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Derivative and Other Financial Instruments (Carrying Amount of Hedged Assets and Liabilities) (Details) - Derivatives designated as hedges - Derivatives in fair value hedges - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Cash and cash equivalents
Derivative [Line Items]
Carrying amount of hedged asset, fair value	$ 1	$ 1
Receivables, Net
Derivative [Line Items]
Carrying amount of hedged asset, fair value	15	15
Accrued liabilities
Derivative [Line Items]
Derivative Instruments in Hedges, Liabilities, at Fair Value	$ (13)	$ (12)

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- Definition

Aggregate fair value of all derivative assets designated as hedging instruments. Includes instruments designated as cash flow hedges, fair value hedges, and hedges of net investments in foreign operations.

+ References

No definition available.

+ Details

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X

- Definition

Aggregate fair value of all derivative liabilities designated as hedging instruments. Includes instruments designated as cash flow hedges, fair value hedges, and hedges of net investments in foreign operations.

+ References

No definition available.

+ Details

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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

No definition available.

+ Details

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- Details

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- Details

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- Details

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- Details

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