CONSOLIDATED CONDENSED STATEMENTS OF OPERATIONS - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
REVENUES AND OTHER INCOME
Net sales	$ 5,293	$ 6,613
Interest, dividends and other income	75	34
Gains on sales of assets and equity investments, net	111	7
Total	5,479	6,654
COSTS AND OTHER DEDUCTIONS
Oil and gas operating expense	776	1,069
Transportation and gathering expense	329	565
Chemical and midstream cost of sales	594	612
Purchased commodities	558	393
Selling, general and administrative expenses	166	264
Other operating and non-operating expense	258	197
Taxes other than on income	210	225
Depreciation, depletion and amortization	2,194	2,309
Asset impairments and other charges	135	1,803
Anadarko acquisition-related costs	41	148
Exploration expense	28	37
Interest and debt expense, net	395	352
Total	5,684	7,974
Loss before income taxes and other items	(205)	(1,320)
OTHER ITEMS
Gains (losses) on interest rate swaps and warrants, net	399	(585)
Income (loss) from equity investments	121	(133)
Total	520	(718)
Income (loss) from continuing operations before income taxes	315	(2,038)
Income tax benefit (expense)	(16)	25
Income (loss) from continuing operations	299	(2,013)
Loss from discontinued operations, net of tax	(445)	0
NET LOSS	(146)	(2,013)
Less: Preferred stock dividends	(200)	(219)
NET LOSS ATTRIBUTABLE TO COMMON STOCKHOLDERS	$ (346)	$ (2,232)
PER COMMON SHARE, BASIC
Income (loss) from continuing operations—basic (in usd per share)	$ 0.11	$ (2.49)
Loss from discontinued operations - basic (in usd per share)	(0.48)	0
Net loss attributable to common stockholders—basic (in usd per share)	(0.37)	(2.49)
PER COMMON SHARE, DILUTED
Income (loss) from continuing operations—diluted (in usd per share)	0.10	(2.49)
Loss from discontinued operations - diluted (in usd per share)	(0.46)	0
Net loss attributable to common stockholders—diluted (in usd per share)	$ (0.36)	$ (2.49)