Document and Entity Information Document (USD $)	6 Months Ended
	Jul. 27, 2014	Aug. 15, 2014	Jul. 28, 2013
Document Information [Line Items]
Entity Registrant Name	NVIDIA CORP
Entity Central Index Key	0001045810
Current Fiscal Year End Date	--01-25
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Jul. 27, 2014
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q2
Amendment Flag	false
Entity Common Stock, Shares Outstanding		541,915,105
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Public Float			$ 7,820,789,330