Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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Derivative Instruments, Notional Amount, Common Stock Equivalents

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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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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Derivatives and Hedging Activities - Additional Information (Details) shares in Thousands, € in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2019 USD ($) shares	Mar. 31, 2019 EUR (€) shares	Dec. 31, 2018 USD ($)
Financial Instruments [Line Items]
Long-term debt	$ 5,417		$ 5,340
Net derivative losses to be reclassified within twelve months	4
Foreign Exchange Forward
Financial Instruments [Line Items]
Derivative asset	$ 1		1
Equity swap agreement
Financial Instruments [Line Items]
Notional amount \| shares	250	250
Net asset position fair value	$ 3		4
Commodity contracts
Financial Instruments [Line Items]
Notional amount	$ 26		$ 27
Net Investment Hedging
Financial Instruments [Line Items]
Long-term debt \| €		€ 769