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INFORMATION BY BUSINESS SEGMENT - Impairment by segment (Details) - BRL (R$) R$ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Administration
Operating Segment
Impairment by segment	R$ 70,431	R$ 70,431
Administration | Intangible assets
Operating Segment
Impairment by segment	70,431	70,431
Generation
Operating Segment
Impairment by segment	1,175,713	1,709,487	R$ 2,683,473
Generation | Property, plant and equipment
Operating Segment
Impairment by segment	1,175,713	1,702,409
Generation | Intangible assets
Operating Segment
Impairment by segment		7,078
Reportable Segments
Operating Segment
Impairment by segment	1,246,144	1,779,918
Reportable Segments | Property, plant and equipment
Operating Segment
Impairment by segment	1,175,713	1,702,409
Reportable Segments | Intangible assets
Operating Segment
Impairment by segment	R$ 70,431	R$ 77,509

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- Definition

The accumulated amount recognised as a reduction of the carrying amount of an asset or cash-generating unit to its recoverable amount.

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

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