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Post-employment Benefits - Summary of Post-employment Benefits (Detail) - BRL (R$) R$ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Health Plan
Post-employment benefits	R$ 669,475	R$ 728,734
Futura II [member] | Defined contribution [member]
Health Plan
Post-employment benefits	190	186
Futura [member] | Defined benefit [member]
Health Plan
Post-employment benefits	198,761	163,972
Health plan [member] | Health Plan
Health Plan
Post-employment benefits	R$ 470,524	R$ 564,576

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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.

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No definition available.

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The amount of post-employment benefit expense included in profit or loss relating to defined benefit plans. [Refer: Profit (loss); Defined benefit plans [member]] [Contrast: Increase (decrease) in net defined benefit liability (asset) resulting from expense (income) in profit or loss]

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