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Financial Instruments - Schedule of Pre-tax Charge the Fair Value of Derivative Assets and Liabilities (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Derivatives, Fair Value [Line Items]
Gain (Loss) Recognized In Accumulated Other Comprehensive Loss	$ 20	$ 32	$ (86)
Foreign currency forward contracts [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedge [Member]
Derivatives, Fair Value [Line Items]
Gain (Loss) Recognized In Accumulated Other Comprehensive Loss	6	10
Foreign currency forward contracts [Member] | Cost of Goods Sold [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedge [Member]
Derivatives, Fair Value [Line Items]
Gain (Loss) Recognized In Derivative Instruments	10	4
Foreign currency forward contracts [Member] | Other Income (Expense), Net [Member] | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Gain (Loss) Recognized In Derivative Instruments	(2)	3	4
Euro-denominated debt [Member] | Designated as Hedging Instrument [Member] | Net Investment Hedge [Member]
Derivatives, Fair Value [Line Items]
Gain (Loss) Recognized In Accumulated Other Comprehensive Loss	$ 20	$ 32	$ (86)

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Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects.

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Amount before tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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