CONSOLIDATED BALANCE SHEETS (unaudited) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Current assets
Cash and cash equivalents	$ 230,870	$ 310,606
Accounts receivable, less allowance for doubtful accounts	278,819	262,014
Inventories	66,585	66,076
Prepaid expenses	37,634	33,860
Assets held for sale	77,397	327,736
Total current assets	691,305	1,000,292
Property, plant and equipment, at cost less accumulated depreciation, depletion and amortization of $11,869,715 in 2021 and $11,455,305 in 2020	8,216,722	8,269,038
Operating lease assets	911,941	927,658
Deferred income taxes	433,617	395,253
Deferred charges and other assets	30,759	28,611
Total assets	10,284,344	10,620,852
Current liabilities
Accounts payable	538,327	407,097
Income taxes payable	17,370	18,018
Other taxes payable	18,032	22,498
Operating lease liabilities	102,983	103,758
Other accrued liabilities	174,575	150,578
Liabilities associated with assets held for sale	14,097	14,372
Total current liabilities	865,384	716,321
Long-term debt	2,755,596	2,988,067
Asset retirement obligations	904,085	816,308
Deferred credits and other liabilities	691,254	680,580
Non-current operating lease liabilities	829,760	845,088
Deferred income taxes	138,656	180,341
Total liabilities	6,184,735	6,226,705
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 2021 and 195,100,628 shares in 2020	195,101	195,101
Capital in excess of par value	914,303	941,692
Retained earnings	5,062,813	5,369,538
Accumulated other comprehensive loss	(575,610)	(601,333)
Treasury stock	(1,661,416)	(1,690,661)
Murphy Shareholders' Equity	3,935,191	4,214,337
Noncontrolling interest	164,418	179,810
Total equity	4,099,609	4,394,147
Total liabilities and equity	$ 10,284,344	$ 10,620,852