How to change Apple ID

You can't. Everything that is tied to your Apple ID cannot be transferred by you to a new Apple ID. You would need to ask Apple to make such a transfer. They usual will not do that unless you have a very good reason for making the change.

Change your Apple ID - Apple Support

What to do after you change your Apple ID or password - Apple Support

Below is some basic information on changing your Apple ID. But read the whole document linked below. And you will need to go to your Apple ID account (appleid.apple.com) for additional information. You will lose no information. 

See Change your Apple ID https://support.apple.com/en-us/HT202667.

See this basic information:

1.   Sign out of iCloud on all of your devices, including your iPhone, Mac, Apple TV, and PC. If you use the Apple Music app on

an Android device or use the Apple TV app a smart TV, sign out of those apps.

2.   Go to appleid.apple.com and sign in.

3.   In the Account section, choose Edit.

4.   Choose Change Apple ID.

You can sign out of iCloud on one of your devices, or you can sign out on all your devices to stop using iCloud (for sign out purposes, see 1 above). Before you sign out of iCloud, make sure that you archive or make copies of the information that you store in iCloud. When you sign out of iCloud, you can't access or use the following services on your devices or 

And see What to do after you change your Apple ID or password https://support.apple.com/en-us/HT204071