What do IFRS 8 and ASC 280 have in common?
Both apply to companies whose debt or equity is publicly traded, or that are in the process of issuing it. Both identify operating segments from the information the CODM uses to allocate resources and assess performance, allow aggregation of segments with similar economic characteristics, and require a segment to be reported if it has 10% or more of revenue, of the absolute profit or loss, or of assets, until reported segments cover at least 75% of external revenue. Both measure segment amounts on the basis used internally, reconcile them to the financial statements, and require entity-wide disclosures of revenue by product and geography and of reliance on major customers. See IFRS 8 operating segments, which works through the thresholds.
IFRS 8 vs ASC 280: what are the differences?
| Area | IFRS 8 | ASC 280 |
|---|---|---|
| Segment expenses | Specified amounts, such as depreciation, interest and material items of income and expense, when included in the measure reviewed by the CODM or regularly provided | Since ASU 2023-07, significant expense categories regularly provided to the CODM and included in segment profit, plus other segment items |
| Segment liabilities | Required if regularly provided to the CODM | Not required |
| Measures of segment profit | The one closest to IFRS measurement, if the CODM uses several | More than one may be disclosed, if one is the measure closest to US GAAP |
| Matrix organizations | Segments identified by the core principle, whatever the form of organization | Segments based on products and services |
| Geographic noncurrent assets | Include intangible assets | Long-lived assets exclude intangible assets |
| Aggregation | Disclose the judgments made, including the economic indicators assessed | Disclose whether operating segments have been aggregated |
| Single-segment companies | Entity-wide disclosures | All ASC 280 disclosures, including significant expenses, under ASU 2023-07 |
| Interim reports | Segment revenue and profit, and assets or liabilities that changed materially, under IAS 34 | All annual disclosures about segment profit or loss and assets |
An example: the same company under both standards
A company with two reportable segments, Devices and Services, gives its CODM monthly segment profit and segment liabilities. Its property, plant and equipment and intangible assets, such as software and customer relationships, sit in two regions. All figures are in CU million.
| Disclosure | IFRS 8 | ASC 280 |
|---|---|---|
| Segment liabilities: Devices | 210 | Not required |
| Segment liabilities: Services | 90 | Not required |
| Noncurrent assets: Home country | 400 | 300 |
| Noncurrent assets: Other countries | 170 | 120 |
| Cost of revenue, selling and R&D by segment | Only if specified or regularly provided as such | Required if regularly provided and significant |
The IFRS note shows CU 300 million of segment liabilities that the US note leaves out, and CU 150 million more noncurrent assets by region, because intangible assets are included. The US note, in turn, gives the expense categories behind each segment's profit. See ASC 280 segment reporting for a full two-segment disclosure under ASU 2023-07.
How do segment measures relate to performance measures?
A segment measure of profit is not a non-GAAP measure under either framework, because it is required by the standard. From 2027, IFRS 18 adds management-defined performance measures for subtotals that a company uses in public communications outside the financial statements, with a reconciliation. Segment measures generally fall outside that definition because they describe parts of the business, but a total of segment profit that the company uses publicly as a measure for the business as a whole can be one. In the US, the SEC staff treat additional segment measures disclosed under ASU 2023-07 as subject to their non-GAAP rules when they are not the measure closest to US GAAP. See IFRS 18 management-defined performance measures.
How do segments affect goodwill?
Segments cap the level at which goodwill is tested. Under IAS 36, a group of cash-generating units to which goodwill is allocated cannot be larger than an operating segment before aggregation. Under ASC 350, goodwill is tested at reporting units, which are operating segments or one level below. See IAS 36 vs US GAAP impairment.
Where to go next
See IFRS vs US GAAP key differences and the IFRS vs US GAAP cheat sheet.
Keep going
Our free Excel models work through the examples in these guides, and the comparisons show where IFRS and US GAAP part ways. Every guide names the Chartered Accountant who wrote it and the one who reviewed it.
Questions people ask
What is the main difference between IFRS 8 and ASC 280?
Since ASU 2023-07, US GAAP requires significant segment expenses regularly provided to the chief operating decision maker, while IFRS 8 requires segment liabilities when they are regularly provided, which US GAAP does not.
Do IFRS 8 and ASC 280 identify the same segments?
Usually, because both use the management approach and the same thresholds; a company with a matrix organization can differ, because US GAAP bases segments on products and services.
Are intangible assets included in geographic disclosures?
Under IFRS 8, yes: noncurrent assets include intangible assets. Under ASC 280, long-lived assets by geography exclude intangible assets.
Can a company report more than one segment profit measure?
Under ASC 280, since ASU 2023-07, yes, if one of them is the measure closest to US GAAP; under IFRS 8, the measure reported is the one closest to IFRS measurement.
Sources
The standards, updates and other documents this guide draws on.
- IFRS Foundation: IFRS 8 Operating Segments
- IFRS Foundation: Disclosure of Revenues and Expenses for Reportable Segments (IFRS 8), agenda decision, July 2024
- BDO Australia: IFRIC agenda decision, disclosing revenue and expenses for reportable segments
- FASB Accounting Standards Codification: Topic 280, Segment Reporting
- Deloitte DART: Segment reporting roadmap, Appendix A, differences between US GAAP and IFRS
Rules and fees change. If you are reading this long after October 26, 2026, confirm the figures with the source before you rely on them.
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This guide is general information. It is not tax or legal advice for your situation.