Pros
The benefits and pay are by far way better then I've had elsewhere. The work/life balance for the most part is good. Everyone is friendly and always okay with answering your questions. The values when actually practiced make Ikea a very good company to work for. Depending on the type of position you have within the company your opportunities for growth can be endless.
Cons
Depending on the type of management you have and what your position is within the company your development in the company will probably result in no actual development at all. Upper management or "steering" tends to act like they are above everyone. Not all the stores are the same when it comes to how they are managed and how managers are allowed to act/get away with. If you are wanting a part time coworker position you'll be fine because you don't have to deal with upper management constantly but being a manager at Ikea is like being in the twilight zone or being back in high school.