Segment Information Revenue and Accounts Receivable by major customer (Details)	12 Months Ended
Jan. 25, 2015	Jan. 26, 2014	Jan. 27, 2013
Customer A (REV)
Revenue, Major Customer [Line Items]
Revenue from significant customers (in percent)	11.00%	11.00%	13.00%
Customer B (REV)
Revenue, Major Customer [Line Items]
Revenue from significant customers (in percent)	9.00%	10.00%	9.00%

Aggregate percentage of revenue generated from significant external customers that individually account for 10 percent or more of total revenues

No definition available.

Name:	nvda_RevenueFromSignificantCustomersInPercent
Namespace Prefix:	nvda_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration