Debt - Maturity Profile of Total Debt (Detail) $ in Millions	Dec. 31, 2020 USD ($)
Debt Instrument [Line Items]
2021	$ 10
2022	20
2023	1,030
2024	824
2025	0
Thereafter	6,488
Total Borrowings	8,372
Less: Deferred financing costs and discounts	(76)
Total Debt (excluding interest)	8,296
Hess Corporation
Debt Instrument [Line Items]
2021	0
2022	0
2023	1,000
2024	300
2025	0
Thereafter	5,138
Total Borrowings	6,438
Less: Deferred financing costs and discounts	(52)
Total Debt (excluding interest)	6,386
Midstream
Debt Instrument [Line Items]
2021	10
2022	20
2023	30
2024	524
2025	0
Thereafter	1,350
Total Borrowings	1,934
Less: Deferred financing costs and discounts	(24)
Total Debt (excluding interest)	$ 1,910

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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