Segment Information And Major Customers (Tables)

3 Months Ended

Oct. 27, 2012

Reconciliation from Segment Totals to Consolidated [Abstract]

Reportable Segments

Summarized financial information by segment for the three months ended October 27, 2012 and October 29, 2011, based on the Company's internal management system and as utilized by the Company's Chief Operating Decision Maker ("CODM"), is as follows (in millions):

	Three Months Ended
	October 27, 2012			October 29, 2011
Net sales:
Americas	$	7,023		$	6,588
EMEA	2,841			2,845
APJC	2,012			1,823
Total	$	11,876		$	11,256
Gross margin:
Americas	4,468			4,160
EMEA	1,798			1,754
APJC	1,176			1,108
Segment total	7,442			7,022
Unallocated corporate items	(203		)	(132		)
Total	$	7,239		$	6,890

Segment Reporting Product And Services Net Sales [Text Block]

The following table presents net sales for groups of similar products and services (in millions):

	Three Months Ended
	October 27, 2012		October 29, 2011
Net sales:
Switching	$	3,616	$	3,687
NGN Routing	2,052		2,094
Service Provider Video	1,148		883
Collaboration	1,020		1,108
Wireless	486		353
Data Center	417		259
Security	338		319
Other	220		249
Product	9,297		8,952
Service	2,579		2,304
Total	$	11,876	$	11,256

Entity Wide Disclosure On Geographic Areas Long Lived Assets [Text Block]

Property and equipment information is based on the physical location of the assets. The following table presents property and equipment information for geographic areas (in millions):

	October 27, 2012		July 28, 2012
Property and equipment, net:
United States	$	2,801	$	2,842
International	608		560
Total	$	3,409	$	3,402