| Assets | — | — |
| Current | — | — |
| Cash and cash equivalents | 1,682.61a | 838.48a |
| Financial investments | 3,699.69a | 2,426.75a |
| Trade receivables | 3,894.56a | 3,584.29a |
| Accounts receivable from related parties | 319.55a | 261.28a |
| Inventories | 10.82a | 86.01a |
| Restricted cash | 37.72a | 54.94a |
| Taxes recoverable | 800.81a | 494.65a |
| Derivative financial instruments | 67.44a | 0a |
| Other assets | 95.67a | 37.05a |
| Total current assets | 10,608.86a | 7,783.45a |
| Noncurrent | — | — |
| Financial investments | 769.06a | 0a |
| Trade receivables | 327.8a | 272.44a |
| Accounts receivable from related parties | 908.88a | 935.27a |
| Escrow deposits | 139.22a | 130.98a |
| Deferred income tax and social contribution | 0a | 98.08a |
| Water and basic sanitation national agency - ANA | 1.99a | 2.67a |
| Other assets | 135.23a | 159.02a |
| Investments | 215.8a | 161.86a |
| Investment properties | 46.63a | 46.68a |
| Contract asset | 4,877.67a | 7,393.1a |
| Financial asset (indemnity) | 17,601.63a | 0a |
| Intangible assets | 44,771.12a | 44,012.86a |
| Property, plant, and equipment | 561.55a | 474.56a |
| Total noncurrent assets | 70,356.57a | 53,687.51a |
| Total assets | 80,965.43a | 61,470.96a |
| Liabilities and equity | — | — |
| Current | — | — |
| Trade payables and contractors | 766.61a | 456.22a |
| Borrowings and financing | 3,133.85a | 2,616.41a |
| Labor and social obligations | 1,286.19a | 807.44a |
| Taxes and contributions payable | 591.27a | 511.97a |
| Dividends and interest on capital payable | 2,275.89a | 837.39a |
| Provisions | 1,546.19a | 1,064.37a |
| Services payable | 1,438.51a | 750.73a |
| Public-private partnership - PPP | 452.32a | 487.93a |
| Program contract commitments | 0a | 21.97a |
| Performance agreements | 287.11a | 634.5a |
| Other liabilities | 194.31a | 218.92a |
| Total current liabilities | 11,972.25a | 8,407.84a |
| Noncurrent | — | — |
| Borrowings and financing | 22,124.45a | 16,919.94a |
| Deferred income tax and social contribution | 2,661.89a | 0a |
| Deferred PIS/Cofins | 1,117.8a | 164.1a |
| Provisions | 895.5a | 762.07a |
| Pension plan obligations | 1,931.15a | 2,142.87a |
| Public-private partnership - PPP | 2,853.9a | 2,798.69a |
| Program contract commitments | 0a | 12.05a |
| Performance agreements | 137.44a | 168.3a |
| Other liabilities | 343.01a | 237.73a |
| Total noncurrent liabilities | 32,065.13a | 23,205.74a |
| Total liabilities | 44,037.38a | 31,613.58a |
| Equity | — | — |
| Capital stock | 15,000a | 15,000a |
| Earnings reserves | 21,647.72a | 14,711.01a |
| Other comprehensive income | 280.34a | 146.36a |
| Total equity | 36,928.05a | 29,857.38a |
| Total equity and liabilities | 80,965.43a | 61,470.96a |