Debt - Components of Debt (Detail) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Current maturities of long-term debt	$ 10	$ 0
Long-term debt	8,286	7,142
Total Debt	$ 8,296	7,142
3.5% Due 2024
Debt Instrument [Line Items]
Coupon rate	3.50%
4.3% due 2027
Debt Instrument [Line Items]
Coupon rate	4.30%
7.9% Due 2029
Debt Instrument [Line Items]
Coupon rate	7.90%
7.3% Due 2031
Debt Instrument [Line Items]
Coupon rate	7.30%
7.1% Due 2033
Debt Instrument [Line Items]
Coupon rate	7.10%
6.0% Due 2040
Debt Instrument [Line Items]
Coupon rate	6.00%
5.6% Due 2041
Debt Instrument [Line Items]
Coupon rate	5.60%
5.8% Due 2047
Debt Instrument [Line Items]
Coupon rate	5.80%
5.6% Due 2026
Debt Instrument [Line Items]
Coupon rate	5.625%
5.125% Due 2028
Debt Instrument [Line Items]
Coupon rate	5.125%
Hess Corporation
Debt Instrument [Line Items]
Fixed-rate notes	$ 5,393	5,388
Term loan	988	0
Fair value adjustments - interest rate hedging	5	1
Total Debt	6,386	5,389
Hess Corporation \| 3.5% Due 2024
Debt Instrument [Line Items]
Fixed-rate notes	299	298
Hess Corporation \| 4.3% due 2027
Debt Instrument [Line Items]
Fixed-rate notes	994	992
Hess Corporation \| 7.9% Due 2029
Debt Instrument [Line Items]
Fixed-rate notes	464	463
Hess Corporation \| 7.3% Due 2031
Debt Instrument [Line Items]
Fixed-rate notes	628	628
Hess Corporation \| 7.1% Due 2033
Debt Instrument [Line Items]
Fixed-rate notes	537	537
Hess Corporation \| 6.0% Due 2040
Debt Instrument [Line Items]
Fixed-rate notes	741	741
Hess Corporation \| 5.6% Due 2041
Debt Instrument [Line Items]
Fixed-rate notes	1,236	1,235
Hess Corporation \| 5.8% Due 2047
Debt Instrument [Line Items]
Fixed-rate notes	494	494
Midstream
Debt Instrument [Line Items]
Term loan	395	394
Total Debt	1,910	1,753
Midstream \| Revolving Credit Facility
Debt Instrument [Line Items]
Total Debt	184	32
Midstream \| 5.6% Due 2026
Debt Instrument [Line Items]
Fixed-rate notes	789	787
Midstream \| 5.125% Due 2028
Debt Instrument [Line Items]
Fixed-rate notes	$ 542	$ 540

Interest rate hedging fair value accumulated adjustments.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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- 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.

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- Definition

Represents the aggregate of total long-term debt, including current maturities and short-term debt.

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- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of loans from a bank with maturities initially due after one year or beyond the normal operating cycle if longer.

+ References

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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

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