CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Statement [Abstract]
Revenues	$ 22,845	$ 14,198	$ 14,402
Cost of sales:
Production and delivery	12,016	10,031	11,534
Depreciation, depletion and amortization	1,998	1,528	1,412
Metals inventory adjustments	16	96	179
Total cost of sales	14,030	11,655	13,125
Selling, general and administrative expenses	383	370	394
Exploration Expense	55	50	104
Environmental obligations and shutdown costs	91	159	105
Net gain on sales of assets	(80)	(473)	(417)
Total costs and expenses	14,479	11,761	13,311
Operating income	8,366	2,437	1,091
Interest expense, net	(602)	(598)	(620)
Net loss on early extinguishment of debt	0	(101)	(27)
Other (expense) income, net	(105)	59	(138)
Income from continuing operations before income taxes and equity in affiliated companies’ net earnings	7,659	1,797	306
Provision for (benefit from) income taxes	(2,299)	(944)	(510)
Equity in affiliated companies’ net earnings	5	12	12
Net income (loss) from continuing operations	5,365	865	(192)
Net income from discontinued operations	0	0	3
Net income (loss)	5,365	865	(189)
Net income from continuing operations attributable to noncontrolling interests	(1,059)	(266)	(50)
Net income (loss) attributable to common stockholders	$ 4,306	$ 599	$ (239)
Basic net income (loss) per share attributable to common stockholders:
Income (Loss) from Continuing Operations, Per Basic Share	$ 2.93	$ 0.41	$ (0.17)
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share	0	0	0
Earnings per share, basic (in dollars per share)	2.93	0.41	(0.17)
Diluted net income (loss) per share attributable to common stockholders:
Income (Loss) from Continuing Operations, Per Diluted Share	2.90	0.41	(0.17)
Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Basic and Diluted Share	0	0	0
Earnings Per Share, Diluted	$ 2.90	$ 0.41	$ (0.17)
Weighted Average Number of Shares Outstanding, Basic	1,466	1,453	1,451
Weighted Average Number of Shares Outstanding, Diluted	1,482	1,461	1,451
Dividends declared per share of common stock (in dollars per share)	$ 0.375	$ 0	$ 0.20