Document and Entity Information Document - shares shares in Millions	6 Months Ended
	Jul. 29, 2018	Aug. 10, 2018
Document and Entity Information [Abstract]
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	Jul. 29, 2018
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q2
Amendment Flag	false
Entity Common Stock, Shares Outstanding		608
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes