CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands		Jun. 30, 2019	Dec. 31, 2018
Current assets
Cash and cash equivalents		$ 326,044	$ 359,923	[1]
Accounts receivable, less allowance for doubtful accounts of $1,605 in 2019 and 2018		425,845	231,686	[1]
Inventories		86,701	80,024	[1]
Prepaid expenses		49,477	34,316	[1]
Assets held for sale		1,863,825	173,865	[1]
Total current assets		2,751,892	879,814	[1]
Property, plant and equipment, at cost less accumulated depreciation, depletion and amortization of 8,656,715 in 2019 and $8,070,487 in 2018		10,041,184	8,432,133	[1]
Operating lease assets		590,938	0
Deferred income taxes		104,368	146,197	[1]
Deferred charges and other assets		47,642	49,435	[1]
Non-current assets held for sale	[1]	0	1,545,008
Total assets		13,536,024	11,052,587	[1]
Current liabilities
Current maturities of long-term debt		687	668	[1]
Short-term Debt		500,000	0
Accounts payable		598,466	348,026	[1]
Income taxes payable		17,245	15,309	[1]
Other taxes payable		20,325	17,649	[1]
Operating lease liabilities		128,635	0
Other accrued liabilities		164,782	177,948	[1]
Liabilities associated with assets held for sale		772,751	286,458	[1]
Total current liabilities		2,202,891	846,058	[1]
Long-term debt, including capital lease obligation		4,185,875	3,109,318	[1]
Asset retirement obligations		824,053	752,519	[1]
Deferred credits and other liabilities		587,826	624,436	[1]
Non-current operating lease liabilities		468,168	0
Deferred income taxes		168,667	129,894	[1]
Non-current liabilities associated with assets held for sale	[1]	0	392,720
Liabilities		8,437,480	5,854,945
Equity
Cumulative Preferred Stock, par $100, authorized 400,000 shares, none issued		0	0
Common Stock, par $1.00, authorized 450,000,000 shares, issued 195,083,364 shares in 2019 and 195,076,924 shares in 2018		195,083	195,077	[1]
Capital in excess of par value		933,944	979,642	[1]
Retained earnings		5,677,248	5,513,529	[1]
Accumulated other comprehensive loss		(549,045)	(609,787)	[1]
Treasury stock		(1,517,217)	(1,249,162)	[1]
Murphy Shareholders' Equity		4,740,013	4,829,299	[1]
Noncontrolling interest		358,531	368,343	[1]
Total equity		5,098,544	5,197,642	[1]
Total liabilities and equity		$ 13,536,024	$ 11,052,587	[1]

[1] Reclassified to conform to current presentation (see Note A).