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

Cash as of the balance sheet date received as collateral against the value of contracts executed with the same counterparty.

No definition available.

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

Outstanding letters of credit total.

No definition available.

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

Percentage of corporations net receivables.

No definition available.

Name:	hes_PercentageOfCorporationsNetReceivables
Namespace Prefix:	hes_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

The aggregate fair value of additional assets that would be required to be posted as collateral for derivative instruments with credit-risk-related contingent features if the credit-risk-related contingent features were triggered at the end of the reporting period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4H

-Subparagraph (e)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624258-113959

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

The aggregate fair value amounts of derivative instruments that contain credit-risk-related contingent features that are in a net liability position at the end of the reporting period. For nonderivative instruments that are designated and qualify as hedging instruments, the fair value amounts are the carrying value of the nonderivative hedging instrument, including the adjustment for the foreign currency transaction gain (loss) on that instrument.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4H

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624258-113959