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Insurance Contracts and Private Pension - Summary of Deferred Acquisition Costs (Detail) - BRL (R$) R$ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Disclosure of reinsurance assets [Line Items] |  |
Beginning Balance | R$ 496 | R$ 495
Increase | 1,298 | 1,089
Amortization | (1,163) | (1,088)
Ending Balance | 631 | 496
Up to one year [member] |  |
Disclosure of reinsurance assets [Line Items] |  |
Beginning Balance | 380 |
Ending Balance | 464 | 380
Non-current [Member] |  |
Disclosure of reinsurance assets [Line Items] |  |
Beginning Balance | 116 |
Ending Balance | R$ 167 | R$ 116

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- Definition The amount of amortisation of deferred losses (gains) arising from the purchase of reinsurance. [Refer: Depreciation and amortisation expense; Gains (losses) recognised in profit or loss on buying reinsurance] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2023-01-01 -Name IFRS -Number 4 -IssueDate 2021-01-01 -Paragraph 37 -Subparagraph b -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=4&code=ifrs-tx-2021-en-b&anchor=para_37_b_ii&doctype=Standard&book=b -URIDate 2021-03-24 + Details
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- Definition The increase (decrease) in reinsurance assets. [Refer: Reinsurance assets] + 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 IG37 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=4&code=ifrs-tx-2021-en-b&anchor=para_IG37&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 e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=4&code=ifrs-tx-2021-en-b&anchor=para_37_e&doctype=Standard&book=b -URIDate 2021-03-24 + Details
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- Definition The amount of a cedant’s net contractual rights under a reinsurance contract. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2023-01-01 -Name IFRS -Number 4 -IssueDate 2021-01-01 -Paragraph 37 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=4&code=ifrs-tx-2021-en-b&anchor=para_37_e&doctype=Standard&book=b -URIDate 2021-03-24 + Details
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- Definition Disclosure of reinsurance assets. + References No definition available. + Details
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- Details
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- Details
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