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The price per share of the conversion feature embedded in the debt instrument.

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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Net Income Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Jan. 25, 2015	Oct. 26, 2014	Jul. 27, 2014	Apr. 27, 2014	Jan. 26, 2014	Oct. 27, 2013	Jul. 28, 2013	Apr. 28, 2013	Jan. 25, 2015	Jan. 26, 2014	Jan. 27, 2013
Notes to financial statements [Abstract]
Debt Instrument, Convertible, Conversion Price	$ 20.16								$ 20.16
Warrant Strike Price									$ 27.14nvda_WarrantStrikePrice
Numerator:
Net income	$ 193,128us-gaap_NetIncomeLoss	$ 172,967us-gaap_NetIncomeLoss	$ 127,976us-gaap_NetIncomeLoss	$ 136,516us-gaap_NetIncomeLoss	$ 146,917us-gaap_NetIncomeLoss	$ 118,734us-gaap_NetIncomeLoss	$ 96,448us-gaap_NetIncomeLoss	$ 77,891us-gaap_NetIncomeLoss	$ 630,587us-gaap_NetIncomeLoss	$ 439,990us-gaap_NetIncomeLoss	$ 562,536us-gaap_NetIncomeLoss
Denominator:
Denominator for basic net income per share, weighted average shares (in shares)									552,319	587,893	619,324
Effect of dilutive securities:
Equity awards outstanding (in shares)									10,749	6,624	5,633
Denominator for diluted net income per share, weighted average shares (in shares)									563,068	594,517	624,957
Net income per share:
Basic net income per share	$ 0.35us-gaap_EarningsPerShareBasic	$ 0.32us-gaap_EarningsPerShareBasic	$ 0.23us-gaap_EarningsPerShareBasic	$ 0.24us-gaap_EarningsPerShareBasic	$ 0.26us-gaap_EarningsPerShareBasic	$ 0.20us-gaap_EarningsPerShareBasic	$ 0.16us-gaap_EarningsPerShareBasic	$ 0.13us-gaap_EarningsPerShareBasic	$ 1.14us-gaap_EarningsPerShareBasic	$ 0.75us-gaap_EarningsPerShareBasic	$ 0.91us-gaap_EarningsPerShareBasic
Diluted net income per share	$ 0.35us-gaap_EarningsPerShareDiluted	$ 0.31us-gaap_EarningsPerShareDiluted	$ 0.22us-gaap_EarningsPerShareDiluted	$ 0.24us-gaap_EarningsPerShareDiluted	$ 0.25us-gaap_EarningsPerShareDiluted	$ 0.20us-gaap_EarningsPerShareDiluted	$ 0.16us-gaap_EarningsPerShareDiluted	$ 0.13us-gaap_EarningsPerShareDiluted	$ 1.12us-gaap_EarningsPerShareDiluted	$ 0.74us-gaap_EarningsPerShareDiluted	$ 0.90us-gaap_EarningsPerShareDiluted
Anti-dilutive common equivalent shares from stock options and RSUs (in shares)									11,807	25,630	26,784