Apple CEO Tim Cook, Walmart CEO Doug McMillon, Disney CEO Bob Iger and OpenAI CEO Sam Altman were pictured entering the lodge.

• Top executives from tech, media and finance gathered in Sun Valley, Idaho, for Allen & Co.'s annual conference this week.
• The gathering is often referred to as "summer camp for billionaires."
• Apple CEO Tim Cook, Walmart CEO Doug McMillon, Disney CEO Bob Iger and OpenAI CEO Sam Altman were pictured entering the lodge.