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Segment Information
 9 Months Ended
Jul. 31, 2022
Segment Reporting [Abstract]  
Segment Information Segment Information
Reportable Segments
We have two reportable segments: semiconductor solutions and infrastructure software. Each segment has separate financial information that is utilized on a regular basis by the CODM in determining how to allocate resources and evaluate performance. The reportable segments are determined based on several factors including, but not limited to, customer base, homogeneity of products, technology, delivery channels and similar economic characteristics.
Semiconductor solutions. We provide semiconductor solutions for managing the movement of data in data center, telecom, enterprise and embedded networking applications. We provide a broad variety of radio frequency semiconductor devices, wireless connectivity solutions and custom touch controllers for mobile applications. We also provide semiconductor solutions for enabling the set-top box and broadband access markets and for enabling secure movement of digital data to and from host machines, such as servers, personal computers and storage systems, to the underlying storage devices, such as hard disk drives and solid state drives. We also provide a broad variety of products for the general industrial and automotive markets. Our semiconductor solutions segment also includes our IP licensing.
Infrastructure software. We provide a portfolio of software solutions that enables customers to plan, develop, automate, manage and secure applications across mainframe, distributed, mobile and cloud platforms. Our portfolio of infrastructure and security software is designed to modernize, optimize, and secure the most complex hybrid environments, enabling scalability, agility, automation, insights, resiliency and security. We also offer mission critical FC SAN products and related software.
Our CODM assesses the performance of each segment and allocates resources to each segment based on net revenue and operating results and does not evaluate each segment using discrete asset information. Operating results by segment include items that are directly attributable to each segment and also include shared expenses such as marketing, general and administrative activities, facilities and information technology (“IT”) expenses. Shared expenses are allocated based on revenue, headcount or evenly between the segments.
Unallocated Expenses
Unallocated expenses include amortization of acquisition-related intangible assets, stock-based compensation expense, restructuring, impairment and disposal charges, acquisition-related costs, and other costs, which are not used in evaluating the results of, or in allocating resources to, our segments. Acquisition-related costs include transaction costs and any costs directly related to the acquisition and integration of acquired businesses.
Depreciation expense directly attributable to each reportable segment is included in the operating results of each segment. However, the CODM does not evaluate depreciation expense by operating segment and, therefore, it is not separately presented. There was no inter-segment revenue for any of the periods presented. The accounting policies of the segments are the same as those described in the “Summary of Significant Accounting Policies” included in the Annual Report on Form 10-K for fiscal year 2021.
Fiscal Quarter EndedThree Fiscal Quarters Ended
July 31,
2022		August 1,
2021		July 31,
2022		August 1,
2021
(In millions)
Net revenue:
Semiconductor solutions$6,624 $5,021 $18,726 $14,749 
Infrastructure software1,840 1,757 5,547 5,294 
Total net revenue$8,464 $6,778 $24,273 $20,043 
Operating income:
Semiconductor solutions$3,916 $2,720 $10,891 $7,828 
Infrastructure software1,283 1,226 3,903 3,700 
Unallocated expenses(1,462)(1,820)(4,555)(5,590)
Total operating income$3,737 $2,126 $10,239 $5,938