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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Amount, before tax and reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness.

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Derivatives and Hedging Activities - Carrying and Estimated Fair Value (Details) € in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2019 USD ($)	Mar. 31, 2019 EUR (€)	Dec. 31, 2018 USD ($)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	$ 5,417		$ 5,340
Net Investment Hedging
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt \| €		€ 769
Commodity contracts \| Cash Flow Hedging
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Amount of gain (loss) recognized in accumulated OCI or OCL (effective portion)	4
Foreign Currency \| Net Investment Hedging
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Amount of gain (loss) recognized in accumulated OCI or OCL (effective portion)	(19)
Prepayments and other current assets \| Commodity contracts \| Cash Flow Hedging \| Carrying Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative asset (liabilities)	2		0
Accrued expenses and other current liabilities \| Commodity contracts \| Cash Flow Hedging \| Carrying Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative asset (liabilities)	0		2
Long-term debt \| Foreign Currency \| Net Investment Hedging \| Carrying Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	$ 862		$ 863