'hear the idea' is correct and usable in written English.
You can use this phrase when you want to refer to listening to someone's opinion, suggestion or thought. For example: "My boss asked me to hear the idea he had before making a decision on the matter."
We just couldn't hear the idea of his watching Barney.
It's sad to hear the idea of a wall.
Most investors just want to hear the idea and run to someone else.
"How a job offer makes you feel in the first five seconds when you hear the idea, before you spend ages agonizing, is what you should do".
And we often hear the idea thrown around that "stocks are priced for perfection". The evidence would suggest anything but that.
Employees are taught not how to come up with new ideas, but rather what to do with the good ideas they come up with, from knowing who should hear the idea to what that person should be hearing.
People out there want to hear the ideas that will move this nation forward.
Alcatel is pushing a campaign that asks what would happen if there were no audiences to hear the ideas in famous speeches.
Dyer is so bound to his own idea of what jazz is, and to its popular and classical roots, that he can't hear the ideas of one of its greatest creators.
It's also a fantastic medium to hear the ideas and opinions of people I might not otherwise get to meet.
The reason for using focus group interviews was that it can facilitate an exchange of experiences and views among participants (when group members hear the ideas of others, they are more able to identify other things that could potentially help or not); we can include several participants in each interview, and thus generate richer data.
