactionDetails
1900 Implied Table Table

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1901 Non-cash Transaction Abstract cpl:NoncashTransactionDetailsAbstract
1902 Transactions resulting from business combinations Abstract cpl:TransactionsResultingFromBusinessCombinationsAbstract
1903 Borrowings and debentures Concept (Monetary) For Period Debit cpl:AcquisitionsThroughBusinessCombinationsBiologicalAssets1
1904 Concession financial asset Concept (Monetary) For Period Debit cpl:AcquisitionsThroughBusinessCombinationsConcessionFinancialAsset1
1905 Intangible assets Concept (Monetary) For Period Debit cpl:AcquisitionsThroughBusinessCombinationsIntangibleAssetsAndGoodwill1
1906 Property, plant and equipment Concept (Monetary) For Period Debit cpl:AcquisitionsThroughBusinessCombinationsInvestmentProperty1
1907 Other net assets acquired Concept (Monetary) For Period Credit cpl:AcquisitionsThroughBusinessCombinationsOtherProvisions1
1908 Total transactions resulting from business combinations Concept (Monetary) For Period Credit cpl:ConsiderationPaidReceived1
1909 Cash and cash equivalents acquired in the business combination Concept (Monetary) For Period Credit cpl:PortionOfConsiderationPaidReceivedConsistingOfCashAndCashEquivalents1
1910 Consideration paid in the acquisition, net Concept (Monetary) For Period Debit cpl:CashAndCashEquivalentsInSubsidiaryOrBusinessesAcquiredOrDisposed
1911 Other transactions Abstract cpl:OtherTransactionsAbstract
1912 Capital increase through earnings reserve Concept (Monetary) For Period Credit cpl:CapitalIncreaseThroughEarningsReserve
1913 Escrow deposits to property, plant and equipment Concept (Monetary) For Period Debit cpl:EscrowDepositsToPropertyPlantAndEquipment
1914 Interest capitalized in property, plant and equipment Concept (Monetary) For Period Credit cpl:IncreaseDecreaseThroughInterestCapitalizedInPropertyPlantAndEquipment
1915 Interest capitalized in concession financial asset - distribution infrastructure Concept (Monetary) For Period Credit cpl:IncreaseDecreaseThroughInterestCapitalizedInConcessionFinancialAssetDistributionInrastructure
1916 Reversal of contingencies against intangible assets Concept (Monetary) For Period Credit cpl:IncreaseDecreaseThroughReversalOfContingenciesAgainstIntangibleAssets
1917 Repayment of intercompany loans with noncontrolling shareholders' dividends Concept (Monetary) For Period Credit cpl:RepaymentOfIntercompanyLoansWithNoncontrollingShareholdersDividends1
1918 Provision for environmental costs capitalized in property, plant and equipment Concept (Monetary) For Period Credit cpl:IncreaseDecreaseThroughProvisionForSocioEnvironmentalCostScapitalizedInPropertyPlantAndEquipment
1919 Transfers between property, plant and equipment and other assets Concept (Monetary) For Period Debit cpl:IncreaseDecreaseThroughTransfersFromToInvestmentPropertyPropertyPlantAndEquipment1
1920 00000158 - Disclosure - (35) COMMITMENTS (Details) Network

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 http://cpfl.riweb.com.br/role/CommitmentsDetails
1921 DisclosureOfCommitmentsTable [Table] Table

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 cpl:DisclosureOfCommitmentsTable
1922 Contract duration [axis] Axis ifrs-full:ContractDurationAxis
1923 Contract duration [member] Member ifrs-full:ContractDurationMember
1924 Rentals Member cpl:OperationalLeasingsMember
1925 Energy purchase agreements (except Itaipu) [Member] Member cpl:EnergyPurchaseAgreementsExceptItaipuMember
1926 Energy purchase from Itaipu [Member] Member cpl:EnergyPurchaseFromItaipuMember
1927 Energy system service charges [Member] Member cpl:EnergySystemServiceChargesMember
1928 GSF renegotiation [Member] Member cpl:GSFRenegotiationMember
1929 Power plant construction projects [Member] Member cpl:PowerPlantConstrutionProjectsMember
1930 Trade payables [Member] Member cpl:TradePayablesMember
1931 Other commitments related to the operation of concessions [Member] Member cpl:OtherCommitmentsRelatedToTheOperationOfConcessionsMember
1932 Maturity [Axis] Axis ifrs-full:MaturityAxis
1933 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1934 Less than 1 year [Member] Member cpl:LessThanOneYearMember
1935 1-3 years [Member] Member cpl:OneToThreeYearsMember
1936 4-5 years [Member] Member cpl:FourToFiveYearsMember
1937 More than 5 years [Member] Member cpl:MoreThanFiveYearsMember
1938 DisclosureOfCommitmentsLineItems [Line Items] LineItems cpl:DisclosureOfCommitmentsLineItems
1939 Duration Concept (Text/String) For Period cpl:CommitmentsContingenciesDuration
1940 Total Concept (Monetary) As Of Credit cpl:CapitalCommitmentsTotal
1941 00000167 - Disclosure - (36) CONDENSED UNCONSOLIDATED FINANCIAL INFORMATION (Details 8) Network

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 http://cpfl.riweb.com.br/role/CondensedUnconsolidatedFinancialInformationDetails8
1942 DisclosureOfCondensedUnconsolidatedFinancialInformationTable [Table] Table

