Stern, who joined the iPhone maker from Time Warner Cable in 2016, will leave at the end of the month, according to the report. Apple did not immediately respond to a Reuters request for comment. A prominent media executive, Stern oversaw an expansion of Apple's paid subscription businesses, particularly its television offering, Apple TV+.The services business features News+, Fitness+ and iCloud+, among other subscription services, a key focus for Apple as it looks to diversify revenue away from gadget sales. The unit generated $19.19 billion in the fourth quarter ended September, up 5% from the previous year.    The Insider report said Apple is reorganizing its services unit and Stern's responsibilities will be split into three separate divisions. (Reporting by Yuvraj Malik in Bengaluru; Editing by Devika Syamnath)