Other Financial Information (Other Liabilities) (Details) - USD ($) $ in Millions	Mar. 31, 2019	Sep. 30, 2018
Other Liabilities [Abstract]
Pension and postretirement liabilities	$ 624	$ 625
Deferred income taxes	483	484
Asbestos litigation	328	334
Other	564	656
Total	$ 1,999	$ 2,099

Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences, with jurisdictional netting and classified as noncurrent.

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Aggregated carrying amounts of obligations as of the balance sheet date, excluding long-term debt, incurred as part of the normal operations that are expected to be paid after one year or beyond the normal operating cycle, if longer. Alternate captions include Total Deferred Credits and Other Liabilities.

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Carrying amount as of the balance sheet date of reserves for the costs of settling insured claims and costs incurred in the claims settlement process attributable to asbestos and environmental claims, before estimated recoveries from reinsurers.

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