Nonetheless this one will certainly sting too, as just the fact that EU is striking down anything that smells like a monopolistic policy or practice is going to tighten Google's ropes.
Previous billion dollar fines came from Google giving themselves an unfair advantage regards to Android against competitive platforms and price comparison data in the search engine.
The former was the larger one at 4.34 billion euro ($4.91 billion) and the latter cost Google another 2.4 billion euro ($2.72 billion).
This is likely not the last we hear about EU and their antitrust battles with Google. European Commission has recently started new investigations into Google's search engine data and how they treat competitors.