The detail you dismissed may be the only clue somebody else receives.

Information looks different depending on how much of it you already have. A fact you skip because it seems minor, or obvious, or slightly embarrassing, can be the single piece that lets another person understand a situation they are seeing from much further away. You are editing on behalf of your own knowledge, not theirs. That is how people end up genuinely surprised by things that were, from the inside, entirely foreseeable.

When you next brief someone, include one thing you were about to leave out. Say why it seemed too small, and let them decide whether it was.