CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - 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 year at Dec. 31, 2019				$ 195,089	$ 949,445	$ 6,614,304	$ (574,161)	$ (1,717,217)	$ 337,151
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation					26,052
Restricted stock transactions and other					(33,649)
Exercise of stock options				12	(156)			0
Net income (loss)	$ (1,262,445)					(1,148,777)			(113,668)
Cash dividends						(95,989)
Foreign currency translation (losses) gains, net of income taxes	29,241						29,241
Retirement and postretirement benefit plans, net of income taxes							(57,617)
Deferred loss on interest rate hedge reclassified to interest expense, net of income taxes	1,204						1,204
Awarded restricted stock, net of forfeitures								26,556
Distributions to noncontrolling interest owners									(43,673)
Balance at end of year at Dec. 31, 2020	4,394,147	$ 4,214,337	$ 0	195,101	941,692	5,369,538	(601,333)	(1,690,661)	179,810
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation					25,429
Restricted stock transactions and other					(38,749)
Exercise of stock options				0	(1,674)			1,326
Net income (loss)	47,528					(73,664)			121,192
Cash dividends						(77,204)
Foreign currency translation (losses) gains, net of income taxes	12,116						12,116
Retirement and postretirement benefit plans, net of income taxes							59,816
Deferred loss on interest rate hedge reclassified to interest expense, net of income taxes	1,690						1,690
Awarded restricted stock, net of forfeitures								33,888
Distributions to noncontrolling interest owners									(137,517)
Balance at end of year at Dec. 31, 2021	4,320,796	4,157,311	0	195,101	926,698	5,218,670	(527,711)	(1,655,447)	163,485
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation					25,242
Restricted stock transactions and other					(45,169)
Exercise of stock options				0	(13,193)			8,433
Net income (loss)	1,138,719					965,047			173,672
Cash dividends						(128,219)
Foreign currency translation (losses) gains, net of income taxes	(106,335)						(106,335)
Retirement and postretirement benefit plans, net of income taxes							99,360
Deferred loss on interest rate hedge reclassified to interest expense, net of income taxes	0						0
Awarded restricted stock, net of forfeitures								32,297
Distributions to noncontrolling interest owners									(183,038)
Balance at end of year at Dec. 31, 2022	$ 5,148,893	$ 4,994,774	$ 0	$ 195,101	$ 893,578	$ 6,055,498	$ (534,686)	$ (1,614,717)	$ 154,119