CONSOLIDATED BALANCE SHEETS (unaudited) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Current assets
Cash and cash equivalents	$ 418,100	$ 310,606
Accounts receivable, less allowance for doubtful accounts	366,542	262,014
Inventories	57,116	66,076
Prepaid expenses	36,027	33,860
Assets held for sale	40,821	327,736
Total current assets	918,606	1,000,292
Property, plant and equipment, at cost less accumulated depreciation, depletion and amortization of $12,146,262 in 2021 and $11,455,305 in 2020	8,224,538	8,269,038
Operating lease assets	973,801	927,658
Deferred income taxes	457,600	395,253
Deferred charges and other assets	29,645	28,611
Total assets	10,604,190	10,620,852
Current liabilities
Current maturities of long-term debt, finance lease	755	0
Accounts payable	744,067	407,097
Income taxes payable	19,176	18,018
Other taxes payable	20,290	22,498
Operating lease liabilities	167,474	103,758
Other accrued liabilities	321,524	150,578
Liabilities associated with assets held for sale	0	14,372
Total current liabilities	1,273,286	716,321
Long-term debt, including finance lease obligation	2,762,851	2,988,067
Asset retirement obligations	817,502	816,308
Deferred credits and other liabilities	738,407	680,580
Non-current operating lease liabilities	826,713	845,088
Deferred income taxes	143,603	180,341
Total liabilities	6,562,362	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	915,181	941,692
Retained earnings	4,980,428	5,369,538
Accumulated other comprehensive loss	(553,519)	(601,333)
Treasury stock	(1,656,591)	(1,690,661)
Murphy Shareholders' Equity	3,880,600	4,214,337
Noncontrolling interest	161,228	179,810
Total equity	4,041,828	4,394,147
Total liabilities and equity	$ 10,604,190	$ 10,620,852