# Bills

List generated monthly bills or query aggregated usage line items for a posting period.

## Choose a task

| Task | Page | Description |
| --- | --- | --- |
| List monthly bills | [List monthly bills](list.md) | List monthly bills for an account, from newest to oldest billing period. |
| List monthly bill usage line items | [List monthly bill usage line items](line-items.md) | Group rated usage by posting period and return bill usage line items. |

```{toctree}
:hidden:
:maxdepth: 1

List monthly bills <list>
List monthly bill usage line items <line-items>
```