XML 75 R34.htm IDEA: XBRL DOCUMENT
v3.26.1

Interim Consolidated Financial Statements (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2026 | Jun. 30, 2025 | Mar. 31, 2025 | Jun. 30, 2026 | Jun. 30, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |  |  |  |
Proceeds from sale of property and equipment |  |  | $ 70 | $ 0 | $ 70
Gain on sale of property and equipment | $ 0 | $ 0 | $ 62 | $ 0 | $ 62
Consideration on accelerated share repurchases | $ 500 |  |  |  |
Number of shares repurchased (in shares) | 9.7 |  |  |  |
Average repurchase price (in usd per share) | $ 51.54 |  |  |  |

X
- Definition Accelerated Share Repurchases, Average Price Paid Per Share + References No definition available. + Details
Name: | ctsh_AcceleratedShareRepurchasesAveragePricePaidPerShare
Namespace Prefix: | ctsh_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Accelerated Share Repurchases, Consideration + References No definition available. + Details
Name: | ctsh_AcceleratedShareRepurchasesConsideration
Namespace Prefix: | ctsh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Accelerated Share Repurchases, Number Of Shares Repurchased + References No definition available. + Details
Name: | ctsh_AcceleratedShareRepurchasesNumberOfSharesRepurchased
Namespace Prefix: | ctsh_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
Name: | us-gaap_GainLossOnSaleOfPropertyPlantEquipment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 12 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-12 + Details
Name: | us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration