Derivative Instruments and Hedging Activities (Narrative) (Details) $ in Millions	Mar. 31, 2020 USD ($)
Derivative [Line Items]
Current and long-term debt	$ 3,592
Fixed rate debt	1,103
Unhedged debt	1,624
Interest Rate Contracts
Derivative [Line Items]
Debt economically hedged with interest rate contracts	$ 865

Amount of total debt outstanding at the balance sheet date that is not hedged with a derivative instrument.

No definition available.

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- Definition

Represents the aggregate of total long-term debt, including current maturities and short-term debt.

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No definition available.

+ Details

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- Definition

Amount of hedged item in hedging relationship. Excludes hedged asset or liability.

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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.

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No definition available.

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- Definition

The portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

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No definition available.

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- Details

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