Values internal experience extremely disproportionately: If you come in with a lot of external experience, then be prepared to fail. An ideal career path is to come in out of undergrad and stay till retirement.
Very hierarchical: Operates in a very regimented top-down culture that entertains very little out-of-the-box thinking. If you are someone who wants to think strategically and tend to ideate a lot, you are likely to make enemies.