Goodwill Impairment — Defining Reporting Units & Qualitative Tests
- Graziano Stefanelli
- May 19
- 3 min read

Goodwill impairment testing begins by assigning acquired goodwill to reporting units and determining whether a triggering event or qualitative factors indicate potential impairment.
The “Step 0” qualitative assessment allows entities to bypass the quantitative fair-value test if it is more likely than not that no impairment exists.
1. Assigning goodwill to reporting units
Under US GAAP (ASC 350), goodwill must be tested at the reporting unit level, which is defined as an operating segment or one level below it (a component) that:
Engages in business activities generating revenues and expenses.
Has discrete financial information available.
Is regularly reviewed by management.
IFRS (IAS 36) uses cash-generating units (CGUs), the smallest identifiable group of assets generating cash inflows largely independent from other assets.
Framework | Level of testing | Allocation method |
US GAAP | Reporting unit | Allocate goodwill to reporting units expected to benefit from the business combination |
IFRS | Cash-generating unit (CGU) | Allocate goodwill to CGUs or groups of CGUs expected to benefit from synergies |
2. Aggregating or disaggregating components
Entities may combine components into a single reporting unit if they share similar economic characteristics. Factors include:
Nature of products or services
Production processes
Types of customers and markets
Regulatory environments
Disaggregation may be required if components are economically distinct or reviewed separately by the Chief Operating Decision Maker (CODM).
3. The qualitative assessment (Step 0 test)
The optional Step 0 assessment evaluates whether it is more likely than not (>50 %) that the fair value of a reporting unit exceeds its carrying amount. If so, no further testing is required.
This step requires evaluating relevant events or circumstances that could affect fair value or carrying amount, including:
Macroeconomic conditions
Industry and market trends
Cost factors (e.g., increases in raw materials, labor)
Financial performance of the reporting unit
Entity-specific events (e.g., loss of key personnel, litigation)
Changes in share price or market capitalization
4. Example of Step 0 evaluation process
Factor | Evaluation | Impact |
Market decline in key product | Moderate and expected to rebound next year | Neutral |
Drop in unit’s revenue growth | Temporary due to known supply constraints | Neutral/temporary |
Impairment indicators in peers | Not present | Positive (no concern) |
Overall cash flows | Slightly above budget | Positive |
Conclusion | No evidence that FV < carrying amount | Step 1 not required |
5. Documentation and auditor expectations
When performing a qualitative test, companies must document:
Each factor considered and its relative weight
Judgments made in evaluating potential adverse trends
Support for concluding that it is more likely than not that fair value exceeds carrying amount
Consideration of interactions between risk factors
Auditors will assess whether the evaluation was comprehensive and unbiased and whether there are any omitted material factors.
6. When to skip Step 0 and proceed directly to Step 1
Companies may elect to bypass Step 0 and proceed directly to the quantitative fair-value test if:
The reporting unit’s performance has deteriorated significantly
Management lacks confidence in qualitative conclusions
Internal controls over judgmental factors are weak
A prior Step 0 test led to Step 1 confirmation of impairment
This conservative approach is often preferred when market volatility is high or visibility into forecasts is low.
7. Interaction with interim and triggering-event tests
Goodwill must be tested:
Annually — For all reporting units with goodwill
Interim — Whenever a triggering event occurs (e.g., restructuring, economic downturn, major loss of customers)
Triggering-event assessments may be qualitative or quantitative. If impairment is indicated, Step 1 must be performed even between annual test dates.
Key take-aways
Goodwill must be assigned to the appropriate reporting unit or CGU based on who benefits from the business combination.
The optional Step 0 assessment can save time and cost but must be supported by rigorous qualitative analysis.
A failed or inconclusive Step 0 assessment requires a full fair-value comparison under Step 1.
Consistent documentation, professional skepticism, and cross-functional input are critical for supporting judgments made during the Step 0 test.