Some Perspective on the BTI Writedown: In December of 2023, British American Tobacco wrote down much of the value of its U.S. cigarettes business in the form of a $31.5 billion non-cash impairment. Starting in 2024, management will treat some of its U.S. cigarette brands as assets with a lifetime of thirty years. Affected brands include Newport, Camel, American Spirit, and Pall Mall.