Cash-Generating Unit (CGU)

A cash-generating unit (CGU) is the smallest identifiable group of assets that generates cash inflows largely independent of the cash inflows from other assets or asset groups. IAS 36 uses CGUs when an individual asset does not generate sufficiently independent cash inflows for its recoverable amount to be tested on its own.

The occasional phrase income-generating unit is imprecise in this context. IAS 36 focuses on independent cash inflows, not accounting income, department labels, or management’s preferred reporting structure.

Key Takeaways

• A CGU is identified at the lowest level where cash inflows are largely independent.
• A legal entity, reportable segment, product line, store, plant, or department is not automatically a CGU.
• The unit’s carrying amount and recoverable amount must be constructed on a consistent basis.
• Recoverable amount is the higher of value in use and fair value less costs of disposal.
• Goodwill is allocated to the CGU or group of CGUs expected to benefit from the business combination, subject to IAS 36’s level limit.
• A CGU impairment loss reduces goodwill first and then other eligible assets pro rata, subject to asset-level floors.
• U.S. GAAP asset groups and goodwill reporting units are related concepts but are not interchangeable with an IFRS CGU.

Why Cash-Generating Units Are Needed

Many assets support cash inflows together. A factory building, production line, customer technology, and working assets may not produce separately observable receipts. Testing each asset independently could ignore how the assets operate as one cash-generating system.

IAS 36 therefore moves the impairment test to the CGU when an individual asset’s value in use cannot be estimated independently. The grouping should be no broader than necessary. A unit that combines unrelated cash streams can use profitable assets to shield an impaired asset from recognition.

How to Identify a CGU

Start with the source of external cash receipts, then ask whether those inflows are largely independent from the inflows generated by other assets.

Evidence can include:

• how products or services are priced and sold
• whether an active market exists for the output
• customer contracts and billing flows
• operational dependence among assets
• how management monitors operations and decides whether to continue or dispose of them
• whether output is consumed internally and could be sold externally
• shared brands, systems, distribution, licenses, or infrastructure

Management reporting can inform the assessment but does not override the cash-inflow test. A cost center generally does not become a CGU merely because it has its own budget.

Retail Example

An individual store may be a CGU when it serves its own local customers and generates cash receipts largely independent of other stores. It may not be independent when pricing, customer fulfillment, inventory, and sales channels are integrated so tightly that store-level receipts do not represent separate cash inflows.

Manufacturing Example

A mine that supplies all output to an integrated processing plant may not generate independent cash inflows by itself. If the mine’s output has an active external market, the analysis may differ even when the company currently transfers all production internally.

Carrying Amount and Recoverable Amount

The impairment comparison is:

Recoverable amount is:

The carrying amount includes assets that can be attributed directly or allocated on a reasonable and consistent basis to the CGU and that generate the cash flows used in the recoverable-amount estimate. Recognized liabilities are generally excluded unless the recoverable amount cannot be determined without considering them.

Consistency matters. A recoverable amount based on cash flows from assets outside the unit cannot be compared meaningfully with a carrying amount that excludes those assets.

Worked Example: CGU Impairment Allocation

Assume a CGU has these carrying amounts before impairment:

The CGU’s value in use is $4.8 million and fair value less costs of disposal is $4.5 million. Recoverable amount is therefore $4.8 million, the higher measure.

The impairment loss is:

IAS 36 allocates the loss first to goodwill. That removes the $1.0 million goodwill balance. The remaining $0.2 million is allocated pro rata to the building and equipment, before applying the required asset-level floors:

The pro rata allocation cannot reduce an individual asset below the highest of its fair value less costs of disposal, its value in use when determinable, and zero. If a floor prevents part of the allocation, the remaining loss is reallocated among other eligible assets under the standard.

Goodwill and CGUs

Goodwill does not generate cash inflows independently. For impairment testing, acquired goodwill is allocated from the acquisition date to each CGU or group of CGUs expected to benefit from the combination’s synergies.

