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Stock-based and Other Incentive Compensation - Compensation Expense (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |
Stock-based / Performance cash compensation expense (benefit) | $ 33 | $ 15 | $ (17)
Income tax (benefit) expense | (4) | (3) | 4
Stock-based / Performance cash compensation expense (benefit), net | 29 | 12 | (13)
Restricted stock units |  |  |
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |
Stock-based / Performance cash compensation expense (benefit) | 10 | 0 | 0
Performance share units |  |  |
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |
Stock-based / Performance cash compensation expense (benefit) | 7 | 0 | 0
Stock options |  |  |
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |
Stock-based / Performance cash compensation expense (benefit) | 4 | 0 | 0
Stock-settled stock appreciation rights |  |  |
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |
Stock-based / Performance cash compensation expense (benefit) | 2 | 0 | 0
Cash-settled awards |  |  |
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |
Stock-based / Performance cash compensation expense (benefit) | 10 | 15 | (17)
Performance Cash Awards |  |  |
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |
Stock-based / Performance cash compensation expense (benefit) | 21 | 16 | 16
Income tax (benefit) expense | (4) | (4) | (4)
Stock-based / Performance cash compensation expense (benefit), net | 17 | 12 | 12
Cost of revenue |  |  |
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |
Stock-based / Performance cash compensation expense (benefit) | 4 | 1 | (1)
Cost of revenue | Performance Cash Awards |  |  |
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |
Stock-based / Performance cash compensation expense (benefit) | 3 | 2 | 2
Selling, general and administrative expenses |  |  |
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |
Stock-based / Performance cash compensation expense (benefit) | 29 | 14 | (16)
Selling, general and administrative expenses | Performance Cash Awards |  |  |
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |
Stock-based / Performance cash compensation expense (benefit) | $ 18 | $ 14 | $ 14

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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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