Drill down report not itemizing

I have a drill down SSRS report I'm working on, it coming together good so far, except one of my fields I'm pulling in is not itemizing the results. For example, I'm pulling in all orders that are shipping on time, within those there are different categories, so if we shipped 100 orders last month that were on time, some were for product A, product B, etc. I want to show that when you expand the 100 orders, it is not doing that. Yet I was able to get it to work for late orders, I just figure what I did differently.

Hope this makes sense. Thanks for any help.

Hi,

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