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v3.22.1

Schedule of defined benefit plans expense recognised in income statement (Details) - BRL (R$) R$ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
IfrsStatementLineItems [Line Items] |  |  |
Current service cost | R$ 27 | R$ 26 | R$ 18
Past service cost (1) | (415) |  |
Interest on the actuarial obligation | 1,159 | 1,147 | 1,213
Expected return on the assets of the Plan | 685 | (682) | (767)
Expense in 2019 according to actuarial calculation | (86) | 491 | 464
Current service cost | 18 |  | 17
Interest on the actuarial obligation |  |  | 1,214
Pension Plans And Retirement Supplement Plans [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Current service cost | 2 | 1 | 1
Past service cost (1) |  |  |
Interest on the actuarial obligation | 883 | 887 | 963
Expected return on the assets of the Plan | 685 | (682) | (767)
Expense in 2019 according to actuarial calculation | (200) | 206 | 197
Current service cost | 2 |  | 1
Interest on the actuarial obligation |  |  | 963
Health Plan [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Current service cost | 21 | 21 | 14
Past service cost (1) |  |  |
Interest on the actuarial obligation | 232 | 215 | 208
Expected return on the assets of the Plan |  |  |
Expense in 2019 according to actuarial calculation | (253) | 236 | 222
Current service cost | 16 |  | 14
Interest on the actuarial obligation |  |  | 208
Dental Plan [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Current service cost | 1 | 1 |
Past service cost (1) |  |  |
Interest on the actuarial obligation | 5 | 4 | 4
Expected return on the assets of the Plan |  |  |
Expense in 2019 according to actuarial calculation | (6) | 5 | 5
Current service cost |  |  |
Interest on the actuarial obligation |  |  | 5
life insurance [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Current service cost | 3 | 3 |
Past service cost (1) | (415) |  |
Interest on the actuarial obligation | 39 | 41 |
Expected return on the assets of the Plan |  |  |
Expense in 2019 according to actuarial calculation | 373 | R$ 44 | 40
Current service cost |  |  | 2
Interest on the actuarial obligation |  |  | R$ 38

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- Definition The increase (decrease) in the net defined benefit liability (asset) resulting from employee service in the current period. [Refer: Net defined benefit liability (asset)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2021-01-01 -Paragraph 141 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_141_a&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The increase (decrease) in the net defined benefit liability (asset) resulting from the passage of time. [Refer: Interest expense; Net defined benefit liability (asset)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2021-01-01 -Paragraph 141 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_141_b&doctype=Standard -URIDate 2021-03-24 + Details
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