What is the difference between idioms and hyperboles?
Hyperboles are exaggerated statements that are not meant to be understood literally, whereas idioms are usually popular or common phrases that are not as easy to understand right away. See explanation.
As you can see, idioms differ from hyperboles. Hyperboles are obvious exaggerations. Idioms are phrases or sentences that cannot be understood with the separate words of its own, but has a meaning nonetheless.