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Financial Instruments - Narrative (Details) - USD ($)	9 Months Ended
	Sep. 28, 2019	Dec. 31, 2018
Derivative [Line Items]
Investments in equity securities without readily determinable fair values	$ 20,200,000	$ 12,700,000
Derivative contracts classified within Level 3 of fair value hierarchy	0	0
Derivative contracts transfers in to Level 3 fair value hierarchy	0
Xevo | Level 3 | Estimated aggregate fair value
Derivative [Line Items]
Fair value estimates related to intangible assets	93,200,000
Foreign currency contracts
Derivative [Line Items]
Notional amount	2,680,700,000	2,153,000,000.0
Foreign currency contracts | Derivative instruments and hedging | Designated as hedging instrument
Derivative [Line Items]
Pretax gains (losses) related to derivative instruments and hedging activities in accumulated other comprehensive loss	(4,400,000)	(1,700,000)
Net investment hedges | Designated as hedging instrument
Derivative [Line Items]
Notional amount	300,000,000.0	0
Net investment hedges | Interest rate swap contracts | Designated as hedging instrument
Derivative [Line Items]
Notional amount	300,000,000.0
Cash flow hedge | Interest rate swap contracts | Designated as hedging instrument
Derivative [Line Items]
Notional amount		500,000,000.0
Other current liabilities		14,700,000
Cash flow hedge | Foreign currency contracts | Designated as hedging instrument
Derivative [Line Items]
Notional amount	1,216,500,000	1,499,000,000.0
Other current liabilities	$ 5,600,000	$ 8,400,000

X

- Definition

Amount before tax of increase (decrease) in accumulated equity from transactions and other events and circumstances from non-owner sources, including portion attributable to noncontrolling interest. Excludes net income (loss), and accumulated changes in equity from transactions resulting from investments by owners (distributions to owners).

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-Publisher FASB
-Name Accounting Standards Codification
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Amount of investment in equity security without readily determinable fair value.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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