Consolidated Statements of Operations - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
REVENUES AND OTHER INCOME
Net sales	$ 25,956	$ 17,809	$ 20,911
Interest, dividends and other income	166	118	217
Gains (losses) on sale of assets, net	192	(1,666)	622
Total	26,314	16,261	21,750
COSTS AND OTHER DEDUCTIONS
Oil and gas operating expense	3,160	3,065	3,282
Transportation and gathering expense	1,419	1,600	635
Chemical and midstream cost of sales	2,772	2,408	2,791
Purchased commodities	2,308	1,395	1,679
Selling, general and administrative	863	864	893
Other operating and non-operating expense	1,065	884	1,421
Depreciation, depletion and amortization	8,447	8,097	6,140
Asset impairments and other charges	304	11,083	1,361
Taxes other than on income	1,005	622	840
Anadarko Acquisition-related costs	153	339	1,647
Exploration expense	252	132	247
Interest and debt expense, net	1,614	1,424	1,066
Total	23,362	31,913	22,002
Income (loss) before income taxes and other items	2,952	(15,652)	(252)
OTHER ITEMS
Gains (losses) on interest rate swaps and warrants, net	122	(423)	233
Income from equity investments	631	370	373
Total	753	(53)	606
Income (loss) from continuing operations before income taxes	3,705	(15,705)	354
Income tax benefit (expense)	(915)	2,172	(861)
Income (loss) from continuing operations	2,790	(13,533)	(507)
Loss from discontinued operations, net of tax	(468)	(1,298)	(15)
NET INCOME (LOSS)	2,322	(14,831)	(522)
Less: Net income attributable to noncontrolling interest	0	0	(145)
Less: Preferred stock dividends	(800)	(844)	(318)
NET INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCKHOLDERS	$ 1,522	$ (15,675)	$ (985)
PER COMMON SHARE, BASIC
Income (loss) from continuing operations—basic (in dollars per share)	$ 2.12	$ (15.65)	$ (1.20)
Loss from discontinued operations—basic (in dollars per share)	(0.50)	(1.41)	(0.02)
Net income (loss) attributable to common stockholders—basic (in dollars per share)	1.62	(17.06)	(1.22)
PER COMMON SHARE, DILUTED
Income (loss) from continuing operations—diluted (in dollars per share)	2.06	(15.65)	(1.20)
Loss from discontinued operations—diluted (in dollars per share)	(0.48)	(1.41)	(0.02)
Net income (loss) attributable to common stockholders—diluted (in dollars per share)	$ 1.58	$ (17.06)	$ (1.22)