Statement of Consolidated Equity - USD ($) $ in Millions	Total	Mandatory Convertible Preferred Stock	Common Stock	Capital in Excess of Par	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Total Hess Stockholders' Equity	Noncontrolling Interests
Balance at Dec. 31, 2017	$ 12,354	$ 1	$ 315	$ 5,824	$ 5,597	$ (686)	$ 11,051	$ 1,303
Cumulative effect of adoption of new accounting standards at Dec. 31, 2017	0	0	0	0	1	(1)	0	0
Net income (loss)	(152)	0	0	0	(236)	0	(236)	84
Other comprehensive income (loss)	165	0	0	0	0	165	165	0
Share-based compensation	48	0	1	47	0	0	48	0
Dividends on preferred stock	(23)	0	0	0	(23)	0	(23)	0
Dividends on common stock	(153)	0	0	0	(153)	0	(153)	0
Common stock acquired and retired	(880)	0	(16)	(370)	(494)	0	(880)	0
Noncontrolling interests, net	(23)	0	0	0	0	0	0	(23)
Balance at Jun. 30, 2018	11,336	1	300	5,501	4,692	(522)	9,972	1,364
Balance at Mar. 31, 2018	11,937	1	308	5,701	5,166	(571)	10,605	1,332
Net income (loss)	(87)	0	0	0	(130)	0	(130)	43
Other comprehensive income (loss)	49	0	0	0	0	49	49	0
Share-based compensation	35	0	0	35	0	0	35	0
Dividends on preferred stock	(12)	0	0	0	(12)	0	(12)	0
Dividends on common stock	(75)	0	0	0	(75)	0	(75)	0
Common stock acquired and retired	(500)	0	(8)	(235)	(257)	0	(500)	0
Noncontrolling interests, net	(11)	0	0	0	0	0	0	(11)
Balance at Jun. 30, 2018	11,336	1	300	5,501	4,692	(522)	9,972	1,364
Balance at Dec. 31, 2018	10,888	1	291	5,386	4,257	(306)	9,629	1,259
Net income (loss)	109	0	0	0	26	0	26	83
Other comprehensive income (loss)	(342)	0	0	0	0	(342)	(342)	0
Preferred stock conversion	0	(1)	12	(11)	0	0	0	0
Share-based compensation	61	0	1	60	0	0	61	0
Dividends on preferred stock	(4)	0	0	0	(4)	0	(4)	0
Dividends on common stock	(154)	0	0	0	(154)	0	(154)	0
Sale of water business to Hess Infrastructure Partners	0	0	0	78	0	0	78	(78)
Noncontrolling interests, net	(27)	0	0	0	0	0	0	(27)
Balance at Jun. 30, 2019	10,531	0	304	5,513	4,125	(648)	9,294	1,237
Balance at Mar. 31, 2019	10,553	0	304	5,481	4,207	(650)	9,342	1,211
Net income (loss)	34	0	0	0	(6)	0	(6)	40
Other comprehensive income (loss)	2	0	0	0	0	2	2	0
Share-based compensation	32	0	0	32	0	0	32	0
Dividends on common stock	(76)	0	0	0	(76)	0	(76)	0
Noncontrolling interests, net	(14)	0	0	0	0	0	0	(14)
Balance at Jun. 30, 2019	$ 10,531	$ 0	$ 304	$ 5,513	$ 4,125	$ (648)	$ 9,294	$ 1,237