Complex sentence: Milan has won a joint record three Intercontinental Cups and one FIFA Club World Cup, seven European Cup/Champions League titles, the UEFA Super Cup a joint record five times and the Cup Winners' Cup twice.
Split into simpler sentences: Milan has won a joint record of three Intercontinental Cups and one of its successor, the FIFA Club World Cup. They have also won the UEFA Super Cup a joint record five times and the Cup Winners' Cup twice.