Game concept
Cardinal Budget
The game also links it as Cardinal, Cardinal Benefices.
From the game's encyclopedia
Treasury allocated to Cardinals from the central church treasury, representing direct and indirect benefices assigned to them.
The game's text for patch 1.20.1.2. Words in blue are entries of the encyclopedia: hover one to read it, as in the game.
Cardinal Budget is an entry of Crusader Kings III's in-game encyclopedia. The game explains it: "Treasury allocated to Cardinals from the central church treasury, representing direct and indirect benefices assigned to them." It is part of Budget Category. The game also links it as Cardinal and Cardinal Benefices. Patch 1.20.1.2, from game/common/game_concepts/pam_game_concepts.txt and game/localization/english/game_concepts_l_english.yml.
Source: game/common/game_concepts/pam_game_concepts.txt, game/localization/english/game_concepts_l_english.yml and the English localisation, Crusader Kings III 1.20.1.2.