CONSOLIDATED CONDENSED BALANCE SHEETS - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
CURRENT ASSETS
Cash and cash equivalents	$ 2,021	$ 3,032
Restricted cash and restricted cash equivalents	242	480
Trade receivables, net	2,458	6,373
Inventories	1,436	1,447
Other current assets	2,220	1,323
Assets Held-for-sale, Not Part of Disposal Group, Current	5,732	6,026
Total current assets	14,109	18,681
INVESTMENTS IN UNCONSOLIDATED ENTITIES	6,050	6,389
PROPERTY, PLANT AND EQUIPMENT	123,462	122,347
Accumulated depreciation, depletion and amortization	(44,389)	(41,878)
PROPERTY, PLANT AND EQUIPMENT, net of accumulated depreciation, depletion and amortization	79,073	80,469
OPERATING LEASE ASSETS	1,193	1,385
LONG-TERM RECEIVABLES AND OTHER ASSETS, NET	1,218	2,406
Assets, Total	101,643	109,330
CURRENT LIABILITIES
Current maturities of long-term debt	2,464	51
Current operating lease liabilities	453	569
Accounts payable	3,845	7,017
Accrued liabilities	3,310	5,302
Liabilities of assets held for sale	1,891	2,010
Total current liabilities	11,963	14,949
LONG-TERM DEBT, NET
Long-term Debt, Excluding Current Maturities	36,058	38,537
DEFERRED CREDITS AND OTHER LIABILITIES
Deferred income taxes, net	9,403	9,717
Asset retirement obligations	4,428	4,385
Pension and postretirement obligations	1,968	1,807
Environmental remediation liabilities	1,017	1,035
Operating lease liabilities	768	854
Other	4,743	3,814
Total deferred credits and other liabilities	22,327	21,612
STOCKHOLDERS' EQUITY
Preferred stock at par value, 100,000 shares at March 31, 2020 and December 31, 2019	9,762	9,762
Common stock at par value, 1,048,430,898 issued shares at March 31, 2020 and 1,044,434,893 shares at December 31, 2019	210	209
Treasury stock, 148,416,051 shares at March 31, 2020 and 150,323,151 shares at December 31, 2019	(10,653)	(10,653)
Additional paid-in capital	15,081	14,955
Retained earnings	17,229	20,180
Accumulated other comprehensive loss	(334)	(221)
Total stockholders' equity	31,295	34,232
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	101,643	109,330
Oil and gas segment
CURRENT ASSETS
PROPERTY, PLANT AND EQUIPMENT	107,014	105,881
Chemical segment
CURRENT ASSETS
PROPERTY, PLANT AND EQUIPMENT	7,187	7,172
Midstream and marketing segment
CURRENT ASSETS
PROPERTY, PLANT AND EQUIPMENT	8,189	8,176
Corporate
CURRENT ASSETS
PROPERTY, PLANT AND EQUIPMENT	$ 1,072	$ 1,118