2 In this Church of Christ the Roman pontiff, as the successor of Peter, to whom Christ entrusted the feeding of His sheep and lambs, enjoys supreme, full, immediate, and universal authority over the care of souls by divine institution. Therefore, as pastor of all the faithful, he is sent to provide for the common good of the universal Church and for the good of the individual churches. Hence, he holds a primacy of ordinary power over all the churches. The bishops themselves, however, having been appointed by the Holy Spirit, are successors of the Apostles as pastors of souls. Together with the supreme pontiff and under his authority they are sent to continue throughout the ages the work of Christ, the eternal pastor. Christ gave the Apostles and their successors the command and the power to teach all nations, to hallow men in the truth, and to feed them. Bishops, therefore, have been made true and authentic teachers of the faith, pontiffs, and pastors through the Holy Spirit, who has been given to them.
Source: Christus Dominus (Vatican.va)