Document and Entity Information Document - USD ($)	12 Months Ended
	Jan. 28, 2018	Feb. 26, 2018	Jul. 28, 2017
Document Information [Line Items]
Entity Registrant Name	NVIDIA CORP
Entity Central Index Key	0001045810
Current Fiscal Year End Date	--01-28
Entity Filer Category	Large Accelerated Filer
Document Type	10-K
Document Period End Date	Jan. 28, 2018
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	FY
Amendment Flag	false
Entity Common Stock, Shares Outstanding		604,636,210
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Public Float			$ 94,311,225,054