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Cash and Cash Equivalents - Schedule of Cash and Cash Equivalents (Details) - BRL (R$) R$ in Millions	Dec. 31, 2023	Dec. 31, 2022
Cash and cash equivalents [abstract]
Bank accounts	R$ 195	R$ 95
Cash equivalents
Bank certificates of deposit (CDBs)	991	1,049
Overnight	351	294
Others		3
Short term investments	1,342	1,346
Cash and cash equivalents	R$ 1,537	R$ 1,441

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Others

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Overnight market classified as cash and cash equivalents.

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- Definition

The amount of cash balances held at banks.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents]

+ References

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A classification of cash equivalents representing short-term deposits. [Refer: Cash equivalents]

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