| Assets | — | — |
| Current assets | — | — |
| Cash and cash equivalents | 0.3a | 0.32a |
| Accounts receivable, net of allowance of $9 and $9 | 0.38a | 0.36a |
| Contract assets, net of allowance of $1 and $1 | 0.18a | 0.18a |
| Other current assets | 0.06a | 0.1a |
| Total current assets | 0.92a | 0.95a |
| Property, plant and equipment, net of accumulated depreciation of $772 and $737 | 0.63a | 0.56a |
| Goodwill | 0.63a | 0.62a |
| Intangible assets, net of accumulated amortization of $239 and $232 | 0.06a | 0.07a |
| Operating lease right-of-use assets | 0.19a | 0.15a |
| Deferred income taxes | 0.11a | 0.11a |
| Capitalized software, net of accumulated amortization of $427 and $382 | 0.13a | 0.14a |
| Other assets | 0.14a | 0.13a |
| Total assets | 2.8a | 2.74a |
| Liabilities and stockholders’ equity | — | — |
| Current liabilities | — | — |
| Current portion of long-term debt | 0.05a | 0a |
| Accounts payable | 0.18a | 0.17a |
| Accrued compensation and benefits | 0.25a | 0.28a |
| Operating lease liabilities - current | 0.04a | 0.04a |
| Contract liabilities | 0.16a | 0.16a |
| Other current liabilities | 0.05a | 0.06a |
| Total current liabilities | 0.74a | 0.71a |
| Long-term debt | 0.69a | 0.9a |
| Pension and postretirement benefit plans | 0.2a | 0.23a |
| Operating lease liabilities | 0.16a | 0.12a |
| Other liabilities | 0.09a | 0.09a |
| Total liabilities | 1.87a | 2.06a |
| Stockholders’ equity | — | — |
| Class A common stock, $0.001 per share, 62 million and 200 million shares issued and outstanding at December 31, 2024 and 2023, respectively | 0a | 0a |
| Class B common stock, $0.001 per share, 138 million and 0 shares issued and outstanding at December 31, 2024 and 2023, respectively | 0a | 0a |
| Additional paid-in capital | 0.82a | 0.78a |
| Retained earnings | 0.25a | 0.02a |
| Accumulated other comprehensive loss | -0.17a | -0.15a |
| Total stockholders’ equity before non-controlling interests | 0.9a | 0.65a |
| Non-controlling interests | 0.03a | 0.02a |
| Total stockholders’ equity | 0.93a | 0.68a |
| Total liabilities and stockholders’ equity | 2.8a | 2.74a |