इस तरह कोशिश करें..
DELETE c, o, od
FROM customers as c
JOIN orders as o ON c.id = o.customers_id
JOIN order_detail as od ON o.id = od.orders_id
WHERE c.id IN (66,67,68,90,85,81,80,78,76,74,71,118,113,110,149)
अधिक संदर्भ के लिए http://dev.mysql.com/doc/ refman/5.7/hi/delete.html