ASC 360 Asset Group Definition

How is an asset group defined for impairment testing under ASC 360?
U
US GAAP

ASC 360 Asset — Core Rule

Under ASC 360 Asset Group Definition guidance, an asset group is the lowest level of identifiable cash flows that are largely independent of the cash flows of other groups of assets and liabilities — and impairment testing is performed at that level, not at the individual asset level.

How ASC 360 Asset Works