The breakdown on a balance sheet account is not correct. The total is correct but the breakdown is not. How can I correct this?

without more detail, maybe the report in a pdf format, not much help here

Thank you for posting, @ppotter. 

When generating a Balance Sheet report, it will be coming from the transactions that you’ve entered or added in the account. Also, you can go through to each transaction you’re having a problem with.

You can also change the method of your report. The cash method will count the income and expenses the time you got the payment or paid the bill. The accrual method will have the income and expenses the moment you sent the invoice or got the bill.

See the steps below on how to change the method of your report:

1. Run your Balance Sheet report.
2. Choose either Cash or Accrual under the Accounting method.
3.  Click on the Run report button once you’re done. 

See this article for detailed guidance: Choose between cash and accrual accounting methods in reports. Also, the following article about the troubleshooting steps to take to resolve common Balance Sheet issues: Basic troubleshooting for balance sheets.

I'm always here if you need further assistance with your report by leaving a comment below. Take care and have a wonderful day!