Operating segments arise from how a public entity is managed. One legal subsidiary can contain several operating segments. Several legal entities can feed one operating segment. An internal cost center may fail the business- activity or discrete-information criteria.
Start with actual packages and decisions. Identify component revenues and expenses, internal activity, discrete measures, report frequency, resource allocations, performance discussions, and changes in management structure. Reconcile the population to the consolidated entity so that an omitted component is not hidden by a balanced segment table.
Quantitative reportable-segment thresholds come later. Using them to decide which operating components exist reverses the model and can erase small components before aggregation is evaluated.
ASC 280-10-50-1 requires all three operating-segment characteristics. Test each candidate component against the same reporting date and actual CODM package. A component with revenue and expenses still fails the model when discrete information is unavailable or the CODM does not regularly review its results for the stated purposes.
Put the concept to work
Understand this concept
- Explain how business activities, discrete financial information, and regular CODM review work together and why a legal entity, product, geography, or cost center is not automatically an operating segment.
Analyze this concept
- Map management reports, revenue and expense activity, intercomponent transactions, discrete measures, reporting cadence, and CODM decisions to candidate operating components without using reportable-segment thresholds prematurely.
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Build on these ideas
- Chief operating decision maker — Understand
To understand this concept: Required. Regular review is evaluated from the identified resource-allocation and performance-assessment function.
- Operating segment — Understand
To analyze this concept: Required. Candidate components must satisfy the operating-segment model before aggregation and thresholds are considered.
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Use this idea next
- Operating segment — Analyze
Required level here: understand. Required. Candidate components must satisfy the operating-segment model before aggregation and thresholds are considered.
- Reportable segment — Apply
Required level here: analyze. Required. The segment population and management evidence must be established before numerical tests are meaningful.
- Reportable segment — Understand
Required level here: understand. Required. Only identified operating segments enter the later aggregation and reportability analysis.