Hilton left nearly all his money to his charitable causes. Conrad Hilton left virtually his entire estate to the Foundation. In his last will, he charged the Foundation to: relieve the suffering, the distressed, and the destitute.

Conrad Hilton, the founder of Hilton Hotels, dedicated the vast majority of his immense fortune to philanthropy. Upon his death in 1979, he famously left 97% of his estate to the Conrad N. Hilton Foundation. He was a devout Catholic and instructed the foundation to "relieve the suffering, the distressed, and the destitute" regardless of race, religion, or country. In 2026, the foundation remains a global powerhouse, managing billions of dollars and focusing on high-value initiatives like providing clean water in Africa, supporting homeless programs in Los Angeles, and aiding disaster relief efforts worldwide. His will was so focused on charity that his son, Barron Hilton, had to fight a decade-long legal battle to retain a portion of the family's voting stock in the company. Barron eventually followed his father's lead, pledging 97% of his own wealth to the foundation upon his passing in 2019, ensuring the Hilton legacy is defined by global service.