Impairment and Other (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Asset Impairment Charges [Abstract]
Impairment and other	$ 82	$ 0	$ 82	$ 0
Impairment and other, after tax	$ 82

The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value, and the charge against earnings for loss contingencies associated with assumed abandonment obligations, after income taxes.

No definition available.

Name:	hes_TangibleAssetImpairmentChargeAndOtherAfterTax
Namespace Prefix:	hes_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration