Not amortized as it is an indefinite-lived intangible asset
Impairment of goodwill must be tested annually
Impairment is tested at the level of the cash-generating unit (CGU)
Compare carrying value of CGU, including goodwill, with recoverable amount
U.S. GAAP is tested at level of the reporting unit which can be different and typically larger than CGU
U.S. GAAP only requires a bottom-up test