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Discontinued Operations (Tables)
 3 Months Ended
Mar. 31, 2020
Discontinued Operations and Disposal Groups [Abstract]  
Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures [Table Text Block]
Discontinued operations are summarized as follows:
 
Three Months Ended March 31
(In millions)
2020
 
2019
Cost of sales
$
—

 
$
(1
)
Restructuring, net
—

 
1

Income from discontinued operations, net of tax
$
—

 
$
—