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11 Contract Assets (Tables) | 12 Months Ended
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Dec. 31, 2019
Contract assets [abstract] |
Summary of Contract Assets |
| 12.31.2019 | 12.31.2018
Power distribution service concession (11.1) | 844,284 | 640,500
Piped gas distribution service concession (11.2) | 26,734 | 25,718
Power transmission concession (11.3) | 3,180,366 | 2,767,012
| 4,051,384 | 3,433,230
Current | 107,443 | 85,019
Noncurrent | 3,943,941 | 3,348,211
Power distribution service concession contract | 11.1 Power distribution service concession contract
| Assets | Special liabilities | Total
Balance as of January 1, 2018 | - | - | -
Transfers from intangible assets (Note 18.1) | 714,446 | (26,100) | 688,346
Acquisitions | 797,832 | - | 797,832
Customers contributions | - | (106,764) | (106,764)
Provision for legal claims added to the cost of the works | 4,320 | - | 4,320
Transfers to intangible assets (Note 18.1) | (775,701) | 107,679 | (668,022)
Transfers from/to accounts receivable - concessions (Note 10.1) | (67,310) | 930 | (66,380)
Loss on disposal | (8,832) | - | (8,832)
Balance as of December 31, 2018 | 664,755 | (24,255) | 640,500
Acquisitions | 1,021,644 | - | 1,021,644
Customers contributions | - | (104,067) | (104,067)
Provision for legal claims added to the cost of the works | 1,823 | - | 1,823
Transfers from/to intangible assets (Note 18.1) | (771,844) | 93,164 | (678,680)
Transfers from/to accounts receivable - concessions (Note 10.1) | (33,075) | 4,088 | (28,987)
Loss on disposal | (7,949) | - | (7,949)
Balance as of December 31, 2019 | 875,354 | (31,070) | 844,284
Piped gas distribution service concession contract | 11.2 Piped gas distribution service concession contract
Balance as of January 1, 2018 | -
Transfers from intangible assets (Note 18.3) | 19,471
Acquisitions | 15,618
Transfers to intangible assets (Note 18.3) | (2,042)
Transfers from/to accounts receivable - concessions (Note 10.1) | (6,399)
Loss on disposal | (930)
Balance as of December 31, 2018 | 25,718
Acquisitions | 17,590
Transfers to accounts receivable - concessions (Note 10.2) | (16,574)
Balance as of December 31, 2019 | 26,734
Transmission service concession contract | 11.3 Transmission service concession contract
Balance as of January 1, 2018 | -
Transfers from/to accounts receivable - concessions | 1,497,399
Transfers from accounts receivable linked to the concession - RBSE (Note 10.4) | 635,292
Effect of the acquisition of control of the Costa Oeste and Marumbi | 258,908
Transfers to electricity grid use charges - customers | (243,247)
Transfers to property, plant and equipment | (501)
Transfers from litigations | 8,277
Remuneration | 268,904
Construction revenue | 297,018
Construction income | 44,962
Balance as of December 31, 2018 | 2,767,012
Business combinations effects (Note 1.2) | 117,942
Realization of gains/losses in business combinations | 282
Transfers to electricity grid use charges - customers | (286,158)
Transfers to property, plant and equipment | (3,353)
Transfers from litigations | (313)
Remuneration | 368,514
Construction revenue | 173,733
Construction income | 42,707
Balance as of December 31, 2019 | 3,180,366

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