Earlier quoted context omitted.
Seems like all the big banks already have that functionality.
Wells-Fargo sure doesn't, nor does BMO, nor does American Express... so I'm not sure what you mean here?
I know BoA definitely does, and that seems like Wells Fargo's implementation.
Someone else in the thread mentioned AmEx/USAA/PNC does it, but I can't seem to quickly find it via Google. I haven't used Chase, but I assume they also categorize their expenses. I guess I was assuming they do it since they all categorize expenses, it doesn't seem much of a leap to show a month to month breakdown of it.