I'll ensure to help you fix this case, Mjhantsche1. Let's do some troubleshooting steps as our first resolution under the Item detail section within the Bill page QuickBooks Online.

One of the reasons why the Item Detail section isn't appearing on your bill page is that the option is hidden on your screen or due to the browser's cache interfering with tabs in QuickBooks Online.

First, ensure that the Show Items table on the expense and purchase forms option is enabled by following the steps provided by my colleague above. Once done, we can tap the Item Detail dropdown to let this display on your end.

Please refer to this screenshot below:

Second, we can log in to your account via a private browsing window. It can help us identify if the issue is related to your browser.

Here are the keyboard shortcuts:

• Google Chrome: Ctrl + Shift + N
• Mozilla Firefox: Ctrl + Shift + P
• Microsoft Edge: Ctrl + Shift + N
• Safari: Command + Shift + N

Furthermore, we can log in via other suggested troubleshooting steps, such as clearing the cache and other supported browsers in resolving this case within your company.

However, if none of these fixes the issue, I suggest contacting our QuickBooks Support Team. They possess the tools to investigate the cause and will promptly submit a ticket to our engineering team to ensure they are alerted about the issue when necessary.

Furthermore, we've included this article to assist you in understanding how to enter and manage bills and bill payments in QuickBooks Online.

I'm just a message away if you need further assistance handling your bill transaction within QuickBooks Online (QBO). Keep safe.