split hairs

English[edit]

(idiomatic) Tedious details; minutiae.
- 1999, Lev Grossman, "Microsoft Tangled Up in Videotape Evidence," Time, 4 Feb.,
  
  The Microsoft trial had been in danger of slipping out of the public eye. Its endless procession of less-than-riveting economics professors and forgetful executives, mixed with scads of legal and technical split hairs, just hasn't made for gripping headlines.

tedious details

to split hairs (third-person singular simple present splits hairs, present participle splitting hairs, simple past and past participle split hairs)

(idiomatic) To consider or argue about fine details; to worry about minutiae.

Let’s get everything sorted into the right drawers and not split hairs about subdividing it further yet.

to consider fine details