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Segment Information and Major Customers
 6 Months Ended
Jan. 28, 2023
Segment Reporting [Abstract]  
Segment Information and Major Customers Segment Information and Major Customers
(a)Revenue and Gross Margin by Segment
We conduct business globally and are primarily managed on a geographic basis consisting of three segments: the Americas, EMEA, and APJC. Our management makes financial decisions and allocates resources based on the information it receives from our internal management system. Sales are attributed to a segment based on the ordering location of the customer. We do not allocate research and development, sales and marketing, or general and administrative expenses to our segments in this internal management system because management does not include the information in our measurement of the performance of the operating segments. In addition, we do not allocate amortization and impairment of acquisition-related intangible assets, share-based compensation expense, significant litigation settlements and other contingencies, charges related to asset impairments and restructurings, and certain other charges to the gross margin for each segment because management does not include this information in our measurement of the performance of the operating segments.
Summarized financial information by segment for the second quarter and first six months of fiscal 2023 and 2022, based on our internal management system and as utilized by our Chief Operating Decision Maker (“CODM”), is as follows (in millions):
Three Months EndedSix Months Ended
January 28,
2023		January 29,
2022		January 28,
2023		January 29,
2022
Revenue:
Americas$7,825 $7,146 $15,738 $14,706 
EMEA3,728 3,564 7,404 6,867 
APJC2,039 2,010 4,082 4,046 
Total$13,592 $12,720 $27,224 $25,620 
Gross margin:
Americas$4,920 $4,611 $9,904 $9,486 
EMEA2,469 2,381 4,795 4,509 
APJC1,298 1,337 2,571 2,654 
Segment total8,687 8,328 17,269 16,649 
Unallocated corporate items(260)(279)(496)(547)
Total$8,427 $8,049 $16,773 $16,102 
Amounts may not sum due to rounding.
Revenue in the United States was $7.0 billion and $6.4 billion for the second quarter of fiscal 2023 and 2022, respectively, and $14.0 billion and $13.2 billion for the first six months of fiscal 2023 and 2022, respectively.
(b)Revenue for Groups of Similar Products and Services
We design and sell Internet Protocol (IP)-based networking and other products related to the communications and IT industry and provide services associated with these products and their use.
The following table presents revenue for groups of similar products and services (in millions):
Three Months EndedSix Months Ended
January 28,
2023		January 29,
2022		January 28,
2023		January 29,
2022
Revenue:
Secure, Agile Networks$6,746 $5,899 $13,430 $11,867 
Internet for the Future1,306 1,322 2,616 2,695 
Collaboration958 1,067 2,044 2,176 
End-to-End Security943 883 1,914 1,778 
Optimized Application Experiences199 180 393 361 
Other Products3 2 4 5 
Total Product10,155 9,353 20,400 18,882 
Services3,437 3,367 6,824 6,738 
Total$13,592 $12,720 $27,224 $25,620 
Amounts may not sum due to rounding. We have made certain reclassifications to the product revenue amounts for prior periods to conform to the current year presentation.