Segment Information (Tables)

6 Months Ended

Jul. 28, 2013

Notes to financial statements [Abstract]

Financial Information by Operating Segment

	GPU		Tegra Processor			All Other			Consolidated
	(In thousands)
Three Months Ended July 28, 2013
Revenue	$	858,613	$	52,625		$	66,000		$	977,238
Depreciation and amortization expense	$	32,327	$	19,116		$	10,397		$	61,840
Operating income (loss)	$	270,228	$	(150,250	)	$	(14,444	)	$	105,534
Three Months Ended July 29, 2012
Revenue	$	798,624	$	179,646		$	66,000		$	1,044,270
Depreciation and amortization expense	$	31,397	$	14,400		$	10,398		$	56,195
Operating income (loss)	$	216,030	$	(45,328	)	$	(31,079	)	$	139,623
Six Months Ended July 28, 2013
Revenue	$	1,644,225	$	155,752		$	132,000		$	1,931,977
Depreciation and amortization expense	$	62,552	$	38,352		$	20,680		$	121,584
Operating income (loss)	$	494,874	$	(274,838	)	$	(31,721	)	$	188,315
Six Months Ended July 29, 2012
Revenue	$	1,524,989	$	312,158		$	132,000		$	1,969,147
Depreciation and amortization expense	$	62,458	$	27,118		$	21,110		$	110,686
Operating income (loss)	$	369,507	$	(107,864	)	$	(49,194	)	$	212,449

Reconciliation of Other Significant Reconciling Items from Segments to Consolidated [Table Text Block]

	Three Months Ended						Six Months Ended
	July 28, 2013			July 29, 2012			July 28, 2013			July 29, 2012
	(In thousands)
Reconciling items included in "All Other" category :
Revenue not allocated to reporting segments	$	66,000		$	66,000		132,000			132,000
Unallocated corporate operating expenses and other expenses	(36,795		)	(35,838		)	(77,814		)	(74,871	)
Stock-based compensation	(32,395		)	(32,255		)	(65,792		)	(67,824	)
Amortization of acquisition-related intangibles	(3,980		)	(4,065		)	(7,895		)	(8,407	)
Other acquisition-related costs	(4,984		)	(4,794		)	(9,930		)	(9,965	)
Other non-recurring expenses and benefits (1)	(2,290		)	(20,127		)	(2,290		)	(20,127	)
Total	$	(14,444	)	$	(31,079	)	$	(31,721	)	(49,194	)

(1) For the three and six months ended July 29, 2012, we recorded a non-recurring charge of $20.1 million. This charge represents the net present value of a $25.0 million charitable contribution pledged to Stanford Hospital and Clinics on June 12, 2012 and is payable over a ten year period.

Revenue from customers based in different geographic regions

	Three Months Ended				Six Months Ended
	July 28,		July 29,		July 28,		July 29,
	2013		2012		2013		2012
	(In thousands)
Revenue:
China	$	184,086	$	196,687	$	359,130	$	375,297
Taiwan	319,004		340,144		608,885		616,463
Other Asia Pacific	165,117		212,367		332,374		391,044
United States	163,796		154,814		349,774		300,756
Other Americas	76,531		81,260		141,538		157,082
Europe	68,704		58,998		140,276		128,505
Total revenue	$	977,238	$	1,044,270	$	1,931,977	$	1,969,147