DISCOVER FINANCIAL SERVICES revenue for the last year amounted to 17.30 B EUR, the most of which — 16.61 B EUR — came from its highest performing source at the moment, Digital Banking, the year earlier bringing 13.96 B EUR. The greatest contribution to the revenue figure was made by United States — last year it brought DISCOVER FINANCIAL SERVICES 17.30 B EUR, and the year before that — 14.37 B EUR.