Expected Proceeds From Divestiture Of Businesses And Interests In Affiliates

No definition available.

Name:	hes_ExpectedProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates
Namespace Prefix:	hes_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Liabilities Held For Sale Not Part Of Disposal Group Current

+ References

No definition available.

+ Details

Name:	hes_LiabilitiesHeldForSaleNotPartOfDisposalGroupCurrent
Namespace Prefix:	hes_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of assets held-for-sale that are not part of a disposal group, expected to be sold within a year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 852
-SubTopic 10
-Section 55
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=84165509&loc=d3e56426-112766

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 15
-Paragraph 4
-Subparagraph (b)(2)
-URI http://asc.fasb.org/extlink&oid=123398962&loc=d3e400-110220

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_LongLivedAssetsHeldForSaleLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongLivedAssetsHeldForSaleByAssetTypeAxis=country_DK
Namespace Prefix:
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Balance Type:
Period Type:

Property, Plant, and Equipment - Assets Held for Sale - Additional Information (Details) - USD ($) $ in Millions	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020
Long Lived Assets Held-for-sale [Line Items]
Assets held for sale	$ 228		$ 0
Liabilities held for sale	139		$ 0
Asset Held For Sale \| Denmark
Long Lived Assets Held-for-sale [Line Items]
Expected proceeds from divestiture of businesses and interest in affiliates		$ 150
Assets held for sale	228
Liabilities held for sale	$ 139