The painting stolen appears to be "One: Number 31" by Jackson Pollock. The actual painting is in the Museum of Modern Art in New York City. It has an undisclosed insurance value, though it is estimated to be in excess of $200 million.
In a scene at the harbor, Kate Beckinsale is required to say goodbye to Mark Wahlberg, put their kids in the car, and drive away. Only when they came to shoot the scene did the producers learn that Kate doesn't drive.