It has been believed since the earliest times to be guaranteed in such scriptural passages as John 14.16,17. The analogous attribute of the Bible is usually called inerrancy.
Protestants widely reject infallibility of the church.
The Orthodox Eastern Church holds that only the church, taken as an integral community and spiritual body guided by the Holy Spirit, is infallible. Definitive pronouncements resulting from an ecumenical council, when ratified by the pope, are also held to be infallible. The pope speaks ex cathedra only rarely and after long deliberation. Listing from Electric Library , a pay service. No relevant pictures or maps found.