How to create remote git branch in IntelliJ IDEA
To create remote Git branch in IntelliJ idea one should:
✓ Commit and push all your changes first
✓ Create local branch by going to VCS → Git → Branches → New Branch. You can see your local and remote branches in this menu too, as well as current active branch.
✓ After you created local branch to make it remote you need to do VCS → Git → Push, set bottom checkbox "Push current branch to alternative branch", specify your new branch (should be already there) and click "Push".
Source From Sysgears