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Basis of Presentation (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Reclassification [Line Items]
Revenue	$ 491	$ 434
Cost of revenue	184	$ 209
Reclassification Adjustment | Reclassification, from Recurring Services to Consulting Services
Reclassification [Line Items]
Revenue	25
Cost of revenue	20
Reclassification Adjustment | Reclassification, from Recurring Services to Perpetual Software Hardware and Other
Reclassification [Line Items]
Revenue	9
Cost of revenue	$ 7

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The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

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