ASC 280 (US GAAP) and IFRS 8 (IFRS) are converged on the management approach: operating segments are the components the chief operating decision maker (CODM) reviews, with 10% quantitative thresholds.
| Area | US GAAP (ASC 280) | IFRS (IFRS 8) |
|---|---|---|
| Core model | Management approach (CODM) | Same |
| Segment-expense disclosure | Expanded by ASU 2023-07 (significant segment expenses) | Existing requirements |
| Entity-wide / matrix-org tie-breaker | Minor differences | Minor differences |
An educational reference and original synthesis — not investment advice, and not a substitute for the standard. Consult ASC 280 / IFRS 8 directly.