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Schedule of changes in loans, financings and debentures (Details) - BRL (R$) R$ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Loans Financing And Debentures |  |  |
Balance at December 31, 2020 | R$ 15,020 | R$ 14,777 | R$ 14,772
Loans and financing obtained |  | 850 | 4,510
(–) Transaction costs | (37) | (24) | (10)
(–) Discount in the issues of securities | (15) |  | (23)
Financing obtained, net |  |  | 4,477
Monetary variation | 331 | 187 | 142
Exchange rate variation | 353 | 1,742 | 226
Financial charges provisioned | 1,162 | 1,211 | 1,250
Amortization of transaction cost | 20 | 15 | 38
Financial charges paid | (1,589) | (1,212) | (1,265)
Amortization of financing | (4,437) | (2,531) | (4,883)
Subtotal |  | 15,017 | 14,757
FIC Pampulha: Marketable securities of subsidiary companies |  | 3 | 20
Liabilities arising from business combination (1) | 13 | 10 |
Initial balance for consolidation purposes |  | 14,787 |
Reclassification to “Other obligations” |  | (8) |
Premium on repurchase of debt securities (Eurobonds) | 491 |  |
Balance at December 31, 2021 | R$ 11,364 | R$ 15,020 | R$ 14,777

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