Document and Entity Information - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Jan. 27, 2019	Feb. 15, 2019	Jul. 27, 2018
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, 2019
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	FY
Amendment Flag	false
Entity Common Stock, Shares Outstanding		606
Entity Emerging Growth Company	false
Entity Small Business	false
Entity Shell Company	false
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Public Float			$ 146,660