Apple.com/Bill Scam

Are these legitimate purchases for things you bought? I believe that legitimate credit card charges from Apple often start off with "APPLE.COM/BILL" (as in, a bill from Apple, Inc.) and that the location may vary. In the U.S., it is often Cupertino (Apple worldwide headquarters), but in some other parts of the world, it might be some regional center in Ireland. Usually any detailed itemization of what you bought is in your purchase history and/or separate e-mail that you got from Apple – and Apple might bill your card some days after the actual purchase (especially in the case of music, movies, and apps where they are trying to save up multiple purchases to put onto one card transaction).

I would suggest reviewing your purchase and billing history. If you don't recognize these as legitimate charges after doing this, I would suggest contacting Apple Support and your bank.

If you don't recognize a charge - Apple Support

I do not know what the laws are like where you live, but in the U.S., you can dispute credit card charges after making a good-faith effort to resolve issues. If the credit card bank agrees with you, they can reverse the charges.

It could be Phishing

• Beware of --> Phishing and other Suspicious Emails 
• Know how to --> Identify legitimate emails from the App Store or iTunes Store 
• Avoid phishing emails, fake 'virus' alerts, phony support calls, and other scams —> Use these tips to avoid scams and learn what to do if you think your Apple ID has been compromised.

How to see what you've been charged for

• To see your purchase history, go to reportaproblem.apple.com.
• Sign in with your Apple ID.
• A list of purchases will appear. To see family members' purchases, select the Apple ID button and choose a family member.
• To see the full receipt, including tax, tap or click the date.

If you don't recognise a charge - Apple Support (IN)

Report an unknown transaction or dispute a charge. On your iPhone, open the Wallet app and tap Apple Card. Scroll down and tap the transaction that you want ...

If you see an Apple Services charge you don't recognize on ...

Unknown Charge?

1. App Purchase
   1. Curious about a Charge? --> If you see an 'itunes.com/bill' or an unfamiliar charge on your statement
   2. If you have an issue with an app on the App Store or billing --> Request a refund for an App Store or iTunes Store
2. Subscriptions
   1. You may view a subscription to an app --> See or cancel your subscriptions - Apple Support
   2. You can also request a refund for a recent renewal of an in-app subscription purchase 

Avoid accidental purchases

1. If it is your device then, please --> Use Guided Access with iPhone, iPad, and iPod touch - Apple ... before handing over a device to a child.
2. If it is your child's device then in the future, enable the Ask to Buy feature --> Request and make purchases with Ask to Buy - Apple Support