Account Transaction

See each of the steps in the following instructions. They include information on contacting Apple Support if the other steps don't help: If you see 'apple.com/bill' or an unfamiliar charge on your statement - Apple Support

If you see 'apple.com/bill' or an unfamiliar charge on your statement - Apple Support explains how to "Investigate charges that you see on your bank, credit card, debit card, or mobile billing statement."