Nature of Operations, Basis of Presentation and Summary of Accounting Policies (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Nature of Operations, Basis of Presentation and Summary of Accounting Policies [Line Items]
Hess common stock conversion rate to the right to receive Chevron common stock	1.025
Contract liability	$ 0	$ 24,000,000
Deferred revenue included in contract liability at prior year end, recognized as revenue during the current reporting year	24,000,000
Contract asset	$ 0	0
Initial revenue contract period	10 years
Minimum volume commitments percentage of nominations	80.00%
Rolling period for minimum volume commitments	3
Term set for minimum volume commitments	3 years
Goodwill	$ 360,000,000	360,000,000
Reserve for estimated remediation liabilities	50,000,000
Carbon credits purchased	75,000,000	75,000,000	$ 0
Carrying value of carbon credits	$ 150,000,000	$ 75,000,000
Exploration and Production | Minimum
Nature of Operations, Basis of Presentation and Summary of Accounting Policies [Line Items]
Long-term contracts with customers remaining duration	1 year
Exploration and Production | Maximum
Nature of Operations, Basis of Presentation and Summary of Accounting Policies [Line Items]
Long-term contracts with customers remaining duration	9 years
Midstream
Nature of Operations, Basis of Presentation and Summary of Accounting Policies [Line Items]
Additional revenue contract period	10 years
Goodwill	$ 360,000,000
Hess Midstream LP
Nature of Operations, Basis of Presentation and Summary of Accounting Policies [Line Items]
Percent interest in consolidated entity	38.00%