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Discontinued Operations (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Disposal Group, Including Discontinued Operation, Costs of Goods Sold $ 0 $ 0    
restructuring charges, net of reversal, including discontinued operations 0 0    
Income Tax Expense (Benefit) 2 8 $ 7 $ 3
(Loss) income from discontinued operations, net of tax $ 0 $ 0