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Debt - Additional Information (Detail) - USD ($)	1 Months Ended	12 Months Ended
Debt - Additional Information (Detail) - USD ($)	Nov. 30, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Fixed-rate notes, gross principal amount		$ 5,438,000,000	$ 5,938,000,000
Weighted average interest rate - Hess Corp public notes		5.90%	6.00%
Additional secured debt allowed to be borrowed		$ 3,098,000,000
Capitalized interest		20,000,000	$ 86,000,000	$ 61,000,000
Debt instrument redemption amount		$ 553,000,000
Terminated interest rate swaps		terminated interest rate swaps with a notional amount of $350 million
Amount of terminated interest rate swaps		$ 350,000,000
Loss on debt extinguishment		53,000,000	0	148,000,000
Proceeds from asset sales		607,000,000	3,296,000,000	140,000,000
Letters of credit – Issued		284,000,000	$ 246,000,000
Midstream
Debt Instrument [Line Items]
Revolving credit facility - Capacity	$ 600,000,000			$ 400,000,000
Revolving credit facility expiration date	Nov. 30, 2022
Term Loan A facility - Term	5 years
Borrowings - Term Loan A	$ 200,000,000	$ 197,500,000
Revolving credit facility - Term	5 years
Leverage ratio - Maximum	500.00%
Secured leverage ratio - Maximum	375.00%
Midstream \| Minimum
Debt Instrument [Line Items]
Interest coverage ratio - Minimum		225.00%
London Interbank Offered Rate (LIBOR) \| Midstream \| Minimum
Debt Instrument [Line Items]
Interest rate applicable margin	1.55%
London Interbank Offered Rate (LIBOR) \| Midstream \| Maximum
Debt Instrument [Line Items]
Interest rate applicable margin	2.50%
Revolving Credit Facility
Debt Instrument [Line Items]
Revolving credit facility - Capacity		$ 4,000,000,000
Revolving credit facility expiration date		Jan. 31, 2021
Revolving credit facility – Interest rate		1.30% above the London Interbank Offered Rate
Debt instrument covenant, description		The facility contains a financial covenant that limits the amount of the total borrowings on the last day of each fiscal quarter to 60% of the Corporation’s total capitalization, defined as total debt plus stockholders’ equity.
Debt instrument covenant, percentage		60.00%
Revolving credit facility - Outstanding amount		$ 0
Letters of credit – Issued		0
Revolving Credit Facility \| Hess Midstream Partners LP
Debt Instrument [Line Items]
Revolving credit facility - Capacity		$ 300,000,000
Revolving credit facility - Term		4 years
Leverage ratio - Maximum		450.00%
Revolving Credit Facility \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Interest rate applicable margin		1.30%
Revolving Credit Facility \| London Interbank Offered Rate (LIBOR) \| Hess Midstream Partners LP
Debt Instrument [Line Items]
Interest rate applicable margin		1.275%
Revolving Credit Facility \| London Interbank Offered Rate (LIBOR) \| Midstream \| Minimum
Debt Instrument [Line Items]
Interest rate applicable margin	1.275%
Revolving Credit Facility \| London Interbank Offered Rate (LIBOR) \| Midstream \| Maximum
Debt Instrument [Line Items]
Interest rate applicable margin	2.00%
Floating, Storage and Offloading Vessel
Debt Instrument [Line Items]
North Malay Basin, offshore Peninsular Malaysia - Hess operated interest		50.00%
Proceeds from asset sales		$ 260,000,000
Lease description		The lease agreement is for 16 years with four consecutive twelve-month renewal options that may be exercised at our discretion.
Carrying value of lease asset		$ 264,000,000
Capital leases carrying value		$ 269,000,000
Ratio of present value of future minimum lease payments to carrying value of lease obligation		100.00%
Capital lease obligation included in current maturities of long-term debt		$ 15,000,000
Capital lease obligation included in long-term debt		254,000,000
Gain or loss on sale of transaction		0
8.125% Notes Due 2019
Debt Instrument [Line Items]
Debt instrument redemption of principal amount		$ 350,000,000
Debt instrument interest rate		8.125%
Debt instrument maturity year		2019
Carrying value of purchased debt		$ 150,000,000
Commitments Available for Final Year \| Revolving Credit Facility
Debt Instrument [Line Items]
Revolving credit facility - Capacity		$ 3,700,000,000
5.625% Senior Notes Due in 2026 \| Midstream
Debt Instrument [Line Items]
Debt instrument interest rate	5.625%
Unsecured debt issued	$ 800,000,000
Debt instrument maturity year	2026-02