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DEBT (Details) - Revolving Credit Facility - Line of Credit | Oct. 21, 2021 USD ($) | Mar. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Oct. 21, 2021 GBP (£)
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Debt Instrument [Line Items] |  |  |  |
Maximum borrowing capacity | $ 700,000,000 | $ 700,000,000 | $ 700,000,000 | £ 150,000,000
Additional potential borrowing capacity | $ 1,000,000,000 |  |  |
Fed Funds Effective Rate Overnight Index Swap Rate |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Variable interest rate spread | 0.50% |  |  |
Daily LIBOR Rate |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Variable interest rate spread | 1.00% |  |  |

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- Definition Line Of Credit Facility, Accordion Feature + References No definition available. + Details
Name: | epam_LineOfCreditFacilityAccordionFeature
Namespace Prefix: | epam_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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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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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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Balance Type: | credit
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- Details
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- Details
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- Details
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- Details
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