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Earnings per share (Details) R$ / shares in Units, R$ in Thousands	3 Months Ended
	Mar. 31, 2024 $ / shares	Mar. 31, 2024 BRL (R$) R$ / shares shares	Mar. 31, 2023 $ / shares	Mar. 31, 2023 BRL (R$) R$ / shares shares
Notes and other explanatory information [abstract]
Profit for the year | R$		R$ 823,295		R$ 747,212
Weighted average number of common shares issued | shares		683,509,869		683,509,869
Basic earnings per share (reais per share) | (per share)	$ 1.20	R$ 1.20451	$ 1.09	R$ 1.09320
Diluted earnings per share (reais per share) | (per share)	$ 1.20	R$ 1.20451	$ 1.09	R$ 1.09320

X

- Definition

The amount of profit (loss) attributable to ordinary equity holders of the parent entity (the numerator) divided by the weighted average number of ordinary shares outstanding during the period (the denominator).

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The total of income less expenses from continuing and discontinued operations, excluding the components of other comprehensive income. [Refer: Other comprehensive income]

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