Hi Karen - Good to see this post from you, and hope you had a Happy 4th!
My team have a few ideas around this. In subsidiary divisions configure accounting rules to post to separate I/C accounts for AP, AR, Revenue, COGS, etc. As part of the group consolidation config (consolidation division) map both I/C AP & I/C AR to the same line, Revenue and COGS to the same line and so on.
Not experts, but hope this helps. Do let me know if you want to Read more...jump on a call.