In May last year, Sony said it was considering spinning off its insurance and online-banking unit, responding to longstanding calls from some investors to focus on its core entertainment businesses.
Though the financial business brings in steady profits, it has only limited connections to the company's other businesses like its PlayStation videogame consoles and image sensors used in Apple phones.
Sony plans to distribute slightly more than 80% of the shares it holds in the financial unit to its shareholders through dividends in kind, retaining a stake of just under 20% after the spinoff.
It aims to list the business in October 2025.