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Derivative Financial Instruments - Notional Values (Details) - USD ($) $ in Millions | Oct. 27, 2019 | Jan. 27, 2019
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Derivative Instruments and Hedging Activities Disclosure [Abstract] |  |
Designated as cash flow hedges | $ 421 | $ 408
Not designated for hedge accounting | $ 258 | $ 241

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- Definition Notional amount of FX forward contract, designated as cash flow hedges + References No definition available. + Details
Name: | nvda_NotionalamountofFXforwardcontractdesignatedascashflowhedges
Namespace Prefix: | nvda_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Notional amount of FX forward contract, not designated for hedge accounting + References No definition available. + Details
Name: | nvda_NotionalamountofFXforwardcontractnotdesignatedforhedgeaccounting
Namespace Prefix: | nvda_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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