Loss Contingency, Increase To Damages Sought, Value

No definition available.

Name:	cndt_LossContingencyIncreaseToDamagesSoughtValue
Namespace Prefix:	cndt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

loss contingencies, settlement amount

+ References

No definition available.

+ Details

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Namespace Prefix:	cndt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount or range of possible amounts of gain that could be realized upon the resolution of a contingency.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 30
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6397426&loc=d3e17499-108355

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=121555522&loc=d3e12069-110248

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
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- Definition

Amount of damages paid to the plaintiff in the legal matter.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 9
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14557-108349

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14435-108349

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The value (monetary amount) of the award the plaintiff seeks in the legal matter.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The total number of new claims filed pertaining to a loss contingency during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14435-108349

+ Details

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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

The loss recognized on termination of a contract.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 912
-SubTopic 275
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=84167019&loc=d3e54681-109401

+ Details

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- Details

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- Details

Name:	us-gaap_GuaranteeObligationsByNatureAxis=cndt_ContractualAndCorporateObligationsGuaranteeMember
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- Details

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- Details

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- Details

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Contingencies and Litigation - Litigation Against the Company (Details) $ in Millions	1 Months Ended	6 Months Ended		9 Months Ended
	Feb. 28, 2019 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2018 USD ($) claim	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($)	Dec. 31, 2017 USD ($)
Surety Bond
Loss Contingencies [Line Items]
Maximum exposure, undiscounted					$ 601
Letters of Credit Issued to Secured Contractual Obligations
Loss Contingencies [Line Items]
Maximum exposure, undiscounted					$ 86
State Of Texas v. Xerox Corporation, Xerox State Healthcare, LLC, and ACS State Healthcare, LLC \| Settled Litigation
Loss Contingencies [Line Items]
Loss contingencies, settlement amount	$ 236
Loss contingency, damages paid		$ 118		$ 118
Conduent Business Services, LLC v. Cognizant Business Service, LLC \| Pending Litigation
Loss Contingencies [Line Items]
Loss contingency, damages sought		90	$ 47
Gain contingency, damages sought						$ 150
Number of counterclaims for breach of contract \| claim			2
Loss contingency, damages sought, termination fees			$ 25
Loss contingency, additional damages sought		43
Skyview Capital LLC and Continuum Global Solutions, LLC v. Conduent Business Services, LLC [Member] \| Pending Litigation
Loss Contingencies [Line Items]
Loss contingency, damages sought		$ 23