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

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-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

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