XML 95 R54.htm IDEA: XBRL DOCUMENT v3.25.3

Commitments and Contingencies (Details) - USD ($) $ in Millions	Jun. 30, 2025	Mar. 13, 2024	May 25, 2023	Apr. 20, 2021	Oct. 27, 2020	Sep. 30, 2025	Dec. 31, 2024	Mar. 31, 2019
Other Commitments [Line Items]
Accrued expenses and other current liabilities						$ 2,578	$ 2,610
Syntel Sterling Best Shores Mauritius Ltd.
Other Commitments [Line Items]
Litigation settlement, amount awarded from other party	$ 70			$ 570	$ 855
Punitive damages				285	$ 570
Actual damages				$ 285
Actual and punitive damages			$ 570
Syntel Sterling Best Shores Mauritius Ltd. | Attorney Fees
Other Commitments [Line Items]
Litigation settlement, amount awarded from other party		$ 15
India Defined Contribution Obligation
Other Commitments [Line Items]
Accrued expenses and other current liabilities								$ 117

X

- Definition

Litigation Settlement Amount Awarded From Other Party, Actual Damages

+ References

No definition available.

+ Details

Name:	ctsh_LitigationSettlementAmountAwardedFromOtherPartyActualDamages
Namespace Prefix:	ctsh_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Litigation Settlement Amount Awarded From Other Party, Punitive Damages

+ References

No definition available.

+ Details

Name:	ctsh_LitigationSettlementAmountAwardedFromOtherPartyPunitiveDamages
Namespace Prefix:	ctsh_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Litigation Settlement Amount Vacated, Actual and Punitive Damages

+ References

No definition available.

+ Details

Name:	ctsh_LitigationSettlementAmountVacatedActualAndPunitiveDamages
Namespace Prefix:	ctsh_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount of expenses incurred but not yet paid nor invoiced, and liabilities classified as other.

+ References

No definition available.

+ Details

Name:	us-gaap_AccruedLiabilitiesAndOtherLiabilities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount awarded from other party in judgment or settlement of litigation.

+ References

No definition available.

+ Details

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

X

- 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

Name:	us-gaap_OtherCommitmentsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	srt_LitigationCaseAxis=ctsh_SyntelSterlingBestShoresMauritiusLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_GainContingenciesByNatureAxis=ctsh_PositiveOutcomeOfLitigationAttorneyFeesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_OtherCommitmentsAxis=ctsh_IndiaDefinedContributionObligationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: