v3.25.1
Employees Benefits (Details) - BRL (R$)
R$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
FAF [Member]    
Composition of actuarial assets and liabilities    
Present value of actuarial liabilities R$ 3,181,366 R$ 3,348,786
Fair value of assets (3,734,685) (3,647,431)
(Surplus) Deficit (553,319) (298,645)
Irrecoverable surplus - (asset ceiling) 553,319 298,645
Net actuarial (assets) liabilities
Rollforward of irrecoverable surplus    
Beginning balance of irrecoverable surplus 298,645 482,263
Interest on irrecoverable surplus 28,491 47,021
Changes in irrecoverable surplus during the year 226,183 (230,639)
Ending balance of irrecoverable surplus 553,319 298,645
Rollforward of present value of actuarial liabilities    
Beginning balance of the present value of liabilities 3,348,786 3,121,348
Interest on actuarial obligations 308,002 293,231
Current service cost 19,226 18,153
Benefit paid (229,382) (233,865)
Actuarial losses - experience 35,984 81,782
Actuarial (gains) losses - economic hypotheses (301,250) 68,137
Actuarial (gains) losses - demographic hypothesis
Ending balance of actuarial liabilities 3,181,366 3,348,786
Rollforward of the fair value of the assets    
Beginning balance of the fair value of plan assets (3,647,431) (3,603,611)
Interest income on assets plan (336,492) (340,252)
Benefit paid 229,382 233,865
Return on assets higher (lower) than projection 19,856 62,567
Ending Balance of the fair value of the assets (3,734,685) (3,647,431)
Rollforward of comprehensive income    
Beginning balance of comprehensive income 18,153 23,190
Reversion to accumulated losses (18,153) (23,190)
Actuarial gains (losses) 265,266 (149,919)
Return on assets higher (lower) than projection (19,856) (62,567)
Changes on irrecoverable surplus (226,183) 230,639
Ending balance of comprehensive income 19,227 18,153
Current service costs (19,226) (18,153)
Interest on actuarial obligations (308,002) (293,231)
Projected return on assets 336,492 340,252
Interest on irrecoverable surplus (28,491) (47,021)
Costs recognized in statement of income (19,227) (18,153)
Estimated costs for the next year    
Costs of defined benefit (16,927) (19,226)
Estimated costs for the next year (16,927) (19,226)
Plan II [Member]    
Composition of actuarial assets and liabilities    
Present value of actuarial liabilities 20,547 21,789
Fair value of assets (21,712) (22,845)
(Surplus) Deficit (1,165) (1,056)
Irrecoverable surplus - (asset ceiling) 1,165 1,056
Net actuarial (assets) liabilities
Rollforward of irrecoverable surplus    
Beginning balance of irrecoverable surplus 1,056 1,923
Interest on irrecoverable surplus 99 187
Changes in irrecoverable surplus during the year 10 (1,054)
Ending balance of irrecoverable surplus 1,165 1,056
Rollforward of present value of actuarial liabilities    
Beginning balance of the present value of liabilities 21,789 20,822
Interest on actuarial obligations 1,963 1,935
Current service cost
Benefit paid (1,937) (1,947)
Actuarial losses - experience 377 460
Actuarial (gains) losses - economic hypotheses (1,645) 519
Actuarial (gains) losses - demographic hypothesis
Ending balance of actuarial liabilities 20,547 21,789
Rollforward of the fair value of the assets    
Beginning balance of the fair value of plan assets (22,845) (22,745)
Interest income on assets plan (2,062) (2,122)
Benefit paid 1,937 1,947
Return on assets higher (lower) than projection 1,258 75
Ending Balance of the fair value of the assets (21,712) (22,845)
Rollforward of comprehensive income    
Beginning balance of comprehensive income 3,385
Reversion to accumulated losses (3,385)
Actuarial gains (losses) 1,268 (979)
Return on assets higher (lower) than projection (1,258) (75)
Changes on irrecoverable surplus (10) 1,054
Ending balance of comprehensive income
Current service costs
Interest on actuarial obligations (1,963) (1,935)
Projected return on assets 2,062 2,122
Interest on irrecoverable surplus (99) (187)
Costs recognized in statement of income
Estimated costs for the next year    
Costs of defined benefit
Estimated costs for the next year