Stock-Based Compensation - Schedule of Stock-Based Compensation Expense (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Stock-Based Compensation
Stock-based compensation expense before income taxes	$ 41	$ 35	$ (7)
Income tax benefit (provision)	10	8	(2)
Total stock-based compensation, net of tax	31	27	(5)
Cost of services
Stock-Based Compensation
Stock-based compensation expense before income taxes	2	2	(1)
Selling, general and administrative
Stock-Based Compensation
Stock-based compensation expense before income taxes	37	30	(4)
Research and development
Stock-Based Compensation
Stock-based compensation expense before income taxes	$ 2	$ 3	$ (1)

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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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