Latham & Watkins is advising Nippon Life Insurance, Japan’s largest insurance company, on its $3.8 billion sale of a 20% stake in Corebridge Financial Inc. to American International Group Inc. (AIG).

AIG is being represented by Wachtell, Lipton, Rosen & Katz. Debevoise & Plimpton advised Houston-based Corebridge, one of America’s largest providers of retirement solutions and insurance products.