Cost History by Service (Meter Name/Category) - Top N
This shows the week-wise cost history as a bar chart of the top 10 high-spending services for the last 90 days by default. Its scope can be tweaked to obtain the required view. Each bar further drills down to its respective Azure Service Summary report. Use this report to obtain the service-wise spends on your Azure subscriptions. This report is located here:
Public Cloud Reports > Azure > Cost History by Service (Meter Name/Category) - Top N