Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities
Net income	$ 136	$ 116
Adjustments to reconcile net income to cash flows from operating activities
Gain (Loss) on Extinguishment of Debt	19	0
Depreciation and amortization	31	28
Equity income from unconsolidated affiliates, net of distributions	(1)	(2)
Pension contributions	(5)	(2)
Stock-based compensation expense	3	5
Other, net	3	1
Change in assets and liabilities
Accounts receivable	44	7
Inventories	(20)	(4)
Payables and accrued liabilities	(40)	(13)
Other assets and liabilities	(16)	(2)
Total cash provided by operating activities	154	134
Cash flows from investing activities
Additions to property, plant and equipment	(57)	(48)
Acquisitions, net of cash acquired	(11)	(35)
Other investing activities, net	(3)	(2)
Total cash used in investing activities	(71)	(85)
Cash flows from financing activities
Proceeds from borrowings, net of issuance costs	1,132	162
Repayments on borrowings	(475)	(137)
Repurchases of common stock	(60)	0
Payment for Debt Extinguishment or Debt Prepayment Cost	15	0
Cash dividends paid	(42)	(40)
Other financing activities	(3)	(5)
Total cash provided by (used in) financing activities	537	(20)
Effect of currency exchange rate changes on cash, cash equivalents, and restricted cash	(4)	0
Increase (decrease) in cash, cash equivalents, and restricted cash	616	29
Cash, cash equivalents, and restricted cash - beginning of period	159	96
Cash, cash equivalents, and restricted cash - end of period	$ 775	$ 125