CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Revenues and other income
Total revenue from sales to customers	$ 2,689,845,000	$ 3,018,598,000	$ 3,448,854,000
Gain (loss) on derivative instruments	5,927,000	(1,707,000)	0
Gain on sale of assets and other operating income	23,051,000	11,583,000	11,293,000
Total revenues and other income	2,718,823,000	3,028,474,000	3,460,147,000
Costs and expenses
Lease operating expenses	765,240,000	936,960,000	784,391,000
Severance and ad valorem taxes	39,238,000	39,162,000	42,787,000
Transportation, gathering and processing	199,693,000	210,827,000	232,985,000
Costs of purchased natural gas	0	3,147,000	51,682,000
Exploration expenses, including undeveloped lease amortization	111,670,000	133,538,000	234,776,000
Selling and general expenses	137,332,000	110,085,000	117,306,000
Depreciation, depletion and amortization	977,753,000	865,753,000	861,602,000
Accretion of asset retirement obligations	57,730,000	52,511,000	46,059,000
Impairment of assets	115,002,000	62,909,000	0
Other operating expense	13,928,000	10,989,000	46,530,000
Total costs and expenses	2,417,586,000	2,425,881,000	2,418,118,000
Operating income from continuing operations	301,237,000	602,593,000	1,042,029,000
Other income (loss)
Other income (loss)	(22,299,000)	70,902,000	(8,587,000)
Interest expense, net	(96,072,000)	(105,926,000)	(112,373,000)
Total other loss	(118,371,000)	(35,024,000)	(120,960,000)
Income from continuing operations before income taxes	182,866,000	567,569,000	921,069,000
Income tax expense	44,552,000	78,272,000	195,921,000
Income from continuing operations	138,314,000	489,297,000	725,148,000
Income (loss) from discontinued operations, net of income taxes	485,000	(2,812,000)	(1,467,000)
Net income including noncontrolling interest	138,799,000	486,485,000	723,681,000
Less: Net income attributable to noncontrolling interest	34,565,000	79,314,000	62,122,000
NET INCOME ATTRIBUTABLE TO MURPHY	$ 104,234,000	$ 407,171,000	$ 661,559,000
NET INCOME (LOSS) PER COMMON SHARE – BASIC
Continuing operations (in USD per share)	$ 0.73	$ 2.73	$ 4.27
Discontinued operations (in USD per share)	0	(0.02)	(0.01)
Net income (in USD per share)	0.73	2.71	4.26
NET INCOME (LOSS) PER COMMON SHARE – DILUTED
Continuing operations (in USD per share)	0.72	2.72	4.23
Discontinued operations (in USD per share)	0	(0.02)	(0.01)
Net income (in USD per share)	0.72	2.70	4.22
Cash dividends per Common share (in USD per share)	$ 1.300	$ 1.200	$ 1.100
Average common shares outstanding (thousands)
Basic (in shares)	143,124,118	150,011,458	155,233,560
Diluted (in shares)	144,025,322	151,027,352	156,646,429
Revenue from production
Revenues and other income
Total revenue from sales to customers	$ 2,689,845,000	$ 3,014,856,000	$ 3,376,639,000
Sales of purchased natural gas
Revenues and other income
Total revenue from sales to customers	$ 0	$ 3,742,000	$ 72,215,000