CONSOLIDATED BALANCE SHEETS (unaudited) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Current assets
Cash and cash equivalents	$ 505,067	$ 310,606
Accounts receivable, less allowance for doubtful accounts	186,683	262,014
Inventories	57,411	66,076
Prepaid expenses	40,583	33,860
Assets held for sale	40,987	327,736
Total current assets	830,731	1,000,292
Property, plant and equipment, at cost less accumulated depreciation, depletion and amortization of $12,268,101 in 2021 and $11,455,305 in 2020	8,112,093	8,269,038
Operating lease assets	918,719	927,658
Deferred income taxes	442,212	395,253
Deferred charges and other assets	27,101	28,611
Total assets	10,330,856	10,620,852
Current liabilities
Current maturities of long-term debt, finance lease	646	0
Accounts payable	615,436	407,097
Income taxes payable	18,035	18,018
Other taxes payable	26,997	22,498
Operating lease liabilities	157,294	103,758
Other accrued liabilities	316,205	150,578
Liabilities associated with assets held for sale	0	14,372
Total current liabilities	1,134,613	716,321
Long-term debt, including finance lease obligation	2,613,703	2,988,067
Asset retirement obligations	797,627	816,308
Deferred credits and other liabilities	723,732	680,580
Non-current operating lease liabilities	781,114	845,088
Deferred income taxes	166,120	180,341
Total liabilities	6,216,909	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	921,227	941,692
Retained earnings	5,069,578	5,369,538
Accumulated other comprehensive loss	(580,174)	(601,333)
Treasury stock	(1,656,224)	(1,690,661)
Murphy Shareholders' Equity	3,949,508	4,214,337
Noncontrolling interest	164,439	179,810
Total equity	4,113,947	4,394,147
Total liabilities and equity	$ 10,330,856	$ 10,620,852