CBS is a media conglomerate operating primarily in the U.S. CBS' television assets include the CBS television network, 30 local TV stations, and 50% of CW, a joint venture between CBS and Time Warner. The company also owns Showtime and Simon & Schuster. CBS spun off its cable networks and movie studios to Viacom in 2006 and completed the spin-out of its outdoor advertising business in 2014 and and its radio division in 2017.