Fair Value Measurements and Derivative Instruments (Narrative) (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Derivative [Line Items]
Percentage of securities in loss position	30.00%
Time deposits	$ 267	$ 383
Foreign exchange contracts
Derivative [Line Items]
Derivative notional amount	$ 8	$ 7

Debt Securities, Available-for-sale, Unrealized Loss Position, Percentage

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

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Amount of time deposit liabilities, including certificates of deposit.

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