Derivative Financial Instruments - Notional Values (Details) - USD ($) $ in Millions	Jul. 26, 2020	Jan. 26, 2020
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Designated as cash flow hedges	$ 575	$ 428
Not designated for hedge accounting	$ 373	$ 287

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