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Financial Instruments - Narrative (Details) - USD ($) | 6 Months Ended |
--- | --- | ---
Jun. 29, 2019 | Dec. 31, 2018
Fair Value Disclosures [Abstract] |  |
Investments in equity securities without readily determinable fair values | $ 20,200,000 | $ 12,700,000
Derivative [Line Items] |  |
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 | 122,200,000 |
Foreign currency contracts |  |
Derivative [Line Items] |  |
Notional amount | 2,715,400,000 | 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 | 9,600,000 | (1,700,000)
Cash flow hedge | Interest rate swap contracts | Designated as hedging instrument |  |
Derivative [Line Items] |  |
Other current liabilities |  | 14,700,000
Notional amount |  | 500,000,000.0
Cash flow hedge | Foreign currency contracts | Designated as hedging instrument |  |
Derivative [Line Items] |  |
Other current liabilities | 3,800,000 | 8,400,000
Notional amount | $ 1,281,100,000 | $ 1,499,000,000.0

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- 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). + References No definition available. + Details
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- Definition Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + Details
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- Definition Amount of investment in equity security without readily determinable fair value. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 321 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=116654751&loc=SL75117539-209714 + Details
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