Under IAS 36, each unit or group receiving goodwill must:

• represent the lowest level at which the goodwill is monitored internally for management purposes; and
• not be larger than an operating segment before aggregation under IFRS 8.

Reorganizations, disposals, and changes in monitoring can require reallocation based on relative value or another demonstrably better method. Moving goodwill between units solely to avoid an impairment loss would undermine the test.

Corporate Assets

Head-office buildings, central systems, research facilities, and other corporate assets may contribute to several CGUs without generating independent inflows. When a reasonable and consistent allocation is possible, the relevant carrying amount is allocated to CGUs. When it is not, IAS 36 requires a broader testing process involving the smallest group of CGUs to which part of the corporate asset can be allocated consistently.

Analysts should ask whether centralized assets and costs are reflected consistently in both carrying amount and forecast cash flows.

CGU vs. Segment, Legal Entity, and U.S. GAAP Unit

The concepts can overlap in a simple organization, but the terminology and tests must not be blended. A company reporting under U.S. GAAP should not cite an IAS 36 CGU conclusion as though it completed ASC 360 or ASC 350 analysis.

Consistency From Period to Period

CGUs should be identified consistently unless a change is justified. Changes in products, customer channels, asset use, internal transfers, acquisitions, disposals, or management monitoring can alter the appropriate unit.

When the unit changes, preserve an evidence trail explaining:

1. the operational change
2. the old and new boundaries
3. the assets, liabilities, and goodwill affected
4. the cash-flow evidence supporting independence
5. the effect on recoverable amount and impairment
6. the required disclosures

How Analysts Should Review a CGU Test

• Reconcile the unit’s carrying amount to the asset register and general ledger.
• Map goodwill and corporate-asset allocations to the acquisition and current organization.
• Compare CGU boundaries with operating segments, stores, plants, products, and management reports.
• Test whether internal transfers and shared customers undermine cash-inflow independence.
• Review forecast revenue, margins, capital expenditure, working capital, terminal assumptions, and discount rates.
• Compare prior forecasts with actual outcomes for evidence of optimism or delayed impairment.
• Check that value-in-use and fair-value assumptions use the assets in their current condition and follow the applicable measurement rules.
• Read sensitivity disclosures where goodwill or indefinite-lived intangibles are significant.

Common Mistakes and Limitations

• Using “income-generating unit” as though accounting profit defines the unit.
• Automatically treating every department, product, or legal entity as a CGU.
• Grouping assets too broadly and shielding weak operations with stronger cash flows.
• Excluding shared assets from carrying amount while including their benefits in forecast cash flows.
• Allocating goodwill above the permitted level.
• Comparing cash flows after financing with a recoverable amount or carrying amount built on a different basis.
• Ignoring asset-level floors when allocating a CGU loss.
• Assuming an impairment model proves market value or predicts business failure.

Authoritative Sources

• IFRS Foundation: IAS 36 Impairment of Assets: Official overview of recoverable amount, CGUs, impairment allocation, and reversals.
• IAS 36 issued-standard text: Detailed definitions and requirements for identifying and testing CGUs.
• IFRS Foundation: IAS 36 Supporting Material: Agenda decisions and educational material concerning CGU application.
• IFRS Foundation: Business Combinations, Goodwill and Impairment Project: Current standard-setting project information; proposals are not effective requirements unless issued and applicable.

Related Terms

• Impairment: Reduction when an asset or unit’s carrying amount exceeds the applicable recoverability measure.
• Goodwill Impairment: Testing acquired goodwill at the assigned unit or group level.
• Recoverable Amount: Higher of value in use and fair value less costs of disposal under IAS 36.
• Carrying Amount: Recognized amount used in the impairment comparison.
• Reporting Entity: The broader boundary represented by a set of financial statements.

FAQs

This material is educational and does not provide an accounting, audit, valuation, legal, tax, or investment conclusion for a particular asset group.