Heidegger characterizes the history and essence of metaphysics as ontotheological. Ontotheology concentrates on the being of entities and conceives of this being in two interdependent ways. First, as common to all entities, being serves as the ontological ground for their coherence and intelligibility. Second, being is understood theologically, that is, by recourse to a highest entity that both exemplifies what is common to entities and serves as the causal foundation of entities and their being. Heidegger often speaks of an ontological difference, but what interests him is not simply the difference between entities and their being but what enables us to make this distinction in the first place, that is, being itself. Notoriously, Heidegger accuses the philosophical tradition of neglecting this non-ontotheological, enabling condition. This Element reconstructs and critiques Heidegger's conception of metaphysics as ontotheological. It then examines his non-ontotheological understanding of being itself, God, and divinity.