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Use Flexible reports, including filtering Billable hours (support for other Worklog Attributes may be added on your demand):
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Please note, in case of Tempo token set in config, logging time via Timesheet app does not allow to specify Tempo Worklog Attributes or billable/non-billable hours and Worklog Visibility.
However, since 21st of June, 2022, it is possible to filter and aggregate worklogs by Tempo Work Attributes. Note, work has to be logged in Tempo though.
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Additionally, REST api supports billableWorklogs query param and Tempo worklog attributes.
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