The ability to create a calculated field with dimensions from a multidimensional data source is not currently built into the product. As a workaround, create a calculated member instead. For more information, seeHow to Create a Calculated Member in Tableau Help.
One formula that might possibly work for the desired outcome is the following:
Thank you very much for your guidance.
I have created calculated members and this is not solving my problem statement.
Could you please suggest/guide any other workaround if you know?