The Timesheet Analyzer report provides summary and detailed information about time tracked in the Project Online timesheets.  There are filters to focus on specific timesheet period(s), timesheet approver(s), role(s), and timesheet status(es).  Report level filters include Portfolio, Program, Project, Project Owner, Status, and Timesheet Owner.

This Committed vs Actuals page shows detailed hours broken down by committed work (engagements), work (task assignments), and actual work (timesheet).