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Leasee - Summary of Present Value Recognized in the Consolidated Balance Sheet is Presented - (Detail) - BRL (R$) R$ in Millions | Dec. 31, 2021 | Dec. 31, 2020
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Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Gross lease liabilities | R$ 326,862 | R$ 271,372
Current [member] |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Gross lease liabilities | 6,214 | 6,038
Current [member] | Not later than three months [member] |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Gross lease liabilities | 304 | 333
Current [member] | Later than three months and not later than one year [member] |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Gross lease liabilities | 842 | 945
Non-current [member] | Later than one year and not later than five years [member] |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Gross lease liabilities | 3,088 | 2,830
Non-current [member] | Later than five years [member] |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Gross lease liabilities | R$ 1,980 | R$ 1,930

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The amount of contractual undiscounted cash flows in relation to lease liabilities before deducting finance charges. [Refer: Lease liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2021-01-01 -Paragraph 58 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2021-en-r&anchor=para_58&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 7 -IssueDate 2021-01-01 -Paragraph B11D -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_B11D_a&doctype=Appendix&subtype=B -URIDate 2021-03-24 + Details
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