Hello there,

I appreciate you sharing with us the issue you're having when changing the detail type in the chart of accounts. Allow me to chime in and help you get back on track in QuickBooks Online.

I recommend following the recommendation of my colleague @Adrian_A to isolate and resolve the issue. The steps usually resolve unusual behaviors like the one encountered on this thread.

If the problem continues, please proceed with contacting our QuickBooks Support Team. They can further investigate the issue going on within the chart of accounts.

Our support for Plus, Essentials, Simple Start is available from 6 AM - 6 PM PT (Monday - Friday) and 6 AM - 3 PM PT (Saturday). For Advanced, any time, any day.

Here's how you can reach them:

1. Click the Help tab in the upper-right corner.
2. Go to the Assistant tab.
3. Click Get help from a human.
4. Choose Chat with us or Have us call you.

Also, each account has a transaction history that breaks down how much money you have or owe. I have a link here that I want to share for additional guidance in setting it up correctly in QuickBooks: Learn about the chart of accounts in QuickBooks Online.

Let us know if you still need more assistance managing the chart of accounts by leaving a reply. Take care, and have a great rest of the day.