Discontinued Operations Disposal Group - Assets Held For Sale (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2019	Jun. 30, 2019	Sep. 30, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets held for sale	$ 87		$ 98
Noncurrent assets held for sale	46		60
Liabilities held for sale	44		$ 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