QB Issue Resolution:

The Bank detail type in the Chart of Accounts is for the International versions of QBO. Since you’re using QBO in Australia, you can use Cash and cash Equivalents as the Detail Type. I’ve edited my answer above to ensure that you can follow the correct type to use when setting up a new account.

Resolution for Issue 'There is no “bank” account type to choose from when setting up a new chart of account? (I can only choose “Cash and cash equivalents”?' available: Yes (Solved).
Source: Intuit Community forum.

There is no “bank” account type to choose from when setting up a new chart of account? (I can only choose “Cash and cash equivalents”?: this issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.

Support for cash equivalents
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Error Recovery for cash equivalents [Canada]
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