Document and Entity Information Document (USD $)	9 Months Ended
	Oct. 28, 2012	Nov. 16, 2012	Jul. 31, 2011
Document Information [Line Items]
Entity Registrant Name	NVIDIA CORP
Entity Central Index Key	0001045810
Current Fiscal Year End Date	--01-27
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Oct. 28, 2012
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q3
Amendment Flag	false
Entity Common Stock, Shares Outstanding		624,850,798
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Public Float			$ 7,980,000,000