Intangibles (Policies) |
12 Months Ended |
|---|---|
Dec. 31, 2025 | |
| Notes and other explanatory information [abstract] | |
| Intangibles | Intangibles are carried at acquisition cost, net of accumulated amortization and impairment charges. The estimated useful lives are as follows: Useful lifeRailway concessions5 to 33 yearsPatents7 yearsSoftware5 years
|