Discontinued Operations Disposal Group - Assets Held For Sale (Details) - USD ($) $ in Millions	3 Months Ended
Jun. 30, 2019	Sep. 30, 2018
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets held for sale	$ 95	$ 3,015
Noncurrent assets held for sale	59	5,188
Liabilities held for sale	46	1,791
Noncurrent liabilities held for sale	0	207
Global Products
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Impairment of Long-Lived Assets to be Disposed of	$ 235
Power Solutions \| Power Solutions \| Discontinued Operations, Held-for-sale or Disposed of by Sale [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash		15
Accounts receivable - net		1,443
Inventories		1,405
Other current assets		152
Assets held for sale		3,015
Property, plant and equipment - net		2,871
Goodwill		1,092
Other intangible assets - net		161
Investments in Partially-Owed Affiliates		453
Other noncurrent assets		611
Noncurrent assets held for sale		5,188
Short-term debt		9
Current portion of long-term debt		25
Accounts payable		1,237
Accrued compensation and benefits		125
Other current liabilities		395
Liabilities held for sale		1,791
Long-term debt		31
Pension and postretirement benefits		101
Other noncurrent liabilities		75
Noncurrent liabilities held for sale		$ 207

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