Sorry... I am having problem to come up with a direct subject

I created income statement at the corprate level. I need to create the same income statement at the division level. What I am doing to to go to the "company" demention and filter data by the correct divsion. The works fine with only one problem

We only have Sales information at the corporate level, not division level. How do I make a measure "corp_sales" (or something in that nature) so that it is available at the devision level

Any suggestions?