https://phys.org/news/2018-07-boeing-embraer-commmercial-jets-joint.html

Under the terms of the deal, Boeing will hold an 80 percent stake valued at $3.8 billion, the companies said in a release Thursday, while Embraer will hold the remaining 20 percent.

The proposed partnership is expected to be accretive to Boeing's earnings per share beginning in 2020 and to generate estimated annual pre-tax cost synergies of approximately $150 million by the third year.