According to Telefónica Deutschland (O2)'s latest financial reports the company's current revenue (TTM ) is $8.73 Billion USD. In 2019 the company made a revenue of $8.23 Billion USD a decrease over the revenue in the year 2018 that were of $8.60 Billion USD. The revenue is the total amount of income that a company generates by the sale of goods or services. Unlike with the earnings no expenses are subtracted.