Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
CURRENT ASSETS
Cash and cash equivalents	$ 2,008	$ 3,032
Restricted cash and restricted cash equivalents	170	485
Trade receivables, net of reserves of $24 in 2020 and $19 in 2019	2,115	4,233
Inventories	1,898	1,581
Assets held for sale	1,433	3,870
Other current assets	1,195	1,432
Total current assets	8,819	14,633
INVESTMENTS
INVESTMENTS IN UNCONSOLIDATED ENTITIES	3,250	6,389
PROPERTY, PLANT AND EQUIPMENT
PROPERTY, PLANT AND EQUIPMENT	118,964	124,267
Accumulated depreciation, depletion and amortization	(53,075)	(42,037)
Property, plant and equipment, net	65,889	82,230
OPERATING LEASE ASSETS	1,062	1,411
LONG-TERM RECEIVABLES AND OTHER ASSETS, NET	1,044	2,527
TOTAL ASSETS	80,064	107,190
CURRENT LIABILITIES
Current maturities of long-term debt	440	51
Current operating lease liabilities	473	579
Accounts payable	2,987	4,910
Accrued liabilities	3,570	5,447
Liabilities of assets held for sale	753	1,718
Total current liabilities	8,223	12,705
Long-term debt, net	35,745	38,537
DEFERRED CREDITS AND OTHER LIABILITIES
Deferred income taxes, net	7,113	9,717
Asset retirement obligations	3,977	4,411
Pension and postretirement obligations	1,763	1,823
Environmental remediation liabilities	1,028	1,035
Operating lease liabilities	641	872
Other	3,001	3,858
Total deferred credits and other liabilities	17,523	21,716
EQUITY
Preferred stock, at $1.00 per share par value (100,000 shares at December 31, 2020)	9,762	9,762
Common stock, $0.20 per share par value, authorized shares: 1.5 billion, issued shares: 2020 — 1,080,564,947 and 2019 — 1,044,434,893	216	209
Treasury stock: 2020 — 149,051,634 shares and 2019 — 150,323,151 shares	(10,665)	(10,653)
Additional paid-in capital	16,552	14,955
Retained earnings	2,996	20,180
Accumulated other comprehensive loss	(288)	(221)
Total stockholders’ equity	18,573	34,232
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	80,064	107,190
Oil and gas
PROPERTY, PLANT AND EQUIPMENT
PROPERTY, PLANT AND EQUIPMENT	102,454	107,801
Chemical
PROPERTY, PLANT AND EQUIPMENT
PROPERTY, PLANT AND EQUIPMENT	7,356	7,172
Midstream and marketing
PROPERTY, PLANT AND EQUIPMENT
PROPERTY, PLANT AND EQUIPMENT	8,232	8,176
Corporate
PROPERTY, PLANT AND EQUIPMENT
PROPERTY, PLANT AND EQUIPMENT	$ 922	$ 1,118