CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income (loss) including noncontrolling interest	$ 47,528	$ (1,262,445)	$ 1,253,302
Other comprehensive income (loss), net of tax
Net gain (loss) from foreign currency translation	12,116	29,241	66,600
Retirement and postretirement benefit plans	59,816	(57,617)	(35,979)
Deferred loss on interest rate hedges reclassified to interest expense	1,690	1,204	5,005
Other comprehensive income (loss)	73,622	(27,172)	35,626
Comprehensive income (loss)	121,150	(1,289,617)	1,288,928
Comprehensive income (loss) attributable to noncontrolling interest	(121,192)	113,668	(103,570)
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO MURPHY	$ (42)	$ (1,175,949)	$ 1,185,358