CONSOLIDATED CONDENSED STATEMENTS OF OPERATIONS - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
REVENUES AND OTHER INCOME
Net sales	$ 6,792	$ 4,108	$ 18,043	$ 13,649
Interest, dividends and other income	18	21	142	88
Gains (losses) on sales of equity investments and other assets, net	5	(846)	119	(824)
Total	6,815	3,283	18,304	12,913
COSTS AND OTHER DEDUCTIONS
Oil and gas operating expense	829	656	2,317	2,356
Transportation and gathering expense	360	343	1,053	1,275
Chemical and midstream cost of sales	731	618	2,001	1,807
Purchased commodities	588	333	1,633	940
Selling, general and administrative expense	240	166	583	655
Other operating and non-operating expense	256	231	762	542
Taxes other than on income	289	180	743	473
Depreciation, depletion and amortization	1,916	1,915	6,481	6,343
Asset impairments and other charges	17	2,723	173	10,996
Anadarko acquisition-related costs	29	5	122	302
Exploration expense	31	29	145	99
Interest and debt expense, net	449	353	1,229	1,015
Total	5,735	7,552	17,242	26,803
Income (loss) before income taxes and other items	1,080	(4,269)	1,062	(13,890)
OTHER ITEMS
Gains (losses) on interest rate swaps and warrants, net	(26)	88	150	(573)
Income from equity investments	163	123	463	183
Total	137	211	613	(390)
Income (loss) from continuing operations before income taxes	1,217	(4,058)	1,675	(14,280)
Income tax benefit (expense)	(387)	403	(446)	1,896
Income (loss) from continuing operations	830	(3,655)	1,229	(12,384)
Income (loss) from discontinued operations, net of tax	(2)	80	(444)	(1,335)
NET INCOME (LOSS)	828	(3,575)	785	(13,719)
Less: Preferred stock dividends	(200)	(203)	(600)	(644)
NET INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCKHOLDERS	$ 628	$ (3,778)	$ 185	$ (14,363)
PER COMMON SHARE, BASIC
Income (loss) from continuing operations—basic (in dollars per share)	$ 0.67	$ (4.16)	$ 0.67	$ (14.26)
Income (loss) from discontinued operations - basic (in dollars per share)	0	0.09	(0.47)	(1.46)
Net income (loss) attributable to common stockholders—basic (in dollars per share)	0.67	(4.07)	0.20	(15.72)
PER COMMON SHARE, DILUTED
Income (loss) from continuing operations—diluted (in dollars per share)	0.65	(4.16)	0.65	(14.26)
Income (loss) from discontinued operations - diluted (in dollars per share)	0	0.09	(0.46)	(1.46)
Net income (loss) attributable to common stockholders—diluted (in dollars per share)	$ 0.65	$ (4.07)	$ 0.19	$ (15.72)