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Insurance Contracts and Private Pension - Summary of Claims Development (Detail) - BRL (R$) R$ in Millions | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Disclosure of Reinsurance Transactions [Line Items] |  |  |  |  |
(-) IBNER | R$ 361 | R$ 316 |  |  |
Claims development [member] |  |  |  |  |
Disclosure of Reinsurance Transactions [Line Items] |  |  |  |  |
Provision for unsettled claims (PSL) | 585 |  |  |  |
(-) IBNER | 214 |  |  |  |
(-) Reinsurance | 19 |  |  |  |
Retrocession and other estimates | 0 |  |  |  |
Liability claims presented in the development table (a + b) | 352 |  |  |  |
Administratives claims [member] | Net Reinsurance [Member] |  |  |  |  |
Disclosure of Reinsurance Transactions [Line Items] |  |  |  |  |
At the end of reporting period | 1,401 | 1,231 | R$ 1,121 | R$ 954 | R$ 934
Accumulated payments through base date | 1,300 | 1,226 | 1,123 | 999 | 958
Accumulated payments through base date to current date | 5,606 |  |  |  |
Liabilities recognized in the balance sheet | 101 | 11 | 10 | 13 | 11
Accumulated liabilities recognized in the balance sheet | 146 |  |  |  |
Liabilities in relation to prior periods | 54 |  |  |  |
Total administratives claims | 200 |  |  |  |
Administratives claims [member] | Net Reinsurance [Member] | Up to one year [member] |  |  |  |  |
Disclosure of Reinsurance Transactions [Line Items] |  |  |  |  |
At the end of reporting period |  | 1,237 | 1,133 | 1,012 | 977
Administratives claims [member] | Net Reinsurance [Member] | Later than one year and not later than two years [member] |  |  |  |  |
Disclosure of Reinsurance Transactions [Line Items] |  |  |  |  |
At the end of reporting period |  |  | 1,133 | 1,015 | 975
Administratives claims [member] | Net Reinsurance [Member] | Later than two years and not later than three years [member] |  |  |  |  |
Disclosure of Reinsurance Transactions [Line Items] |  |  |  |  |
At the end of reporting period |  |  |  | 1,012 | 973
Administratives claims [member] | Net Reinsurance [Member] | Later than four years and not later than five years [member] |  |  |  |  |
Disclosure of Reinsurance Transactions [Line Items] |  |  |  |  |
At the end of reporting period |  |  |  |  | 969
Administratives claims [member] | Net Reinsurance [Member] | Over 5 years [member] |  |  |  |  |
Disclosure of Reinsurance Transactions [Line Items] |  |  |  |  |
At the end of reporting period | 1,401 | 1,237 | 1,133 | 1,012 | 969
Judicial claims [member] | Net Reinsurance [Member] |  |  |  |  |
Disclosure of Reinsurance Transactions [Line Items] |  |  |  |  |
At the end of reporting period | 12 | 12 | 20 | 16 | 28
Accumulated payments through base date | 4 | 10 | 30 | 43 | 55
Accumulated payments through base date to current date | 142 |  |  |  |
Liabilities recognized in the balance sheet | 8 | 13 | 13 | 11 | 9
Accumulated liabilities recognized in the balance sheet | 54 |  |  |  |
Liabilities in relation to prior periods | 98 |  |  |  |
Total administratives claims | 152 |  |  |  |
Judicial claims [member] | Net Reinsurance [Member] | Up to one year [member] |  |  |  |  |
Disclosure of Reinsurance Transactions [Line Items] |  |  |  |  |
At the end of reporting period |  | 23 | 36 | 33 | 40
Judicial claims [member] | Net Reinsurance [Member] | Later than one year and not later than two years [member] |  |  |  |  |
Disclosure of Reinsurance Transactions [Line Items] |  |  |  |  |
At the end of reporting period |  |  | 43 | 47 | 51
Judicial claims [member] | Net Reinsurance [Member] | Later than two years and not later than three years [member] |  |  |  |  |
Disclosure of Reinsurance Transactions [Line Items] |  |  |  |  |
At the end of reporting period |  |  |  | 54 | 60
Judicial claims [member] | Net Reinsurance [Member] | Later than four years and not later than five years [member] |  |  |  |  |
Disclosure of Reinsurance Transactions [Line Items] |  |  |  |  |
At the end of reporting period |  |  |  |  | 64
Judicial claims [member] | Net Reinsurance [Member] | Over 5 years [member] |  |  |  |  |
Disclosure of Reinsurance Transactions [Line Items] |  |  |  |  |
Current estimate | R$ 12 | R$ 23 | R$ 43 | R$ 54 | R$ 64

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- Definition The amount of liability for insured events that have occurred but for which claims have yet not been reported by policyholders. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Note Expiry date 2023-01-01 -Name IFRS -Number 4 -IssueDate 2021-01-01 -Paragraph IG22 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=4&code=ifrs-tx-2021-en-b&anchor=para_IG22_c&doctype=Implementation%20Guidance&book=b -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Note Expiry date 2023-01-01 -Name IFRS -Number 4 -IssueDate 2021-01-01 -Paragraph 37 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=4&code=ifrs-tx-2021-en-b&anchor=para_37_b&doctype=Standard&book=b -URIDate 2021-03-24 + Details
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