be all the same to (one)
To be something for which one does not have a preference. The phrase is used to indicate that one is not invested in a particular outcome or decision. I don't really care what movie we see, it's all the same to me. It's all the same to me if you come home after midnight, but at least call your mother so she doesn't worry.
be all the same to somebody
(also be all ˈone to somebody old-fashioned) not be important to somebody: If it’s all the same to you, I’d prefer to go shopping on my own.