Change of Apple ID
How to change Apple ID on one of three synced devices
iPhone XS, iOS 16
I am not clear as to what you mean. Changing an Apple ID to another email address changes it on all devices signed into that ID. If you mean you wish to sign into a device with a different ID, see:
Read this document to learn how to sign out of iCloud on your iPhone, iPad, iPod touch, Apple TV, or Mac --> Sign out of iCloud on your iPhone, iPad, iPod touch, Apple TV, or Mac - Apple Support
Read this support article to learn how to sign in with your Apple ID on different devices--> Sign in with your Apple ID - Apple Support