Goldman Sachs tweeted today that credit bureaus are starting to add the Apple Card to their credit reports, starting with TransUnion (via Macrumors).
Apple Card Credit Reports
The information that the Apple Card supplies to your credit report includes the date the account was opened, credit balance, and payment status.
This could be a good thing for some people, as more credit means your credit utilization should be lower.
Further Reading:
[Apple Explains its Location Data Collection on iPhone 11 Models]
[Favorite Apps and Games of 2019]