Segment Information (Tables)

12 Months Ended

Jan. 27, 2013

Notes to financial statements [Abstract]

Schedule of Segment Reporting Information, by Segment [Table Text Block]

	GPU		Tegra Processor			All Other			Consolidated
	(In thousands)
Year Ended January 27, 2013:
Revenue	$	3,251,712	$	764,447		$	264,000		$	4,280,159
Depreciation and amortization expense	$	127,698	$	56,105		$	42,432		$	226,235
Operating income (loss)	$	884,767	$	(157,923	)	$	(78,605	)	$	648,239
Year Ended January 29, 2012:
Revenue	$	3,186,764	$	591,166		$	220,000		$	3,997,930
Depreciation and amortization expense	$	122,417	$	42,365		$	39,423		$	204,205
Operating income (loss)	$	821,640	$	(60,417	)	$	(112,924	)	$	648,299
Year Ended January 30, 2011:
Revenue	$	3,345,696	$	197,613		$	—		$	3,543,309
Depreciation and amortization expense	$	152,094	$	19,081		$	15,814		$	186,989
Operating income (loss)	$	680,761	$	(49,238	)	$	(375,776	)	$	255,747

Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block]

	Year Ended
	January 27, 2013			January 29, 2012			January 30, 2011
	(In thousands)
Reconciling items included in "All Other" category :
Revenue not allocated to reporting segments	$	264,000		$	220,000		$	—
Unallocated corporate operating expenses and other expenses	(149,678		)	(151,798		)	(129,341		)
Stock-based compensation	(136,662		)	(136,354		)	(100,353		)
Amortization of acquisition-related intangibles	(17,134		)	(17,190		)	(9,182		)
Other acquisition-related costs	(19,004		)	(20,282		)	—
Net warranty charge related to a weak die/packaging material set	—			—			(193,900		)
Other non-recurring expenses and benefits	(20,127		)	(7,300		)	57,000
Total	$	(78,605	)	$	(112,924	)	$	(375,776	)

Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]

	Year Ended
	January 27, 2013		January 29, 2012		January 30, 2011
Revenue:	(In thousands)
China	$	780,493	$	941,811	$	1,223,199
Taiwan	1,356,838		1,137,175		936,797
Other Asia Pacific	783,573		730,975		519,473
Europe	263,488		296,591		261,421
United States	799,430		596,264		297,265
Other Americas	296,337		295,114		305,154
Total revenue	$	4,280,159	$	3,997,930	$	3,543,309

The following table presents summarized information for long-lived assets by geographic region. Long lived assets consist of property and equipment and deposits and other assets and exclude goodwill and intangible assets.

	January 27, 2013		January 29, 2012
Long-lived assets:	(In thousands)
United States	$	542,669	$	563,699
Taiwan	45,868		40,199
China	34,644		27,360
India	31,312		30,598
Europe	28,190		17,737
Other Asia Pacific	941		811
Total long-lived assets	$	683,624	$	680,404

Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block]

	Year Ended
	January 27, 2013		January 29, 2012		January 30, 2011
Revenue:
Customer A	13	%	11	%	—
Customer B	—		—		12	%

Schedule Of Accounts Receivable, Major Customers

	January 27, 2013		January 29, 2012
Accounts Receivable:
Customer A	20	%	20	%
Customer B	10	%	—
Customer C	10	%	—