Kraft Heinz Co. 's investment-grade credit rating is being reviewed for a potential downgrade by Moody's Ratings after the company's plan to split its business raised uncertainties over its future capital structure. Moody's has placed Kraft Heinz's Baa2 senior unsecured ratings, and Prime-2 commercial paper ratings under review for downgrade, according to a release. It has changed its outlook on all KHC entities to under review from stable.