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Goodwill - Goodwill by Segment (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Goodwill [Line Items]
Goodwill, Beginning balance	$ 1,979	$ 2,099
Acquisitions	12	125
Assets held for sale		(157)
Foreign exchange and other	(15)	(88)
Goodwill, Ending balance	1,976	1,979
Body Exteriors & Structures [Member]
Goodwill [Line Items]
Goodwill, Beginning balance	459	463
Acquisitions		16
Foreign exchange and other	(1)	(20)
Goodwill, Ending balance	458	459
Power & Vision [Member]
Goodwill [Line Items]
Goodwill, Beginning balance	1,260	1,365
Acquisitions	(9)	109
Assets held for sale		(157)
Foreign exchange and other	(13)	(57)
Goodwill, Ending balance	1,238	1,260
Seating Systems [Member]
Goodwill [Line Items]
Goodwill, Beginning balance	147	153
Acquisitions	21
Foreign exchange and other	1	(6)
Goodwill, Ending balance	169	147
Complete Vehicles [Member]
Goodwill [Line Items]
Goodwill, Beginning balance	113	118
Foreign exchange and other	(2)	(5)
Goodwill, Ending balance	$ 111	$ 113

X

- Definition

Goodwill allocated to assets held for sale.

+ References

No definition available.

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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
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-SubTopic 20
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- Definition

Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
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- Definition

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.

+ References

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- Definition

Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 16
-URI http://asc.fasb.org/extlink&oid=116868678&loc=d3e961-128460

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