MO-participants should appreciate the difference between information about +1 vote and +4 vs -3 votes. This is especially the case of closed questions.
I hope that MO will implement the more complete way.
This is already possible for users with 1,000 or more reputation:
How do I view vote counts?
Voting scores, as displayed, are the sum of the up and down votes on a post. Vote counts are the individual up and down votes that make up the score.
You can view the vote counts by clicking on the score of a post. This will break the score into upvotes and downvotes, like so:
Whether that privilege should be available for users with less reputation as well is an eternal debate on Meta Stack Exchange.