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Industry Segment Operations (Tables)
 3 Months Ended
Jan. 26, 2025
Segment Reporting [Abstract]  
Schedule of Segment Reporting
Net revenue and operating income (loss) for each reportable segment were as follows:
Three Months Ended
Net RevenueOperating
Income (Loss)
 (In millions)
January 26, 2025:
Semiconductor Systems$5,356 $1,986 
Applied Global Services1,594 447 
Display183 14 
Corporate and Other33 (272)
Total$7,166 $2,175 
January 28, 2024:
Semiconductor Systems$4,909 $1,744 
Applied Global Services1,476 417 
Display244 25 
Corporate and Other78 (219)
Total$6,707 $1,967 
Details of goodwill by reportable segment as of January 26, 2025 and October 27, 2024 were as follows:
 
 January 26,
2025		October 27,
2024
 (In millions)
Goodwill by reportable segment
Semiconductor Systems$2,496 $2,460 
Applied Global Services1,032 1,032 
Display199 199 
Corporate and Other41 41 
$3,768 $3,732 
Schedule of Revenue From External Customers by Geographic Areas
Net revenue by geographic region, determined by the location of customers’ facilities to which products were shipped and services were performed, was as follows:
Three Months Ended
 January 26,
2025		January 28,
2024		Change
 (In millions, except percentages)
China$2,243 31 %$2,997 45 %(25)%
Korea1,667 23 %1,231 18 %35 %
Taiwan1,183 17 %559 8 %112 %
Japan540 8 %565 9 %(4)%
Southeast Asia286 4 %186 3 %54 %
Asia Pacific5,919 83 %5,538 83 %7 %
United States917 13 %759 11 %21 %
Europe330 4 %410 6 %(20)%
Total$7,166 100 %$6,707 100 %7 %
Schedule of Disaggregation of Revenue
Net revenue for Semiconductor Systems by market for the periods presented were as follows:
Three Months Ended
January 26,
2025		January 28,
2024
Foundry, logic and other68 %62 %
Dynamic random-access memory (DRAM)28 %34 %
Flash memory4 %4 %
100 %100 %
Schedule of Reconciliations of Total Segment Operating Income to Consolidated Operating Income (Loss)
The reconciling items included in Corporate and Other were as follows: 

Three Months Ended
January 26,
2025		January 28,
2024
 (In millions)
Unallocated net revenue$33 $78 
Unallocated cost of products sold and expenses(305)(297)
Total$(272)$(219)
Schedule of Companies Accounted for at Least 10 Percent of Net Sales
The following customers accounted for at least 10 percent of our net revenue for the three months ended January 26, 2025, and sales to these customers included products and services from multiple reportable segments.
 
Percentage of Net Revenue
Taiwan Semiconductor Manufacturing Company Limited15 %
Samsung Electronics Co., Ltd.17 %