Document and Entity Information Document (USD $)	12 Months Ended
	Jan. 27, 2013	Mar. 08, 2013	Jul. 29, 2012
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-K
Document Period End Date	Jan. 27, 2013
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	FY
Amendment Flag	false
Entity Common Stock, Shares Outstanding		615,980,172
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Public Float			$ 7,980,000,000