Complex sentence: The company's name was changed to Walt Disney, Inc. (WDI) on December 16,1952, and its purpose was changed to supposedly produce TV shows; however, he soon started the Disneyland designing and engineering division within WDI.
Split into simpler sentences: The company's name was changed to Walt Disney, Inc. (WDI) on December 16,1952, and its purpose was changed to supposedly produce TV shows. However, he soon started the Disneyland designing and engineering division within WDI.