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

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