Note 3 - Goodwill and Other Intangible Assets - Changes in the Carrying Amount of Goodwill by Segment (Details) $ in Millions	3 Months Ended
Mar. 31, 2021 USD ($)
Balance	$ 479
Acquisitions	13
Currency impact	(4)
Balance	488
Light Vehicle Segment [Member]
Balance	0
Balance	0
Commercial Vehicle Segment [Member]
Balance	177
Acquisitions	24
Currency impact	3
Balance	204
Off-Highway Segment [Member]
Balance	302
Acquisitions	(11)
Currency impact	(7)
Balance	284
Power Technologies Segment [Member]
Balance	0
Balance	$ 0

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(10)(1))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=120320667&loc=SL49117168-202975

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-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266

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