What is the charge PP*Apple.com/bill ?

If there are no charges or purchases listed under your account, then there is the possibility that the "bill" is from scammers. Check with your bank as well and if there are no purchases from Apple, then ignore the scam attempt. To be safe, change your passwords until you figure out if someone is using your credit card or just hoping you will fall for the scam.

By the way, these are public online forums, so never reveal any private sensitive information here.

Apple.com/bill appears on your billing statement when you buy an app, music, movie, or other content from Apple. It also appears when a subscription renews and when a family member buys apps or content from Apple.

The following support article can help you identify what you were charged for: If you see 'apple.com/bill' on your billing statement - Apple Support