Improvement
Include Subtotals in Cloud Cost Reports
By Sebastian Caparroz

Aggregate metrics at each grouping level in Cloud Cost Reports to see how categories contribute to your total bill at a glance.
With Subtotals, you can now aggregate metrics for each grouping level you add in Reports. This allows you to quickly understand how each category contributes to the total of your bill while still seeing the granularity. You can enable this by simply toggling the "Include subtotals" checkbox in the Group by section:
