STATEMENT OF CONSOLIDATED COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Statement of Comprehensive Income [Abstract]
Net Income (Loss)	$ 185	$ (183)	$ 534	$ (2,812)
Derivatives designated as cash flow hedges
Effect of hedge (gains) losses reclassified to income	64	(143)	179	(435)
Income taxes on effect of hedge (gains) losses reclassified to income	0	0	0	0
Net effect of hedge (gains) losses reclassified to income	64	(143)	179	(435)
Change in fair value of cash flow hedges	(40)	(44)	(271)	732
Income taxes on change in fair value of cash flow hedges	0	0	0	0
Net change in fair value of cash flow hedges	(40)	(44)	(271)	732
Change in derivatives designated as cash flow hedges, after taxes	24	(187)	(92)	297
Pension and other postretirement plans
(Increase) reduction in unrecognized actuarial losses	0	0	3	4
Income taxes on actuarial changes in plan liabilities	0	0	0	0
(Increase) reduction in unrecognized actuarial losses, net	0	0	3	4
Amortization of net actuarial losses	16	11	48	35
Income taxes on amortization of net actuarial losses	0	0	0	0
Net effect of amortization of net actuarial losses	16	11	48	35
Change in pension and other postretirement plans, after taxes	16	11	51	39
Other Comprehensive Income (Loss)	40	(176)	(41)	336
Comprehensive Income (Loss)	225	(359)	493	(2,476)
Less: Comprehensive income (loss) attributable to noncontrolling interests	70	60	240	184
Comprehensive Income (Loss) Attributable to Hess Corporation	$ 155	$ (419)	$ 253	$ (2,660)