Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Cash Flows from Operating Activities:
Net income (loss)	$ 70	$ 46
Adjustments to reconcile net income (loss) to cash provided by operating activities:
Depreciation and amortization	39	39
Deferred tax provision (benefit)	(2)	(6)
Employee benefit plan settlement	6
Non-cash compensation	4	1
Other non-cash (income) expense	5
Cash dividends received from equity affiliates		1
Changes in assets and liabilities:
Accounts and notes receivable	(76)	54
Inventories	(37)	(7)
Prepaid expenses and other assets	(10)	(21)
Accounts payable and accrued liabilities	14	3
Income taxes payable	7	(3)
Other liabilities	1	(2)
Cash provided (used) by operating activities	21	105
Cash Flows from Investing Activities:
Additions to property, plant and equipment	(29)	(68)
Cash paid for acquisition of businesses		(8)
Other		(1)
Cash provided (used) by investing activities	(29)	(77)
Cash Flows from Financing Activities:
Proceeds from issuance (repayments) of commercial paper, net		(29)
Proceeds from long-term debt	50	97
Repayments of long-term debt	(66)	(48)
Purchases of common stock	(2)	(34)
Proceeds from sales of common stock	1	1
Cash dividends paid to noncontrolling interests	(1)	(11)
Cash dividends paid to common stockholders	(20)	(20)
Cash provided (used) by financing activities	(38)	(44)
Effects of exchange rate changes on cash	42	20
Increase (decrease) in cash and cash equivalents	(4)	4
Cash and cash equivalents at beginning of period	151	169
Cash and cash equivalents at end of period	$ 147	$ 173