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23 Post-employment benefits (Details 11) R$ in Thousands | 12 Months Ended
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Dec. 31, 2019 BRL (R$)
Less Than 1 Year [Member] |
DisclosureOfBenefitsPayableLineItems [Line Items] |
Benefits payable | R$ 670,468
2021 [Member] |
DisclosureOfBenefitsPayableLineItems [Line Items] |
Benefits payable | 658,691
2022 [Member] |
DisclosureOfBenefitsPayableLineItems [Line Items] |
Benefits payable | 642,335
2023 [Member] |
DisclosureOfBenefitsPayableLineItems [Line Items] |
Benefits payable | 624,527
2024 [Member] |
DisclosureOfBenefitsPayableLineItems [Line Items] |
Benefits payable | 606,778
2025 - 2049 [Member] |
DisclosureOfBenefitsPayableLineItems [Line Items] |
Benefits payable | 7,119,437
Unified Plan [Member] | Less Than 1 Year [Member] |
DisclosureOfBenefitsPayableLineItems [Line Items] |
Benefits payable | 429,228
Unified Plan [Member] | 2021 [Member] |
DisclosureOfBenefitsPayableLineItems [Line Items] |
Benefits payable | 418,133
Unified Plan [Member] | 2022 [Member] |
DisclosureOfBenefitsPayableLineItems [Line Items] |
Benefits payable | 406,885
Unified Plan [Member] | 2023 [Member] |
DisclosureOfBenefitsPayableLineItems [Line Items] |
Benefits payable | 395,134
Unified Plan [Member] | 2024 [Member] |
DisclosureOfBenefitsPayableLineItems [Line Items] |
Benefits payable | 383,511
Unified Plan [Member] | 2025 - 2049 [Member] |
DisclosureOfBenefitsPayableLineItems [Line Items] |
Benefits payable | 4,016,371
Plan III [Member] | Less Than 1 Year [Member] |
DisclosureOfBenefitsPayableLineItems [Line Items] |
Benefits payable | 158,427
Plan III [Member] | 2021 [Member] |
DisclosureOfBenefitsPayableLineItems [Line Items] |
Benefits payable | 154,433
Plan III [Member] | 2022 [Member] |
DisclosureOfBenefitsPayableLineItems [Line Items] |
Benefits payable | 149,999
Plan III [Member] | 2023 [Member] |
DisclosureOfBenefitsPayableLineItems [Line Items] |
Benefits payable | 145,567
Plan III [Member] | 2024 [Member] |
DisclosureOfBenefitsPayableLineItems [Line Items] |
Benefits payable | 141,302
Plan III [Member] | 2025 - 2049 [Member] |
DisclosureOfBenefitsPayableLineItems [Line Items] |
Benefits payable | 2,011,843
Assistance Plan [Member] | Less Than 1 Year [Member] |
DisclosureOfBenefitsPayableLineItems [Line Items] |
Benefits payable | 82,813
Assistance Plan [Member] | 2021 [Member] |
DisclosureOfBenefitsPayableLineItems [Line Items] |
Benefits payable | 86,125
Assistance Plan [Member] | 2022 [Member] |
DisclosureOfBenefitsPayableLineItems [Line Items] |
Benefits payable | 85,451
Assistance Plan [Member] | 2023 [Member] |
DisclosureOfBenefitsPayableLineItems [Line Items] |
Benefits payable | 83,826
Assistance Plan [Member] | 2024 [Member] |
DisclosureOfBenefitsPayableLineItems [Line Items] |
Benefits payable | 81,965
Assistance Plan [Member] | 2025 - 2049 [Member] |
DisclosureOfBenefitsPayableLineItems [Line Items] |
Benefits payable | R$ 1,091,223

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