XML 10 R3.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Consolidated Statement of Income - BRL (R$) R$ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
NET REVENUE | R$ 21,712 | R$ 18,773 | R$ 21,868
COST OF ENERGY AND GAS |  |  |
Energy purchased for resale | (10,919) | (8,273) | (9,542)
Charges for the use of the national grid | (1,174) | (947) | (999)
Gas purchased for resale | (1,071) | (878) | (1,051)
Cost of purchased energy sold | (13,164) | (10,098) | (11,592)
OTHER COSTS |  |  |
Personnel and managers | (1,270) | (1,348) | (1,143)
Materials | (73) | (41) | (126)
Outsourced services | (759) | (720) | (740)
Depreciation and amortization | (787) | (802) | (811)
Operating provisions, net | (226) | (171) | (23)
Infrastructure construction cost | (1,119) | (1,193) | (1,252)
Other | (90) | (57) | (96)
Other costs | (4,324) | (4,332) | (4,191)
TOTAL COST | (17,488) | (14,430) | (15,783)
GROSS PROFIT | 4,224 | 4,343 | 6,085
OPERATING EXPENSES | 1,330 | 1,474 | 2,504
Selling expenses | (248) | (382) | (175)
General and administrative expenses | (763) | (667) | (674)
Operating provisions | (353) | (5) | (1,203)
Other operating revenues (expenses) | 34 | (420) | (452)
Operating expense | (1,330) | (1,474) | (2,504)
Share of (loss) profit, net, of associates and joint ventures | (252) | (302) | 393
Impairment loss on Investments |  | (763) |
Fair value gain on shareholding transaction |  |  | 729
Income before finance income (expenses) and taxes | 2,642 | 1,804 | 4,703
Finance income | 804 | 1,041 | 863
Finance expenses | (1,800) | (2,478) | (2,204)
Income before income tax and social contribution tax | 1,646 | 367 | 3,362
Current income and social contribution taxes | (446) | (174) | (881)
Deferred income and social contribution taxes | (198) | 141 | (12)
NET INCOME (LOSS) FOR THE YEAR | 1,002 | 334 | 2,469
Total of net income for the year attributed to: |  |  |
Equity holders of the parent | 1,001 | 334 | 2,469
Non-controllinginterests | 1 |  |
NET INCOME (LOSS) FOR THE YEAR | R$ 1,002 | R$ 334 | R$ 2,469
Preferred shares [member] |  |  |
Total of net income for the year attributed to: |  |  |
Basic earnings per preferred share - R$ | R$ 0.84 | R$ 0.35 | R$ 1.96
Basic earnings per preferred share - R$ | 0.84 | 0.32 | 1.96
Common shares [member] |  |  |
Total of net income for the year attributed to: |  |  |
Basic earnings per preferred share - R$ | 0.37 | 0.10 | 1.96
Basic earnings per preferred share - R$ | R$ 0.37 | R$ 0.07 | R$ 1.96

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- Definition The amount of costs relating to expenses directly or indirectly attributed to the goods or services sold, which may include, but are not limited to, costs previously included in the measurement of inventory that has now been sold, unallocated production overheads and abnormal amounts of production costs of inventories. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 99 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_99&doctype=Standard -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 103 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_103&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of income taxes payable (recoverable) in respect of the taxable profit (tax loss) for a period. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 12 -IssueDate 2017-01-01 -Paragraph 80 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=12&date=2017-03-01&anchor=para_80_a&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The profit (loss) attributable to non-controlling interests. [Refer: Profit (loss); Non-controlling interests] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2017-01-01 -Paragraph 12 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=12&date=2017-03-01&anchor=para_12_e&doctype=Standard -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 81B -Subparagraph a -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_81B_a_i&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The profit (loss) from continuing operations before tax expense or income. [Refer: Profit (loss)] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 8 -IssueDate 2017-01-01 -Paragraph 28 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=8&date=2017-03-01&anchor=para_28_b&doctype=Standard -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 8 -IssueDate 2017-01-01 -Paragraph 23 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=8&date=2017-03-01&anchor=para_23&doctype=Standard -URIDate 2017-03-09 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 103 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_103&doctype=Standard -URIDate 2017-03-09 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 102 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_102&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition Cost of energy and gas. + References No definition available. + Details
Name: | xcmig_CostOfEnergyAndGasAbstract
Namespace Prefix: | xcmig_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Energy purchased for resale. + References No definition available. + Details
Name: | xcmig_EnergyPurchasedForResale
Namespace Prefix: | xcmig_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Fair value gain loss on stockholding transaction. + References No definition available. + Details
Name: | xcmig_FairValueGainLossOnStockholdingTransaction
Namespace Prefix: | xcmig_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Gas purchased for resale. + References No definition available. + Details
Name: | xcmig_GasPurchasedForResale
Namespace Prefix: | xcmig_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition General and administrative expenses. + References No definition available. + Details
Name: | xcmig_GeneralAndAdministrativeExpense2
Namespace Prefix: | xcmig_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Income before financial income expenses and taxes. + References No definition available. + Details
Name: | xcmig_IncomeBeforeFinancialIncomeExpensesAndTaxes
Namespace Prefix: | xcmig_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Infrastructure construction cost. + References No definition available. + Details
Name: | xcmig_InfrastructureConstructionCost
Namespace Prefix: | xcmig_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Material cost. + References No definition available. + Details
Name: | xcmig_MaterialCost
Namespace Prefix: | xcmig_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition National grid usage charges. + References No definition available. + Details
Name: | xcmig_NationalGridUsageCharges
Namespace Prefix: | xcmig_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Operating Cost Provisions + References No definition available. + Details
Name: | xcmig_OperatingCostProvisions
Namespace Prefix: | xcmig_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Operating expense provisions. + References No definition available. + Details
Name: | xcmig_OperatingExpenseProvisions
Namespace Prefix: | xcmig_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Other cost. + References No definition available. + Details
Name: | xcmig_OtherCostAbstract
Namespace Prefix: | xcmig_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Other costs. + References No definition available. + Details
Name: | xcmig_OtherCosts
Namespace Prefix: | xcmig_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Personnel and managers. + References No definition available. + Details
Name: | xcmig_PersonnelAndManagers
Namespace Prefix: | xcmig_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | ifrs-full_ClassesOfShareCapitalAxis=xcmig_PreferredSharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfShareCapitalAxis=xcmig_CommonSharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |