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Insurance (Tables) | 12 Months Ended
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Dec. 31, 2017
Text block1 [abstract] |
Summary ofAmounts Arising From Insurance Contracts |
|  | Cover |  | Dates of cover |  | Amount insured (1) |  | Annual premium (1)
Companhia Energética de Minas Gerais |  |  |  |  |  |  |  |
Facilities in buildings |  | Fire |  | 01/08/2018 – 01/08/2019 |  | R$53,348 |  | R$12
Cemig Geração e Transmissão |  |  |  |  |  |  |  |
Air transport / Aircraft |  | Fuselage Third party |  | 04/29/2017 – 04/29/2018 |  | US$4,675 US$14,000 |  | US$58
Warehouse stores |  | Fire |  | 10/02/2017 – 10/02/2018 |  | R$14,931 |  | R$21
Buildings |  | Fire |  | 01/08/2018 – 01/08/2019 |  | R$454,828 |  | R$98
Telecoms equipment |  | Fire |  | 01/08/2018 – 01/08/2019 |  | R$11,514 |  | R$5
Operational risk |  | — |  | 12/07/2017 – 12/07/2018 |  | R$1,333,711 |  | R$1,790
Cemig Distribuição |  |  |  |  |  |  |  |
Air transport / Aircraft / Guimbal equipment |  | Fuselage Third party |  | 04/29/2017 – 04/29/2018 |  | US$3,613 US$14,000 |  | US$42
Warehouse stores |  | Fire |  | 10/02/2017 – 10/02/2018 |  | R$84,169 |  | R$120
Facilities in buildings |  | Fire |  | 01/08/2018 – 01/08/2019 |  | R$1,003,221 |  | R$217
Telecoms equipment |  | Fire |  | 01/08/2018 – 01/08/2019 |  | R$17,208 |  | R$7
Operational risk – Transformers above 15MVA and other energy distribution equipment with value above R$ 1,000 (2) |  | Total |  | 12/07/2017 – 12/07/2018 |  | R$471,265 |  | R$633
Gasmig |  |  |  |  |  |  |  |
Gas distribution network / Third party |  | Third party |  | 12/15/17 – 12/15/18 |  | R$60,000 |  | R$429
Own vehicle fleet (Operation) |  | Damage to third parties only |  | 07/07/17 – 07/07/18 |  | R$500 |  | R$2
Own vehicle fleet (Directors) |  | Full cover |  | 10/25/17 – 10/25/18 |  | R$100 |  | R$1
Facilities—multirisk |  | Robbery, theft and fire |  | 01/01/17 – 01/01/18 |  | R$41,374 |  | R$50
(1) | Amounts expressed in R$ ‘000 or US$’000.
(2) | Maximum indemnity limit: R$ 231 million for Cemig GT; R$ 214 million for Cemig D.

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- Definition The disclosure of information that identifies and explains the amounts in the entity's financial statements arising from insurance contracts. [Refer: Types of insurance contracts [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 4 -IssueDate 2017-01-01 -Paragraph 36 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=4&date=2017-03-01&anchor=para_36&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition Text block1 [abstract] + References No definition available. + Details
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