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Financial Instruments - Narrative (Details)
12 Months Ended
Dec. 31, 2019
USD ($)
contract
Dec. 31, 2018
USD ($)
contract
Dec. 31, 2017
USD ($)
Designated as Hedging Instrument [Member] | Net Investment Hedge [Member]      
Derivative [Line Items]      
Recognized gain (loss) on derivative net investment hedge, pre-tax $ 20,000,000 $ 32,000,000 $ (86,000,000)
Reclassification on derivative net investment hedge, pre-tax $ 0 $ 0 0
Foreign currency forward contracts [Member]      
Derivative [Line Items]      
Number of forward exchange currency contracts | contract 16 20  
Derivative notional value $ 530,000,000 $ 503,000,000  
Foreign currency forward contracts [Member] | Not Designated as Hedging Instrument [Member] | Other Income (Expense), Net [Member]      
Derivative [Line Items]      
Derivative gains (losses) (2,000,000) 3,000,000 4,000,000
Gain reclassification to cost of goods sold on derivative cash flow hedge $ (2,000,000) $ 3,000,000 $ 4,000,000
Foreign currency forward contracts [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedge [Member]      
Derivative [Line Items]      
Number of forward exchange currency contracts | contract 150 75  
Derivative notional value $ 124,000,000 $ 143,000,000  
Recognized gains (loss) on derivative cash flow hedge, pre-tax 6,000,000 10,000,000  
Derivative cash flow hedge gain from accumulated other comprehensive loss to cost of goods sold to be reclassified with in twelve months 3,000,000    
Foreign currency forward contracts [Member] | Designated as Hedging Instrument [Member] | Cost of Goods Sold [Member] | Cash Flow Hedge [Member]      
Derivative [Line Items]      
Gain reclassification to cost of goods sold on derivative cash flow hedge $ 10,000,000 $ 4,000,000