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Discontinued Operations - Reconciliation of Consolidated Income (Loss) From Discontinued Operations (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Income (loss) from discontinued operations attributable to Performance Adhesives
Income from discontinued operations	$ 748	$ 16	$ 764	$ 29
Performance Adhesives [Member]
Income (loss) from discontinued operations attributable to Performance Adhesives
Sales	75	88	171	172
Cost of sales	(56)	(59)	(122)	(112)
Selling, general and administrative expense	(6)	(5)	(11)	(10)
Research and development expense	(1)	(2)	(3)	(4)
Pretax income of discontinued operations	12	22	35	46
Income tax (expense) benefit	5	(4)	(1)	(10)
Income from discontinued operations	$ 17	$ 18	$ 34	$ 36

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Amount of tax expense (benefit) related to a discontinued operation. Includes, but is not limited to, tax expense (benefit) related to income (loss) from operations during the phase-out period, tax expense (benefit) related to gain (loss) on disposal, tax expense (benefit) related to gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and tax expense (benefit) related to adjustments of a prior period gain (loss) on disposal.

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