English for Today by Ganiu Abisoye Bamgbose (Dr GAB)
DETAIL or DETAILS?
Discuss, ~in details~, the Gricean Principles (nonstandard).
Discuss, *in detail*, the Gricean Principles (standard).
Detail as an uncountable noun refers to the small features of something that you only notice when you look carefully.
Let the secretary get your ~detail~ today (nonstandard).
Let the secretary get your *details* today (standard).
Details about someone or something are facts or pieces of information about them.
GAB
No comment