Statement of Consolidated Cash Flows (unaudited) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
CASH FROM OPERATIONS
Net income	$ 219	$ 139
Adjustments to reconcile net income to cash from operations:
Provision for depreciation, depletion, and amortization	182	170
Deferred income taxes	18	23
Equity earnings, net of dividends	(11)
Restructuring and other charges, net (D)	7	2
Net gain from investing activities – asset sales (Q)	(27)	(177)
Net periodic pension benefit cost (L)	12	33
Stock-based compensation	8	8
Provision for bad debt expense		2
Other	(1)	4
Changes in assets and liabilities, excluding effects of divestitures and foreign currency translation adjustments:
(Increase) in receivables	(212)	(70)
(Increase) Decrease in inventories	(68)	41
Decrease in prepaid expenses and other current assets	57	11
(Decrease) in accounts payable, trade	(64)	(121)
Increase (Decrease) in accrued expenses	3	(85)
(Decrease) in taxes, including income taxes	(1)	(11)
Pension contributions (L)	(63)	(48)
(Increase) Decrease in noncurrent assets	(22)	32
(Decrease) in noncurrent liabilities	(31)	(43)
CASH PROVIDED FROM (USED FOR) OPERATIONS	6	(90)
FINANCING ACTIVITIES
Additions to debt (original maturities greater than three months)	495
Proceeds from the exercise of employee stock options	4
Financial contributions for the divestiture of businesses (D)	(6)	(12)
Distributions to noncontrolling interest	(62)	(31)
Other	(3)	(1)
CASH PROVIDED FROM (USED FOR) FINANCING ACTIVITIES	428	(44)
INVESTING ACTIVITIES
Capital expenditures	(75)	(91)
Proceeds from the sale of assets	591	199
Additions to investments	(2)	(1)
CASH PROVIDED FROM INVESTING ACTIVITIES	514	107
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS AND RESTRICTED CASH	(11)	(24)
Net change in cash and cash equivalents and restricted cash	937	(51)
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	$ 2,547	$ 832	$ 1,610