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					(57,760)
Share-based compensation					18,792
Net income attributable to Murphy and noncontrolling interest	$ 765,649					765,649			152,445
Cash dividends paid						(89,354)
Foreign currency translation (loss) gain, net of income taxes	(135,791)						(135,791)
Retirement and postretirement benefit plans, net of income taxes							9,674
Awarded restricted stock, net of forfeitures								40,420
Purchase of treasury shares								0
Distributions to noncontrolling interest owners									(145,273)
Balance at end of period at Sep. 30, 2022	4,879,598	$ 4,708,941	$ 0	$ 195,101	887,730	5,894,965	(653,828)	(1,615,027)	170,657
Balance at beginning of period at Jun. 30, 2022					883,368	5,405,400	(554,727)	(1,616,340)	175,428
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Restricted stock transactions and other					(1,956)
Share-based compensation					6,318
Net income attributable to Murphy and noncontrolling interest	528,428					528,428			45,648
Cash dividends paid						(38,863)
Foreign currency translation (loss) gain, net of income taxes	(102,266)						(102,266)
Retirement and postretirement benefit plans, net of income taxes							3,165
Awarded restricted stock, net of forfeitures								1,313
Purchase of treasury shares								0
Distributions to noncontrolling interest owners									(50,419)
Balance at end of period at Sep. 30, 2022	4,879,598	4,708,941	0	195,101	887,730	5,894,965	(653,828)	(1,615,027)	170,657
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					(42,371)
Share-based compensation					17,925
Net income attributable to Murphy and noncontrolling interest	545,273					545,273			38,701
Cash dividends paid						(128,657)
Foreign currency translation (loss) gain, net of income taxes	(2,601)						(2,601)
Retirement and postretirement benefit plans, net of income taxes							3,347
Awarded restricted stock, net of forfeitures								28,114
Purchase of treasury shares								(75,773)
Distributions to noncontrolling interest owners									(20,052)
Balance at end of period at Sep. 30, 2023	5,512,799	5,340,031	0	195,101	869,132	6,472,114	(533,940)	(1,662,376)	172,768
Balance at beginning of period at Jun. 30, 2023					861,951	6,259,561	(495,783)	(1,586,522)	154,375
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Restricted stock transactions and other					44
Share-based compensation					7,137
Net income attributable to Murphy and noncontrolling interest	255,342					255,342			22,462
Cash dividends paid						(42,789)
Foreign currency translation (loss) gain, net of income taxes	(39,353)						(39,353)
Retirement and postretirement benefit plans, net of income taxes							1,196
Awarded restricted stock, net of forfeitures								(81)
Purchase of treasury shares								(75,773)
Distributions to noncontrolling interest owners									(4,069)
Balance at end of period at Sep. 30, 2023	$ 5,512,799	$ 5,340,031	$ 0	$ 195,101	$ 869,132	$ 6,472,114	$ (533,940)	$ (1,662,376)	$ 172,768