An embodiment of an interior trim for a motor vehicle integrating a lid for an airbag; the trim having: an inner layer, made of rigid plastic material having a behavior of a thermosetting type, which constitutes the skeleton; an intermediate layer, made of spongy plastic material that bestows softness to the touch; an outer coating layer having aesthetic purposes; and a reinforcement element, which is fixed with respect to the inner layer and involves the entire area of the lid.