Net Other Postemployment Benefit (OPEB) Asset is the amount in excess of the amount owed to a defined benefit OPEB plan based on the actuarial present value (or other method) of the projected benefit payments for plan members and their beneficiaries less the plan’s net position. Net OPEB Liability is the amount owed to a defined benefit OPEB plan based on the actuarial present value (or other method) of the projected benefit payments for plan members and their beneficiaries less the plan’s net position.