Risk and Capital Management - Schedule of Financial Assets at Amortized Cost and at Fair Value (Details) - Financial Assets at Amortised Cost and at Fair Value Through Other Comprehensive Income - BRL (R$) R$ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Disclosure of financial assets [line items] | ||
| Financial Assets | R$ 1,547,631 | R$ 1,464,464 |
| Expected credit loss | (51,313) | (52,936) |
| Pessimistic scenario | ||
| Disclosure of financial assets [line items] | ||
| Reduction/(Increase) of expected loss | (521) | (2,183) |
| Base scenario | ||
| Disclosure of financial assets [line items] | ||
| Reduction/(Increase) of expected loss | 206 | 538 |
| Optimistic scenario | ||
| Disclosure of financial assets [line items] | ||
| Reduction/(Increase) of expected loss | R$ 637 | R$ 1,347 |