Derivative Financial Instruments (Details) - USD ($) $ in Millions	Jan. 27, 2019	Jan. 28, 2018
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Designated as cash flow hedges	$ 408	$ 104
Not designated for hedge accounting	$ 241	$ 94

Notional amount of FX forward contract, non-designated as hedge

No definition available.

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