Statement of Consolidated Cash Flows (unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
CASH FROM OPERATIONS
Net income (loss)	$ 370	$ (20)	$ 939	$ (31)
Adjustments to reconcile net income to cash from operations:
Provision for depreciation, depletion, and amortization	156	161	499	483
Deferred income taxes			61	(12)
Equity earnings, net of dividends			(84)	19
Restructuring and other charges, net (D)	33	5	73	44
Net gain from investing activities – asset sales (Q)			(132)	(174)
Net periodic pension benefit cost (L)			36	103
Stock-based compensation			26	24
Provision for bad debt expense			1	2
Premium paid on early redemption of debt			43
Other			44	11
Changes in assets and liabilities, excluding effects of divestitures and foreign currency translation adjustments:
(Increase) Decrease in receivables			(408)	26
(Increase) Decrease in inventories			(373)	221
Decrease in prepaid expenses and other current assets			39	21
Increase (Decrease) in accounts payable, trade			153	(87)
(Decrease) in accrued expenses				(166)
Increase in taxes, including income taxes			143	95
Pension contributions (L)			(575)	(83)
(Increase) in noncurrent assets			(47)	(64)
(Decrease) in noncurrent liabilities			(83)	(76)
CASH PROVIDED FROM OPERATIONS			355	356
FINANCING ACTIVITIES
Additions to debt (original maturities greater than three months)			495	739
Payments on debt (original maturities greater than three months)			(1,294)
Proceeds from the exercise of employee stock options			19
Financial contributions for the divestiture of businesses (D)			(14)	(30)
Contributions from noncontrolling interest			8	24
Distributions to noncontrolling interest			(177)	(152)
Other			(3)	(4)
CASH (USED FOR) PROVIDED FROM FINANCING ACTIVITIES			(966)	577
INVESTING ACTIVITIES
Capital expenditures			(237)	(242)
Proceeds from the sale of assets			715	198
Additions to investments			(7)	(6)
CASH PROVIDED FROM (USED FOR) INVESTING ACTIVITIES			471	(50)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS AND RESTRICTED CASH			(11)	(27)
Net change in cash and cash equivalents and restricted cash			(151)	856
Cash and cash equivalents and restricted cash at beginning of year			1,610	883	$ 883
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH AT END OF PERIOD	$ 1,459	$ 1,739	$ 1,459	$ 1,739	$ 1,610