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v3.25.1

Nature of Operations and Basis of Presentation - Narrative (Details) $ in Millions |  |  | 3 Months Ended |
--- | --- | --- | --- | ---
Apr. 29, 2025 | Apr. 14, 2025 USD ($) | Mar. 31, 2025 USD ($) segment | Dec. 31, 2024 USD ($)
Business Acquisition [Line Items] |  |  |  |
Number of reportable segments | segment |  |  | 5 |
Restricted cash (less than $1 million) |  |  | $ 0 | $ 0
Contract asset |  |  | 75 | 69
Unearned revenue |  |  | 1,500 |
Capitalized contract costs |  |  | $ 296 | $ 291
Amortization period of capitalized contract cost |  |  | 5 years |
Forecast | Subsequent Event |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Total enterprise value |  | $ 3,100 |  |
Scenario, Plan | Subsequent Event | Minimum | Disposal Group, Disposed of by Means Other than Sale, Not Discontinued Operations, Spinoff |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Expected term of completion for spinoff transaction | 12 months |  |  |
Scenario, Plan | Subsequent Event | Maximum | Disposal Group, Disposed of by Means Other than Sale, Not Discontinued Operations, Spinoff |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Expected term of completion for spinoff transaction | 18 months |  |  |
OSTTRA | Forecast | Subsequent Event |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Pre-tax gain on sale |  | 220 |  |
Gain on sale after tax |  | $ 140 |  |
OSTTRA | Corporate Joint Venture |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Investment in joint venture percentage |  |  | 50.00% |
Noncontrolling interest ownership by noncontrolling owners percentage |  |  | 50.00% |
OSTTRA | Corporate Joint Venture | Subsequent Event |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Investment in joint venture percentage |  | 50.00% |  |
Noncontrolling interest ownership by noncontrolling owners percentage |  | 50.00% |  |

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