A washing machine includes a cabinet, a tub disposed within the cabinet, and a detergent supplier configured to supply detergent to the tub, wherein the detergent supplier includes a detergent container, and a detergent pump dockable with the detergent container, the detergent pump includes a first case including a detector having at least a portion located within the detergent container, an inlet portion formed to allow detergent to be introduced from the detergent container, and an outlet portion formed to allow the detergent introduced through the inlet portion to be discharged, a second case couplable to the first case, the second case including a terminal electrically connectable to the detector, and a pump configured to draw in detergent through the inlet portion and discharge the drawn-in detergent through the outlet portion.