Document and Entity Information Document - USD ($)	6 Months Ended
	Jul. 31, 2016	Aug. 19, 2016	Jul. 24, 2015
Document Information [Line Items]
Entity Registrant Name	NVIDIA CORP
Entity Central Index Key	0001045810
Current Fiscal Year End Date	--01-29
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Jul. 31, 2016
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	Q2
Amendment Flag	false
Entity Common Stock, Shares Outstanding		535,002,186
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Public Float			$ 9,918,351,568