$1 billion not *my* number, but look Texaco-Pennzoil https://www.washingtonpost.com/archive/politics/1985/11/20/jury-awards-1053-billion-to-pennzoil-in-texaco-case/7d3d352f-816a-416c-95a9-19cc116db240/ tortious interference Havent looked at it closely, not a lawyer, time will tell