How to pronounce “billon” in English

anything with a seven out of ten failure rate is demanding some reconfiguration.But the other point is that it is extremely expensive this failure. In terms of what it is costing us in a state that is on the verge of bankruptcy, it's a $10 billon dollar slicein the annual budget. It is also extremely expensive in terms of what it is costing our public safety. So knowing that, I decided to create a re-entry