Apple has stepped into Google’s high-stakes antitrust trial, aiming to defend its billion-dollar revenue-sharing agreement with the search giant, according to Reuters. This arrangement ensures Google remains the default search engine on Apple’s Safari browser,

Apple wants to join the antitrust case against Google, and it has explained why it doesn't want to create its own rival search engine.

Apple has asked to participate in Google's upcoming U.S. antitrust trial over online search, saying it cannot rely on Google to defend revenue-sharing agreements that send the iPhone maker billions of dollars each year for making Google the default search engine on its Safari browser.