GCP Security Command Centre (SCC) costs as well as some Marketplace costs like Fivetran show to be associated to a Project Id in CloudHealth when they are not in GCP console.
Our platform associates these services to a project id because the "GCP Non-Project Cost Reallocation" feature is enabled by default.
This feature is discussed in more details here:
https://techdocs.broadcom.com/us/en/ca-enterprise-software/it-operations-management/cloudhealth/saas/index/getting-started-with-tanzu-cloudhealth-getting-started-index/getting-started-with-tanzu-cloudhealth-managing-gcp-accounts.html