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 cpl:DisclosureOfCondensedUnconsolidatedFinancialInformationTable
1943 Subsidiaries [Axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1944 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
1945 Companhia Paulista de Forca e Luz ("CPFL Paulista") [Member] Member cpl:CompanhiaPaulistadeForcaeLuzMember
1946 Companhia Piratininga de Forca e Luz ("CPFL Piratininga") [Member] Member cpl:CompanhiaPiratiningadeForcaeLuzMember
1947 Companhia Luz e Forca Santa Cruz [Member] Member cpl:CompanhiaLuzeForcaSantaCruz2Member
1948 Companhia Leste Paulista de Energia ("CPFL Leste Paulista") [Member] Member cpl:CompanhiaLestePaulistadeEnergiaMember
1949 Companhia Sul Paulista de Energia ("CPFL Sul Paulista") [Member] Member cpl:CompanhiaSulPaulistadeEnergiaMember
1950 Companhia Jaguari de Energia ( "CPFL Santa Cruz") [Member] Member cpl:CPFLSantaCruzMember
1951 Companhia Luz e Forca de Mococa ("CPFL Mococa") [Member] Member cpl:CompanhiaLuzeForcadeMococaMember
1952 Rio Grande Energia S.A. [Member] Member cpl:RioGrandeEnergiaSAMember
1953 RGE Sul Distribuidora de Energia S.A. ("RGE") [Member] Member cpl:RGESulDistribuidoradeEnergiaSAMember
1954 CPFL Geracao de Energia S.A. ("CPFL Geracao") [Member] Member cpl:CPFLGeracaodeEnergiaSAMember
1955 CPFL Jaguari de Geracao de Energia Ltda ("CPFL Jaguari Geracao") [Member] Member cpl:CPFLJaguarideGeracaodeEnergiaLtdaMember
1956 CPFL Comercializacao Brasil S.A. ("CPFL Brasil") [Member] Member cpl:CPFLComercializacaoBrasilSAMember
1957 CPFL Planalto Ltda. ("CPFL Planalto") [Member] Member cpl:CPFLPlanaltoLtdaMember
1958 CPFL Servicos, Equipamentos, Industria e Comercio S.A. ("CPFL Servicos") [Member] Member cpl:CPFLServicosEquipamentosIndustriaeComercioSAMember
1959 CPFL Atende Centro de Contatos e Atendimento Ltda. ("CPFL Atende") [Member] Member cpl:CPFLAtendeCentrodeContatoseAtendimentoLtdaMember
1960 NECT Servicos Administrativos Ltda ("Nect") [Member] Member cpl:NECTServicosAdministrativosLtdaMember
1961 CPFL Total Servicos Administrativos Ltda. ("CPFL Total") [Member] Member cpl:CPFLTotalServicosAdministrativosLtdaMember
1962 CPFL Jaguariuna Participacoes Ltda ("CPFL Jaguariuna") [Member] Member cpl:CPFLJaguariunaParticipacoesLtdaMember
1963 CPFL Telecom S.A ("CPFL Telecom") [Member] Member cpl:CPFLTelecomSAMember
1964 CPFL Centrais Geradoras Ltda. ("CPFL Centrais Geradoras") [Member] Member cpl:CPFLCentraisGeradorasLtdaMember
1965 CPFL Eficiencia Energetica S.A ("CPFL Eficiência") [Member] Member cpl:CPFLEficienciaEnergeticaSAMember
1966 TI Nect Servicos de Informatica Ltda. ("Authi") [Member] Member cpl:TINectServicosdeInformaticaLtdaMember
1967 DisclosureOfCondensedUnconsolidatedFinancialInformationLineItems [Line Items] LineItems cpl:DisclosureOfCondensedUnconsolidatedFinancialInformationLineItems
1968 Number of shares Concept (Monetary) For Period Credit ifrs-full:IssueOfEquity
1969 Equity interest Concept (Monetary) For Period Credit cpl:EquityInterest
1970 Share of profit (loss) of investees Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod
1971 Amortization of fair value adjustments of assets Concept (Monetary) For Period Debit cpl:AdjustmentsForFairValueGainsLossesAdjustmentsOfAssets
1972 Share of profit (loss) of investees, net of amortization of fair value adjustments of assets Concept (Monetary) For Period Debit cpl:InvestmentTotal
1973 Investment Concept (Monetary) For Period Credit cpl:InvestmentIncome1
1974 Advances for future capital increases Concept (Monetary) For Period Debit cpl:AdvancesForFutureCapitalIncreases
1975 Allowance for equity investment losses Concept (Monetary) For Period Credit cpl:AllowanceForEquityInvestmentLoss
1976 00000169 - Disclosure - (36) CONDENSED UNCONSOLIDATED FINANCIAL INFORMATION (Details 10) Network

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1977 DisclosureOfCondensedUnconsolidatedFinancialInformationTable [Table] Table

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 cpl:DisclosureOfCondensedUnconsolidatedFinancialInformationTable
1978 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1979 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1980 5th Issue [Member] Member cpl:FifthIssueDebentureMember
1981 DisclosureOfCondensedUnconsolidatedFinancialInformationLineItems [Line Items] LineItems cpl:DisclosureOfCondensedUnconsolidatedFinancialInformationLineItems
1982 5th Issue Concept (Text/String) For Period cpl:BorrowingIssue
1983 Current and noncurrent interest Concept (Monetary) For Period Debit cpl:InterestCostsIncurred1
1984 Noncurrent principal Concept (Monetary) As Of Credit cpl:DebtInstrumentPrincipalAmountNoncurrent2
1985 Total Concept (Monetary) As Of Credit cpl:DebtInstrumentPrincipalAmount2

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