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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
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The number of interest rate swap contracts entered into during the period after a debt issuance.

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No definition available.

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The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

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No definition available.

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Face (par) amount of debt instrument at time of issuance.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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- Definition

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
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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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The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

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Derivatives - Fair Value Hedges (Details) € in Millions, $ in Millions	1 Months Ended		12 Months Ended
	Sep. 30, 2018 USD ($)	Aug. 31, 2015 USD ($) DerivativeInstrument	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Jun. 30, 2014 USD ($)	Nov. 30, 2013 EUR (€)
Eurobond Due 2021
Derivatives in Fair Value Hedging Relationships
Principal amount \| €							€ 600
Fixed rate medium term note due 2019
Derivatives in Fair Value Hedging Relationships
Principal amount			$ 25.0			$ 625.0
August 2015 medium term notes issued
Derivatives in Fair Value Hedging Relationships
Principal amount		$ 1,500.0
June 2014 medium term notes issued
Derivatives in Fair Value Hedging Relationships
Principal amount						950.0
Fixed rate medium term note due 2021
Derivatives in Fair Value Hedging Relationships
Principal amount	$ 400.0
Variable rate			three-month LIBOR
Debt Instrument Term	3 years
Interest rate swap contracts \| Fixed rate medium term note due 2021
Derivatives in Fair Value Hedging Relationships
Derivative notional amount	$ 200.0
Variable rate			three-month LIBOR
Fair value hedges
Derivatives in Fair Value Hedging Relationships
Gain (Loss) on Derivative Recognized in Income			$ (5.0)	$ (9.0)	$ (2.0)
Gain (Loss) on Hedged Item Recognized in Income			$ 5.0	9.0	2.0
Fair value hedges \| Interest rate swap contracts
Derivatives in Fair Value Hedging Relationships
Number of interest rate swap contracts entered in period \| DerivativeInstrument		2
Fair value hedges \| Interest rate swap contracts \| Eurobond Due 2021
Derivatives in Fair Value Hedging Relationships
Derivative notional amount \| €							€ 300
Fair value hedges \| Interest rate swap contracts \| Fixed rate medium term note due 2019
Derivatives in Fair Value Hedging Relationships
Derivative notional amount						$ 600.0
Variable rate			three-month LIBOR
Fair value hedges \| Interest rate swap contracts \| Fixed rate medium term note due 2018
Derivatives in Fair Value Hedging Relationships
Derivative notional amount		$ 450.0
Debt Instrument Term		3 years
Fair value hedges \| Interest rate swap contracts \| Fixed rate medium term note due 2020
Derivatives in Fair Value Hedging Relationships
Derivative notional amount		$ 300.0		200.0
Variable rate			three-month LIBOR
Debt Instrument Term		5 years
Fair value hedges \| Interest rate swap contracts \| Fixed rate medium term note due 2021
Derivatives in Fair Value Hedging Relationships
Derivative notional amount	$ 200.0
Fair value hedges \| Interest rate swap contracts \| Interest expense.
Derivatives in Fair Value Hedging Relationships
Gain (Loss) on Derivative Recognized in Income			$ (5.0)	(9.0)	(2.0)
Gain (Loss) on Hedged Item Recognized in Income			$ 5.0	$ 9.0	$ 2.0