As usual, the clown has no idea what he's talking about. It's $100B in "improper payments" -- which is defined to mean payments that were not correct when made. Some of them are overpayments and some are underpayments. In this figure, those don't cancel out, because they are measuring the total number of improper payments, not looking for a budgetary impact.
Here's a link.
Both Medicare and Medicaid are susceptible to payment errors—over $100 billion worth in 2023. Known as "improper payments," these are payments that...
www.gao.gov
The other thing, of course, is that morons and not intelligent people see $X in "fraud" and think, "oh, think about what we could do with that $X" as if anyone ever anywhere has reduced fraud to zero. If there's $X in fraud, then chances are the best you could do by stepping up enforcement would be X/10, and that's highly optimistic. Agencies have been going after fraud for years.
But then again, what would GOP leadership know about that? It's not as if one of the Senators from Florida ever touched Medicaid fraud, right? Right? Oh. Maybe they should put Rick Scott on the case. He knows a lot about Medicaid fraud.