This is in addition to the tens of billions of dollars the business pays Apple to have Safari's default search engine.
Google gives Apple 36% of all the money it makes from ads whenever someone uses Apple's Safari browser to conduct a Google search. During his testimony on behalf of Alphabet at the company's ongoing Justice Department trial in Washington on Monday, Kevin Murphy, an economics professor at the University of Chicago, disclosed the number, which was supposed to remain confidential, according to Bloomberg.
The figure provided additional insight into the relationship between the two biggest tech companies in the world, which has recently been the subject of antitrust scrutiny. According to the DOJ, Google pays businesses like Apple, whose iPhone, iPad, and Mac devices are used by billions of people worldwide, to be the default search engine on Safari in order to maintain its market dominance. According to a New York Times report, Google allegedly paid Apple "around $18 billion" in 2021 to be the default search engine on Safari.
Bloomberg reported last week that Google and Apple had objected to the public disclosure of specifics about their agreement. In a court filing, Google claimed that disclosing additional information "would unreasonably undermine Google's competitive standing in relation to both competitors and other counterparties".
The amount of money Google makes from Safari advertisements is unknown, but it's reasonable to assume that 36% of that amount is in the tens of billions of dollars. The majority of Google's $279.8 billion in revenue in 2022 came from advertising.
Engadget asked Google and Apple for comments, but neither company responded.