Thanks for joining this thread, @BOE.

At this time, there's not a way to add custom options for Detail Types in QuickBooks Online. I'm going to submit feedback to our Product Development Team about bringing in a feature to allow customization or bring in additional options for Detail Types in accounts. You can visit our Blog to see what's new to our Products and see what's coming in the future.

If you have any additional questions or concerns, please don't hesitate and reach back out to me! Have a nice day.

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