Intel's factories cost billions of dollars (actual cost is around $5 billion now, not a mere $1 billion) because they're unbelievably advanced. This isn't the housing bubble applied to factories. They're building a facility that uses the most advanced technology in the world on an industrial scale.
Their revenue is many times that, certainly, but that doesn't mean they just have billions of dollars lying about doing nothing, waiting for the company to need a factory.
Their revenue is many times that, certainly, but that doesn't mean they just have billions of dollars lying about doing nothing, waiting for the company to need a factory.