Retirement Plans - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]
Retirement benefits, description		Additionally, we maintain an unfunded post-retirement medical plan that provides health benefits to certain U.S. qualified retirees from ages 55 through 65.
Settlement loss		$ (17)	$ (2)	$ (9)
Budgeted contributions to funded pension plans for next year		25
Expense for defined contribution plans		$ 24	22	$ 18
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]		Other, net
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Excluding Service Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]		Other, net
Scenario Forecast
Defined Benefit Plan Disclosure [Line Items]
Service costs	$ 40
Net non-service pension costs	65
Interest costs	90
Expected return on plan assets	$ 155
Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Target allocation percentage for plan assets		30.00%
Fixed Income Securities
Defined Benefit Plan Disclosure [Line Items]
Target allocation percentage for plan assets		50.00%
Other Types of Investments
Defined Benefit Plan Disclosure [Line Items]
Target allocation percentage for plan assets		20.00%
Lump sum Payment
Defined Benefit Plan Disclosure [Line Items]
Plan settlements		$ 143
Hess Corporation Employees' Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Settlement loss		$ 17	13
Hess Corporation Employees' Pension Plan | Single Premium Annuity Contract
Defined Benefit Plan Disclosure [Line Items]
Plan settlements			166
Hovensa Legacy Employees' Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Settlement loss			11
Defined Benefit Plan, Benefit Obligation			15
Hovensa Legacy Employees' Pension Plan | Single Premium Annuity Contract
Defined Benefit Plan Disclosure [Line Items]
Plan settlements			80
Hovensa Legacy Employees' Pension Plan | Lump sum Payment
Defined Benefit Plan Disclosure [Line Items]
Plan settlements			$ 20