v3.26.1
BUSINESS SEGMENTS AND GEOGRAPHIC INFORMATION - Narrative (Details)
9 Months Ended
Jun. 30, 2026
Segment Reporting [Abstract]
Number of reportable segments disclosed by definition flag
reportable operating segment
X
- Definition
Number Of Reportable Segments Disclosed By Definition Flag
+ References
No definition available.
+ Details
Name:
hp_NumberOfReportableSegmentsDisclosedByDefinitionFlag
Namespace Prefix:
hp_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration
X
- References
No definition available.
+ Details
Name:
us-gaap_SegmentReportingAbstract
Namespace Prefix:
us-gaap_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration