CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($) $ in Thousands	Total	Murphy Shareholders’ Equity	Cumulative Preferred Stock	Common Stock	Capital in Excess of Par Value	Retained Earnings	Accumulated Other Comprehensive Loss	Treasury Stock	Noncontrolling Interest
Balance at beginning of period at Dec. 31, 2021					$ 926,698	$ 5,218,670	$ (527,711)	$ (1,655,447)	$ 163,485
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Restricted stock transactions and other					(55,804)
Share-based compensation					12,474
Net income	$ 237,221					237,221			106,797
Cash dividends paid						(50,491)
Foreign currency translation (loss) gain, net of income taxes	(33,525)						(33,525)
Retirement and postretirement benefit plans, net of income taxes							6,509
Awarded restricted stock, net of forfeitures								39,107
Distributions to noncontrolling interest owners									(94,854)
Balance at end of period at Jun. 30, 2022	4,488,230	$ 4,312,802	$ 0	$ 195,101	883,368	5,405,400	(554,727)	(1,616,340)	175,428
Balance at beginning of period at Mar. 31, 2022					880,537	5,082,034	(506,355)	(1,618,478)	171,451
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Restricted stock transactions and other					(3,415)
Share-based compensation					6,246
Net income	350,557					350,557			58,947
Cash dividends paid						(27,191)
Foreign currency translation (loss) gain, net of income taxes	(51,545)						(51,545)
Retirement and postretirement benefit plans, net of income taxes							3,173
Awarded restricted stock, net of forfeitures								2,138
Distributions to noncontrolling interest owners									(54,970)
Balance at end of period at Jun. 30, 2022	4,488,230	4,312,802	0	195,101	883,368	5,405,400	(554,727)	(1,616,340)	175,428
Balance at beginning of period at Dec. 31, 2022	5,148,893				893,578	6,055,498	(534,686)	(1,614,717)	154,119
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Restricted stock transactions and other					(42,415)
Share-based compensation					10,788
Net income	289,930					289,930			16,239
Cash dividends paid						(85,867)
Foreign currency translation (loss) gain, net of income taxes	36,752						36,752
Retirement and postretirement benefit plans, net of income taxes							2,151
Awarded restricted stock, net of forfeitures								28,195
Distributions to noncontrolling interest owners									(15,983)
Balance at end of period at Jun. 30, 2023	5,388,683	5,234,308	0	195,101	861,951	6,259,561	(495,783)	(1,586,522)	154,375
Balance at beginning of period at Mar. 31, 2023					857,000	6,204,217	(529,919)	(1,588,841)	167,110
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Restricted stock transactions and other					(2,321)
Share-based compensation					7,272
Net income	98,286					98,286			(6,431)
Cash dividends paid						(42,942)
Foreign currency translation (loss) gain, net of income taxes	33,083						33,083
Retirement and postretirement benefit plans, net of income taxes							1,053
Awarded restricted stock, net of forfeitures								2,319
Distributions to noncontrolling interest owners									(6,304)
Balance at end of period at Jun. 30, 2023	$ 5,388,683	$ 5,234,308	$ 0	$ 195,101	$ 861,951	$ 6,259,561	$ (495,783)	$ (1,586,522)	$ 154,375