v3.25.0.1

Leases - Supplemental Cash Flow Information Related to Leases (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Cash paid for amounts included in the measurement of lease obligations:
Cash paid for operating leases (operating cash flows)	$ 401	$ 254	$ 126
Cash paid for finance leases (operating cash flows)	13	15	18
Cash paid for finance leases (financing cash flows)	22	21	19
Noncash transactions:
Operating Leases - Leased assets recognized for new lease obligations incurred	40	267	294
Finance Leases - Leased assets recognized for new lease obligations incurred	0	0	0
Operating Leases - Changes in leased assets and lease obligations due to lease modifications	239	97	16
Finance Leases - Changes in leased assets and lease obligations due to lease modifications	$ 0	$ 0	$ 0

Cash paid for amounts included in measurement of lease obligations.

+ References

No definition available.

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Balance Type:	na
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- Definition

Amount of cash outflow for principal payment on finance lease, before any recovery from partners

+ References

No definition available.

+ Details

Name:	hes_FinanceLeaseGrossPrincipalPayment
Namespace Prefix:	hes_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Non cash transactions.

+ References

No definition available.

+ Details

Name:	hes_NonCashTransactionsAbstract
Namespace Prefix:	hes_
Data Type:	xbrli:stringItemType
Balance Type:	na
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- Definition

Right of Use Asset, Finance Lease, Changes in Lease Assets and Lease Obligations Due to Lease Modifications

+ References

No definition available.

+ Details

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

- Definition

Right of Use Asset, Operating Lease, Changes in Lease Assets and Lease Obligations Due to Lease Modifications

+ References

No definition available.

+ Details

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

- Definition

Amount of interest expense on finance lease liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 53
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479589/842-20-55-53

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 4
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-4

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-4

+ Details

Name:	us-gaap_FinanceLeaseInterestExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 5
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-5

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (g)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-4

+ Details

Name:	us-gaap_OperatingLeasePayments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of increase in right-of-use asset obtained in exchange for finance lease liability.

+ References

+ Details

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

- Definition

Amount of increase in right-of-use asset obtained in exchange for operating lease liability.

+ References

+ Details

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

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