うちわけ内訳uchiwake
1.

A detailed breakdown of the total amount or quantity of money or goods, categorized into specific items or components for clarity.

2.

An organized summary that outlines individual elements within a larger sum, typically used in financial contexts to specify expenditures or inventory.

3.

The act of dividing up a total into distinct parts, providing transparency about the specific contributions to an overall total.

Example:

内訳はどのようにしましょう?