v3.22.2.2
Income tax and social contribution (Details) - Schedule of estimates the recovery of the deferred tax assets
R$ in Millions
Sep. 30, 2022
BRL (R$)
Income tax and social contribution (Details) - Schedule of estimates the recovery of the deferred tax assets [Line Items]  
Recovery of deferred tax assets R$ 418
Up to 1 year [Member]  
Income tax and social contribution (Details) - Schedule of estimates the recovery of the deferred tax assets [Line Items]  
Recovery of deferred tax assets 74
From 1 year to 2 years [Member]  
Income tax and social contribution (Details) - Schedule of estimates the recovery of the deferred tax assets [Line Items]  
Recovery of deferred tax assets 202
From 4 years to 5 years [Member]  
Income tax and social contribution (Details) - Schedule of estimates the recovery of the deferred tax assets [Line Items]  
Recovery of deferred tax assets 5
More than 5 years [Member]  
Income tax and social contribution (Details) - Schedule of estimates the recovery of the deferred tax assets [Line Items]  
Recovery of deferred tax assets R$ 137