The plan to break apart Google... RIP Chrome

A U.S. antitrust case could force Google to split up or sell Chrome—its dominant browser—an outcome that threatens to reshape both web search and the advertising engine that depends on Chrome as the “front door” to Google services. The stakes are high because Chrome controls about 66.6% of browser market share, and Google search remains highly influential even on non-Chrome browsers like Safari and Firefox. The underlying complaint centers on illegal, exclusionary deals that helped Google pay to stay the default search option across major platforms, including arrangements tied to Apple devices worth roughly 36% of ad revenue (about $20 billion per year). A judge’s ruling under the Sherman Act of 1890 has already pushed Google onto the “Monopoly offenders” list, and regulators are now pressing for remedies that go beyond fines.

Chrome matters to Google’s business model because it collects browsing history and search behavior, which then feeds targeted advertising. Alphabet’s ad business is described as overwhelmingly profitable—gross margins above 50%—and the browser is portrayed as the critical pathway that keeps users inside Google’s ecosystem. Department of Justice lawyers are reportedly pushing for Chrome to be split off or sold to another company, with an estimated price tag of at least $20 billion. Potential buyers named include Meta, Apple, and Amazon—each of which faces its own antitrust scrutiny for alleged monopoly behavior—raising the risk that the remedy simply swaps one gatekeeper for another.

If Chrome changes hands or search defaults shift, Google’s search dominance—estimated at around 90%—could erode as browsers begin presenting alternative search engines. The transcript points to plausible substitutes such as OpenAI’s search offering and DuckDuckGo, suggesting that default placement and distribution deals are the lever that keeps Google’s search share stable.

Google is expected to fight aggressively. The transcript notes that the DOJ’s internal leadership is about to change, and whoever takes over may be less inclined toward sweeping remedies. It also argues that Google may be allowed to keep Android, while uncertainty remains around how Google’s AI strategy—particularly Gemini—will unfold. Still, the browser is framed as essential for routing users toward Gemini and other Google services; losing Chrome could reduce Google’s incentive to invest in browser technology.

The transcript draws a cautionary line from past antitrust outcomes: Microsoft was declared a monopoly after bundling Internet Explorer with Windows and suppressing competitors like Netscape, but avoided a breakup and instead faced lighter remedies such as opening APIs and ending exclusivity. The concern is that Google’s remedy could be more damaging because Chrome is central to Google’s ad and product distribution. The transcript ends with betting odds of roughly 13% that Chrome is actually forced into a breakup or sale, implying skepticism that Google will ever surrender its “one browser” position.