Details of the huge sums were buried in a report of the conference carried by the trade magazine The Hollywood Reporter. The main idea of the conference was for Time Warner to brag to potential investors how well the company is doing. The numbers indicate that reruns on regular TV have grossed $2.3 billion since 1998. Revenues from cable were about $380 million, execs reported. "Seinfeld" made 180 episodes during its nine-year run -- which means that each half-hour episode has earned more than $14 million so far.