How common are layoffs at Intel Corporation?

often. sometimes it's teams gets dissolved or redeployed, basically Intel gives you sometime to find another job before letting you go. At Intel they don't call them lay off unless it's a big one like what Intel did in the past 5 years, 2 layoffs each ~10% of company. However you won't even know about those unless you were affect or you are close to some people who were affected.

Far too often. The current CEO seemed to do them more often. It is indicative of terrible decisions and management of resources. If you are there always be ready to leave.