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Segment Information Schedule of Accounts Receivable by Major Customers (Details)
Jan. 25, 2015
Jan. 26, 2014
Accounts Receivable by Major Customers    
Accounts receivable from significant customers (in percent) 30.00%nvda_AccountsReceivableFromSignificantCustomersInPercent 23.00%nvda_AccountsReceivableFromSignificantCustomersInPercent
Customer B (AR)    
Accounts Receivable by Major Customers    
Accounts receivable from significant customers (in percent) 20.00%nvda_AccountsReceivableFromSignificantCustomersInPercent
/ us-gaap_MajorCustomersAxis
= nvda_CustomerArMember		 23.00%nvda_AccountsReceivableFromSignificantCustomersInPercent
/ us-gaap_MajorCustomersAxis
= nvda_CustomerArMember
Customer C (AR)    
Accounts Receivable by Major Customers    
Accounts receivable from significant customers (in percent) 10.00%nvda_AccountsReceivableFromSignificantCustomersInPercent
/ us-gaap_MajorCustomersAxis
= nvda_CustomerBArMember		 9.00%nvda_AccountsReceivableFromSignificantCustomersInPercent
/ us-gaap_MajorCustomersAxis
= nvda_CustomerBArMember