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Stock-based and Other Incentive Compensation - Compensation Expense (Details) - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |
Stock-based compensation expense (benefit) | $ 9 | $ (1)
Income tax benefit | (1) | 0
Stock-based compensation expense (benefit), net | 8 | (1)
Restricted stock units |  |
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |
Stock-based compensation expense (benefit) | 3 | 0
Performance share units |  |
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |
Stock-based compensation expense (benefit) | 3 | 0
Stock options |  |
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |
Stock-based compensation expense (benefit) | 1 | 0
Employee Stock |  |
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |
Stock-based compensation expense (benefit) | 1 | 0
Cash-settled awards |  |
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |
Stock-based compensation expense (benefit) | 1 | (1)
Cost of revenue |  |
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |
Stock-based compensation expense (benefit) | 1 | 0
Selling, general and administrative expenses |  |
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |
Stock-based compensation expense (benefit) | $ 8 | $ (1)

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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479830/718-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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