Liberalism is not a conservative ideology. You are confused. Read the Wikipedia article on conservativism at the very least. Conservatism is a pro-royalist, monarchich and aristocratic philosophy that emerged explicitly as a reaction to liberalism.

Conservatism and liberalism are both in favor of billionaires, they disagree on where power lies and who can be billionaires. Conservatives believe royals and hereditary aristocrats with royal backing can be billionaires. Liberals believe merchants can be billionaires.