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Acquisitions, Dispositions, Goodwill and Other Intangible Assets Dispositions (Tables) - USD ($) $ in Millions | 6 Months Ended |
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Dec. 31, 2018
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Dispositions of businesses | $ 133 | $ 1,094 |
Assets held for sale |  |  | $ 175
Liabilities held for sale |  |  | 40
Inventories [Member] |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Assets held for sale |  |  | 51
Property, Plant and Equipment [Member] |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Assets held for sale |  |  | $ 37

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