Discontinued — last reported Q4 '21
An increase indicates management's reduced expectation of future economic benefits from the asset, often signaling potential impairment or poor commercial performance.
Represents the contra-asset account used to reduce the carrying value of deferred tax assets or specific product-related...
Standard accounting practice across industries, often disclosed in tax notes or asset impairment sections of financial reports for specific product lines.
biib_segment_aduhelm_valuation_allowance| Q4 '21 | |
|---|---|
| Value | $390.00M |