Derivative Financial Instruments (Details) - USD ($) $ in Millions	Oct. 28, 2018	Jan. 28, 2018
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Designated as cash flow hedges	$ 403	$ 104
Not designated for hedge accounting	$ 93	$ 94

Notional amount of FX forward contract, not designated for hedge accounting

No definition available.

Name:	nvda_NotionalamountofFXforwardcontractnotdesignatedforhedgeaccounting
Namespace Prefix:	nvda_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant