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Insurance Contracts and Private Pension - Summary of Claims Development (Detail) - BRL (R$) R$ in Millions | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Disclosure of Reinsurance Transactions [Line Items] |  |  |  |  |
(-) IBNER | R$ 373 | R$ 428 |  |  |
Claims development [member] |  |  |  |  |
Disclosure of Reinsurance Transactions [Line Items] |  |  |  |  |
Provision for unsettled claims (PSL) (*) | 591 |  |  |  |
(-) IBNER | 170 |  |  |  |
(-) Reinsurance | 35 |  |  |  |
Retrocession and other estimates | (25) |  |  |  |
Liability claims presented in the development table (a + b) | 411 |  |  |  |
Administratives claims [member] | Net Reinsurance [Member] |  |  |  |  |
Disclosure of Reinsurance Transactions [Line Items] |  |  |  |  |
At the end of reporting period | 992 | 934 | R$ 938 | R$ 1,009 | R$ 910
Accumulated payments through base date | 815 | 956 | 978 | 1,078 | 962
Accumulated payments through base date to current date | 4,789 |  |  |  |
Liabilities recognized in the balance sheet | 178 | 21 | 23 | 13 | 5
Accumulated liabilities recognized in the balance sheet | 240 |  |  |  |
Liabilities in relation to prior periods | 12 |  |  |  |
Total administratives claims | 252 |  |  |  |
Administratives claims [member] | Net Reinsurance [Member] | Up to one year [Member] |  |  |  |  |
Disclosure of Reinsurance Transactions [Line Items] |  |  |  |  |
At the end of reporting period |  | 977 | 981 | 1,054 | 935
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 |  |  | 1,001 | 1,082 | 958
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 |  |  |  | 1,091 | 964
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 |  |  |  |  | 967
Administratives claims [member] | Net Reinsurance [Member] | Over 5 years [Member] |  |  |  |  |
Disclosure of Reinsurance Transactions [Line Items] |  |  |  |  |
At the end of reporting period | 992 | 977 | 1,001 | 1,091 | 967
Judicial claims [member] | Net Reinsurance [Member] |  |  |  |  |
Disclosure of Reinsurance Transactions [Line Items] |  |  |  |  |
At the end of reporting period | 16 | 28 | 26 | 30 | 27
Accumulated payments through base date | 10 | 30 | 34 | 49 | 45
Accumulated payments through base date to current date | 168 |  |  |  |
Liabilities recognized in the balance sheet | 5 | 10 | 10 | 15 | 15
Accumulated liabilities recognized in the balance sheet | 55 |  |  |  |
Liabilities in relation to prior periods | 104 |  |  |  |
Total administratives claims | 159 |  |  |  |
Judicial claims [member] | Net Reinsurance [Member] | Up to one year [Member] |  |  |  |  |
Disclosure of Reinsurance Transactions [Line Items] |  |  |  |  |
At the end of reporting period |  | 40 | 35 | 41 | 37
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 | 52 | 46
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 |  |  |  | 64 | 54
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 |  |  |  |  | 60
Judicial claims [member] | Net Reinsurance [Member] | Over 5 years [Member] |  |  |  |  |
Disclosure of Reinsurance Transactions [Line Items] |  |  |  |  |
Current estimate | R$ 16 | R$ 40 | R$ 43 | R$ 64 | R$ 60

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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 -Name IFRS -Number 4 -IssueDate 2017-01-01 -Paragraph IG22 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=4&date=2017-03-01&anchor=para_IG22_c&doctype=Implementation%20Guidance -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 4 -IssueDate 2017-01-01 -Paragraph 37 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=4&date=2017-03-01&anchor=para_37_b&doctype=Standard -URIDate 2017-03-09 + Details
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