Document and Entity Information Document - USD ($)	6 Months Ended
	Jul. 26, 2015	Aug. 14, 2015	Jul. 27, 2014
Document Information [Line Items]
Entity Registrant Name	NVIDIA CORP
Entity Central Index Key	0001045810
Current Fiscal Year End Date	--01-31
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Jul. 26, 2015
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	Q2
Amendment Flag	false
Entity Common Stock, Shares Outstanding		539,081,160
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Public Float			$ 9,375,465,755