The article highlights the formation and ideological foundations of the political ideology of modern neoconservatism in the United States on the basis of the analysis of scientific literature. By the late twentieth and early twenty-first centuries, the ideology of neoconservatism had a special place in the political life of the United States. In certain periods, the state had a significant influence on political decision-making. In particular, during the government of the Republican party in the United States, neoconservatism takes priority in the formation of domestic and foreign policy concepts. The ideology of neoconservatism of the United States is characterized by such characteristics as the promotion of democracy in the world, interference in political processes in different regions, the widespread use of military means in the system of global ideological processes. In particular, in the last decades, the foreign policy of the United States in different regions has become more neoconservative. The influence of neoconservatism ideologists on the formation of foreign political approaches aimed at the fight against terrorism and the decision-making of democratic values in states with authoritarian regimes was strong, and in the discourse of ideological-political processes, geo-ideological struggle in the Middle East region also demonstrated that neoconservatism has its influence. Research in the field of neoconservatism is carried out mainly by foreign research centers, scientific institutions and "think tanks". The main attention is paid to the evolution of the external political ideology of neoconservatism. The article analyzes the evolution of the formation of the ideology of neoconservatism in the USA, its impact on domestic and foreign policy processes as a political ideology, the development trend of the views of the founders of neoconservatism, the formation and institutionalization of the neo-conservative structures based on foreign studies, scientific literature, internet sources. The article also highlights the integrative features of the formation of ideological and theoretical foundations of the ideology of neoconservatism in the United States.