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Carrying value as of the balance sheet date of long-term unsecured obligations issued by corporations and other borrowers to investors (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

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Amount, after accumulated amortization, of debt discount.

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Gross amount of debt extinguished.

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The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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The liability due as of the balance sheet date for leasebacks accounted for using the deposit method.

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Debt (Details Textual)		12 Months Ended
Debt (Details Textual)	Feb. 07, 2018 USD ($)	Dec. 31, 2017 USD ($) instution	Aug. 31, 2017 USD ($)	Jun. 30, 2017 USD ($)	Feb. 28, 2017 USD ($)	Dec. 31, 2016 USD ($)
Debt Instrument [Line Items]
Unamortized original issue discounts		$ 6,000,000				$ 7,000,000
Maximum borrowing capacity under global revolving credit facility		$ 1,200,000,000
Number of lending institutions \| instution		12
Debt to consolidated net worth ratio		192.00%
Amount available under the credit facility, net of outstanding commercial paper borrowings		$ 577,000,000
Current portion of long-term debt						350,000,000
Sale leaseback transaction, amount due				$ 98,000,000
Total available proceeds under trade receivables purchase and sale program		175,000,000
Trade receivables borrowings		$ 0				0
Annual facility fee		10.00%
Total fair value of debt		$ 4,950,000,000				4,970,000,000
Unsecured Medium Term Notes Due September 2021 [Member]
Debt Instrument [Line Items]
Debt instruments purchase price percentage		101.00%
U.S. commercial paper
Debt Instrument [Line Items]
Commercial paper classified as long term debt		$ 570,218,000				342,480,000
Unsecured U.S. obligations, principally bank term loans
Debt Instrument [Line Items]
Current portion of long-term debt		$ 16,000,000
Commercial paper
Debt Instrument [Line Items]
Commercial paper classified as long term debt						342,000,000
Unsecured Medium Term Notes Due November 2021
Debt Instrument [Line Items]
Face amount of unsecured medium-term notes issued					$ 300,000,000
Unsecured Medium Term Notes Due September 2020
Debt Instrument [Line Items]
Face amount of unsecured medium-term notes issued			$ 300,000,000
Minimum
Debt Instrument [Line Items]
Annual facility fee		0.075%
Maximum
Debt Instrument [Line Items]
Debt to consolidated net worth ratio		300.00%
Annual facility fee		0.25%
Letter of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity under global revolving credit facility		$ 75,000,000
Letter of credit outstanding amount		0
Interest Rate Swap
Debt Instrument [Line Items]
Aggregate notional amount of interest rate swaps		825,000,000
Designated as Hedging Instrument \| Fair Value Hedging \| Interest Rate Swap
Debt Instrument [Line Items]
Aggregate notional amount of interest rate swaps		$ 825,000,000				$ 825,000,000
Subsequent Event [Member] \| Unsecured Medium Term Notes Due March 2018
Debt Instrument [Line Items]
Extinguishment of debt, amount	$ 350,000,000