Which field type does Bucketing field support in Salesforce?

Bucket field in Salesforce Reports is an incredible powerful functionality used to quickly categorize values for a field in a report without the need to have a custom formula field at the object level. When you create a bucket field in Salesforce, you define multiple categories into groups depending on the record values, this bucket field will not affect other Salesforce reports. Bucket fields in Salesforce are available in Tabular reports, Summary Reports and Matrix reports. Joined Reports does not support Bucket fields.