We don't recommend this.

Account types have logical meanings that affect the internal operations of Accounting.

Use Account Groups or Report Configuration to split and/or group accounts.

Learn how to customize financial reports at https://www.odoo.com/documentation/16.0/applications/finance/accounting/reporting/overview/customize.html and more about account groups at https://www.odoo.com/documentation/16.0/applications/finance/accounting/getting_started/initial_configuration/chart_of_accounts.html#account-groups