1. A small, unimportant fact or aspect of something that does not significantly affect the overall situation or outcome
The spelling error was just a minor detail in the overall report.
O erro de ortografia era apenas um detalhe menor no relatório geral.
2. An insignificant piece of information that can be overlooked or disregarded
Don't worry about the color of the packaging; it's just a minor detail.
Não se preocupe com a cor da embalagem; é apenas um detalhe menor.