XML 130 R109.htm IDEA: XBRL DOCUMENT v3.24.0.1

SUPPLEMENTAL INFORMATION ON OIL AND GAS EXPLORATION AND PRODUCTION ACTIVITIES (UNAUDITED) - Schedule of Future Costs to Settle Asset Retirement Obligations (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Extractive Industries [Abstract]
Future asset retirement obligations	$ 229	$ 222	$ 205

X

- Definition

Asset Retirement Obligation, Future Cost

+ References

No definition available.

+ Details

Name:	gpor_AssetRetirementObligationFutureCost
Namespace Prefix:	gpor_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	srt_ExtractiveIndustriesAbstract
Namespace Prefix:	srt_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration