CONSOLIDATED CONDENSED STATEMENTS OF OPERATIONS - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
REVENUES AND OTHER INCOME
Net sales	$ 5,958	$ 2,928	$ 11,251	$ 9,541
Interest, dividends and other income	49	33	124	67
Gains on sales of equity investments and other assets, net	3	15	114	22
Total	6,010	2,976	11,489	9,630
COSTS AND OTHER DEDUCTIONS
Oil and gas operating expense	712	631	1,488	1,700
Transportation and gathering expense	364	367	693	932
Chemical and midstream cost of sales	676	577	1,270	1,189
Purchased commodities	487	214	1,045	607
Selling, general and administrative expense	177	225	343	489
Other operating and non-operating expense	248	114	506	311
Taxes other than on income	244	68	454	293
Depreciation, depletion and amortization	2,371	2,119	4,565	4,428
Asset impairments and other charges	21	6,470	156	8,273
Anadarko acquisition-related costs	52	149	93	297
Exploration expense	86	33	114	70
Interest and debt expense, net	385	310	780	662
Total	5,823	11,277	11,507	19,251
Income (loss) before income taxes and other items	187	(8,301)	(18)	(9,621)
OTHER ITEMS
Gains (losses) on interest rate swaps and warrants, net	(223)	(76)	176	(661)
Income from equity investments	179	193	300	60
Total	(44)	117	476	(601)
Income (loss) from continuing operations before income taxes	143	(8,184)	458	(10,222)
Income tax benefit (expense)	(43)	1,468	(59)	1,493
Income (loss) from continuing operations	100	(6,716)	399	(8,729)
Income (loss) from discontinued operations, net of tax	3	(1,415)	(442)	(1,415)
NET INCOME (LOSS)	103	(8,131)	(43)	(10,144)
Less: Preferred stock dividends	(200)	(222)	(400)	(441)
NET LOSS ATTRIBUTABLE TO COMMON STOCKHOLDERS	$ (97)	$ (8,353)	$ (443)	$ (10,585)
PER COMMON SHARE, BASIC
Loss from continuing operations—basic (in usd per share)	$ (0.11)	$ (7.58)	$ 0	$ (10.12)
Income (loss) from discontinued operations - basic (in usd per share)	0.01	(1.54)	(0.47)	(1.56)
Net loss attributable to common stockholders—basic (in usd per share)	(0.10)	(9.12)	(0.47)	(11.68)
PER COMMON SHARE, DILUTED
Loss from continuing operations—diluted (in usd per share)	(0.11)	(7.58)	0	(10.12)
Income (loss) from discontinued operations - diluted (in usd per share)	0.01	(1.54)	(0.47)	(1.56)
Net loss attributable to common stockholders—diluted (in usd per share)	$ (0.10)	$ (9.12)	$ (0.47)	$ (11.68)