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Discontinued Operations - Summary of Income (loss) from Discontinued Operations on Condensed Consolidated Statements of Comprehensive Income (loss) (Details) - Divested Business - Discontinued Operations, Disposed of by Sale - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Revenue | $ 3 | $ 33 | $ 40 | $ 539
Cost of services, exclusive of depreciation and amortization | 3 | 33 | 40 | 387
Depreciation and amortization | 0 | 0 | 0 | 3
Gross Profit | 0 | 0 | 0 | 149
Operating Expenses |  |  |  |
Selling, general and administrative | 0 | 0 | 0 | 89
Depreciation and intangible amortization | 0 | 0 | 0 | 8
Total Operating Expenses | 0 | 0 | 0 | 97
Income (loss) from Discontinued Operations | 0 | 0 | 0 | 52
Other (income) expense, net | 0 | 0 | 0 | 2
Income (Loss) from Discontinued Operations Before Income Taxes | 0 | 0 | 0 | 50
(Gain) Loss on sale of disposition, net of tax | 0 | (4) | 8 | (4)
Income tax expense (benefit) | 13 | 34 | 14 | 52
Net Income (Loss) from Discontinued Operations, Net of Tax | $ (13) | $ (30) | $ (22) | $ 2

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