Consolidated Balance Sheets - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 681	$ 580
Receivables, less reserve of $15 and $15	1,443	1,142
Inventories	78	77
Other current assets	28	22
Total current assets	2,230	1,821
Equity method investments	522	450
Property, plant and equipment, less accumulated depreciation, depletion and amortization of $22,753 and $22,412	14,422	14,499
Deferred tax assets	554	0
Other noncurrent assets	253	224
Total assets	17,981	16,994
Current liabilities:
Accounts payable	1,299	1,110
Payroll and benefits payable	42	74
Accrued taxes	169	157
Other current liabilities	405	260
Long-term debt due within one year	106	36
Total current liabilities	2,021	1,637
Long-term debt	3,908	3,978
Deferred tax liabilities	144	136
Defined benefit postretirement plan obligations	132	137
Asset retirement obligations	296	288
Deferred credits and other liabilities	114	132
Total liabilities	6,615	6,308
Commitments and contingencies
Stockholders’ Equity
Preferred stock – no shares issued or outstanding (no par value, 26 million shares authorized)	0	0
Common stock:
Issued – 937 million shares (par value $1 per share, 1.925 billion shares authorized at March 31, 2022 and December 31, 2021)	937	937
Held in treasury, at cost – 220 million shares and 194 million shares	(5,362)	(4,825)
Additional paid-in capital	7,178	7,221
Retained earnings	8,523	7,271
Accumulated other comprehensive income	90	82
Total stockholders’ equity	11,366	10,686
Total liabilities and stockholders’ equity	$ 17,981	$ 16,994