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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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