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Discontinued Operations Disposal Group - Assets Held For Sale (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2019	Jun. 30, 2019	Mar. 31, 2020	Sep. 30, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets held for sale			$ 91	$ 98
Noncurrent assets held for sale			46	60
Liabilities held for sale			39	$ 44
Global Products
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total Long-Lived Asset Held-for-Sale Impairment			$ 250
Impairment of Long-Lived Assets to be Disposed of	$ 15	$ 235

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