Details to be given while posting a Defect

I know that all the experienced Testers must have knowledge on what are all the details that should be given to a developer while posting a defect. But I am writing this article for fresh testers. Anyway experienced testers, write down your comments, feed backs and valuable points which can be added from your experience. It will be more helpful for the fresh peoples who are reading this article.

1) Category of the defect
2) Defect Reproducibility
3) Severity of the defect
4) Version of the product/project
5) OS Version
6) Environment Details
7) Summary of the defect
8) Description
9) Steps to Reproduce
10) Additional Information
11) Login Details
12) Test Data
13) Actual Result
14) Expected Result
15) Screen shots for proof
16) Videos if any for reproduce