Delete an apple id

Contact iTunes Store Support. They can delete it, if you really want to do that.

How to Delete an Apple ID

http://www.wikihow.com/Delete-an-Apple-ID

Apple ID: Changing your Apple ID

http://support.apple.com/kb/ht5621

Using your Apple ID for Apple services

http://support.apple.com/kb/HT4895

Apple ID: What to do after you change your Apple ID

http://support.apple.com/kb/HT5796?viewlocale=en_US&locale=en_US

iTunes Store: Associating a device or computer to your Apple ID

http://support.apple.com/kb/ht4627

iOS: Changing the signed-in iTunes Store Apple ID Account

http://support.apple.com/kb/ht1311

Apple ID: Security and your Apple ID

http://support.apple.com/kb/HT4232

How to Safely Delete an iCloud Account

http://9to5mac.com/2013/07/13/how-to-safely-delete-an-icloud-account-from-your-m ac-or-ios-device/

 Cheers, Tom 😉