The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

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Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

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Nominal or face amount used to calculate payment on derivative.

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Period remaining until the derivative contract matures, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The net amount of operating interest income (expense).

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Derivative Instruments - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Derivative [Line Items]
Net interest income (expense)	$ (35)	$ (32)	$ (109)	$ (105)
Designated as Hedging Instrument \| Foreign exchange forward contracts
Derivative [Line Items]
Net gains (losses) related to cash flow hedges expected to be reclassified into earnings in the next twelve months			10
Fair Value Hedging \| Not Designated as Hedging Instrument \| Foreign exchange forward contracts
Derivative [Line Items]
Aggregate notional value	333		333		$ 116
Net gain (loss) on derivative	5	$ 4	1	$ 1
Net Investment Hedging \| Cross currency swaps
Derivative [Line Items]
Net interest income (expense)	3		7
Net Investment Hedging \| Designated as Hedging Instrument \| Cross currency swaps
Derivative [Line Items]
Aggregate notional value	1,000		1,000		400
Cash Flow Hedging \| Designated as Hedging Instrument \| Foreign exchange forward contracts
Derivative [Line Items]
Aggregate notional value	501		$ 501		$ 249
Maturity of derivatives			24 months
Other current liabilities \| Fair Value Hedging \| Not Designated as Hedging Instrument \| Foreign exchange forward contracts
Derivative [Line Items]
Aggregate notional value	$ 3		$ 3