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Contingencies and Litigation (Details) - USD ($) $ in Millions			1 Months Ended
	Aug. 20, 2025	Feb. 03, 2020	Jun. 30, 2025	Dec. 31, 2024	Mar. 31, 2026
Surety Bond
Loss Contingencies [Line Items]
Maximum exposure, undiscounted					$ 578
Letters of Credit Issued to Secured Contractual Obligations
Loss Contingencies [Line Items]
Maximum exposure, undiscounted					$ 123
Skyview Capital LLC and Continuum Global Solutions, LLC v. Conduent Business Services, LLC \| Pending Litigation \| CBS
Loss Contingencies [Line Items]
Loss contingency, damages sought		$ 23
Skyview Capital LLC and Continuum Global Solutions, LLC v. Conduent Business Services, LLC \| Pending Litigation \| Skyview
Loss Contingencies [Line Items]
Loss contingency, damages sought	$ 24		$ 5
Litigation damages paid				$ 33