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Derivative Financial Instruments - Narrative (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2020	Jun. 10, 2020	Dec. 31, 2019
Derivative [Line Items]
Loss on derivatives to be reclassified within the next twelve months	$ (12)
Maximum [Member]
Derivative [Line Items]
Longest outstanding maturity	1 year 8 months 12 days
Foreign exchange contracts [Member] \| Max Matthiessen [Member]
Derivative [Line Items]
Derivative, notional amount		$ 273
Designated as Hedging Instrument [Member] \| Foreign exchange contracts [Member] \| Max Matthiessen [Member]
Derivative [Line Items]
Derivative, notional amount		$ 181
Not Designated as Hedging Instrument [Member] \| Foreign exchange contracts [Member]
Derivative [Line Items]
Derivative, notional amount	$ 1,100		$ 931
Derivative liability, fair value	2
Derivative assets, fair value			21
Cash Flow Hedging [Member] \| Designated as Hedging Instrument [Member] \| Foreign exchange contracts [Member]
Derivative [Line Items]
Derivative, notional amount	474		499
Derivative liability, fair value	$ 13
Derivative assets, fair value			$ 8