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Revenue (Details) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Notes and other explanatory information [abstract] |  |  |
Tuition fees | R$ 3,505,250 | R$ 2,827,567 | R$ 2,124,589
Other | 263,937 | 213,040 | 167,441
Deductions |  |  |
Discount and scholarships | (240,314) | (241,404) | (229,254)
Early payment discounts | (195,054) | (92,234) | (49,879)
Returns | (27,743) | (45,402) | (42,373)
Taxes | (142,825) | (107,004) | (74,232)
PROUNI | (287,338) | (225,506) | (176,921)
Revenue from contracts with customers | 2,875,913 | 2,329,057 | 1,719,371
Tuition, digital content and app subscription fees - Transferred over time | 2,821,251 | 2,273,578 | 1,640,889
Other - Transferred at a point in time | R$ 54,662 | R$ 55,479 | R$ 78,482

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