How can I add item detail in enter bill

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In Quickbooks, we use the Account Details section to enter the item detail if the product or services have not been entered in the Products & Services section. 

However, if you have entered them in the Products & Services section, you can use the "Item Details" section to enter the details of the product. 

Read through this article for additional insights: What is the difference between Account Details and Item Details sections available in Bill, Expense, and Cheque transaction.

To start processing your bills, go to the + New button, then select Bill. Check out this article for more details about managing Accounts Payable transactions: Enter and pay bills.

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