I was recently refunding a customer for the first time and saw not a lot of information on my page:
The issue is that I saw this WooCommerce article https://docs.woocommerce.com/document/woocommerce-refunds/ and noticed that there was a lot of order detail missing from order detail page (my screenshot). I wanted to understand why my order details are limited compared to the left major column in the standard WooCommerce as seen below: