While divesting Google's Ad Manager would not meaningfully reduce Google’s revenue. if found guilty, Google could face $100 billion in litigation from advertisers.

Google lost its final legal challenge against a European Union penalty for giving its own shopping recommendations an illegal advantage over rivals in search results.

Google has racked up €8.25-billion in EU antitrust fines in the last decade. It has challenged two rulings involving its Android mobile operating system and AdSense advertising service, and is now waiting for the judgments.