Microsoft rolling out a new billing portal dubbed Microsoft Your Account, which replaces the old portal (http://billing.microsoft.com/). According to the help page, the portal "will allow you to view at once all of your purchases, payments, subscriptions and accounts from various Microsoft services including Hotmail, Office, Zune, Xbox 360, Windows Phone, and Windows 8," reports Withinwindows.
According to Microsoft, the site is still current under construction and that some features "are not completely migrated".
In addition, references to Microsoft Points is still available on the site.
The new Microsoft Your Account portal is available here.