be all one to

it's all (the) one to me

It makes no difference to me one way or another; it's not important to me what happens. I don't really care what movie we see, it's all one to me. I'm not really a big sports fan, so it's all the one to me whether our team wins or loses.See also: all, one

be all one to

make no difference to someone.See also: all, one