Oracle iSetup tool is a convenient solution to manage setups and parameters, moving setup configurations between instances as required by the business. This saves the time of rebuilding similar setups on different instances for various E-Business Suite modules ( Oracle Applications Library, General Ledger, HRMS, Payroll, Workflow and more).
Questions have been raised - is iSetup able to copy data even inside the same instance? The answer is: Yes!
Check this for more details: Can iSetup Be Used to Copy Data Inside the Same Instance? (Doc ID 2016589.1)
For General Ledger you may copy setups related to: