The adjustment to the basis (reference rate) used for calculation of the interest rate on borrowings. [Refer: Borrowings]

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

The interest rate on borrowings. [Refer: Borrowings]

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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.

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- Definition

The amount of notes and debentures issued by the entity.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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The nominal or face amount of a financial instrument, used to calculate payments made on that instrument.

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- Definition

The cash inflow from borrowings obtained. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
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Financing instruments payable - Debt securities, additional information (Details) R$ in Thousands, $ in Millions			12 Months Ended
	Jul. 01, 2021 BRL (R$)	Jul. 01, 2021 USD ($)	Dec. 31, 2025 BRL (R$)	Dec. 31, 2024 BRL (R$)	Dec. 31, 2023 BRL (R$)	Jul. 02, 2024 USD ($)	Jul. 19, 2022 BRL (R$)
Disclosure of detailed information about borrowings [line items]
Notional amount			R$ 46,671,688	R$ 96,419,266	R$ 20,967,990
Proceeds from borrowings			2,626,479	0	R$ 2,252,550
Notes and debentures issued			R$ 0	R$ 1,251,256
Senior Unsecured Notes Due on July 1, 2026
Disclosure of detailed information about borrowings [line items]
Notional amount \| $		$ 750				$ 500
Proceeds from borrowings	R$ 3,697,000	$ 739
Interest rate		3.25%				6.75%
Non-Convertible Debentures \| XP Investimentos S.A. [Member]
Disclosure of detailed information about borrowings [line items]
Notes and debentures issued							R$ 1,800,000
Non-Convertible Debentures \| XP Investimentos S.A. [Member] \| Series 1 [Member]
Disclosure of detailed information about borrowings [line items]
Notes and debentures issued							900,000
Non-Convertible Debentures \| XP Investimentos S.A. [Member] \| Series 1 [Member] \| CDI Rate
Disclosure of detailed information about borrowings [line items]
Interest rate, adjustment to basis			1.75%
Non-Convertible Debentures \| XP Investimentos S.A. [Member] \| Series 2 [Member]
Disclosure of detailed information about borrowings [line items]
Notes and debentures issued							R$ 900,000
Non-Convertible Debentures \| XP Investimentos S.A. [Member] \| Series 2 [Member] \| CDI Rate
Disclosure of detailed information about borrowings [line items]
Interest rate, adjustment to basis			1.90%
Outstanding senior unsecured notes
Disclosure of detailed information about borrowings [line items]
Notional amount \| $						$ 287
Interest rate						3.25%