delete my account

Read carefully what happens if you close and/or delete your 'current' Apple ID.

See -> How to delete your Apple ID account

How to delete your Apple ID account – Apple Support (UK)

-> Once your account has been deleted, Apple can't reopen or reactivate your account or restore your data.

See also: Understand and control the personal information that you store with Apple

Understand and control the personal information that you store with Apple - Apple Support