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Revenue Recognition (Details) - USD ($)	3 Months Ended
	Mar. 31, 2018	Apr. 01, 2017
Disaggregation of Revenue [Line Items]
Significant contract liabilities recorded	$ 0
Significant contract liabilities recognized in revenue	0
Revenue from contract with customer	5,733,700,000	$ 4,998,500,000
North America
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	2,055,100,000	1,989,200,000
Europe and Africa
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	2,443,200,000	1,915,400,000
Asia
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	1,044,100,000	923,300,000
South America
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	191,300,000	170,600,000
Seating
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	4,329,900,000	3,868,000,000
Seating | North America
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	1,740,100,000	1,707,800,000
Seating | Europe and Africa
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	1,752,200,000	1,339,000,000
Seating | Asia
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	686,100,000	691,100,000
Seating | South America
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	151,500,000	130,100,000
E-Systems
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	1,403,800,000	1,130,500,000
E-Systems | North America
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	315,000,000	281,400,000
E-Systems | Europe and Africa
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	691,000,000	576,400,000
E-Systems | Asia
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	358,000,000	232,200,000
E-Systems | South America
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	$ 39,800,000	$ 40,500,000

X

- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=82913815&loc=SL49130532-203044

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 606
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-Section 50
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-URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130549-203045

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-URI http://asc.fasb.org/extlink&oid=82913815&loc=SL49130531-203044

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
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-URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130549-203045

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 270
-SubTopic 10
-Section 50
-Paragraph 1A
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No definition available.

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
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-URI http://asc.fasb.org/extlink&oid=82859839&loc=SL82860478-203043

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