Contractual interest rate for funds borrowed, under the debt agreement.

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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Description of the maturity date of the debt instrument including whether the debt matures serially and, if so, a brief description of the serial maturities.

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The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
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-Topic 230
-SubTopic 10
-Section 45
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Average Years of Maturity of Long Term Debt

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Borrowings and Lines of Credit Borrowings and lines of Credit (Current Year Actions) (Details) € in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018 USD ($)	Jun. 30, 2018 EUR (€)	Jun. 30, 2017
Debt Instrument [Line Items]
Average Years of Maturity of Long Term Debt			11 years	11 years
Average interest expense rate	3.50%	3.60%	3.50%	3.50%	3.60%
Notes 1.150% Due 2024 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	1.15%		1.15%	1.15%
Debt Instrument, Maturity Date, Description			2024	2024
Proceeds from Issuance of Debt				€ 750
Notes 2.150% Due 2030 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	2.15%		2.15%	2.15%
Debt Instrument, Maturity Date, Description			2030	2030
Proceeds from Issuance of Debt				€ 500
EURIBOR plus 0.20% floating rate notes due 2020 [Member]
Debt Instrument [Line Items]
Debt Instrument, Maturity Date, Description			2020	2020
Proceeds from Issuance of Debt				€ 750
Junior subordinated notes 1.778% due 2018 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	1.778%		1.778%	1.778%
Debt Instrument, Maturity Date, Description			2018	2018
Repayments of Debt \| $			$ 1,100
Notes 6.800% Due 2018 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.80%		6.80%	6.80%
Debt Instrument, Maturity Date, Description			2018	2018
Repayments of Debt \| $			$ 99
EURIBOR plus 0.800% floating rate notes due 2018 [Member]
Debt Instrument [Line Items]
Debt Instrument, Maturity Date, Description			2018	2018
Repayments of Debt				€ 750