Factbox: Europe agrees to make ECB chief euro zone watchdog for banks

European Union finance ministers agreed on Thursday to make the European Central Bank the chief supervisor for banks in the euro zone, a move designed to underpin the currency and its financial system.

Here are the main elements as well as what must come next:

(Reporting by John O'Donnell, Robin Emmott, Huw Jones, and Jan Strupczewski; Editing by Lisa Shumaker)