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The net exposure to exchange rates is as follows: (Details) - BRL (R$) R$ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
IfrsStatementLineItems [Line Items] |  |
Total |  | R$ 2
Foreign [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Loans and financing (note 22) | (1,008) | (1,514)
Suppliers (Itaipu Binacional) (note 20) | (59) | (63)
Total | (1,067) | (1,577)
Domestic [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Loans and financing (note 22) | (5,623) | (7,866)
Suppliers (Itaipu Binacional) (note 20) | (331) | (325)
Total | (5,954) | (8,191)
Net liabilities exposed | R$ (5,954) | R$ (8,191)

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