CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Current assets
Cash and cash equivalents	$ 310,606	$ 306,760
Accounts receivable, less allowance for doubtful accounts	262,014	426,684
Inventories	66,076	76,123
Prepaid expenses	33,860	40,896
Assets held for sale	327,736	123,864
Total current assets	1,000,292	974,327
Property, plant and equipment, at cost less accumulated depreciation, depletion and amortization of $11,455,305 in 2020 and $9,333,646 in 2019	8,269,038	9,969,743
Operating lease assets	927,658	598,293
Deferred income taxes	395,253	129,287
Deferred charges and other assets	28,611	46,854
Total assets	10,620,852	11,718,504
Current liabilities
Accounts payable	407,097	602,096
Income taxes payable	18,018	19,049
Other taxes payable	22,498	18,613
Operating lease liabilities	103,758	92,286
Other accrued liabilities	150,578	197,447
Liabilities associated with assets held for sale	14,372	13,298
Total current liabilities	716,321	942,789
Long-term debt, including capital lease obligation	2,988,067	2,803,381
Asset retirement obligations	816,308	825,794
Deferred credits and other liabilities	680,580	613,407
Non-current operating lease liabilities	845,088	521,324
Deferred income taxes	180,341	207,198
Total liabilities	6,226,705	5,913,893
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 195,100,628 shares in 2020 and 195,089,269 shares in 2019	195,101	195,089
Capital in excess of par value	941,692	949,445
Retained earnings	5,369,538	6,614,304
Accumulated other comprehensive loss	(601,333)	(574,161)
Treasury stock	(1,690,661)	(1,717,217)
Murphy Shareholders' Equity	4,214,337	5,467,460
Noncontrolling interest	179,810	337,151
Total equity	4,394,147	5,804,611
Total liabilities and equity	$ 10,620,852	$ 11,718,504