Catholic
The Catholic Church teaches that the Magisterium — the Pope and the bishops in communion with him — is the living teaching office entrusted with authentically interpreting the Word of God. It holds that the Magisterium serves the Word, teaching only what has been handed on, whether in Scripture or Sacred Tradition.
Source: CCC 85–87 ↗
Orthodox
The Orthodox Church does not recognize a magisterium in the Catholic sense; it teaches that doctrinal authority resides in the whole Church — expressed through Scripture, the ecumenical councils, and the consensus of the Fathers. It holds that no single bishop, even the Pope, can define doctrine alone.
Source: The Orthodox Faith, Vol. I — The Councils ↗
Lutheran
Lutherans reject a magisterium as an infallible teaching office; they teach that Scripture alone is the supreme judge of doctrine, with the Lutheran Confessions serving as a true exposition of Scripture but always subject to it. They hold that councils and teachers may err and must be tested by the Word.
Source: Formula of Concord, Epitome, Rule and Norm ↗
Reformed
The Reformed tradition rejects a magisterium, teaching that the supreme judge of all religious controversies is the Holy Spirit speaking in Scripture. It holds that church officers and confessions are subordinate to the Word, and that synods and councils may err and have erred.
Source: Westminster Confession 1.10; 31.4 ↗
Baptist
Baptists reject any magisterium, teaching that Scripture is the supreme standard by which all human conduct, creeds, and religious opinions are tried. They hold to the competency of the individual soul before God and the autonomy of the local congregation under Christ's lordship.
Source: BFM 2000, Preamble; I; VI ↗
Methodist
Methodists have no magisterium; they teach that doctrine is discerned through the Wesleyan quadrilateral — Scripture as primary, interpreted with the help of tradition, reason, and experience. They hold that General Conference speaks for the Church but its teachings remain open to reform under the Word.
Source: UMC.org Glossary: Wesleyan Quadrilateral ↗