Segment Information (Tables)

12 Months Ended

Jan. 25, 2015

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 25, 2015:
Revenue	$	3,838,906	$	578,601		$	264,000		$	4,681,507
Depreciation and amortization expense	$	116,683	$	57,282		$	46,160		$	220,125
Operating income (loss)	$	1,113,350	$	(254,435	)	$	(99,926	)	$	758,989
Year Ended January 26, 2014:
Revenue	$	3,468,144	$	398,018		$	264,000		$	4,130,162
Depreciation and amortization expense	$	146,571	$	49,839		$	42,738		$	239,148
Operating income (loss)	$	834,763	$	(268,068	)	$	(70,468	)	$	496,227
Year Ended January 27, 2013:
Revenue	$	3,251,712	$	764,447		$	264,000		$	4,280,159
Depreciation and amortization expense	$	143,262	$	40,793		$	42,180		$	226,235
Operating income (loss)	$	694,338	$	40,508		$	(86,607	)	$	648,239

	Year Ended
	January 25, 2015			January 26, 2014			January 27, 2013
	(In thousands)
Reconciling items included in "All Other" category:
Revenue not allocated to reporting segments	$	264,000		$	264,000		$	264,000
Unallocated corporate operating expenses and other expenses	(168,730		)	(166,483		)	(157,680		)
Stock-based compensation	(157,841		)	(136,295		)	(136,662		)
Acquisition-related costs, net	(37,355		)	(31,652		)	(36,138		)
Other non-recurring expenses and benefits	—			(38		)	(20,127		)
Total	$	(99,926	)	$	(70,468	)	$	(86,607	)

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

	Year Ended
	January 25, 2015		January 26, 2014		January 27, 2013
Revenue:	(In thousands)
Taiwan	$	1,594,435	$	1,321,503	$	1,356,838
China	922,121		793,790		780,493
United States	790,614		726,830		799,430
Other Asia Pacific	637,029		675,339		783,573
Europe	368,921		295,160		263,488
Other Americas	368,387		317,540		296,337
Total revenue	$	4,681,507	$	4,130,162	$	4,280,159

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 25, 2015		January 26, 2014
Long-lived assets:	(In thousands)
United States	$	467,277	$	522,461
Taiwan	52,176		51,993
Europe	51,521		50,677
India	48,544		31,456
China	28,073		29,313
Other Asia Pacific	587		1,092
Total long-lived assets	$	648,178	$	686,992

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

	Year Ended
	January 25, 2015		January 26, 2014		January 27, 2013
Revenue:
Customer A	11	%	11	%	13	%
Customer B	9	%	10	%	9	%

Schedule Of Accounts Receivable, Major Customers

	January 25, 2015		January 26, 2014
Accounts Receivable:
Customer B	20	%	23	%
Customer C	10	%	9	%