CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($) $ in Thousands	Total	Murphy Shareholders’ Equity	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, 2022			$ 195,101	$ 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 gain (loss), net of income taxes	(2,601)					(2,601)
Retirement and postretirement benefit plans, net of income taxes						3,347
Repurchase of common stock							(75,773)
Awarded restricted stock, net of forfeitures							28,114
Distributions to noncontrolling interest owners								(20,052)
Balance at end of period at Sep. 30, 2023	5,512,799	$ 5,340,031	195,101	869,132	6,472,114	(533,940)	(1,662,376)	172,768
Balance at beginning of period at Jun. 30, 2023			195,101	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 gain (loss), net of income taxes	(39,353)					(39,353)
Retirement and postretirement benefit plans, net of income taxes						1,196
Repurchase of common stock							(75,773)
Awarded restricted stock, net of forfeitures							(81)
Distributions to noncontrolling interest owners								(4,069)
Balance at end of period at Sep. 30, 2023	5,512,799	5,340,031	195,101	869,132	6,472,114	(533,940)	(1,662,376)	172,768
Balance at beginning of period at Dec. 31, 2023	5,549,653		195,101	880,297	6,546,079	(521,117)	(1,737,566)	186,859
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Restricted stock transactions and other				(70,539)
Share-based compensation				25,897
Net income attributable to Murphy and noncontrolling interest	356,835				356,835			65,197
Cash dividends paid					(136,208)
Foreign currency translation gain (loss), net of income taxes	(34,588)					(34,588)
Retirement and postretirement benefit plans, net of income taxes						2,998
Repurchase of common stock	(300,000)						(302,681)
Awarded restricted stock, net of forfeitures							45,229
Distributions to noncontrolling interest owners								(96,618)
Balance at end of period at Sep. 30, 2024	5,405,175	5,249,737	195,101	835,655	6,766,706	(552,707)	(1,995,018)	155,438
Balance at beginning of period at Jun. 30, 2024			195,101	826,861	6,672,275	(571,645)	(1,798,872)	178,828
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Restricted stock transactions and other				(53)
Share-based compensation				8,847
Net income attributable to Murphy and noncontrolling interest	139,094				139,094			12,018
Cash dividends paid					(44,663)
Foreign currency translation gain (loss), net of income taxes	17,764					17,764
Retirement and postretirement benefit plans, net of income taxes						1,174
Repurchase of common stock							(196,187)
Awarded restricted stock, net of forfeitures							41
Distributions to noncontrolling interest owners								(35,408)
Balance at end of period at Sep. 30, 2024	$ 5,405,175	$ 5,249,737	$ 195,101	$ 835,655	$ 6,766,706	$ (552,707)	$ (1,995,018)	$ 155,438