When we want to express that someone elaborates or explains something in depth, we often use the phrase "goes into details". However, there are many other ways to convey this idea. Some possible synonyms for "goes into details" include delves into, expounds upon, goes deep into, fleshes out, provides a thorough analysis of, and scrutinizes. Each of these phrases conveys a slightly different nuance, such as emphasizing thoroughness, critical analysis, or exploration of a topic. By using a variety of synonyms for "goes into details", we can add variety and precision to our writing or speaking.