A composite pane with an electrically controllable functional element that can be switched in segments, includes a first pane, a second pane, which are joined to one another via an intermediate layer, and a functional element that is integrated in the intermediate layer, wherein the functional element includes, arranged flat one over another, a first surface electrode and a second surface electrode, between which an active layer is arranged flat, the first surface electrode is divided into multiple segments by at least one separating line, a group of first busbars electrically conductively contact the first surface electrode, at least one second busbar electrically conductively contacts the second surface electrode, and wherein each segment of the first surface electrode is electrically conductively contacted by at least two busbars of the group of the first busbars.