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INTANGIBLE - Changes in intangible assets with determined useful life (Details) - BRL (R$)
R$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Intangible assets with determined useful life    
Beginning balance R$ 8,741,949 R$ 9,649,789
Additions 285,278 2,307
Amortization (973,516) (980,385)
Transfers and others (38,971) 70,238
Ending balance R$ 8,014,740 R$ 8,741,949