This is the definition of TR.TotalReturn field from Data Item Browser.
And I believe that it does not include fees (different service providers have different fees? so it does not make sense)
This forum is not the best place to ask about content questions.
For an authoritative answer to any content questions, the best resource is the Refinitiv Content Helpdesk.
The moderators here do not have deep expertise in every type of content available through Eikon.
The Refinitiv Content Helpdesk can be reached using Contact Us capability in your Eikon application.
Or by calling the Helpdesk number in your country.
Or at https://my.refinitiv.com/