What can I do if my iCloud storage bill is not deducted?

We can't know. We are not Apple but end users like you and have no access to their databases. For what are they supposed for be deducting 99¢ that is not happening?

See what charges show in your purchase history:

View your purchase history for the App Store, iTunes Store, and other Apple media services - Apple Support

If the does not help you see what is happening, you will need fo contact Apple and they will not see your question here.

I'm 72 and a dinosaur : )

I'm 76 and have also been accused of having such prodigious forebears, but have used computers since my university days! 😉 So, welcome!

Many of the senior contributors here are just that—seniors. Medicare cards and ibuprofen abound!

Really, you need to talk with Apple. Such financial issues are beyond the scope of a user-to-user forum where we are not privy to Apple's accounting procedures.

There is a "contact support" link at the very bottom of the support page I linked in my first response (click the bit in blue type).