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Trade Receivables and Reseller Financing - Summary of Movements in the Allowance for Loss Allowance for Expected Credit Losses (Detail) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Disclosure of financial assets [line items] |  |
Beginning balance | R$ 197,011 |
Ending balance | 185,278 | R$ 197,011
Trade receivables [member] |  |
Disclosure of financial assets [line items] |  |
Beginning balance | 382,096 | 404,886
Additions | 177,872 | 194,220
Reversals | (150,160) | (203,994)
Write-offs | (18,646) | (13,016)
Reclassification to assets held for sale | (16,807) |
Ending balance | 374,355 | 382,096
Reseller Financing - Ipiranga [member] |  |
Disclosure of financial assets [line items] |  |
Beginning balance | 197,011 | 156,006
Additions | 65,536 | 74,745
Reversals | (68,982) | (29,791)
Write-offs | (8,287) | (3,949)
Ending balance | R$ 185,278 | R$ 197,011

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- Definition The amount of additional allowance for credit losses of financial assets recognised in profit or loss. [Refer: Allowance account for credit losses of financial assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Note Expiry date 2023-01-01 -Name IFRS -Number 7 -IssueDate 2021-01-01 -Paragraph 16 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_16&doctype=Standard&book=b -URIDate 2021-03-24 + Details
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- Definition The amount of an allowance account used to record impairments to financial assets due to credit losses. [Refer: Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2023-01-01 -Name IFRS -Number 7 -IssueDate 2021-01-01 -Paragraph 16 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_16&doctype=Standard&book=b -URIDate 2021-03-24 + Details
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- Definition The amount of impairment loss on financial assets. [Refer: Financial assets; Impairment loss] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2023-01-01 -Name IFRS -Number 7 -IssueDate 2021-01-01 -Paragraph 20 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_20_e&doctype=Standard&book=b -URIDate 2021-03-24 + Details
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- Definition The decrease in an allowance account for credit losses of financial assets resulting from the reversal of impairment. [Refer: Allowance account for credit losses of financial assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Note Expiry date 2023-01-01 -Name IFRS -Number 7 -IssueDate 2021-01-01 -Paragraph 16 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_16&doctype=Standard&book=b -URIDate 2021-03-24 + Details
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- Definition The decrease in an allowance account for credit losses of financial assets resulting from classification as held for sale or inclusion in a disposal group classified as held for sale. + References No definition available. + Details
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- Details
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- Details
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