Apple Inc. is planning to spend $500 billion during the next four years to increase its operations in the U.S., and part of that money will be spent in Arizona.

While specific dollar amonths were not deliniated by the Cupertino, California-based company, the company said in a press release on Monday that its data center operations in Arizona would be expanded and it would increase funding for the Taiwan Semiconductor Manufacturing Co. project in north Phoenix.

The TSMC project would be part of an increase in Apple's U.S. Advanced Manufacturing Fund from $5 billion to to $10 billion. Apple has contracted with TSMC to produce advanced chips for its devices at the north Phoenix plant comes with a multibillion-dollar committment, the company said in it's press release.

The funds are among myriad plans Apple has for the next several years to put money into advanced manufacturing and research and development. It includes a new product line for servers in Houston, expansion of data centers across the U.S., and money for an Apple Manufacturing Academy in Detroit.

“We are bullish on the future of American innovation, and we’re proud to build on our long-standing U.S. investments with this $500 billion commitment to our country’s future,” said Tim Cook, Apple’s CEO, said in the press release.

TSMC is one of Apple's biggest suppliers of chips, making silicon for all the company's devices. It will be the north Phoenix fab's largest customer.

Apple also has a 1.3 million-square-foot data center in Mesa that handles operations for its services.