Johnson Controls Inc. (NYSE:JCI) intends to acquire Tyco International plc (NYSE:TYC). Johnson is in advanced talks to buy Tyco, people familiar with the matter said. The terms for the deal are not yet known.

The sources, who asked not to be identified because the negotiations are confidential, cautioned that no agreement was certain. A deal could be announced on January 25, 2016. Reuters added that Johnson Controls and Tyco did not respond to requests for comment.