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INCOME AND SOCIAL CONTRIBUTION TAXES (Details 2) - BRL (R$) R$ in Millions | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | ---
Deferred tax assets |  |  |
Tax loss carryforwards | R$ 987 | R$ 807 | R$ 401
Provisions for contingencies | 602 | 542 | 538
Impairment on investments | 56 | 244 | 640
Fair value of derivative financial instruments (PUT SAAG) | 229 | 216 | 182
Post-employment obligations | 1,852 | 1,981 | 2,168
Estimated credit losses | 319 | 315 | 256
Others | 665 | 150 | 138
Total | 4,710 | 4,255 | 4,323
Deferred tax liabilities |  |  |
Funding cost | (9) | (5) |
Deemed cost | (156) | (219) | (225)
Fair value of assets acquired in business combination | (456) | (466) | (486)
Borrowing costs capitalized | (170) | (165) | (169)
Taxes on unredeemed income - presumed income | (9) | (4) |
Adjustment to expectation of cash flow - Concession assets | (263) | (245) | (242)
Adjustment of contract assets | (940) | (895) | (768)
Adjustment to fair value: Swap - Loss | (210) | (412) | (1,002)
Updating on escrow deposits | (8) | (7) | (6)
Reimbursement of costs - GSF | (274) | (319) |
Others | (27) | (15) | (12)
Total | (2,522) | (2,752) | (2,910)
Total, net | 2,188 | 1,503 | 1,413
Total assets | 3,120 | 2,465 | 2,453
Total liabilities | R$ (932) | R$ (962) | R$ (1,040)

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