Welcome to this conversation, @michelleli68. I appreciate you following the steps to inactivate an account shared by my colleague above.
I understand that you don't want to see deleted account in your Transactions Detail by Account report anymore. Although it's already inactive, QuickBooks still includes them in you report by automatically creating an adjustment for the balances to keep your books accurate.
For future reference about the accounts in QuickBooks Online, read through these articles:
Let me know if you have additional questions, @michelleli68. I'm always around here to help.
