Which country owns Chevron?

Excuse me, could you clarify for me the ownership structure of Chevron? I'm curious to know which country, if any, holds a significant stake or majority ownership in this company. Is it a privately held entity, or does a specific sovereign nation have controlling interest? Additionally, I'd like to understand if there are any international partnerships or collaborations that involve Chevron and its ownership structure. Thank you for your assistance in clarifying this matter.