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v3.21.1

2. BASIS OF PREPARATION (Details 2) - BRL (R$) R$ in Millions |  | 12 Months Ended
--- | --- | ---
Jan. 02, 2019 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
CASH FLOW FROM OPERATIONS |  |  |  |  |  |  |  |
Net income for the year from continuing operations |  |  |  | R$ 2,865 | R$ 2,969 | [1] | R$ 1,401 | [1]
Net income for the year from discontinuing operations |  |  |  |  | 224 | [1] | 363 | [1]
Adjustments to reconcile net income to net cash flows: |  |  |  |  |  |  |  |
Deferred income tax and social contribution tax |  |  |  | 252 |  |  |  |
Loss on write-off of net residual value of unrecoverable concession financial assets, concessional contract asset, PP&E and Intangible assets |  |  |  | 39 |  |  |  |
Others |  |  |  | 57 |  |  |  |
TOTAL |  |  |  | 3,968 |  |  |  |
Increase (decrease) in liabilities |  |  |  |  |  |  |  |
Others |  |  |  | 106 |  |  |  |
TOTAL |  |  |  | (1,676) |  |  |  |
Increase (decrease) in liabilities |  |  |  | (1,676) |  |  |  |
Cash generated by operating activities |  |  |  | R$ 8,607 |  |  |  |
As presented [member] |  |  |  |  |  |  |  |
CASH FLOW FROM OPERATIONS |  |  |  |  |  |  |  |
Net income for the year from continuing operations |  | R$ 1,379 |  |  | 2,904 |  | 1,379 |
Net income for the year from discontinuing operations |  | 363 |  |  | 224 |  | 363 |
Adjustments to reconcile net income to net cash flows: |  |  |  |  |  |  |  |
Deferred income tax and social contribution tax |  |  |  |  | 111 | [2] | 16 | [3]
Loss on write-off of net residual value of unrecoverable concession financial assets, concessional contract asset, PP&E and Intangible assets | [4] |  |  |  | 130 |  |  |
Adjustment to expectation of contract asset and financial concession asset |  |  |  |  | (507) | [2] | (585) | [5]
Deffered PIS/Pasep and Cofins over contract revenues | [6] |  |  |  |  |  | 985 |
Others |  |  |  |  | 1,072 |  |  |
TOTAL |  |  |  |  | 3,934 |  | 2,158 |
Increase (decrease) in liabilities |  |  |  |  |  |  |  |
Concession contract and financial assets |  |  |  |  | 373 | [7] | 1,704 | [6]
Others |  |  |  |  | (67) |  | 1,450 |
TOTAL |  |  |  |  | 957 |  | (2,023) |
Increase (decrease) in liabilities |  |  |  |  | 957 |  | (2,023) |
Cash generated by operating activities |  |  |  |  | 5,197 |  | 3,289 |
Adjustment [member] |  |  |  |  |  |  |  |
CASH FLOW FROM OPERATIONS |  |  |  |  |  |  |  |
Net income for the year from continuing operations |  | 22 |  |  | 65 |  | 22 |
Net income for the year from discontinuing operations |  |  |  |  |  |  |  |
Adjustments to reconcile net income to net cash flows: |  |  |  |  |  |  |  |
Deferred income tax and social contribution tax |  |  |  |  | 34 | [2] | 11 | [3]
Loss on write-off of net residual value of unrecoverable concession financial assets, concessional contract asset, PP&E and Intangible assets | [4] |  |  |  | (5) |  |  |
Adjustment to expectation of contract asset and financial concession asset |  |  |  |  | (249) | [2] | (92) | [5]
Deffered PIS/Pasep and Cofins over contract revenues | [6] |  |  |  | 15 |  | 2 |
Others |  |  |  |  |  |  |  |
TOTAL |  |  |  |  | (138) |  | (57) |
Increase (decrease) in liabilities |  |  |  |  |  |  |  |
Concession contract and financial assets |  |  |  |  | 138 | [7] | 57 | [6]
Others |  |  |  |  |  |  |  |
TOTAL |  |  |  |  | 138 |  |  |
Increase (decrease) in liabilities |  |  |  |  | 138 |  |  |
Cash generated by operating activities |  |  |  |  | 136 |  | 57 |
Restated [member] |  |  |  |  |  |  |  |
CASH FLOW FROM OPERATIONS |  |  |  |  |  |  |  |
Net income for the year from continuing operations |  | 1,401 | [1] |  | 2,971 | [8] | 1,401 | [8]
Net income for the year from discontinuing operations |  | R$ 363 | [1] |  | 224 | [8] | 363 | [8]
Adjustments to reconcile net income to net cash flows: |  |  |  |  |  |  |  |
Deferred income tax and social contribution tax | [8] |  |  |  | 145 |  | 27 |
Loss on write-off of net residual value of unrecoverable concession financial assets, concessional contract asset, PP&E and Intangible assets | [8] |  |  |  | 125 |  | 61 |
Adjustment to expectation of contract asset and financial concession asset |  |  |  |  | (756) | [2] | (677) | [5]
Deffered PIS/Pasep and Cofins over contract revenues | [6] |  |  |  | 15 |  | 987 |
Others | [8] |  |  |  | (9) |  | (28) |
TOTAL | [8] |  |  |  | 444 |  | 3,211 |
Increase (decrease) in liabilities |  |  |  |  |  |  |  |
Concession contract and financial assets |  |  |  |  | 511 | [7] | 1,761 | [6]
Others | [8] |  |  |  | 4 |  | (165) |
TOTAL | [8] |  |  |  | (957) |  | 2,023 |
Increase (decrease) in liabilities | [8] |  |  |  | (957) |  | 2,023 |
Cash generated by operating activities | [8] |  |  |  | R$ 2,036 |  | R$ 1,008 |
[1] | See note 2.8.
[2] | Recognition of the profit margin associated to the performance obligation to construct and upgrade the transmission infrastructure, as well as the interest revenue resulting from the financing component and the result of the periodic tariff revision.
[3] | Deferral of income tax and social contribution tax over the adjustments.
[4] | Others immaterial adjustments referring to impairment losses and others expected losses.
[5] | Recognition of the profit margin associated to the performance obligation to construct and upgrade the transmission infrastructure, as well as the interest revenue resulting from the financing component in the contract asset and the result of the periodic tariff revision.
[6] | Effects of PIS/Pasep and Cofins over contract revenues, including the deferred taxes.
[7] | Adjustments in the amounts of the contract assets that were received, due to the reallocation of the consideration to performance obligation to construct and upgrade.
[8] | For further details of restatement of comparative balances, see Note 2.8

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