Document and Entity Information Document (USD $)	12 Months Ended
	Jan. 25, 2015	Mar. 06, 2015	Jul. 27, 2014
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-K
Document Period End Date	Jan. 25, 2015
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	FY
Amendment Flag	false
Entity Common Stock, Shares Outstanding		549,840,211
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Public Float			$ 9,375,465,755