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Segment Information - Narrative (Details)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2019
USD ($)
Jun. 30, 2018
USD ($)
Jun. 30, 2019
USD ($)
segment
Jun. 30, 2018
USD ($)
Segment Reporting Information [Line Items]        
Number of product segments (in segments)     2  
Number of reportable segments (in segments)     5  
Number of operating segments (in segments)     5  
Sales Revenue, Net        
Segment Reporting Information [Line Items]        
Percentage of consolidated Net sales represented by sales outside US 70.00%   70.00%  
Percentage of consolidated Net sales coming from emerging markets 50.00%   50.00%  
Global Growth and Efficiency Program        
Segment Reporting Information [Line Items]        
Total Global Growth and Efficiency Program charges, pretax | $ $ 42 $ 61 $ 71 $ 89
Global Growth and Efficiency Program | Corporate | Included in Operating profit (loss)        
Segment Reporting Information [Line Items]        
Total Global Growth and Efficiency Program charges, pretax | $ $ 40 $ 58 $ 68 $ 82