What is an International Driving Licence? An International Driving Licence (IDL) is a document that allows you to drive a vehicle in another country. If you plan to go to a country other than your own, you will need an IDL. You can apply for an IDL through your country's local motor vehicle department. There are many benefits of having an IDL. One advantage is that renting a car in another country is more accessible. Many car rental companies require customers to have an IDL. Another benefit is that it can help you avoid getting a traffic ticket in another...