If you are confident enough, pitch your ideas in a more public setting like a meeting, especially if senior stakeholders are present. There also nothing wrong

If you are confident enough, pitch your ideas in a more public setting like a meeting, especially if senior stakeholders are present. There also nothing wrong with self-promotion and singing your own praise. So when discussing with others you might say something like "I got this idea and discussed with Mr Manager who liked it and added it to backlog".